NCT05278065
E-cigarettes for Harm Reduction in Adults With Asthma No drug interventions treatment Not Available completed NCT06051474
Treating Caregivers Who Smoke At AFCH treatment 4 recruiting NCT06264154
The Role of Flavor in the Substitutability of E-cigarettes for Combustible Cigarettes Among Persistent Smokers No drug interventions other Not Available recruiting NCT01602536
Twitter-enabled Mobile Messaging for Smoking Relapse Prevention No drug interventions prevention Not Available completed NCT05572671
Linking Brain Network Dynamics to Imminent Smoking Lapse Risk and Behavior No drug interventions basic_science Not Available recruiting NCT03978442
CPT-SMART for Treatment of PTSD and Cigarette Smoking treatment 4 recruiting NCT04372914
Prevention of Oral DNA Damage by Black Raspberries No drug interventions prevention Not Available recruiting NCT04906148
Young Adults' Reactions to Low Nicotine Cigarette Advertising No drug interventions other Not Available completed NCT05081882
Reducing Tobacco-associated Lung Cancer Risk: A Randomized Clinical Trial of AB-free Kava prevention 2 recruiting NCT05317195
Nicotine Pharmacokinetics and Subjective Effects of Nicotine Pouch 1.0 Compared to Velo® Ice Cool and Zyn® Cool Mint Mini Dry in Healthy Smokers No drug interventions basic_science Not Available completed NCT05490251
Translational Research Center in Lung Cancer Disparities (TRACER) Project 2 No drug interventions Not Available Not Available recruiting NCT05569005
Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms. No drug interventions other Not Available terminated NCT05599451
Reduced Exposure to HPHC in Smokers Switching From Cigarettes to Different Versions of THS No drug interventions other Not Available completed NCT05814055
The Potential of Kava in Enabling Tobacco Cessation - Its Holistic Effects in Managing Stress and Insomnia Associated With Abstinence prevention 2 recruiting NCT06077240
Effects of E-cigs vs Pouches on Cigarette Smoking and Addiction No drug interventions other Not Available recruiting NCT06088498
App for Reducing Cravings to Smoke No drug interventions prevention Not Available recruiting NCT06303115
CSD231005 Nicotine Pouch Biomarkers of Exposure No drug interventions other Not Available recruiting NCT06331819
Clinical Association Between Obstructive Sleep Apnea, Facial Pigmentation, and Vasovagal Symptoms. No drug interventions Not Available Not Available recruiting NCT06582693
Refer2Quit: Evaluating a Proactive, Tailored, Population Health Approach for Tobacco Treatment for Household Smokers Through a Pediatric Care Network No drug interventions prevention Not Available recruiting NCT06592872
Using Digital Health Technology to Prevent Bullying and Cyberbullying Among Elementary School Students No drug interventions prevention Not Available not_yet_recruiting NCT05488743
Smoking Prevention Program in Poland No drug interventions Not Available Not Available unknown_status NCT00187603
Protecting the 'Hood Against Tobacco No drug interventions treatment Not Available completed NCT05910203
The Effect of Education Based on Health Belief Model on Smoking Behaviors of Visually Impaired Individuals No drug interventions other Not Available recruiting NCT05290103
Promoting Early Adolescent Non-smoking With a Game Intervention Supporting Self-efficacy No drug interventions prevention Not Available completed NCT00435903
Pilot Study of the Feasibility of Palm Pilots in Monitoring Smoking Behavior in Individuals With Chronic Mental Illness No drug interventions Not Available 0 unknown_status NCT04372290
CSD190401: A Study to Assess Elements of Abuse Liability for Nicotine-containing Pouch Tobacco Products No drug interventions other Not Available completed NCT02628964
Electronic Cigarettes (E-cigarettes) as a Harm Reduction Strategy No drug interventions supportive_care Not Available completed NCT00992264
'Questions About Quitting' Smoking Cessation Trial No drug interventions treatment Not Available completed NCT04430764
The Effect of Smoking and Non-surgical Periodontal Treatment on Gingival Crevicular Fluid Cyclophilin A and EMMPRIN Levels No drug interventions treatment Not Available completed NCT02539264
Impact of Smoking, Benzodiazepine (BZD) Use and Obesity on Severe Obstructive Sleep Apnea (sOSA) No drug interventions Not Available Not Available completed NCT00974064
The Natural History of Gene Expression in the Lung Cells of Non-Smokers, Smokers and Ex-Smokers in Health and Disease No drug interventions Not Available Not Available completed NCT03265821
Influence of Smoking on Periodontal Healing One Year After Active Treatment No drug interventions Not Available Not Available completed NCT05231421
A Focus Group Study to Explore Smoking Triggers and Acceptability of Just-in-time Adaptive Intervent No drug interventions Not Available Not Available active_not_recruiting NCT06470321
Biopsychosocial Predictors of Nicotine Relapse No drug interventions diagnostic Not Available recruiting NCT03996902
Increasing Cessation Motivation and Treatment Engagement Among Smokers in Pain No drug interventions basic_science Not Available completed NCT04592302
The Impact of Smoking on Outcomes and Complications in Total Joint Arthroplasty: A Prospective Crossover Study No drug interventions Not Available Not Available unknown_status NCT01632384
The Effects of Smoking Withdrawal On Resting State Functional Connectivity No drug interventions other Not Available withdrawn NCT00136279
Linking Lives: Building Quality Parent Components for School-Based Health Programs in Middle Schools No drug interventions Not Available Not Available completed NCT06484179
Enhancing Motivation to Quit Smoking Via Self-Help Intervention Targeted to Cancer Type No drug interventions prevention Not Available not_yet_recruiting NCT01990079
Use of Technological Advances to Prevent Smoking Relapse Among Smokers With PTSD treatment Not Available completed NCT04738643
Improving Tobacco Treatment Rates for Cancer Patients Who Smoke No drug interventions prevention Not Available completed NCT01673243
Parent Willingness to Participate in Tobacco Trials in the Pediatric Clinical Setting No drug interventions Not Available Not Available completed NCT02797587
Studying Partial-agonists for Ethanol and Tobacco Elimination in Russians With HIV (St PETER HIV) treatment 2 / 3 completed NCT05557487
Taiwan Real-world LDCT Screening Behavior and Outcome Research for High Risk Subjects Based on Health Promotion Administration No drug interventions Not Available Not Available recruiting NCT00018187
Combinations of Pharmacologic Smoking Cessation Treatments treatment 1 completed NCT01260233
Effect of a Perioperative Smoking Cessation Program on Smoking Cessation/Reduction and Perioperative Complications No drug interventions treatment Not Available completed NCT02141633
Airway and Pulmonary Vascular Endothelial Function in Healthy Smokers: Effect of Inhaled Glucocorticosteroid Treatment Not Available Not Available completed NCT04025333
Helping Ethnic Minority in Hong Kong to Quit Smoking by Understanding Their Knowledge, Attitude and Behavior Related to Smoking No drug interventions Not Available Not Available completed NCT01375933
A Comparability Study of the Phase 3 Lot and a Single Commercial Lot of NicVAX in Healthy Adult Smokers No drug interventions treatment 3 completed NCT02210754
Characterization of Nicotine Exposure and Urge-to-Smoke Following Use of Electronic and Conventional Cigarettes No drug interventions Not Available Not Available completed NCT05081154
CSD201002: Study to Assess Nicotine Uptake From P10 Nicotine Pouches No drug interventions other Not Available completed NCT05363254
CSD200902: Assessment of Indoor Air Quality for a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in an Environmental Testing Chamber No drug interventions other Not Available completed NCT02503254
Reduced Exposure Study Using CHTP 1.0 During 5 Days in Confinement. No drug interventions other Not Available completed NCT00749151
Effectiveness of the American Lung Association Reactive Anti-Smoking Telephone Help Line in Illinois No drug interventions Not Available Not Available completed NCT00004551
Behavioral Counseling for Alcohol Dependent Smokers (Nicotine Patch) treatment 4 completed NCT01705951
Effect of Resistance Training on Tobacco-Related Cardiovascular Disease Risk treatment Not Available unknown_status NCT02103751
Determination of Biomarkers of Exposure and Biomarkers of Potential Harm in Asian Adult Cigarette Smokers No drug interventions Not Available Not Available completed NCT01729351
Qvar Therapy in Smoking Asthmatics No drug interventions Not Available Not Available completed NCT01796951
Low Dose Aspirin Inhibition of COX-2 Derived PGE2 in Male Smokers prevention 0 completed NCT02478853
Impact of a Regional Program Agir Sur Sa SantE No drug interventions Not Available Not Available active_not_recruiting NCT03579953
Nicotine TMS EFT Smoking Pilot Study No drug interventions treatment 0 completed NCT05262153
Effect of Smoking on Periodontal Therapy in Periodontitis No drug interventions treatment Not Available completed NCT01442753
Family-Skills Training to Prevent Tobacco and Other Substance Use in Latino Youth No drug interventions prevention Not Available completed NCT03332953
Sensory Perception of Sweet Flavors in E-Cigarette No drug interventions basic_science Not Available completed NCT04209777
Clinical Evaluation of Smoker Periodontal Subjects After Lactobacillus-reuteri Probiotics and Antibiotics Therapy treatment 3 completed NCT01501877
Smoking Cessation Intervention for Diabetic Patients No drug interventions treatment Not Available completed NCT00589277
Message Framing for Telephone Quitline Callers No drug interventions treatment 1 / 2 completed NCT01162577
Oklahoma Weight Concerns Quitline: a Randomized Cessation Trial No drug interventions treatment Not Available completed NCT01250977
Effect of Donepezil on Smoking supportive_care 2 completed NCT00621777
A Study of Varenicline for Prevention of Relapse to Smoking in Patients With Schizophrenia or Bipolar Disorder treatment 4 completed NCT03496077
Addictive Potential of LCCs in Dual Users No drug interventions other Not Available completed NCT00253747
Smoking Cessation for Adults With Attention Deficit Hyperactivity Disorder (ADHD) treatment 3 completed NCT03063047
CSD1603: A Crossover Study to Evaluate the Exposure to "Tar" and Nicotine From 100s Menthol Cigarette Products No drug interventions other Not Available completed NCT00000447
Behavioral/Drug Therapy for Alcohol-Nicotine Dependence (Naltrexone/Nicotine Patch) treatment 4 completed NCT02019745
Effects of Tobacco Products on Live Attenuated Influenza Virus (LAIV) Infections in Human Volunteers Not Available Not Available completed NCT02185898
Evaluation of Environmental Emissions From Electronic Cigarettes and Tobacco-Burning Cigarettes No drug interventions basic_science Not Available completed NCT01776398
Collection of Airway, Blood and/or Urine Specimens From Subjects for Research Studies No drug interventions Not Available Not Available recruiting NCT00915798
Association Between Smoking, Brain Activity, Genes, and ADHD No drug interventions Not Available Not Available completed NCT06523205
Relationships Between Tenascin C, Smoking and Periodontal Status No drug interventions Not Available Not Available not_yet_recruiting NCT03015597
Pilot Study of Contingency Management for Smoking Cessation No drug interventions treatment Not Available completed NCT01260597
Tobacco Quit Line Re-enrollments for the Underserved No drug interventions treatment Not Available completed NCT05460897
Health Behaviour Change in Brazilians No drug interventions prevention Not Available unknown_status NCT02508597
Brief Tobacco Cessation Counselling: Mini Train-the-trainers Program No drug interventions health_services_research Not Available unknown_status NCT05094583
The SmokeFree App Smoking Cessation Study No drug interventions Not Available Not Available suspended NCT02069483
Testing Methods of Self-persuasion Involving Cigarette Smoking No drug interventions Not Available Not Available completed NCT02144883
Telephone Counseling for Pregnant Smokers No drug interventions treatment 3 completed NCT00018161
Treatment to Quit Smoking treatment 2 completed NCT00525928
Mood and Anti-craving Effects of Varenicline in Psychiatric Inpatients treatment Not Available withdrawn NCT02916628
Effects of Auricular Acupressure and Group Counseling on Smoking Cessation Tobacco Withdrawal Symptoms No drug interventions treatment Not Available terminated NCT02115711
Study of a Community Based Approach to Control Cardiovascular Risk Factors in India No drug interventions health_services_research Not Available completed NCT03999411
Smartphone Intervention for Smoking Cessation and Improving Adherence to Treatment Among HIV Patients treatment 4 completed NCT01824511
Effects of Quitting Study A Test of Pre-clinical Findings No drug interventions basic_science Not Available completed NCT00013793
Ultrasound and Motivational Enhancement for Prenatal Smoking Cessation No drug interventions treatment Not Available completed NCT01065493
QuitAdvisorMD: A Point-of-care Tool for Brief Smoking Cessation Interventions No drug interventions prevention 2 unknown_status NCT02643693
User Acceptability of a Nicotine Lactate Delivery System (P3L) No drug interventions other Not Available completed NCT00356993
Phase I Study: Stop Smoking Therapy for Ontario Patients (STOP) treatment Not Available completed NCT02252471
Choices-Teen: A Bundled Risk Reduction Intervention for Juvenile Justice Females No drug interventions prevention Not Available completed NCT04505371
Improving the Reach & Effectiveness of Smoking Cessation Services Targeted to Veterans Living With HIV No drug interventions treatment Not Available recruiting NCT04159571
QuitFast: Evaluating Transcranial Magnetic Stimulation as a Tool to Reduce Smoking Directly Following a Quit Attempt No drug interventions treatment Not Available completed NCT04271371
Preventing Relapse to Smoking Among Prisoners After Release No drug interventions Not Available Not Available completed NCT01359371
Evaluation of Peer Telephone Cessation Counseling for Smokers No drug interventions Not Available Not Available completed NCT00819078
Comparative Study of SR Bupropion for Adolescent Smoking Cessation treatment Not Available unknown_status NCT01812278
Randomized Trial of Web-Delivered Acceptance Therapy for Smoking Cessation (WebQuit) No drug interventions treatment Not Available completed NCT04191278
Mobile Health Interventions for Medication Adherence Among PLWH treatment 4 withdrawn NCT01780688
Exploratory THS 2.1 Nicotine Pharmacokinetics and Safety Study No drug interventions other Not Available completed NCT03722888
Development of a Videogame Prototype Targeting Cigarette and Marijuana Smoking, and Tobacco Product Prevention Among Young Adolescents (smokeScreen) No drug interventions prevention Not Available completed NCT01979107
Early Detection of and Intervention Towards Chronic Diseases Among Individuals Without Formal Education No drug interventions prevention Not Available completed NCT02043509
MiQuit Trial: Tailored Text Messages for Pregnant Women No drug interventions health_services_research Not Available completed NCT04808609
Smoking Cessation Pilot for People Living With HIV (PLWH) No drug interventions supportive_care Not Available completed NCT03238456
Smoking Cessation for Young Adult Pacific Islanders: Motivating Pacifika Against Cigarettes and Tobacco No drug interventions prevention Not Available completed NCT01989156
Reduced Exposure Study Using THS 2.2 Menthol With 5 Days in a Confinement Setting Followed by 86 Days in an Ambulatory Setting No drug interventions other Not Available completed NCT00633256
The Effect of Cycloserine on Smoking Behavior in Nicotine Dependent Smokers treatment Not Available completed NCT03294356
CSD170304: Study to Assess Nicotine Uptake in Smokers From Electronic and Combustible Cigarettes No drug interventions other Not Available completed NCT00672256
Neuroimaging Decision Making and Response Inhibition During Smoking Abstinence No drug interventions basic_science Not Available completed NCT02649556
A 26-week Extension of the ZRHR-ERS-09-US Study Evaluating Biological and Functional Changes in Healthy Smokers After Switching to THS 2.2 No drug interventions other Not Available completed NCT01131156
Prevention of Postpartum Smoking Relapse in Mothers of Infants in the Neonatal Intensive Care Unit (NICU) No drug interventions prevention Not Available completed NCT01346956
Acute Cardiovascular Effects of Cigarette Smoking No drug interventions Not Available Not Available completed NCT00273156
A Brief Dental Office Intervention With Tobacco Quitline No drug interventions treatment 3 completed NCT01199185
Treating Adults at Risk for Weight Gain With Interactive Technology No drug interventions prevention 3 unknown_status NCT00224185
Evaluation of Lungs of Normal Individuals by Lung Lavage, Brushing and Bronchial Wall Biopsy No drug interventions Not Available Not Available completed NCT02764385
Using a Teachable Moment Communication Process to Improve Outcomes of Quitline Referrals No drug interventions prevention Not Available completed NCT00985985
Efficacy and Safety Study of Nicotine Mint Lozenge (2mg and 4mg) in Smoking Cessation treatment 3 completed NCT01165515
Endostatin Serum Levels During Bicycle Stress Test No drug interventions Not Available Not Available completed NCT00159315
ATP/AMP Challenge in Healthy Non-smokers, Smokers, Patients With Asthma, and Patients With Chronic Obstructive Pulmonary Disease (COPD) No drug interventions Not Available Not Available completed NCT02198937
Investigation on the Effect of Smoking on the Expression of Pro- and Anti-thrombotic, Anti-oxidative, and Inflammatory Markers in Humans No drug interventions Not Available Not Available terminated NCT02971137
Pain and Smoking Study No drug interventions treatment Not Available completed NCT00000437
Tobacco Dependence in Alcoholism Treatment (Nicotine Patch/Naltrexone) treatment 4 completed NCT00144937
Multifactorial Intervention on Cardiovascular Risk Factors in Subjects With Peripheral Arterial Disease No drug interventions educational_counseling_training 4 unknown_status NCT04238832
Salt-Based E-cigarette No drug interventions prevention Not Available completed NCT03284632
e-Cigarette - DNA Adducts No drug interventions Not Available Not Available completed NCT01967732
Nicotine Pharmacokinetic Profile and Safety of the Tobacco Heating System 2.2 (THS 2.2) No drug interventions other Not Available completed NCT03142932
COach2Quit TRIAL: Assessing a Prototype Personal Carbon Monoxide Monitor for Smoking Cessation No drug interventions treatment Not Available completed NCT01267032
Helping Veterans Quit Smoking by Improving Their Sleep No drug interventions treatment 2 terminated NCT03170752
Implementing and Testing a Cardiovascular Assessment Screening Program (CASP) No drug interventions screening Not Available completed NCT04819152
Effectiveness of Tobacco Cessation Interventions in Sweden No drug interventions Not Available Not Available unknown_status NCT01885052
Evaluation of National Cancer Institute Young Adult Stop-Smoking Program No drug interventions treatment 2 completed NCT02143752
Meriter Mindfulness Training for Smokers Program and Study No drug interventions Not Available Not Available completed NCT04226352
Three Dosing Regimens of Dextromethorphan (DXM) Reportedly Used in Major Depressive Disorder other 1 completed NCT05313100
Sugammadex and Smoker's Neuromuscular Block prevention 4 completed NCT00813800
Varenicline in Bipolar Depressed Patients treatment Not Available completed NCT00001500
Genetic Factors and Interrelationships for Cancer Risk-Related Behaviors and Complex Traits No drug interventions Not Available Not Available completed NCT03968900
Racial Differences in Circadian and Sleep Mechanisms for Nicotine Dependence, Craving, and Withdrawal No drug interventions treatment Not Available recruiting NCT02460900
Optimizing Smoking Cessation for People With HIV/AIDS Who Smoke treatment 3 completed NCT05339659
Randomized Pilot Study of a mHealth App for Ambivalent Smokers Living With HIV No drug interventions device_feasibility Not Available completed NCT01898559
Nicotine Metabolism and Little Cigars No drug interventions other Not Available completed NCT04100759
A Comparative Pharmacokinetic and Pharmacodynamic Study of Sildenafil in Adult Smokers and Non Smokers treatment 1 / 2 completed NCT02021175
Korean Youth Smoking Cessation Study No drug interventions treatment Not Available withdrawn NCT04452175
Cigarette Consumption After switchinG to High or Low Nicotine strENght E-cigaretteS In Smokers With Schizophrenia No drug interventions treatment Not Available recruiting NCT01563575
WHO-HPH Recognition Project on Fast-Track Implementation of Clinical Health Promotion No drug interventions prevention Not Available completed NCT04870970
The Effect of Tobacco Products on Wound Healing No drug interventions Not Available Not Available active_not_recruiting NCT00108342
Nicotine Delivery Systems: Research & Treatment Not Available Not Available terminated NCT01487642
Comparison of Four Different Smoking Cessation Programmes No drug interventions prevention Not Available unknown_status NCT02999399
Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism No drug interventions basic_science 1 completed NCT01837199
MTZ Plus AMX in the Treatment of Smokers and Non-smokers treatment 4 completed NCT01454999
Cell Phone-Based Expert Systems for Smoking Cessation No drug interventions treatment 1 completed NCT00067899
Oxidative Stress and Vitamin E Requirements No drug interventions treatment 2 completed NCT02968199
Building a Community-based Network to Promote Smoking Cessation No drug interventions health_services_research Not Available completed NCT04090606
Tobacco Constituents and Biomarkers No drug interventions Not Available Not Available completed NCT00692406
Neuroimaging Attentional Impairment During Abstinence No drug interventions basic_science Not Available completed NCT01531049
Smoking Habits and Smoking Cessation in Young Adults prevention 2 / 3 completed NCT01952236
Web and Mobile Smoking Cessation No drug interventions treatment Not Available completed NCT03885336
Couples Dynamics and Smoking Cessation No drug interventions Not Available Not Available completed NCT01553136
Varenicline Treatment of Alcohol Dependence in Smokers treatment 2 completed NCT02207036
Tobacco Status Project: Social Media Intervention for Young Adult Smokers No drug interventions treatment Not Available completed NCT00132236
Nurse Smoking Cessation of Patients With Chronic Obstructive Pulmonary Disease (COPD) With Nicotine Replacement Therapy (NRT) and Behavioral Support treatment 3 terminated NCT05142436
BAT3221032: A Study to Evaluate the Effects of Switching From Cigarette Smoking to Using One of Five Variants of a Heated Tobacco Product on Biomarkers of Exposure and Biomarkers of Potential Harm in Healthy Subjects No drug interventions other Not Available completed NCT03107936
Development of a Videogame Prototype Targeting Cigarette and Marijuana Smoking, and Tobacco Product Prevention Among Young Adolescents No drug interventions prevention Not Available completed NCT00882336
European Study of Cardiovascular Risk No drug interventions Not Available Not Available completed NCT03352713
Using Mobile Technology to Better Understand and Measure Self-Regulation No drug interventions basic_science Not Available completed NCT00884013
New York City (NYC) Health eHearts Pay for Quality Pilot No drug interventions Not Available Not Available completed NCT00013013
A Randomized Trial to Implement the AHCPR Smoking Cessation Guideline No drug interventions prevention 4 completed NCT00647413
Prevent Exposure to Tobacco Smoke at Home [Gesunde Atemluft zu Hause] No drug interventions prevention Not Available unknown_status NCT05961813
Intervention for Smoking Cessation in Pre-Surgical Patients. No drug interventions treatment Not Available recruiting NCT05362318
Project HEALS (Helping and Empowering pAtients for Living a Life Smoke-free prevention Not Available completed NCT03213418
Electroretinogram: a New Human Biomarker for Smoking Cessation Treatment No drug interventions basic_science Not Available terminated NCT02183818
Integrative-omics of the Disordered COPD Small Airway Epithelium No drug interventions Not Available Not Available completed NCT04071119
Alcohol and Cigarette Craving During Oxytocin Treatment other 1 completed NCT01967719
Nicotine Pharmacokinetic Profile and Safety of the Tobacco Heating System 2.2 Menthol (THS 2.2 Menthol) No drug interventions other Not Available completed NCT03920319
Bupropion and Cigarette-Related Cues in Smokers basic_science 1 completed NCT03645941
Connecting Alaska Native People to Quit Smoking No drug interventions treatment Not Available completed NCT03426241
Effect of Smoking on the Expression of Gelatinases in Chronic Periodontitis No drug interventions Not Available Not Available completed NCT05846841
Personalized Tobacco Treatment in Primary Care (MOTIVATE) No drug interventions supportive_care Not Available recruiting NCT00726141
Brief Interventions on Smoking for Hormonal Contraceptive Users No drug interventions treatment Not Available completed NCT02294617
E-cigarette vs. Nicotine Inhaler Comparisons No drug interventions Not Available Not Available completed NCT04460417
Chicago Community Health Study No drug interventions treatment Not Available completed NCT02932917
MapMySmoke: Smoking Cessation App With Geospatial Capture No drug interventions treatment 1 unknown_status NCT03887117
Effect of Switching From Cigarette Smoking to IQOS on Exercise Capacity No drug interventions basic_science Not Available completed NCT04179617
Impact of New Product Standards for JUUL Among Dual JUUL/Combusted Cigarette Users No drug interventions other Not Available withdrawn NCT00044434
Bupropion as a Smoking Cessation Aid in Alcoholics treatment 4 completed NCT01166334
WebQuit Online Smoking Cessation Study No drug interventions treatment 1 completed NCT03063034
CSD1602: A Crossover Study to Evaluate the Exposure to "Tar" and Nicotine From Two King Size Menthol Cigarette Products No drug interventions other Not Available completed NCT02347124
Promoting Oral Health Among Smokers Randomized Trial No drug interventions treatment Not Available completed NCT01374724
Preventing Relapse Following Involuntary Smoking Abstinence No drug interventions prevention Not Available unknown_status NCT00271024
Efficacy of Naltrexone in Women's Smoking Cessation treatment 2 completed NCT00291824
Cardiovascular Lifestyle Study: Effects and Expense of a Cardiovascular Risk Reduction Clinic in Primary Care No drug interventions prevention 1 unknown_status NCT03006224
The Effects of Secondary Smoking During One Lung Ventilation No drug interventions other Not Available completed NCT00984724
Reducing Tobacco Related Health Disparities No drug interventions treatment Not Available completed NCT02179424
Promoting Tobacco Control and Smoking Cessation in Workplaces [Phase I] No drug interventions health_services_research Not Available completed NCT00502216
Naltrexone and Varenicline: Weight Gain and Tolerability in Cigarette Smokers treatment 1 / 2 completed NCT01104896
Effect of Daily Nicotine Patch Application on Mechanical Ventilation Weaning in Smoking Patients supportive_care 4 unknown_status NCT00981396
The Effect of Emotional Freedom Techniques (EFT) in Smokers Failing a Smoking Cessation Program No drug interventions treatment 0 recruiting NCT05182996
Perceptions and Barriers About Cessation of Smoking Among IBD Patients No drug interventions prevention Not Available unknown_status NCT02267096
Lombardi Comprehensive Cancer Center/Legacy Pilot Study to Reduce Adverse Smoking Outcomes in the Context of Lung Cancer Screening No drug interventions treatment 3 completed NCT01299896
Connect to Quit for Smoking No drug interventions treatment Not Available completed NCT01069458
The Effect of a High Protein Diet Versus a Low Fat Diet on Body Weight After Smoking Cessation No drug interventions treatment Not Available completed NCT03194958
Helping Poor Smokers Quit No drug interventions health_services_research Not Available completed NCT02737358
N-acetylcysteine for Tobacco Use Disorder treatment 2 completed NCT03084835
Low Dose Computed Tomography for Lung Cancer Screening No drug interventions treatment Not Available terminated NCT03499535
Impact of Smoking Information on Concerns About Radon No drug interventions prevention Not Available completed NCT02261363
The Moment Study: Mixed Method Ecigarette Study No drug interventions Not Available Not Available completed NCT05114863
CSD200907: A Study to Assess Elements of Abuse Liability for a Heated Tobacco Product With Four Non-Combusted Cigarette Variants No drug interventions other Not Available completed NCT02416986
Effects of Smoking Environment on Craving and Smoking No drug interventions basic_science Not Available completed NCT00721786
Internet Stop Smoking Study - Phase VI No drug interventions treatment Not Available completed NCT05102786
CSD210904: Study to Assess Actual Use of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in Current Adult Smokers No drug interventions Not Available Not Available completed NCT03904186
Effectiveness of an Integrated Treatment to Address Smoking Cessation and Anxiety/ Depression in People Living With HIV No drug interventions treatment Not Available active_not_recruiting NCT05819086
Message Testing in Aging African American Smokers No drug interventions treatment Not Available completed NCT02939339
Theta Burst TMS as a Tool to Change Smoking Behavior No drug interventions treatment 0 completed NCT02633839
A Study of the Safety and Levodopa Pharmacokinetics Following Single Dose Administration of CVT 301 (Levodopa Inhalation Powder) in Smoking and Non-Smoking Adults treatment 1 completed NCT03209622
Smoking Cessation After Acute Coronary Syndrome treatment Not Available completed NCT00598325
Antibody and Safety Study of 6 Doses of NicVAX in Smokers No drug interventions prevention 1 / 2 completed NCT04378725
Evaluation of a School-based Smoking Prevention and Cessation Programme in Negeri Sembilan No drug interventions treatment Not Available completed NCT05660525
Leveraging Community Pharmacists to Optimize Smoking Cessation Services for Rural Smokers in Appalachia treatment Not Available recruiting NCT01337830
Pilot Study to Evaluate the Safety and Efficacy of Ariva® Silver Wintergreen in Reducing Cigarette Craving in Smokers No drug interventions Not Available 1 completed NCT04340830
The Effect of Smoking on Dimensional Changes of Free Gingival Graft Around Dental Implants No drug interventions treatment Not Available completed NCT01901848
CPT and Smoking Cessation treatment 2 / 3 completed NCT02949648
Electronic Cigarette Use and Quitting in Youth No drug interventions Not Available Not Available completed NCT02660957
Smoking Cessation Among People Attending A&E No drug interventions treatment Not Available completed NCT00000457
Pharmacologic Relapse Prevention for Alcoholic Smokers treatment 2 completed NCT00773357
Modeling Stress-precipitated Smoking Behavior for Medication Development treatment 2 completed NCT04783857
Modifying Progesterone and Estradiol Levels to Prevent Postpartum Cigarette Smoking Relapse and Reduce Secondhand Smoke Exposure in Infants and Children prevention 4 recruiting NCT00720226
Efficacy of Losartan in Preventing Progression of COPD treatment 4 completed NCT01351766
Behavioral Activation Intervention, Reward Processing, and Youth Smoking Cessation treatment 3 completed NCT00662766
Intervention With Black Currant Seed Press Residues in Healthy Subjects No drug interventions supportive_care Not Available completed NCT02835066
Patient Function/Fitness and Psychosocial Health in Improving Health-Related Quality of Life in Patients With Stage I-IV Non-Small Cell Lung Cancer No drug interventions Not Available Not Available withdrawn NCT03699865
Young Adults and Low Nicotine Cigarettes No drug interventions other Not Available withdrawn NCT03892265
A Longitudinal Cohort Study to Evaluate Cardiovascular Risk Factors and Disease in Haiti No drug interventions Not Available Not Available active_not_recruiting NCT00548665
Carotid Plaque Screening Trial in Smokers No drug interventions screening 4 completed NCT03170674
CSD170501: Study to Assess Biomarkers of Tobacco Exposure in Smokers During In-Clinic Confinement Switch to an Electronic Cigarette No drug interventions other Not Available completed NCT03506074
Flavor Test Results in General Population No drug interventions Not Available Not Available completed NCT02659774
Smoking Cessation in Workplaces in Hong Kong [Phase II] No drug interventions health_services_research Not Available unknown_status NCT02532374
Nicotine Pharmacokinetic and Pharmacodynamics Profile, Safety and Tolerability of P3L No drug interventions other Not Available completed NCT05641974
Effect of Helpers Program On-line Training on Smoking Relapse and Social Networks No drug interventions prevention Not Available enrolling_by_invitation NCT00657020
Functional Magnetic Resonance Imaging (fMRI) Investigation of Nicotine Withdrawal Symptoms basic_science 4 completed NCT00411320
Determinants of Corticosteroid Insensitivity in Smokers With Asthma basic_science Not Available completed NCT00123682
TeleQuit Smoking Cessation Program No drug interventions treatment Not Available completed NCT01584882
Computer-Assisted Tobacco Interventions in Dental Offices No drug interventions health_services_research Not Available completed NCT00951782
Deep High-Frequency Repetitive Transcranial Magnetic Stimulation for Smoking Cessation No drug interventions treatment 2 / 3 completed NCT02663882
Self-Control and Adult Cigarette Smokers No drug interventions other Not Available completed NCT01970982
Reduced Exposure Study in Smokers Using the Tobacco Heating System 2.2 (THS 2.2) for 5 Days in a Confinement Setting No drug interventions other Not Available completed NCT04089982
Varenicline Light Smoking Pilot treatment 4 completed NCT01592682
Creating Smokefree Living Together for Chinese Household Pairs No drug interventions prevention Not Available completed NCT01826331
Incentives for Participation Versus Outcomes No drug interventions health_services_research Not Available unknown_status NCT05277831
Testing the Efficacy of A Scalable, Telephone-Delivered, Guided Imagery Tobacco Cessation Intervention No drug interventions treatment Not Available recruiting NCT02168673
Modulation of Genes Responsible for Cilia Length by Exposure to Cigarette Smoke No drug interventions Not Available Not Available completed NCT03687073
Trial of Indole-3-Carbinol and Silibinin treatment 1 completed NCT02357173
A Trial of E-cigarettes in Current Cigarette Smokers No drug interventions other Not Available completed NCT00463827
Effect of Statins on Asthma Control in Smokers With Asthma treatment 2 completed NCT02763527
Effectiveness of Negotiating Self-determination to Reduce Cigarette Consumption No drug interventions treatment Not Available unknown_status NCT01325727
Brief Computerized Feedback for Smokers in Recovery No drug interventions treatment Not Available completed NCT01103427
Usefulness of Supportive SMS in Addition to an Internet Based Quit Smoking Program (Www.Slutta.no) No drug interventions prevention Not Available completed NCT05490927
Ethnic Microaggressions and Smoking Behaviors Among Latinx Adults No drug interventions basic_science Not Available recruiting NCT00862927
Cue Reactivity in Virtual Reality: The Role of Context No drug interventions Not Available Not Available terminated NCT03178227
Smokerface Mirroring in Brazil RCT No drug interventions prevention Not Available unknown_status NCT00056927
Anti-Smoking Program for Parents: Effects on Child Smoking No drug interventions educational_counseling_training Not Available completed NCT02603627
Prevalence of COPD in Our Lung Cancer Population, Compared to Controls No drug interventions Not Available Not Available unknown_status NCT00632476
Evaluating the Effects of Supplemental Vitamin C on Infant Lung Function in Pregnant Smoking Women No drug interventions prevention Not Available completed NCT05448976
Potential Effect for the Smoking on Periodontitis From the Perspective of Arginine Metabolites No drug interventions prevention Not Available completed NCT01758276
Obstetric Complications in Women Who Smoke During Pregnancy No drug interventions Not Available Not Available unknown_status NCT06228976
Mindfulness-based, Mobile Health (mHealth) Smoking Cessation Intervention in Vietnam No drug interventions other Not Available recruiting NCT03112876
Sebum Collection and Skin Barrier Function Analysis No drug interventions Not Available Not Available completed NCT02730676
Comparison of Pharmacokinetic Parameters Between Adopters of Electronic Cigarettes and a Historical Sample of Combustible Cigarette Smokers No drug interventions Not Available Not Available completed NCT03187860
Ciliation and Mucus Rheology Parameters Determined Via Air-liquid-interface Cell Cultures in Non-smoking, Smoking, COPD and Asthmatic Patients No drug interventions diagnostic Not Available terminated NCT03818360
Deliver an Evidence-based Smoking Cessation Intervention for Smokers Attending A&E Departments in Hong Kong No drug interventions health_services_research Not Available completed NCT04316260
Smoking Cessation E-Visit No drug interventions health_services_research Not Available completed NCT00169260
Proactive Health Intervention for Tobacco Users (Get PHIT) No drug interventions treatment 2 / 3 completed NCT00257894
Baclofen Effects on Smoking Urge and Withdrawal treatment 2 terminated NCT00452894
Phase 1 Clinical Trial of Varenicline in Chinese Healthy Smoking Volunteers treatment 1 completed NCT04282694
PRogetto Salute Parma No drug interventions Not Available Not Available terminated NCT02421991
Telephone-Delivered Interventions for Smoking Cessation No drug interventions treatment Not Available completed NCT03815591
Implementation and Dissemination of an Evidence-Based Tobacco Product Use Prevention Videogame Intervention With Adolescents No drug interventions prevention Not Available completed NCT02724462
Trial of An Innovative Smartphone Intervention for Smoking Cessation No drug interventions treatment Not Available completed NCT01320462
Smoking Cessation Program in the Preadmission Clinic No drug interventions treatment Not Available completed NCT02527980
E-Cigarettes: Dynamic Patterns of Use and Health Effects No drug interventions Not Available Not Available completed NCT01120080
Alcohol Counseling for Telephone Quitline Callers No drug interventions treatment 1 / 2 completed NCT05671380
A Pragmatic Trial of Chronic Disease Approaches to Ameliorate Tobacco Related Cardiovascular Disease Health Disparities No drug interventions health_services_research Not Available recruiting NCT00770380
Hypnosis for Smoking Relapse Prevention No drug interventions treatment Not Available completed NCT01615380
Exercise to Enhance Smoking Cessation for Women at the YMCA No drug interventions treatment 2 / 3 completed NCT01417429
Galantamine Effects on Nicotine Responses in Smokers treatment 1 completed NCT02096029
Tobacco Intervention in Primary Care Treatment Opportunities for Providers No drug interventions other Not Available completed NCT04938089
Effect of Periodontal Maintenance Therapy on Tooth Loss in Regular and Irregular Compliant Smokers and Non-Smokers: A Cohort Retrospective Analysis With a Follow-up Up to 40 Years No drug interventions Not Available Not Available unknown_status NCT02008292
Acetylcholine, Tobacco Smoking, Genes and Nicotinic Receptors other Not Available completed NCT00064844
Combination Nicotine Replacement for Alcoholic Smokers treatment 4 completed NCT01438944
Evaluation of Transdermal Nicotine Replacement Therapy (NRT) Activity Through Metabolic Induction health_services_research 1 completed NCT02081144
Texting to Promote Tobacco Abstinence in Emergency Department Smokers: A Pilot Study treatment 1 completed NCT05851040
Observe the Effect of Wheatgrass and Tulsi Formulation or Individuals Taken With Other Allopathic Drugs No drug interventions Not Available Not Available not_yet_recruiting NCT00297440
Exercise, Smoking Cessation and Adolescents No drug interventions treatment 1 / 2 unknown_status NCT00356967
Efficacy and Safety of Dianicline Versus Placebo as an Aid to Smoking Cessation treatment 3 completed NCT06535867
The Efficacy of Conventional Screening Versus mHealth Screening in Early Detection of Oral Potentially Malignant Disorders and Oral Cancer Amongst the Rural Population of Varanasi: A Prospective and Blinded Study No drug interventions Not Available Not Available recruiting NCT05952401
Implementation Science to Reduce the Disparity in Tobacco Treatment Among Individuals With Serious Mental Illness No drug interventions prevention Not Available enrolling_by_invitation NCT00981201
Celecoxib as a Chemopreventive Agent in Current and Former Smokers prevention 3 completed NCT02750904
Web-Delivered Acceptance & Commitment Therapy for Smokers With Bipolar Disorder No drug interventions treatment Not Available completed NCT00665704
Tobacco Tactics Website for Veteran Smokers No drug interventions health_services_research 1 completed NCT06350604
Project WHADE: A Partner-Based Physical Activity Program for Women No drug interventions prevention Not Available recruiting NCT01120704
Evaluation of Treatments to Improve Smoking Cessation Medication Adherence treatment 4 completed NCT04590404
Metabolism Informed Smoking Treatment: The MIST RCT treatment 3 active_not_recruiting NCT03181204
Modeling Bronchial Epithelium Modifications Associated With COPD Using iPS No drug interventions Not Available Not Available completed NCT00570804
Combined Treatment for Tobacco and Alcohol Use in Puerto Rico No drug interventions prevention Not Available completed NCT00670904
Randomized Trial Assessing the Effectiveness of a Pharmacist-Delivered Program for Smoking Cessation No drug interventions treatment Not Available completed NCT04815772
Evaluation of the 1999 and 2018 Periodontal Disease Classifications: a Retrospective Study No drug interventions Not Available Not Available completed NCT02627872
Clinical & Systems Medicine Investigations of Smoking-related Chronic Obstructive Pulmonary Disease No drug interventions Not Available Not Available active_not_recruiting NCT06492772
The Effect of an Anti-Smoking Mobile Application on Self-Efficacy, Decision Making and Breath Carbon Monoxide Levels No drug interventions other Not Available not_yet_recruiting NCT05920772
Process and Effect Evaluation of the KickAsh! Intervention No drug interventions prevention Not Available active_not_recruiting NCT02718872
Tobacco Cessation Training Program in Spanish-speaking Countries No drug interventions health_services_research Not Available completed NCT03844672
Impact of E-cigarette Characteristics on Reinforcement and Tobacco Use Patterns No drug interventions prevention Not Available completed NCT01521572
Effect of the Salbutamol on Mechanical Properties of Respiratory System basic_science Not Available unknown_status NCT03931772
Online Automated Self-Hypnosis Program No drug interventions other Not Available completed NCT01032772
ChoicesPlus: Reducing Alcohol- and Tobacco-Exposed Pregnancy No drug interventions prevention Not Available completed NCT03786172
Efficacy of Smoking Cessation Intervention for Head and Neck Cancer Patients No drug interventions prevention Not Available unknown_status NCT01318668
A Fmri Study on the Effects of a Conjugate Vaccine and Placebo on CNS Activation and Behavior Following a Nicotine Challenge Not Available 1 / 2 completed NCT00757068
Strategies to Avoid Returning to Smoking No drug interventions treatment Not Available completed NCT03267368
Comprehensive Care Program SBRT No drug interventions treatment Not Available terminated NCT00121368
GN Tobacco Use Survey No drug interventions Not Available Not Available completed NCT00505869
A Mood Management Intervention for Pregnant Smokers No drug interventions Not Available Not Available completed NCT02513069
Mobile Contingency Management for Smoking Cessation in Returning US Veterans No drug interventions treatment Not Available completed NCT02007369
Relapse Prevention Through Social Networking Groups No drug interventions treatment Not Available completed NCT00587769
Chantix & Bupropion for Smoking Cessation treatment 3 completed NCT05643469
Self-determination Plus Instant Messaging for Smokers With Cancer No drug interventions treatment Not Available recruiting NCT02188446
Intensive Smoking and Alcohol Cessation Intervention in Bladder Cancer Surgery Patients No drug interventions prevention Not Available completed NCT05506046
Messages About Reduced Nicotine in Combusted Tobacco Products No drug interventions treatment Not Available completed NCT03185546
Project 2 Cigarette and E-cigarette Nicotine Content and E-liquid Flavors No drug interventions prevention Not Available completed NCT01348646
Adult Follow-up of Preventive Study With Brief Smoking Intervention for Adolescents No drug interventions prevention Not Available completed NCT03311646
Impact of Exclusive Use of Low Nicotine Cigarettes on Compensatory Smoking No drug interventions other Not Available completed NCT02466412
Nicotine Pharmacokinetic Profile of the CHTP 1.1 M No drug interventions other Not Available completed NCT03447912
Smoke-free Air Coalitions in Georgia and Armenia No drug interventions prevention Not Available completed NCT01237912
European Exposure Study No drug interventions Not Available Not Available completed NCT01783912
Helping Those With Mental Illness Quit Smoking treatment 4 completed NCT01432912
Study Evaluating the Effect of Physician Education on Smoking Cessation Counselling No drug interventions Not Available Not Available completed NCT00405912
St. John's Wort for Tobacco Cessation treatment 2 completed NCT01124110
Tobacco Tactics Website for Operating Engineers No drug interventions prevention 3 completed NCT00492310
Yoga for Women Attempting Smoking Cessation No drug interventions treatment 3 unknown_status NCT01585610
Motivating Smokers With Mobility Impairments to Quit Smoking No drug interventions treatment 3 unknown_status NCT01428310
Study to Evaluate the Safety and Efficacy of Dietary Supplement Anatabloc in Reducing Daily Smokers' Urge to Smoke No drug interventions Not Available 1 completed NCT01846910
Prepare to Quit - A Clinical Trial to Help People Quit Smoking in a Community Dental Clinic Setting No drug interventions prevention Not Available unknown_status NCT02396381
Evaluation of Biological and Functional Changes in Healthy Smokers After Switching to THS 2.2 for 26 Weeks No drug interventions other Not Available completed NCT00352781
Stop Smoking Therapy for Ontario Patients treatment Not Available completed NCT03178981
E-cigarette Nicotine Pharmacokinetic Study No drug interventions basic_science Not Available completed NCT02991781
Combined Bio- and Neuro- Feedback vs. Varenicline Use for Smoking Cessation health_services_research Not Available completed NCT00912795
SMS Turkey: Harnessing the Power of Text Messaging to Promote Smoking Cessation No drug interventions Not Available Not Available completed NCT02167295
Biobehavioral and Cultural Determinants of Betel Quid Chewing, Dependence, and Withdrawal in Taiwan No drug interventions Not Available Not Available completed NCT04568395
Acute Effects of TCIG vs ECIG in PLWH No drug interventions basic_science Not Available completed NCT01970995
Reduced Exposure Study Using THS 2.2 Menthol With 5 Days in a Confinement Setting and 85 Days in an Ambulatory Setting No drug interventions other Not Available completed NCT00932295
Evaluating the Acute Effects of Electronic Nicotine Delivery Devices Marketed to Smokers. No drug interventions basic_science 1 / 2 completed NCT00673595
Endothelial Function and Autonomic Regulation After Short-term Smoking Cessation: Varenicline Versus Placebo basic_science Not Available terminated NCT06442514
Pain and Smoking Study - Interactive Voice Response No drug interventions treatment Not Available not_yet_recruiting NCT05486455
Evaluation of Lung Cancer CT Screening Performance Among Former and Current Smokers No drug interventions diagnostic Not Available recruiting NCT03978455
A Pilot Study of the Learn, Connect, and Quit Mobile Application No drug interventions Not Available Not Available completed NCT05385055
Reduction of Exposure, Inflammation, and Oxidative Stress Following At Least 2 Years of Switching to THS Use Compared to Cigarette Smoking No drug interventions Not Available Not Available completed NCT00992550
Comparison of Hookah and Cigarette Smoking No drug interventions Not Available 1 completed NCT02136550
Smoking Cessation on the Human Airway: Mucus Secretion, Inflammatory and Proteomic Profile in Nose and miRNAs in Blood No drug interventions screening Not Available unknown_status NCT01269723
Effects of Sulforaphane (SFN) on Immune Response to Live Attenuated Influenza Virus in Smokers and Nonsmokers No drug interventions Not Available Not Available completed NCT01342523
Evaluation of National Cancer Institute (NCI) Smoking Intervention Resources No drug interventions treatment 4 completed NCT00245323
Checking Smoking Status as a Routine Vital Sign: A Cluster-Randomized Trial of Its Effect on Cessation Counseling No drug interventions other Not Available completed NCT00429208
Effect Of Nicotine on Neurocognitive Performance of Cigarette Smokers diagnostic Not Available unknown_status NCT00724308
Telephone Care Coordination for Smokers in VA Mental Health Clinics No drug interventions health_services_research Not Available completed NCT00937508
Smoking Cessation Program in the Preadmission Clinic treatment 4 unknown_status NCT01282008
Message Testing for Tobacco-Related Corrective Statements No drug interventions Not Available Not Available completed NCT04740008
Impact of Low Nicotine Cigarette Messaging on Perceptions and Cigarette Choices prevention 0 completed NCT03600038
Smoking Cessation Smartphone App for Cancer Patients (Quit2Heal Study) No drug interventions treatment Not Available completed NCT03593538
Effects of Metformin During Nicotine Withdrawal treatment 2 completed NCT02591238
Melatonin in Smoke-induced Vascular Injury prevention 4 completed NCT04009538
Re-Rehabilitation in Chronic Obstrctive Pulmonary Disease No drug interventions treatment Not Available completed NCT01122238
Identifying Treatments to Motivate Smokers to Quit treatment 4 completed NCT01106638
A Trial to Test the Efficacy of a Tailored Intensive Smoking Cessation Intervention in Persons With HIV (PWHs) No drug interventions treatment 3 completed NCT06439238
Feasibility of Conducting a Pilot Telehealth Study Assessing the Removal of Filter Ventilation on Smoking Behavior and Biomarkers in Menthol Smokers Switched to Non-menthol Cigarettes No drug interventions health_services_research Not Available recruiting NCT01243138
Africa and Middle East Cardiovascular Epidemiological Study No drug interventions Not Available Not Available completed NCT01170338
Safety and Efficacy of the Novel Selective Nicotinic Receptor Partial Agonist, CHANTIX (Varenicline) in Patients With Acute Coronary Syndrome treatment 4 unknown_status NCT00271843
Smoking and Alcohol Initiation No drug interventions Not Available Not Available completed NCT00436943
Smoking Cessation Program: A Quality Improvement Trial in a Resident-Based Outpatient Clinic Not Available Not Available terminated NCT01243203
Smoking Cessation Program in the Preadmission Clinic: The Use of a Teachable Moment supportive_care Not Available completed NCT02952703
Disseminating and Implementing a Smoking Cessation Program for Pregnant and Postpartum Women No drug interventions treatment Not Available completed NCT03163303
Smoking Tobacco and Drinking Study treatment 4 completed NCT00169390
Monoamine Oxidases in Smoking Pregnant Women and Newborns No drug interventions Not Available Not Available completed NCT02922790
Feasibility and Smokers' Reactions to DNA Feedback No drug interventions other Not Available completed NCT01569490
Striving to Quit: First Breath No drug interventions treatment Not Available completed NCT02341664
Patient and Provider Assessment of Lipid Management Registry No drug interventions Not Available Not Available completed NCT00581464
Healthier Hearts and Brains in Treating Smoking: The HABITS Study No drug interventions treatment Not Available completed NCT00633321
Study of TA-NIC to Assess the Efficacy and Safety of the Vaccine as an Aid to Smoking Cessation treatment 2 completed NCT00156702
Researching the Youth Smoking Experience No drug interventions prevention 1 completed NCT03891602
DECIDE: Developing Tools for Lung Cancer Screening Discussion Improvement No drug interventions Not Available Not Available completed NCT04167384
CSD190301: A Study to Assess Elements of Abuse Liability for Two Dissolvable Nicotine Lozenge Tobacco Products No drug interventions other Not Available completed NCT02153684
Canadian Cohort on the Origin and Progression of Airway Disease: Physiology Platform No drug interventions Not Available Not Available completed NCT05239884
CSD201202: A Study to Assess Nicotine Uptake From Electronic Nicotine Delivery System P12 No drug interventions other Not Available completed NCT03938584
The Effect of Vitamin C on Wound Healing In Mandibular Fracture Patients No drug interventions treatment Not Available completed NCT01553084
A Comparative Effectiveness & Long Term Health Study in Wisconsin Smokers treatment 4 completed NCT01236079
Cessation Service Use and Effectiveness for Hospitalized Smokers No drug interventions prevention Not Available completed NCT04281979
Effects of a Specific Substance in Smokers No drug interventions basic_science Not Available recruiting NCT03553979
Grip&Health: Behavioural Intervention to Reduce Smoking, Stress and Improve Financial Health in Low-SES in Rotterdam No drug interventions prevention Not Available unknown_status NCT04357379
IQOS (Non-Cigarette Tobacco Product) Pilot Study No drug interventions prevention Not Available completed NCT00706979
A Novel Treatment to Boost Quit Attempts and Cessation Among Unmotivated Smokers No drug interventions treatment Not Available completed NCT01550679
Early Detection of COPD Patients in GOLD 0 (Smokers) Population No drug interventions Not Available Not Available completed NCT00297479
Group Therapy for Nicotine Dependence: Mindfulness and Smoking prevention Not Available completed NCT00812279
Investigate the Exposure to Selected Smoke Constituents in Smokers Switching to Distillation Based Smoking Article No drug interventions basic_science Not Available completed NCT03166787
Hookah Smoking, Carbon Monoxide, and Coronary Endothelial Function other 1 terminated NCT03671187
Pulmonary Rehabilitation and Smoking No drug interventions treatment Not Available completed NCT00040287
Theory-Based Interventions for Smoking and Obesity (Challenge) Trial No drug interventions treatment 3 completed NCT02641587
Reduced Exposure Study Using the CHTP 1.2 With 5 Days in a Confinement Setting Followed by 85 Days in an Ambulatory Setting. No drug interventions other Not Available completed NCT02596087
Improving Quality by Maintaining Accurate Problems in the EHR No drug interventions other Not Available completed NCT00012987
Implementing Guidelines for Smoking Cessation: A Randomized Trial of Evidence-Based Quality Improvement No drug interventions treatment Not Available completed NCT00742287
Cardiovascular Effects of Oligomeric Procyanidins (OPCs) in Smokers No drug interventions prevention Not Available completed NCT03774433
Using Mobile Technology to Improve Self-Regulation No drug interventions basic_science Not Available completed NCT00948233
Project COMBAT: Combating Tobacco Use in the United States Army No drug interventions Not Available Not Available withdrawn NCT02651233
Factors That Influence Adipose Derived Regenerative Cells' Yield and Viability No drug interventions Not Available Not Available completed NCT02482233
The END Perioperative Smoking Pilot Study treatment 4 completed NCT01820533
Survey of Smokers Treated in the Emergency Department (ED) on Ownership and Usage of Cell Phones No drug interventions Not Available Not Available completed NCT01974154
COPD Metabolome, Smoking Oxidants and Aberrant Ciliated Cell Function No drug interventions Not Available Not Available terminated NCT03742154
Hollings Cancer Center Varenicline Sampling Study prevention 0 completed NCT00000454
Smoking Cessation in Alcoholism Treatment treatment 4 completed NCT00948454
Research Study on the Effects of Smoking on Arteries No drug interventions Not Available Not Available completed NCT01864954
Web and Phone Intervention to Maintain Postpartum Tobacco Abstinence No drug interventions prevention Not Available completed NCT01083654
Menominee Stop Tobacco Abuse Renew Tradition Study No drug interventions treatment Not Available completed NCT02873754
Smoking Treatment and Exercise Program for Underserved Populations (STEP UP) treatment Not Available completed NCT04529551
CSD1601: A Study to Evaluate the Exposure to Tar and Nicotine From Two Cigarette Products That Contain a Menthol Capsule in the Filter No drug interventions other Not Available completed NCT00981851
Interaction in Chronic Obstructive Pulmonary Disease Experiment Not Available Not Available completed NCT05859451
Effect of Tobacco Heating System (THS) on Closed Tibia Fracture Healing No drug interventions prevention Not Available recruiting NCT02610751
Maternal Smoking During Pregnancy and Female Fetal Testosterone Levels No drug interventions Not Available Not Available completed NCT01850953
Effects of Varenicline on Smoking Lapse in Smokers With and Without Schizophrenia other 4 completed NCT05678153
Effect of Passive Smoking on Orofacial Dysfunction Among a Group of Egyptian Children: A Cohort Study No drug interventions Not Available Not Available not_yet_recruiting NCT00407277
Neural Inhibition as a Mechanism of Nicotine Dependence Among Persons With Schizophrenia basic_science Not Available completed NCT01569477
Striving to Quit-Wisconsin Tobacco Quit Line No drug interventions treatment Not Available withdrawn NCT02927847
Neuroimaging Reward, Behavioral Treatment, and Smoking Cessation basic_science 1 / 2 completed NCT03884647
DELPHI in Subjects at Risk for Stroke and Dementia No drug interventions Not Available Not Available completed NCT01672645
A Study to Assess the Safety and Tolerability of Different Doses of PF-05402536 and PF-06413367 in Healthy Adult Smokers. No drug interventions treatment 1 completed NCT02498145
Short Term Effects of Electronic Cigarettes in Tobacco Dependent Adults No drug interventions other Not Available completed NCT02148445
Smoking Cessation Versus Long-term Nicotine Replacement Among High-risk Smokers treatment 3 completed NCT05810298
Effects of Yoga on Pulmonary Parameters, Posture, Body Awareness and Quality of Life Among Chronic Smokers No drug interventions prevention Not Available completed NCT00420498
Effects of Atomoxetine on Cognitive Function in Schizophrenia treatment 2 completed NCT01663298
Gene Expression Variation and Implant Wound Healing Among Smokers and Diabetics No drug interventions Not Available Not Available completed NCT03631498
Apoptotic Changes in Gingiva Caused by Smoking No drug interventions Not Available Not Available completed NCT02817698
Imaging the Neurochemistry of Drug Addiction With PET other 0 recruiting NCT01568905
Palatability of Experimental Cigarettes - Study 2 No drug interventions prevention Not Available completed NCT00605605
Vascular Endothelial Protection Effects of Dextromethorphan treatment 4 completed NCT05016505
Supporting Smoke-Free Policy Compliance in Public Housing No drug interventions prevention Not Available recruiting NCT00843505
Evaluating a Telemedicine Smoking Cessation Program in Rural Primary Care Practices No drug interventions treatment 3 completed NCT01691105
Implementation of HIT-Enhanced Tobacco Treatment for Hospitalized Smokers No drug interventions treatment Not Available completed NCT01087905
Improving the Population-Wide Effectiveness of U.S. Tobacco Cessation Quitlines treatment 4 completed NCT01995097
BABY STEPS II: SMS Scheduled Gradual Reduction Text Messages to Help Pregnant Smokers Quit No drug interventions prevention Not Available completed NCT04691297
Digitally Enhanced Smoking Cessation for High Risk Smokers No drug interventions prevention Not Available active_not_recruiting NCT00987597
Smoking Cessation for Patients With Acute Coronary Syndrome (ACS) No drug interventions prevention Not Available completed NCT00314197
Improving Health Behaviors Through Telephone Linked Care No drug interventions treatment Not Available completed NCT03233997
CSD170302: Study to Assess Nicotine Uptake in Smokers From Electronic Cigarettes No drug interventions other Not Available completed NCT06191497
The Effect of Smoking and Chlorhexidine on Periodontal Tissues After Non- Surgical Periodontal Therapy in Patients With Periodontitis treatment Not Available active_not_recruiting NCT05294497
CSD201301: Study to Assess Elements of Abuse Liability for Four P13 Nicotine Pouches No drug interventions other Not Available completed NCT02164383
A Quit Smoking Study Using Smartphones treatment Not Available completed NCT01288183
Anodal Transcranial Direct Current Stimulation (tDCS) in the Treatment of Tobacco Addiction No drug interventions treatment Not Available completed NCT04279483
GeoScan and Remote Geo Smoking Study: Neural and Behavioral Correlates of Smokers' Exposure to Retail Environments No drug interventions other Not Available active_not_recruiting NCT05479383
Tobacco Use and Uptake of COVID-19 Vaccinations No drug interventions Not Available Not Available active_not_recruiting NCT01656083
The Compliance of Varenicline With Short-massage No drug interventions Not Available Not Available unknown_status NCT01080183
Functional Assessment Screening Tablets - Patient Reported Measures No drug interventions health_services_research Not Available completed NCT02116283
Mobile Sensing of Smoking Behavior No drug interventions basic_science Not Available completed NCT01466361
Evaluation of the Nicotine Lozenge in Relief of Provoked Acute Craving treatment 2 completed NCT04751461
CSD210202: A Study to Assess Nicotine Uptake From Electronic Nicotine Delivery Systems No drug interventions other Not Available completed NCT04848961
A Study to Develop a Strategy to Increase Lung Cancer Screening in Women Who May Be at Risk for Lung Cancer No drug interventions prevention 0 active_not_recruiting NCT02596061
In It To Quit: Commitment Contracts for Smoking Cessation No drug interventions treatment Not Available completed NCT02641028
A Study in a Human Laboratory Model of Smoking Behavior treatment 2 completed NCT03673228
Preventing Smoking Relapse After Total Joint Replacement Surgery treatment Not Available completed NCT00494728
Smoking Cessation for Depressed Smokers treatment 1 / 2 active_not_recruiting NCT00860028
Varenicline for Smoking Cessation in Heavy Drinking Smokers treatment 2 completed NCT06346028
Implementation of Transcranial Magnetic Stimulation for Smoking Cessation No drug interventions treatment 4 recruiting NCT02800928
Does CERC-501 Attenuate Stress-precipitated Smoking Lapse? treatment 2 completed NCT00689611
Zyban as an Effective Smoking Cessation Aid for Patients Following an Acute Coronary Syndrome: The ZESCA Trial treatment 3 completed NCT01840111
Environments as Smoking Cues: Imaging Brain Substrates, Developing New Treatments (CameraCue) No drug interventions basic_science Not Available completed NCT00632411
Evaluating a Telephone-Based Smoking Cessation Program Among People in the Military (The AFIII Study) treatment Not Available completed NCT01589211
Brief Intervention Study for Quitting Smoking No drug interventions prevention Not Available terminated NCT00273793
Increasing Contingency Management Success in Smoking Cessation No drug interventions treatment Not Available completed NCT02676193
Effect of Packaging on Smoking Perceptions and Behavior No drug interventions other Not Available unknown_status NCT01719471
fMRI of Stress in Smoking Behavior No drug interventions Not Available Not Available withdrawn NCT05763771
Smartphone-delivered Scheduled Smoking with Compliance Facilitation As an Adjunct Cessation Therapy: a Feasibility Study No drug interventions prevention Not Available recruiting NCT00715871
Clinical Study of Smoke-Break Liquid Cigarettes treatment 2 completed NCT02945371
Tailored Inhibitory Control Training to Reverse EA-linked Deficits in Mid-life No drug interventions prevention Not Available completed NCT06277271
E-cigarettes as a Harm Reduction Strategy No drug interventions other Not Available recruiting NCT06561971
Effect of Different Centrifuge Values on Saliva High Sensitive C-Reactive Protein (Hs-CRP) Levels in Individuals With Different Smoking Amounts No drug interventions diagnostic Not Available recruiting NCT02901171
The Contribution of a Smartphone Application to Acceptance and Commitment Therapy Group Treatment for Smoking Cessation No drug interventions treatment Not Available completed NCT01383278
Evaluation of a Computer-Delivered 5 A's Intervention for Smoking No drug interventions treatment Not Available terminated NCT03305978
Pulmonary Nodule Detection: Comparison of an Ultra Low Dose vs Standard Scan. No drug interventions diagnostic Not Available completed NCT01595178
Combination SBIRT for Emergency Department Patients Who Drink and Smoke No drug interventions screening 0 completed NCT06103578
Evaluation of SOST, TWEAK, RANKL, OPG Levels in Smokers and Non-Smokers With Periodontitis No drug interventions Not Available Not Available completed NCT05566678
Effect of Switching From Cigarette Smoking to THS on Systemic Endothelial Function in Subjects With Established Atherosclerotic Disease No drug interventions other Not Available withdrawn NCT01959607
Nicotine Pharmacokinetic Profile and Safety of the Tobacco Heating System 2.2 (THS 2.2) No drug interventions other Not Available completed NCT05374707
The Effect of Motivational Interviewing Technique on Smoking Urge and Smoking Cessation Success in Teachers No drug interventions prevention Not Available completed NCT01898507
Nicotine Metabolism and Low Nicotine Cigarettes No drug interventions other Not Available completed NCT01954407
Young Adults' Responses to Anti-smoking Messages No drug interventions basic_science Not Available completed NCT01414907
Study of Effectiveness of Adding the Health Promotion and Rehabilitation for Treatment for Alcohol and Drug Abusers No drug interventions treatment Not Available completed NCT01621009
Bupropion SR Plus Counseling for Smoking Cessation treatment 4 completed NCT02134509
Smartphone Application for Smoking Cessation No drug interventions treatment Not Available completed NCT05142956
Smoking Increases the Risk of Postoperative Wound Complications: a Propensity Score-matched Cohort Study No drug interventions Not Available Not Available completed NCT04654585
Preference-based Tools for Smoking Cessation Among Disadvantaged Smokers, a Pragmatic Randomised Controlled Trial No drug interventions prevention Not Available unknown_status NCT03453385
Clinical Outcomes of a Nationwide, Naturalistic E-Cig Trial (CONNECT) No drug interventions prevention Not Available completed NCT05473585
Impact of New Standards for Tobacco Products Among Dual E-Cigarette/Combusted Cigarette Users - Project 2 No drug interventions other Not Available completed NCT00650585
An Effectiveness Trial of Project ALERT No drug interventions prevention Not Available completed NCT01311115
Using Group Commitment for Smoking Cessation No drug interventions treatment Not Available completed NCT04857515
Clinical Learning Study for a Mobile Smoking Cessation Program No drug interventions Not Available Not Available completed NCT04481737
Peer-delivered and Technology-Assisted Integrated Illness Management and Recovery No drug interventions treatment Not Available completed NCT05192837
Preoperative Smoking Cessation in Patients Undergoing Surgery No drug interventions prevention Not Available recruiting NCT04135937
Mobile Evidence-Based Smoking Cessation for Veterans Living With HIV (MESH) treatment 4 completed NCT00525837
Study of Mood Effects of Varenicline (Chantix) in Depressed Outpatient Smokers treatment Not Available completed NCT00684437
Literacy and Smoking Risk Communications No drug interventions other Not Available active_not_recruiting NCT01959932
Reduced Exposure Study in Smokers Using THS 2.2 With 5 Days in a Confinement Setting. No drug interventions other Not Available completed NCT00341432
Effectiveness of Nicotine Replacement Therapy in Reducing the Risk of Nicotine Exposure in Pregnant Minority Smokers No drug interventions treatment 2 completed NCT01694732
Efficacy of Varenicline on Smoking Cessation at the Acute Phase of an Exacerbation of Chronic Obstructive Pulmonary Disease treatment 3 completed NCT04228952
Metabolism of NNK in Japanese Americans No drug interventions Not Available Not Available recruiting NCT04104152
CSD190203: A Study to Determine Subject Puffing Patterns of an Electronic Nicotine Delivery System in an Ambulatory Setting No drug interventions other Not Available completed NCT03448900
Intervention Study for Smoking Cessation in Spanish College Students No drug interventions treatment Not Available completed NCT06424600
Ginglival Health Among Smokers Visiting Dental Hospital No drug interventions Not Available Not Available completed NCT02912000
TEACH: Technology Evaluation to Address Child Health No drug interventions health_services_research Not Available completed NCT00297700
Implementing Tobacco Control in Dental Practice No drug interventions treatment 3 unknown_status NCT04914000
Motivating a Spectrum of Cancer Patients to Quit Smoking No drug interventions prevention Not Available completed NCT02188459
Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women treatment 2 completed NCT01023659
Distribution of Bupropion and Varenicline to Increase Smoking Cessation Attempts treatment 4 completed NCT00507975
Study of Nicotine Patch in Pregnancy (SNIPP) No drug interventions treatment 3 completed NCT02662075
Effect of Electronic Cigarettes on Platelets, Endothelium and Inflammation No drug interventions other Not Available withdrawn NCT00261170
Bupropion for Hospital-Based Smoking Cessation treatment 3 completed NCT01262170
A Pilot Study to Evaluate Safety and Efficacy of CigRx™ in Smokers No drug interventions treatment 1 completed NCT01812070
Innovative Smartphone Application of a New Behavioral Method to Quit Smoking: Pilot Trial (Smart Quit) No drug interventions treatment Not Available completed NCT04532970
BAPS in Botswana: The Thotloetso Trial No drug interventions treatment Not Available recruiting NCT05019170
Remote Incentives for Smoking Cessation Among AN Pregnant Women No drug interventions treatment Not Available terminated NCT01615770
Behavioral Maintenance Treatment for Smoking Cessation No drug interventions treatment Not Available completed NCT03038542
Quit4hlth: Enhancing Tobacco and Cancer Control Through Framed Text Messages No drug interventions treatment Not Available completed NCT05390242
Peri-implant Marginal Bone Loss and Implant Failure in Patients With Smoking Habit No drug interventions Not Available Not Available unknown_status NCT01226199
The Expression of TLR2 and TLR4 in the Lung of Chronic Obstructive Pulmonary Disease (COPD) Patients No drug interventions Not Available Not Available unknown_status NCT00836199
NicVAX/Placebo as an Aid for Smoking Cessation No drug interventions treatment 3 completed NCT02601599
Medical Student INtervention to Promote Effective Nicotine Dependence and Tobacco HEalthcare No drug interventions supportive_care Not Available completed NCT04178499
Smoking: Cytokines in Vitreous and Aqueous Humor No drug interventions Not Available Not Available completed NCT05210699
CSD201201: Study to Assess Elements of Abuse Liability for Electronic Nicotine Delivery System P12 No drug interventions other Not Available completed NCT05594199
Feasibility of a Virtual Smoking Cessation Program No drug interventions supportive_care Not Available recruiting NCT05936099
Adolescent Inpatient Tobacco and ENDS Intervention No drug interventions treatment Not Available recruiting NCT00563199
A Randomized Controlled Trial of a Nurse Delivered Stage-matched Smoking Cessation Intervention to Promote Heart Health of Cardiac Patients No drug interventions Not Available Not Available completed NCT06095999
Perfect Fit: Evaluation of a Virtual Coach for Smoking Cessation and Physical Activity No drug interventions prevention Not Available recruiting NCT01967706
Nicotine Pharmacokinetic Profile and Safety of the Tobacco Heating System 2.2 Menthol (THS 2.2 Menthol). No drug interventions other Not Available completed NCT00273806
A Medical Assistant-Based Program to Promote Healthy Behaviors in Primary Care No drug interventions prevention Not Available completed NCT01065506
Smoking Termination Enhancement Project (STEP) treatment 3 completed NCT05471349
Message Testing in Older Adult Smokers No drug interventions treatment Not Available completed NCT06055036
Black Impact: The Mechanisms Underlying Psychosocial Stress Reduction in a Cardiovascular Health Intervention No drug interventions prevention Not Available recruiting NCT00317213
Smoking Cessation Assistance With LIBERTAL, A Phospholipid Mixture No drug interventions treatment 2 completed NCT04979013
BRP1802 Smoking Abstinence Study No drug interventions other Not Available completed NCT02840513
Smartphone App and CO Self-monitoring for Smoking Cessation No drug interventions treatment 4 terminated NCT00018213
Naltrexone and Patch for Smokers treatment Not Available completed NCT00828113
Long-term Varenicline Treatment for Smoking Cessation treatment 4 completed NCT04765813
Use of a Smartphone Application (App) to Assist a Cognitive-Behavioral Smoking Cessation Treatment No drug interventions treatment Not Available completed NCT00181818
Bupropion for Hospitalized Smokers With Acute Cardiovascular Disease treatment 4 completed NCT00547118
The Effects of Rimonabant, on Weight and Metabolic Risk Factors treatment 2 terminated NCT01578018
Tumor Markers in Lung Cancer: DCAMLK-1LK-1 No drug interventions diagnostic Not Available completed NCT01188018
Testing Counseling Styles to Motivate Smokers to Quit No drug interventions prevention 3 completed NCT00935818
Varenicline and Bupropion for Smoking Cessation treatment 2 / 3 completed NCT02058719
Immunosuppressive Effects of Smoking and HIV-1 on the Development of Lung Disease No drug interventions Not Available Not Available completed NCT03206619
A Health Recommeder System to Tailor Message Preferences in a Smoking Cessation Programme No drug interventions Not Available Not Available completed NCT02581319
Clinical Conditions and Prevalence of Periodontopathogens in Smokers and Non-smokers After Periodontal Therapy No drug interventions treatment Not Available unknown_status NCT01702519
A Pharmacokinetic Evaluation of Two Nicotine Patches in Smokers Not Available 1 completed NCT01278719
The Factors Associated With the Formation of Nasal polyp-a Case Control and Descriptive Study No drug interventions Not Available Not Available unknown_status NCT01974219
HIV-related Accelerated Aging of the Airway Epithelium No drug interventions Not Available Not Available completed NCT00224419
Testing Pharmacological Therapies for Pregnant Smokers treatment 4 terminated NCT03308019
Adjunct Photodynamic Therapy in Chronic Periodontitis Among Cigarette-smokers. No drug interventions treatment Not Available completed NCT03219541
Feasibility and Acceptability of a Text Messaging Intervention to Increase Smoking Cessation in Vietnam No drug interventions treatment Not Available completed NCT01337817
A Pilot Study to Evaluate the Efficacy and Safety of Ariva® Silver Wintergreen in Healthy Smokers No drug interventions Not Available 1 completed NCT00642317
Asian Youth and Tobacco Control Survey No drug interventions Not Available Not Available completed NCT00299117
Brief Smoking Intervention for Women Undergoing Breast Cancer Surgery No drug interventions prevention Not Available completed NCT05651334
Transcranial Magnetic Stimulation in Smokers: an Examination of Mediating Neural Pathways. No drug interventions treatment 2 completed NCT04200534
Centralized Lung Cancer EARly Detection Among Smokers (CLEAR Study) health_services_research 0 recruiting NCT01510834
Computerized Tailored Intervention for Behavioral Sequelae of PTSD in Veterans No drug interventions health_services_research Not Available completed NCT03380234
A Cluster-RCT of SHS Among Primary School Students No drug interventions prevention Not Available completed NCT01237834
Physiological Responses in Tobacco Chippers No drug interventions Not Available Not Available completed NCT01458834
Attentional Training for Smoking Cessation Via Handheld Device or Personal Computer No drug interventions treatment Not Available unknown_status NCT03104634
The Effects of Inhaled Aclidinium Bromide/Formoterol Fumarate on Inspiratory Pleural Pressures in Smokers treatment 3 completed NCT01326234
Computer-Based Program to Facilitate Readiness and Motivation for Smoking Cessation No drug interventions treatment Not Available withdrawn NCT04308434
CSD190601: A Study to Determine Subject Puffing Patterns of Electronic Nicotine Delivery Systems in an Ambulatory Setting No drug interventions other Not Available completed NCT01522924
Tobacco Dependence Treatment Education for Dental Students No drug interventions prevention Not Available completed NCT05745324
The Effect of Scaling and Root Planing on Oral Inflammatory Biomarkers Among E-cig Users and Non-smokers No drug interventions treatment Not Available completed NCT06105424
BRP1602: Evaluation of Technical and Logistical Feasibility to Measure Lung Permeability No drug interventions diagnostic Not Available completed NCT02228824
Very-Low Nicotine Cigarettes and Non-Daily Smokers basic_science Not Available completed NCT06357416
The Man Van Project No drug interventions diagnostic Not Available recruiting NCT01336816
A Pilot Study to Evaluate the Efficacy of Ariva® Silver Wintergreen, a Smoking Aversive Lozenge No drug interventions Not Available 1 completed NCT01420016
Prioritized Clinical Decision Support (CDS) to Reduce Cardiovascular Risk No drug interventions health_services_research Not Available completed NCT00384696
Risk Perception Among Quitting Smokers Not Available Not Available unknown_status NCT00592696
TRIAD Project: Qualitative Study of Adolescent Depression and Smoking No drug interventions Not Available Not Available completed NCT01602796
Effectiveness of Intervention on Reducing the Prevalence of Smoking Among Adolescents No drug interventions prevention Not Available completed NCT00701896
Smoking Cessation Using Motivational Therapy and Varenicline treatment Not Available completed NCT01811758
Culturally Specific Interventions: African American Smokers No drug interventions treatment 1 / 2 completed NCT06291558
Exercise Training for Smoking Students No drug interventions prevention Not Available recruiting NCT02002858
Smoking Cessation for Depression and Anxiety Treatment treatment 1 completed NCT02056158
HIV+ Alveolar Macrophage Oxidant-mediated Apoptosis of Pulmonary Endothelium No drug interventions Not Available Not Available completed NCT03687658
Applying Novel Technologies and Methods to Self-Regulation: Behavior Change Tools for Smoking and Binge Eating No drug interventions basic_science Not Available completed NCT04722835
Lung Macrophage Populations and Functions in Chronic Obstructive Pulmonary Disease (COPD)-Susceptible Smokers No drug interventions Not Available Not Available unknown_status NCT00109135
A Study to Investigate a Research Drug as an Aid for Smoking Cessation in Chronic Cigarette Smokers (0364-007) treatment 2 completed NCT04094363
CSD190202: Study to Assess Elements of Abuse Liability for Two Electronic Nicotine Delivery Systems No drug interventions other Not Available completed NCT04874363
The Effects of Smoking on Mortality in Patients With Acute Respiratory Syndrome Coronavirus 2 Infection No drug interventions Not Available Not Available completed NCT00957463
Effects of Obstructive Sleep Apnea and/or Cigarette Smoking on Endothelial Function No drug interventions Not Available Not Available completed NCT03729063
Impact of Twice-daily Measurement of Expired CO During Hospitalization on Smoking No drug interventions treatment Not Available terminated NCT01974063
Alternate Nicotine Delivery Systems and Airway Epithelial Biology No drug interventions Not Available Not Available terminated NCT01509586
A Test of Short and Long Term Naturalistic Outcomes of Smokers Who Sample Smokeless Tobacco No drug interventions other Not Available completed NCT00906386
Methadone Maintenance Treatment and Smoking Cessation treatment 2 unknown_status NCT05790486
Take A Break - Rural No drug interventions prevention Not Available recruiting NCT02701686
A Comparison of the Effectiveness of Two Approaches in Achieving Smoking Abstinence No drug interventions treatment Not Available completed NCT01116986
Identifying Optimal Smoking Cessation Intervention Components (Cessation) treatment 4 completed NCT03857139
Opioids and Smoking Cessation treatment 4 withdrawn NCT05118139
CSD201203: A Study to Determine Subject Puffing Patterns of a Non-cylindrical, Closed, Electronic Nicotine Delivery System at Three Nicotine Concentrations in an Ambulatory Setting No drug interventions other Not Available unknown_status NCT03539939
The Role of Smoking and Gingival Crevicular Fluid Markers on Coronally Advanced Flap Outcomes No drug interventions treatment Not Available completed NCT00846339
PET Imaging Study on Occupancy of Dopamine D2 Receptors and Genotypes After Bupropion Administration treatment 4 completed NCT00683839
Tobacco Cessation Via Public Health Dental Clinics No drug interventions treatment 2 completed NCT01072422
Smoking Cessation in Primary Health Care Patients With Obstructive Pulmonary Disease No drug interventions treatment Not Available completed NCT05307822
CSD210903: A Study to Determine Subject Puffing Patterns of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in an Ambulatory Setting No drug interventions other Not Available completed NCT06528522
Impact of Smoking on Salivary Interleukin (IL)-39, IL-41, IL-1β, TNF-α Levels in Periodontal Disease No drug interventions Not Available Not Available not_yet_recruiting NCT02752022
Monitoring the Transition From Smoking to E-cigarettes No drug interventions Not Available Not Available unknown_status NCT04101422
Utilizing Augmented Reality as an Adjunct for Smoking Cessation No drug interventions prevention Not Available completed NCT06070922
LDCT Chest In Assessment Of Apparently Healthy Smokers No drug interventions Not Available Not Available not_yet_recruiting NCT00773422
The Effect of Naltrexone and Varenicline on Alcohol-Mediated Smoking Lapse treatment 2 completed NCT01789125
Smoking Termination / Anxiety Reduction Treatment (ST/ART) treatment 1 completed NCT02358330
Project 1: Evaluating EHR-Based Health System Modifications for the Chronic Care of Smoking No drug interventions Not Available Not Available completed NCT02211430
Smoking Cessation for Low-Income Pregnant Women No drug interventions treatment Not Available completed NCT01047930
The Effect of Exercise on Acute Nicotine Withdrawal No drug interventions basic_science Not Available completed NCT02428530
Partner Involvement During Pregnancy and Its Association With Maternal Health Behaviors No drug interventions Not Available Not Available completed NCT00012948
Centralized Telephone Outreach to Assist Smoking Cessation Among Veterans No drug interventions Not Available 4 completed NCT05281848
Effect of Smoking and Periodontal Therapy on Salivary and Gingival Crevicular IL-17 and IL-35 No drug interventions treatment Not Available completed NCT00018148
Combined Nortriptyline and Transdermal Nicotine for Smoking Cessation treatment 2 completed NCT04789057
Atorvastatin Effect on Reduction of COPD Exacerbations treatment 4 recruiting NCT03126357
CSD170401: Study to Assess Elements of Abuse Liability for Three Electronic Tobacco Vapor Products During an 11-Day In-Clinic Confinement No drug interventions other Not Available completed NCT05129657
CSD201001: Study to Assess Elements of Abuse Liability for Three Nicotine Pouches No drug interventions other Not Available completed NCT02341326
Defective FGFR2 Signaling in the Small Airway Basal Progenitor Cells in COPD No drug interventions Not Available Not Available active_not_recruiting NCT01056926
Neurobiology of Nicotine and Non-nicotine Components of Tobacco Addiction health_services_research 1 completed NCT01904526
PK/PD Comparison of Guanfacine ER and IR other 2 completed NCT05050266
Enhancing Mental and Physical Health of Women Veterans No drug interventions health_services_research Not Available recruiting NCT05030766
Testing Integrative Smoking Cessation for HIV Patients other 4 recruiting NCT00519766
Examining a New Biomarker of Nicotine Use Among Pregnant Women Who Participated in the New England SCRIPT No drug interventions Not Available Not Available completed NCT03901066
Smoking Dependence and Periodontitis No drug interventions Not Available Not Available completed NCT05484765
Effects of Smoking on Oral Tissue Samples No drug interventions Not Available Not Available completed NCT00018174
Fluoxetine as a Quit Smoking Aid for Depression-Prone Smokers treatment 3 completed NCT04605874
Cigar Packaging Study No drug interventions other Not Available completed NCT03656874
Engaging Patients in Tobacco Cessation Resources in Dental Settings No drug interventions health_services_research Not Available completed NCT05627674
Precision Prevention Strategy to Increase Uptake and Engagement in Lung Cancer Screening and Smoking Cessation Treatment No drug interventions prevention Not Available enrolling_by_invitation NCT05184920
CSD201004: An Actual Use Study of P10 and P13 Nicotine Pouches Among U.S. Adult Smokers No drug interventions Not Available Not Available completed NCT00631020
Youth Smoking Cessation: Therapy +/- "The Patch" No drug interventions treatment Not Available completed NCT01525420
Improving Smoking Cessation Quitlines: Pilot Study of Acceptance Therapy No drug interventions treatment Not Available completed NCT03405220
Testing a Self-affirmation Intervention for Use in a Mobile Application No drug interventions prevention Not Available unknown_status NCT02750020
Policy-related Survey on Tobacco Control No drug interventions Not Available Not Available completed NCT00586482
Pilot Study: Preoperative Nicotine Lozenges treatment 4 completed NCT04238182
Short Term Effect of Interscapular Cupping on Chest Expansion in Sedentary Male Smokers No drug interventions supportive_care Not Available unknown_status NCT02875782
Brief Intervention to Promote Smoking Cessation in DM Smokers No drug interventions treatment Not Available completed NCT06580431
Trimethylamine N-oxide (TMAO) Levels in Periodontal Disease No drug interventions prevention Not Available completed NCT03308331
HIV-1 and Brain Interaction on Smoking Comorbidity No drug interventions basic_science Not Available withdrawn NCT03819231
Mindfulness Training Plus Oxytocin Effects on Smoking Behavior basic_science 2 / 3 terminated NCT01328431
Treating Low-Income Smokers in the Hospital Emergency Department No drug interventions treatment Not Available completed NCT04737031
Improving Tobacco Treatment Rates for Outpatient Cancer Patients Who Smoke No drug interventions prevention Not Available completed NCT01028131
Computer-Assisted Intervention for Smoking During Pregnancy No drug interventions treatment 2 completed NCT06326073
Interaction Between Smoking, GCF Periostin, IL17A, IL17E and Non-surgical Periodontal Therapy No drug interventions diagnostic Not Available completed NCT02600273
Novel Approaches to Reducing Tobacco Related Harm No drug interventions other Not Available completed NCT01153373
Dynamic Assessment and Referral System - Evaluation No drug interventions supportive_care 2 completed NCT06575673
An Internet-based Dialectical Behaviour Therapy-informed Skills Training for Reducing Alcohol Consumption and Improving Psychological Distress of Adult Smokers. No drug interventions supportive_care Not Available not_yet_recruiting NCT02779127
Impact of Ban on Smoking in Pubs, Restaurants and Nightclubs on Endothelial Function in Workers No drug interventions health_services_research Not Available completed NCT03161327
Digital Ankle Brachial Index (ABI) as a Screening Tool in Detecting Peripheral Arterial Disease No drug interventions prevention Not Available completed NCT02810327
Alpha-1 Carrier Genomics Study No drug interventions Not Available Not Available completed NCT02606227
Financial Incentive for Smoking Cessation in Pregnancy No drug interventions treatment Not Available unknown_status NCT03191227
The Cork and Kerry Diabetes and Heart Disease Study (Phase II) Mitchelstown Cohort No drug interventions Not Available Not Available completed NCT04133376
Electronic Hookah and Endothelial Cell Function No drug interventions other Not Available completed NCT03534076
Predicting Sleep, Smoking, and Lung Health Disparities in African American Adults No drug interventions Not Available Not Available active_not_recruiting NCT02449460
Cardiovascular Epidemiology in Russian Federation No drug interventions Not Available Not Available unknown_status NCT00265460
Smoking Cessation in Groups and With Tobacco Pastils No drug interventions treatment 2 completed NCT01969760
Pilot-Testing a Family-Based Intervention to Improve Child Outcomes and Increase Family Activity No drug interventions prevention Not Available completed NCT03259360
A Facebook Intervention for Young Sexual and Gender Minority Smokers No drug interventions treatment Not Available completed NCT01399060
Cough Sensitivity and Taste Preferences No drug interventions Not Available Not Available completed NCT02494960
Brief Tobacco Cessation Intervention No drug interventions health_services_research Not Available completed NCT02866760
Helping In-patients to Quit Smoking by Understanding Their Risk Perception, Behavior, and Attitudes Related to Smoking No drug interventions Not Available Not Available completed NCT01639560
Varenicline for Light Smokers treatment 4 completed NCT05852860
A Patient-Oriented Research Mentoring Program in Tobacco Dependence and Implementation Science Research No drug interventions prevention Not Available enrolling_by_invitation NCT02713594
Wisconsin Tobacco Quit Line Medicaid Incentive Evaluation No drug interventions health_services_research Not Available completed NCT02597491
Program on Lung Cancer Screening and Tobacco Cessation No drug interventions treatment Not Available completed NCT01877291
Young Smokers Have Impaired Airway Defense No drug interventions Not Available Not Available completed NCT01465880
Smoking Research Study No drug interventions basic_science Not Available completed NCT01974180
Smoking-induced EGF-dependent Reprogramming of Airway Basal Cell Function No drug interventions Not Available Not Available terminated NCT02506829
Financial Incentives for Smoking Treatment No drug interventions prevention Not Available completed NCT01429129
Randomized Controlled Trial of Mailed Nicotine Replacement Therapy to Canadian Smokers treatment 4 completed NCT04711629
Clinical Features of Smoker Patients With Chronic Obstructive Pulmonary Disease No drug interventions supportive_care Not Available unknown_status NCT04462289
Electronic Proactive Outreach for Smokers With COPD No drug interventions health_services_research Not Available active_not_recruiting NCT03455192
Synbiotic as an Adjunct to Mechanical Treatment of Gingivitis treatment Not Available completed NCT00181792
Family Risk Analysis of Substance Use in Attention Deficit Hyperactivity Disorder (ADHD) Youth Treated With Concerta No drug interventions Not Available Not Available completed NCT03700892
In-vivo Effects of E-cigarette Aerosol on Innate Lung Host Defense No drug interventions basic_science Not Available terminated NCT03553992
An Extended Facebook Intervention for Young Sexual and Gender Minority Smokers No drug interventions treatment Not Available completed NCT04605744
Peri-procedural Smoking Cessation Program in Patients With Chronic Pain No drug interventions other Not Available terminated NCT00000444
Timing of Smoking Intervention in Alcohol Treatment (Nicotine Patch) treatment 4 completed NCT02590640
Insular Inhibitory Neuromodulation to Reduce Cigarette Craving and Alter Brain Function in Smokers No drug interventions basic_science Not Available completed NCT00549640
Testing Methylphenidate for Smoking Abstinence treatment 2 completed NCT02026440
Evaluation of An Oral Fluid Collection Device No drug interventions Not Available Not Available unknown_status NCT03020667
Japanese Post-Market Cohort Study No drug interventions Not Available Not Available unknown_status NCT02836067
Impact of Smoking and Its Cessation on Systemic and Airway Immune Activation No drug interventions basic_science Not Available completed NCT00635401
A Study of the Efficacy and Safety of Varenicline in Japanese Smokers Motivated to Quit Smoking treatment 2 completed NCT02521701
Safety and Efficacity of NFL101 as Tobacco Therapy No drug interventions treatment 1 completed NCT02359201
Assessment of V0018 1.5 mg Effect on Craving treatment 2 completed NCT02897401
Determination of Carcinogens Nicotine in Electronic Cigarettes Users No drug interventions prevention Not Available unknown_status NCT03105804
CSD170301: An Unblinded, Parallel, Randomized Study to Assess Nicotine Uptake in Smokers From Four Different Electronic Cigarettes No drug interventions other Not Available completed NCT03837704
Comparison of Abdominal Aortic Aneurysm Growth in Adult Smoking Patients Who Either Switch to IQOS, Continue Smoking, or Quit Smoking. No drug interventions basic_science Not Available completed NCT04226404
CSD190501: A Study to Determine Subject Puffing Patterns of an Electronic Nicotine Delivery System in an Ambulatory Setting No drug interventions other Not Available completed NCT00664404
Genetic Differences in Limbic Activation Associated With Nicotine Withdrawal No drug interventions basic_science 3 completed NCT03528304
Native Women's Wellness: Contingency Management for Tobacco Cessation and Weight Loss No drug interventions prevention Not Available completed NCT03637972
COMET2 Project 1 Filter Ventilation Study No drug interventions prevention 3 completed NCT06055972
Impact of Patient-Centered Approach for Communicating Coronary Calcium on Cardiovascular Health No drug interventions prevention Not Available recruiting NCT02354872
Motivation Project: Testing Intervention Components for the Smoker Who is Unwilling to Quit treatment 4 completed NCT01193972
Decision Aid Development for Smokers No drug interventions health_services_research 1 completed NCT04237272
JUUL vs. Mod E-cigarette Study No drug interventions prevention Not Available completed NCT01123668
Neuroimaging of Smokers With and Without Attention Deficit Hyperactivity Disorder (ADHD) No drug interventions Not Available Not Available completed NCT00112268
Quitlink : A Leveraging Solution to Tobacco Counseling No drug interventions educational_counseling_training 3 completed NCT01689168
Chiropractic Treatment With Counseling Versus Counseling Alone for Promoting Smoking Cessation No drug interventions treatment 1 terminated NCT05336669
Coagulation Profile in Patients Undergoing Coronary Angiography and Percutaneous Coronary Intervention No drug interventions Not Available Not Available unknown_status NCT05154669
Integrating Financial Coaching and Smoking Cessation Coaching treatment 3 recruiting NCT01746069
Effectiveness of Messages to Mobile Phone in Smoke Cessation No drug interventions treatment Not Available completed NCT01862146
Arterial Remodeling in Smokers No drug interventions Not Available Not Available completed NCT00129246
Low-Dose Naltrexone Combined With Bupropion to Stop Smoking With Less Weight Gain treatment 1 / 2 completed NCT01730846
Does Doxazosin Attenuate Stress-induced Smoking and Improve Clinical Outcomes? treatment 2 completed NCT02664012
Comparison of Nicotine Plasma Concentrations and Subjective Effects for Three Menthol Electronic Cigarettes vs Combustible Menthol Cigarettes and Nicotine Gum No drug interventions other Not Available completed NCT01399112
A Usability Study of a Smoking Cessation Decision Aid in People With a Recent First Episode of Psychosis No drug interventions health_services_research Not Available completed NCT01347112
Varenicline Treatment for Active Alcoholic Smokers treatment 2 / 3 completed NCT01789710
Contingency Management for Smoking Cessation in Homeless Smokers treatment Not Available completed NCT01156610
Tobacco Treatment Outreach to Reduce Disparities for Primary Care Populations No drug interventions health_services_research Not Available completed NCT03234010
CSD170303: Study to Assess Nicotine Uptake in Smokers From Electronic Cigarettes No drug interventions other Not Available completed NCT02681510
UW-CTRI Triple Medication Smoking Cessation Study treatment 4 completed NCT02565381
A Pilot Randomized Controlled Trial of Financial Incentives, Text Messaging, and Usual Care for Homeless Smokers treatment Not Available completed NCT00104481
Group Counseling for Smoking Cessation No drug interventions treatment 1 / 2 completed NCT00991081
Behaviorally Enhanced Counseling on Nicotine Dependence (BEACON) Trial. treatment 4 completed NCT01737281
Proactive Outreach for Smokers in VA Mental Health No drug interventions treatment Not Available completed NCT00326781
Bio-Behavioral Predictors of the Efficacy of Nicotine Replacement Therapy (NRT) treatment 4 completed NCT05126381
Population Pharmacokinetic - Pharmacodynamic Models of Chronic Disease Therapeutics for Smokers No drug interventions Not Available Not Available recruiting NCT02844595
Behavioural Activation Treatment for Smoking Cessation and Depressive Symptomatology: a Randomized Controlled Trial No drug interventions treatment Not Available completed NCT02955095
Usability and Pilot Testing - Intervention for Smoking Cessation No drug interventions treatment Not Available withdrawn NCT03272295
A Nicotine Pharmacokinetics and Smoking Behaviour Study Examining Cigarette Ingredients No drug interventions other Not Available completed NCT00670514
Smoking Cessation in a Dentistry Setting No drug interventions Not Available Not Available completed NCT01780714
Exploratory THS 2.1 Biomarkers of Exposure Study No drug interventions other Not Available completed NCT01451814
Development of Positive Psychotherapy for Smoking Cessation treatment 2 completed NCT02246114
Self-Monitoring of Carbon Monoxide to Enhance Reproductive Outcomes in Women No drug interventions treatment Not Available terminated NCT02269514
Comparison of Nicotine Plasma Concentrations and Subjective Effects for Three Electronic Cigarettes vs Combustible Cigarettes and Nicotine Gum No drug interventions other Not Available completed NCT04645914
Influence of the Consumption of Conventional and Electric Cigarettes on Skin Circulation No drug interventions basic_science Not Available unknown_status NCT02168855
Cessation in Non-Daily Smokers treatment Not Available completed NCT00989755
Center for Disease Control (CDC) Fax to Quit/Academic Detailing Grant No drug interventions health_services_research Not Available completed NCT04525755
STARS (Smoking Treatment And Remote Sampling) Study prevention 1 / 2 recruiting NCT01014455
Monitoring of Exhaled Carbon Monoxide to Promote Pre-operative Smoking Cessation No drug interventions treatment Not Available completed NCT02371850
Transdermal Patch CVD 1000: The Effect of Heat on Nicotine Release From Nicotine Patches in Adult Smokers basic_science 4 completed NCT03093623
The Effect of Physical Activity and Abstain From Smoking on the Precancerous Lesion No drug interventions prevention Not Available unknown_status NCT02247908
Impact of Graphic Cigarette Warnings No drug interventions prevention Not Available completed NCT00200408
Assessment of Early Genetic Changes in Smokers No drug interventions Not Available Not Available terminated NCT02021708
Effect of Shisha Smoking on the Biology of the Airway Epithelium in Qatar No drug interventions Not Available Not Available completed NCT01506908
Provoked Craving Assessment treatment 2 completed NCT05076708
The Effects of IQOS Use on Cigarette Smoking Behaviors No drug interventions basic_science 0 active_not_recruiting NCT02323438
Assess Biomarkers of Tobacco Exposure and Nicotine Pharmacokinetics in Smokers After a 5-Day In-Clinic Confinement Switch to an Electronic Cigarette or Nicotine Gum No drug interventions basic_science Not Available completed NCT02500238
Comparison of Smoking and Vaping in Families No drug interventions Not Available Not Available completed NCT03512938
Effects of Smoking on Non-surgical Periodontal Therapy in Generalized Aggressive Periodontitis No drug interventions treatment Not Available completed NCT02173938
Novel Psychosocial Influences on Smoking Cessation No drug interventions Not Available Not Available completed NCT02190643
Improving Nicotine Patch Adherence Among Latino HIV-Positive Smokers No drug interventions treatment Not Available completed NCT00917943
Preventing Postpartum Return to Smoking No drug interventions prevention Not Available completed NCT01947725
Behavioral Activation for Smoking Cessation in Veterans With PTSD treatment Not Available recruiting NCT01978197
Evaluation of Cessation Preferences of Menthol Smokers treatment 4 completed