NCT05611203
Should Palatine Tonsils be Included in the Oropharyngeal Swab for SARS-CoV-2 Molecular Testing? No drug interventions diagnostic Not Available recruiting NCT05062603
Lung Ultrasound Changes in Covid 19 Patients Discharged From Hospital No drug interventions Not Available Not Available completed NCT04421664
Preemptive Therapy for SARS-Coronavirus-2 (COVID-19 PEP Canada) treatment 3 terminated NCT04779021
Caracterisation of COVID-19 Patients Hospitalized in Infectious Disease Department No drug interventions Not Available Not Available unknown_status NCT04611802
A Study to Evaluate the Efficacy, Immune Response, and Safety of a COVID-19 Vaccine in Adults ≥ 18 Years With a Pediatric Expansion in Adolescents (12 to<18 Years) at Risk for SARS-CoV-2 prevention 3 completed NCT04834102
COVID-19 Induced Telogen Effluvium No drug interventions Not Available Not Available unknown_status NCT04311177
Losartan for Patients With COVID-19 Not Requiring Hospitalization treatment 2 completed NCT04590547
GLS-1027 for the Prevention of Severe Pneumonitis Caused by SARS-CoV-2 Infection (COVID-19) No drug interventions treatment 2 active_not_recruiting NCT04842747
VERU-111 in the Treatment of SARS-Cov-2 Infection by Assessing Its Effect on the Proportion of Patients Who Die on Study treatment 3 completed NCT04789447
Initial CT Findings and CO-RADS Stage in COVID-19 No drug interventions Not Available Not Available completed NCT03944447
Outcomes Mandate National Integration With Cannabis as Medicine treatment 2 recruiting NCT04565197
Convalescent Plasma Therapy for COVID-19 Patients treatment 0 unknown_status NCT04793997
Microbiome Therapy in Covid-19 Primary Care Support No drug interventions treatment Not Available suspended NCT04530461
Serologic Profile of SARS CoV2 in COVID-19 Patients With Systemic Diseases No drug interventions Not Available Not Available unknown_status NCT04324528
Cytokine Adsorption in Severe COVID-19 Pneumonia Requiring Extracorporeal Membrane Oxygenation No drug interventions treatment Not Available completed NCT04699578
COVID-19 Infection and Fetal-neonatal Outcomes No drug interventions Not Available Not Available unknown_status NCT04544878
Pediatric Intensive Care and COVID-19 No drug interventions Not Available Not Available unknown_status NCT04420988
Investigational COVID-19 Convalescent Plasma Infusion for Severely or Life-threateningly Ill COVID-19 Patients Not Available Not Available no_longer_available NCT05000307
Co-Sér: Serological Analysis and Viral Neutralization in People With a Documented COVID-19 Infection No drug interventions basic_science Not Available completed NCT04715607
COVID-19: SARS-CoV-2 Detection in Saliva, Oropharyngeal and Nasopharyngeal Specimens No drug interventions diagnostic Not Available completed NCT04540185
A Phase 3 Randomized Double Blind Efficacy and Safety Study of Oral Polio Vaccine and NA-831 for Covid-19 prevention 3 unknown_status NCT04841785
RECOVAC - Long Term Efficacy and Safety of COVID-19 (SARS-CoV-2) Vaccination in Kidney Disease Patients No drug interventions Not Available Not Available completed NCT04542915
COVID-19-Related Health and Practices Among Dental Hygienists No drug interventions Not Available Not Available completed NCT04506515
Psychological Impact of COVID-19 Pandemic in Healthcare Workers No drug interventions Not Available Not Available completed NCT04885452
Prevention of COVID-19 Complications in High-risk Subjects Infected by SARS-CoV-2 and Eligible for Treatment Under a Cohort ATU ('Autorisation Temporaire d'Utilisation') OR or Authorisation for Early Access (AAP). A Prospectvie Cohort. No drug interventions Not Available Not Available unknown_status NCT05067400
SARS-CoV-2 (COVID-19) Antibody PrevalencE in an Adult London HIV Cohort No drug interventions Not Available Not Available completed NCT04895475
Antibody Detection of Vaccine-Induced Secretory Effects No drug interventions Not Available Not Available active_not_recruiting NCT04597775
Chemoprevention Clinical Trial of COVID-19: Hydroxychloroquine Post Exposure Prophylaxis prevention 2 / 3 unknown_status NCT04384042
Malaysian COVID-19 Anosmia Study (Phase 2) - A Nationwide Multicentre Case-Control Study No drug interventions Not Available Not Available unknown_status NCT04730206
The DAWN Antivirals Trial for Ambulatory COVID-19 Patients treatment 3 terminated NCT04739449
'4C' Intervention to Reduce SARS-CoV-2 (Covid-19) Transmission No drug interventions health_services_research Not Available withdrawn NCT04656613
A Phase III Clinical Trial of the Immunogenicity and Safety of the Gam-COVID-Vac Vaccine Against COVID-19 in the UAE prevention 3 unknown_status NCT04559113
Methylprednisolone in COVID-19 Patients (Methyl19LGH) treatment Not Available unknown_status NCT04839913
Seroprevalence of SARS-CoV-2 in Unselected Surgical Patients: an Unicentric, Regional Study No drug interventions Not Available Not Available completed NCT04516941
CorONa Virus edoxabaN ColchicinE (CONVINCE) COVID-19 treatment 3 terminated NCT04961541
Evaluation of the Safety and Immunogenicity of Influenza and COVID-19 Combination Vaccine prevention 1 / 2 completed NCT04374617
Risk of Venous Thromboembolism in Critically Ill Patients With Severe COVID-19 No drug interventions Not Available Not Available completed NCT04573634
A Registry Study of COVID-19 Serologic and Virologic Testing to Accelerate Recovery and Transition No drug interventions Not Available Not Available withdrawn NCT04815096
Imaging Immune Activation in COVID-19 No drug interventions basic_science 0 recruiting NCT04812496
Tenofovir-DF Versus Hydroxychloroquine in the Treatment of Hospitalized Patients With COVID-19 (TEDHICOV) No drug interventions Not Available Not Available completed NCT04699058
COVID-19 Sero-prevalence Health Care Workers Kinshasa No drug interventions Not Available Not Available completed NCT04606563
Host Response Mediators in Coronavirus (COVID-19) Infection - Is There a Protective Effect of Losartan and Other ARBs on Outcomes of Coronavirus Infection? treatment 3 terminated NCT04561063
COVID-19 Prophylaxis South Africa (COVER HCW) prevention 2 completed NCT04659486
Adolescents With COVID-19/MIS-C at HCFMUSP No drug interventions treatment Not Available unknown_status NCT04482686
Trial of Combination Therapy to Treat COVID-19 Infection treatment 1 unknown_status NCT04668339
A Trial Evaluating the Safety and Effects of an RNA Vaccine ARCT-021 in Healthy Adults No drug interventions prevention 2 terminated NCT04747522
Severe Acute Respiratory Syndrome Corona Virus 2 (SARS-CoV-2) Immune Kidney Transplant Study (COVID-19) No drug interventions Not Available Not Available active_not_recruiting NCT04733625
The Effect of Vitamin D Therapy on Morbidity and Moratlity in Patients With SARS-CoV 2 Infection treatment Not Available completed NCT04714125
Prognostic Value of Flow-mediated Dilation in Hospitalized COVID-19 Patients No drug interventions Not Available Not Available unknown_status NCT04560257
High Flow Nasal Cannula HFNC In Covid-19 Patients No drug interventions treatment Not Available unknown_status NCT04530357
Reactogenicity, Safety and Immunogenicity of QazCovid-in® COVID-19 Vaccine prevention 1 / 2 completed NCT04340557
Do Angiotensin Receptor Blockers Mitigate Progression to Acute Respiratory Distress Syndrome With SARS-CoV-2 Infection prevention 4 completed NCT04889326
Collection of the Thrombo-VaxCov Cohort No drug interventions Not Available Not Available recruiting NCT04390165
Malaysian COVID-19 Anosmia Study (Phase 1) - A Nationwide Multicentre Cross-Sectional Study No drug interventions Not Available Not Available completed NCT04802382
Clinical Study Designed to Evaluate the Effect of CimetrA in Patients Diagnosed With COVID-19 No drug interventions treatment 3 unknown_status NCT04565782
Corona Virus Infection Among Liver Transplant Recipients No drug interventions Not Available Not Available unknown_status NCT04738331
Analysing the French COVID-19 Epidemic Using a National SARS-CoV-2 RT-PCR Database No drug interventions Not Available Not Available unknown_status NCT04443673
Glycine Supplement for Severe COVID-19 No drug interventions treatment Not Available terminated NCT04626076
International Registry of Healthcare Workers Exposed to COVID-19 Patients (UNITY Global) No drug interventions Not Available Not Available completed NCT04665960
Infection Control for Severe Acute Respiratory Syndrome Coronavirus 2 No drug interventions Not Available Not Available completed NCT04510194
COVID-OUT: Early Outpatient Treatment for SARS-CoV-2 Infection (COVID-19) treatment 3 completed NCT04475562
Can the Electronic Nose Smell COVID-19? No drug interventions diagnostic Not Available completed NCT04476680
Influence of Military Preventive Policy for reCruit Training on COVID-19 Seroconversion No drug interventions prevention Not Available unknown_status NCT04635592
Serological Diagnostics of COVID-19 in Health Care Workers No drug interventions Not Available Not Available unknown_status NCT04616001
IVIG in Patients With Severe COVID-19 Requiring Mechanical Ventilation treatment 4 unknown_status NCT04525404
MOIST Study: Multi-Organ Imaging With Serial Testing in COVID-19 Infected Patients No drug interventions Not Available Not Available completed NCT04544072
Analysis of the Quality and Quantity of Antibiotic Prescriptions for Bacterial Respiratory Tract Superinfection in Patients Hospitalized in COVID-19 Wards No drug interventions Not Available Not Available unknown_status NCT04308668
Post-exposure Prophylaxis / Preemptive Therapy for SARS-Coronavirus-2 treatment 3 completed NCT04443868
Nitric Oxide Releasing Solution to Treat and Prevent Exacerbation of Mild COVID-19 Infection treatment 2 withdrawn NCT04742712
A Feasibility Study Using the CoronaCheck Device to Identify Incident Cases of SARS CoV-2 Covid-19 No drug interventions Not Available Not Available completed NCT04725110
Direct Topical Lung T3 Treatment to Improve Outcome & Sequelae of COVID-19 Acute Respiratory Distress Syndrome No drug interventions treatment 2 not_yet_recruiting NCT04764981
Olfactory Training for Olfactory Dysfunction After Coronavirus Disease - 19 (COVID-19) No drug interventions treatment Not Available unknown_status NCT04490850
COVID-19 Seroprevalence Study in French Guiana No drug interventions prevention Not Available completed NCT04859023
Comparison of Strategies Based on RT-PCR or Antigenic Test for the Screening of SARS-CoV-2 Infection (COVID-19). No drug interventions other Not Available completed NCT04563208
Study of Oral Administration of Ribavirin and Nitazoxamide Versus Placebo in COVID-19 treatment 2 completed NCT04802408
SARS-Cov-2 (COVID-19) Nasal Pharyngeal and Oral Pharyngeal Wash (SNOW) Trial No drug interventions treatment 2 / 3 recruiting NCT04635943
Randomized Phase IIA Clinical Trial to Evaluate the Efficacy of Ivermectin to Obtain Negative PCR Results in Patients With Early Phase COVID-19 treatment 2 completed NCT04930003
Reactogenicity, Safety and Immunogenicity of QazCoVac-P COVID-19 Vaccine No drug interventions prevention 1 / 2 completed NCT04550390
Study of the Analytical Performance of Different Salivary Self-collection Methods for the Detection of COVID-19 No drug interventions Not Available Not Available completed NCT04707664
Sargramostim Use in COVID-19 to Recover Patient Health treatment 2 completed NCT04819802
MIcrovascular Dysfunction in CRitically Ill cOVID-19 Patients No drug interventions Not Available Not Available unknown_status NCT04540484
COVID-19 IgG Formation in Physicians at ALGH and Their Household Members No drug interventions Not Available Not Available completed NCT04552379
The Containing Coronavirus Disease 19 (COVID-19) Trial treatment 3 completed NCT05313087
COVID-19 Vaccine Response in Chronic Respiratory Conditions No drug interventions Not Available Not Available recruiting NCT04651387
Efficacy and Safety of Ozonised Oil (HOO) in COVID-19 Patients No drug interventions supportive_care Not Available withdrawn NCT04706533
Michigan Medicine COVID-19 Cohort: Clinical Characteristics, Inflammatory Markers and Outcomes of Patients Hospitalized for COVID-19 No drug interventions Not Available Not Available completed NCT04745533
COVID-19 Contact Study by Antigen Detection Test No drug interventions Not Available Not Available unknown_status NCT04672577
Infection Tracking in Travellers. The Project Aims to Identify Profiles of Travel-associated Illness and to Follow up on Long-term Sequelae of Arboviral Infections and Malaria No drug interventions Not Available Not Available not_yet_recruiting NCT04604145
Self-Collected Saliva Samples Without Viral Transport Media for COVID-19 Testing Via RT-PCR No drug interventions diagnostic Not Available completed NCT04384705
HDL Target of CoViD19 ? Analysis on the Caregivers of the Reunion University Hospital No drug interventions Not Available Not Available unknown_status NCT04560205
Tocilizumab in COVID-19 Lahore General Hospital treatment 1 unknown_status NCT04548505
Recovery of Exertion Ability Following COVID-19 Infection in Military Staff No drug interventions Not Available Not Available unknown_status NCT04473183
Epidemiologic Assessment of SARS-CoV-2 (COVID-19) Prevalence in Minnesota No drug interventions Not Available Not Available withdrawn NCT04730661
Efficacy of the Sit to Stand Test in the Decision to Hospitalize a Patient Consulting the Emergency Dept for COVID 19 No drug interventions screening Not Available unknown_status NCT04489628
Tele-health Enabled Clinical Trial for COVID-19 No drug interventions treatment 1 / 2 withdrawn NCT04516928
Study of SARS-CoV2 Virus (COVID-19) Seroprevalence Among Lyon-Bron Military Health Schools Personnel No drug interventions Not Available Not Available completed NCT04532411
COVID-19 Testing Sample Acquisition Throughput and Efficiency No drug interventions Not Available Not Available completed NCT04542993
Can SARS-CoV-2 Viral Load and COVID-19 Disease Severity be Reduced by Resveratrol-assisted Zinc Therapy No drug interventions supportive_care 2 terminated NCT04579471
Prevalence and Outcome of SARS-CoV-2 Infection & COVID-19 in Transplant Recipients: The COVITRA Study No drug interventions Not Available Not Available recruiting NCT04613271
Efficacy and Safety of Favipiravir in Covid-19 Patients in Indonesia treatment 3 completed NCT04528888
Steroids and Unfractionated Heparin in Critically Ill Patients With Pneumonia From COVID-19 Infection treatment 3 unknown_status NCT04479488
Brazilian Registry for Clinical Presentation of Individuals With COVID-19 (SARS-Brazil) No drug interventions Not Available Not Available completed NCT04605588
A Triple Combination Antiviral Coronavirus Therapy (TriACT) for COVID-19 treatment 2 terminated NCT04606407
Inhaled NO for the Treatment of Viral Pneumonia in Adults No drug interventions treatment Not Available completed NCT04468009
Treatment of Critically Ill Patients With Covid-19 With Convalescent Plasma treatment 2 completed NCT04756609
Systematic Offer of Nurse-Driven Screening for COVID-19 in Emergency Departments in the Paris Metropolitan Area, DEPIST-COVID No drug interventions screening Not Available completed NCT04659109
Glenzocimab in SARS-Cov-2 Acute Respiratory DistrEss syNdrome Related to COVID-19 treatment 2 completed NCT04312009
Losartan for Patients With COVID-19 Requiring Hospitalization treatment 2 completed NCT04750356
SARS-CoV-2 (COVID-19) Longitudinal Study: Understanding Susceptibility, Transmission and Disease Severity (Legacy Study) No drug interventions Not Available Not Available recruiting NCT04752085
Prognosis and Course of COVID-19 Infection in Hospitalised Patients No drug interventions Not Available Not Available completed NCT04341415
Impact of Auricular Vagus Nerve Neuromodulation on COVID-19 Positive Inpatients Outcome No drug interventions treatment Not Available terminated NCT04865237
SARS-CoV-2 Human Challenge Characterisation Study diagnostic Not Available completed NCT04760132
National Cohort Study of Effectiveness and Safety of SARS-CoV-2/COVID-19 Vaccines (ENFORCE) other 4 completed NCT04615052
Home-based Exercise in COVID-19 Survivors No drug interventions treatment Not Available unknown_status NCT04954352
Human Epidemiology of Newly Identified Arboviruses No drug interventions Not Available Not Available recruiting NCT04490200
Effectiveness of a Novel Respirator With Chitosan Nanoparticles No drug interventions prevention Not Available completed NCT04403100
Hydroxychloroquine and Lopinavir/ Ritonavir to Improve the Health of People With COVID-19: "The Hope Coalition - 1" treatment 3 unknown_status NCT04648800
Clinical Trial Evaluating the Effect of BCG Vaccination on the Incidence and Severity of SARS-CoV-2 Infections Among Healthcare Professionals During the COVID-19 Pandemic in Poland prevention 3 unknown_status NCT05234359
The CHILD Cohort COVID-19 Add-On Study No drug interventions Not Available Not Available completed NCT04475575
Can the Electronic Nose Smell COVID-19 Antibodies? No drug interventions diagnostic Not Available completed NCT04537299
COVID-FIS: Pilot in COVID-19 (SARS-CoV-2) of Fisetin in Older Adults in Nursing Homes treatment 2 active_not_recruiting NCT04821999
Diode Laser 940 nm in Management of Loss of Taste Sensation No drug interventions treatment Not Available completed NCT04517136
Impact of Perceived Control on Operational Strain: a Study of COVID-19 Pandemic Caregivers and Military Personnel on Operational Missions No drug interventions Not Available Not Available unknown_status NCT04649918
Short and Medium-term Effects of Pulmonary Rehabilitation in Mild to Critical Post-acute COVID-19 No drug interventions Not Available Not Available completed NCT04816318
Policy Responses Against the COVID-19 Pandemic in Latin America No drug interventions Not Available Not Available unknown_status NCT04613817
Sero-prevalence COVID-19 Among Belgian Children No drug interventions Not Available Not Available completed NCT04916834
Impact of Severe Acute Respiratory Syndrome (SARS-CoV-2/COVID-19) Related Pneumonia on Lung Function and Structure. No drug interventions Not Available Not Available active_not_recruiting NCT04780334
Rapid Detection of COVID-19 by Portable and Connected Biosensor : Biological Proof of Concept No drug interventions Not Available Not Available unknown_status NCT04853134
Proxalutamide Treatment for COVID-19 Female Outpatients treatment 3 withdrawn NCT04321616
The Efficacy of Different Anti-viral Drugs in COVID 19 Infected Patients treatment 2 / 3 unknown_status NCT04514016
Cross Sectional CFAR HIV/COVID-19 Study No drug interventions Not Available Not Available completed NCT05886816
Mitoquinone/Mitoquinol Mesylate as Oral and Safe Postexposure Prophylaxis for Covid-19 treatment 2 recruiting NCT04821986
Oral Manifestation in Patients With SARS-CoV2 Infection. No drug interventions Not Available Not Available completed NCT04494386
Umbilical Cord Lining Stem Cells (ULSC) in Patients With COVID-19 ARDS No drug interventions treatment 1 / 2 completed NCT04530539
The Effect of Melatonin and Vitamin C on COVID-19 No drug interventions supportive_care Not Available completed NCT04832022
Longitudinal Follow-up of Patients With Chronic Inflammatory Rheumatisms (CIRs) Vaccinated Against COVID-19 Compared to Patients Refusing Vaccination No drug interventions Not Available Not Available completed NCT04761822
COVID19 SARS Vaccinations: Systemic Allergic Reactions to SARS-CoV-2 Vaccinations treatment 2 completed NCT04517422
Efficacy of L. Plantarum and P. Acidilactici in Adults With SARS-CoV-2 and COVID-19 No drug interventions other Not Available completed NCT04705766
KIDney Injury in Times of COVID-19 (KIDCOV) No drug interventions Not Available Not Available recruiting NCT04397666
RT-PCR on Conjunctival Sample for the Detection of SARS-CoV-2 in Patients With Covid-19 No drug interventions other Not Available unknown_status NCT04652765
Camostat With Bicalutamide for COVID-19 treatment 1 terminated NCT04566965
Serology to COVID-19 for Recording Exposures and Evaluating Needs No drug interventions Not Available Not Available terminated NCT04880174
SARS-COV-2 Seroprevalence and Seroconversion Among Employees of the Universitair Ziekenhuis Brussel Following mRNA COVID-19 Vaccination No drug interventions diagnostic Not Available active_not_recruiting NCT04514874
Assessment of the Prevalence and the Impact of the COVID-19 Epidemic in the French Flight Crew in 2020 No drug interventions Not Available Not Available completed NCT04525820
High Dose Vitamin-D Substitution in Patients With COVID-19: a Randomized Controlled, Multi Center Study treatment Not Available completed NCT04751682
Safety and Immunogenicity of an Intranasal SARS-CoV-2 Vaccine (BBV154) for COVID-19 No drug interventions prevention 1 completed NCT04823182
Study of HEarT DiseAse and ImmuNiTy After COVID-19 in Ireland No drug interventions Not Available Not Available unknown_status NCT04560231
Remdesivir in COVID-19 Lahore General Hospital treatment 0 unknown_status NCT04490473
Turkish of the SARS-CoV-2 Anxiety Scale No drug interventions other Not Available unknown_status NCT04959773
Muscle Weakness in COVID-19 Patients No drug interventions Not Available Not Available completed NCT05065827
Lung Ultrasound Findings in Patients With COVID-19 in a UK ED No drug interventions Not Available Not Available completed NCT04323527
Chloroquine Diphosphate for the Treatment of Severe Acute Respiratory Syndrome Secondary to SARS-CoV2 treatment 2 completed NCT04546776
COVID-19 Persistence in Stool No drug interventions Not Available Not Available active_not_recruiting NCT04332991
Outcomes Related to COVID-19 Treated With Hydroxychloroquine Among In-patients With Symptomatic Disease treatment 3 completed NCT04817280
COVID-19 in Polish Ice Swimmers. No drug interventions Not Available Not Available completed NCT04367129
Electrocardiogram Analysis in COVID-19 Patients No drug interventions Not Available Not Available unknown_status NCT04343729
Methylprednisolone in the Treatment of Patients With Signs of Severe Acute Respiratory Syndrome in Covid-19 treatment 2 completed NCT04334629
LIBERATE Trial in COVID-19 treatment 4 withdrawn NCT04328129
Household Transmission Investigation Study for COVID-19 in Tropical Regions No drug interventions screening Not Available completed NCT04653844
RT-PCR Database Analysis for COVID-19 Infections and Re-infection No drug interventions Not Available Not Available unknown_status NCT04801667
Evaluate the Impact, Safety, Tolerability and Immunogenicity of the Coronavac Vaccine in Kidney Transplant Recipients health_services_research 4 unknown_status NCT04471701
Italian Web-based Cross-sectional Survey on COVID-19 No drug interventions Not Available Not Available completed NCT04327804
A Longitudinal Study of COVID-19 Positive Patients Testing Nasal Swabs and Collecting Blood Samples for Research No drug interventions Not Available Not Available completed NCT05218304
Baromètre Santé Adulte 2021-2022 No drug interventions other Not Available suspended NCT05063812
Performance of a Remote Monitoring Program for Patients Diagnosed With COVID-19 No drug interventions Not Available Not Available completed NCT04510012
Characterizing the Immune Response and Neuronal Damage in COVID-19 No drug interventions Not Available Not Available completed NCT04655612
Seroprevalence Study of CoV-2-SARS (COVID-19) Infection in Patients With Chronic Inflammatory Rheumatic Diseases No drug interventions Not Available Not Available completed NCT04641481
An Efficacy and Safety Clinical Trial of an Investigational COVID-19 Vaccine (BBV152) in Adult Volunteers prevention 3 unknown_status NCT04603755
Electrical Impedance Tomography: Collapse in Dependent Areas as a Predictor of Response to Prone Position Ventilation in COVID-19 Acute Respiratory Distress Syndrome No drug interventions Not Available Not Available completed NCT04342650
Chloroquine Diphosphate in the Prevention of SARS in Covid-19 Infection treatment 2 completed NCT04684550
Use of Hypochlorous Acid as Prophylaxis in Health Personnel at High Risk of Infection by SARS-CoV 2 (COVID19) prevention 2 / 3 withdrawn NCT04944823
Characterization Immunology, Biochemical and Lung Microbiome, Correlated With the Ventilation Associated Pneumonia (VAP) No drug interventions Not Available Not Available unknown_status NCT04691908
Immunogenicity, Efficacy and Safety of QazCovid-in® COVID-19 Vaccine prevention 3 completed NCT04623138
A Virtual Prospective Study Exploring Activity Trackers and COVID-19 Infections No drug interventions Not Available Not Available completed NCT03443102
Long-term Assessment of Organ Functions Among Survivors of Severe Acute Respiratory Syndrome No drug interventions Not Available Not Available unknown_status NCT04453384
Study to Evaluate the Safety and Efficacy of XAV-19 in Patients With COVID-19 Induced Moderate Pneumonia treatment 2 completed NCT04567927
Prevalence and Risk Factors for Venous Thromboembolic Events in Critically Ill Patients With COVID-19 No drug interventions Not Available Not Available completed NCT04527614
Influence of Prior Infection With COVID-19 on Occurrence of Influenza-like Illness or Acute Respiratory Infection No drug interventions diagnostic Not Available completed NCT04363047
Immune Cells in Inflammatory Arthritis With Coronaviruses, Including COVID-19 No drug interventions Not Available Not Available enrolling_by_invitation NCT00066209
Investigating Severe Acute Respiratory Syndrome (SARS) No drug interventions Not Available Not Available completed NCT04357613
IMATINIB IN COVID-19 DISEASE IN AGED PATIENTS. No drug interventions treatment 2 unknown_status NCT04381819
Norwegian SARS-CoV-2 Study - Virological, Clinical and Immunological Characterisation of COVID-19 No drug interventions Not Available Not Available unknown_status NCT04383535
Convalescent Plasma and Placebo for the Treatment of COVID-19 Severe Pneumonia No drug interventions treatment Not Available completed NCT00533741
SARS Coronavirus Vaccine (SARS-CoV) prevention 1 withdrawn NCT00523276
SARS Survivor Evaluations No drug interventions Not Available Not Available withdrawn NCT04384445
Zofin (Organicell Flow) for Patients With COVID-19 treatment 1 / 2 completed NCT04306705
Tocilizumab vs CRRT in Management of Cytokine Release Syndrome (CRS) in COVID-19 Not Available Not Available unknown_status NCT00173459
Dynamic Profiles of Cytokine/Chemokine in Severe Acute Respiratory Syndrome No drug interventions Not Available Not Available completed NCT00342524
Collection of Convalescent SARS Plasma by Apheresis No drug interventions Not Available Not Available completed NCT04357860
Clinical Trial of Sarilumab in Adults With COVID-19 treatment 2 completed NCT04327479
Characterization of Cardiovascular Diseases and Risk Factors in Patients With Suspected SARS-CoV2/Covid-19 Infection No drug interventions Not Available Not Available completed NCT01376765
Phase I Dose Escalation SARS-CoV Recombinant S Protein, With and Without Adjuvant, Vaccine Study prevention 1 withdrawn NCT04353674
Modulation of Hyperinflammation in COVID-19 No drug interventions treatment Not Available completed NCT01699659
The Efficacy & Safety of the UAS Immunotherapy Protocol No drug interventions Not Available Not Available completed NCT01306721
Fexofenadine HCL - Pseudoephedrine HCL Combination Versus Allegra in Patients With Seasonal Allergic Rhinitis treatment 3 completed NCT01330017
Effects of Phenylephrine on Nasal Congestion in Participants With Seasonal Allergic Rhinitis (P08156 AM2)(Completed) treatment 2 completed NCT01369563
Efficacy, Safety & Tolerability of Ciclesonide 200mcg Spray 4 Weeks Treatment for Intermittent & Persistent Rhinitis No drug interventions Not Available Not Available completed NCT03664882
Study Evaluating the Efficacy and Safety of Fexofenadine in Subjects Suffering From Seasonal Allergic Rhinitis in Presence of Pollutants treatment 3 completed NCT01171664
Clinical Trial of STAHIST in Seasonal Allergic Rhinitis (SAR) Subjects No drug interventions treatment 2 completed NCT00564421
Safety and Efficacy Study of Epinastine Nasal Spray in Subjects With Seasonal Allergic Rhinitis (P08648) treatment 3 completed NCT04489121
The Efficacy of Preseasonal Omalizumab Treatment treatment Not Available completed NCT02020902
Post Marketing Surveillance for Contac Bien Z in Japan No drug interventions Not Available Not Available completed NCT00610584
Acupuncture for Seasonal Allergic Rhinitis treatment Not Available completed NCT00805584
Study of Nasal Symptom Relief and Side Effects in Hayfever Patients Treated With Aerius (Desloratadine)(P03442) treatment 4 completed NCT00641979
New Nasal Applicator / New Formulation - User Study treatment 2 completed NCT00223587
Seasonal Allergic Rhinitis and Driving Ability No drug interventions prevention 4 terminated NCT00504933
Efficacy Study for the Symptomatic Treatment of Seasonal Allergic Rhinitis treatment 3 completed NCT02256553
Safety Study of MK-3641 and MK-7243 Co-administered in Adult Participants With Ragweed and Grass Pollen Induced Allergic Rhinitis (P08607, MK-3641-006) treatment 4 completed NCT04052945
Efficacy, Safety and Underlying Mechanisms of Sphenopalatine Ganglion Acupuncture for Seasonal Allergic Rhinitis No drug interventions treatment Not Available unknown_status NCT04652245
Dymista Allergen Chamber - Onset of Action Study treatment 4 completed NCT05590598
Efficacy and Safety of Azelastine +Mometasone , Nasal Spray, 140 mcg + 50 mcg, (Sandoz d.d., Slovenia) and Momat Rino Advance, Nasal Spray, 140 mcg + 50 mcg, (Glenmark, India) Administered as a Monotherapy to Patients With Seasonal Allergic Rhinitis. treatment 3 completed NCT02478398
Efficacy and Safety Study of RAGWITEK™ (MK-3641) in Children With Ragweed-Induced Rhinoconjunctivitis With or Without Asthma (MK-3641-008) treatment 3 completed NCT02870205
Efficacy and Safety of GSP 301 Nasal Spray in the Treatment of Seasonal Allergic Rhinitis (SAR) No drug interventions treatment 3 completed NCT00762983
Observation of Use of Claritin (Loratadine) Tablet, RediTabs, and Dry Syrup in Children (Study P05834)(COMPLETED) Not Available Not Available completed NCT06180083
Bioequivalence Study of Azelastine Hydrochloride/ Fluticasone Propionate 137 Microgram/50 Microgram Nasal Spray and Dymista Nasal Spray other 1 completed NCT03014661
Untersuchung Zur Erfassung Und Kontrolle Der Lebensqualität Unter Einer Therapie Mit Pollinex Quattro Bei Heuschnupfen No drug interventions Not Available Not Available completed NCT00637611
Single-Center, Double-Blind, Randomized , Parallel Study Comparing Onset of Action, Efficacy & Safety of a Single-Dose of Fexofenadine HCl 180 mg vs Montelukast Na 10 mg & Placebo in Treating Seasonal Allergic Rhinitis Subjects in an Allergen Exposure Unit treatment 4 completed NCT03931993
A Study of Tolerability and Safety of a New Cumulative Dose of Grass MATA MPL No drug interventions treatment 1 completed NCT01018693
A Study to Determine the Capacity of VAK694 When Combined With Allergen Immunotherapy to Bring About Specific Immune Tolerance No drug interventions treatment 2 completed NCT01651871
Combination Study Of S-555739/Cetirizine HCl In Adult Patients With Seasonal Allergic Rhinitis treatment 2 completed NCT01480271
An Investigation of the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of GSK2245035 in Healthy Volunteers and Allergic Rhinitics. No drug interventions treatment 1 completed NCT02161107
Study of Grass-SPIRE in Subjects With Grass Allergies and Asthma No drug interventions treatment 2 completed NCT01258309
Safety and Efficacy of Olopatadine Hydrochloride/Ketorolac Tromethamine Ophthalmic Solution Compared With Olopatadine Hydrochloride Ophthalmic Solution in Patients With Seasonal Allergic Conjunctivitis treatment 3 completed NCT00932256
Clinical Trial of STAHIST in Seasonal Allergic Rhinitis Patients No drug interventions treatment 1 completed NCT00298337
Use of Probiotic Bacteria in Prevention of Allergic Disease in Children 1999-2008 prevention 2 / 3 unknown_status NCT00160537
POPULAR (Preference Of Patient Using Levocetirizine in Allergic Rhinitis) Not Available 4 completed NCT00117832
Nasal Ocular Reflexes Contribute to Eye Symptoms diagnostic Not Available completed NCT06126952
Azelastine Allergen Chamber - Onset of Action Study treatment 2 completed NCT01054352
A Single and Multiple Dose Study to Explore the Safety of JNJ-38224342 in Healthy Patients and Patients With Seasonal Allergies No drug interventions treatment 1 completed NCT00605852
Investigation Of a New Oral Anti-Histamine in Healthy Male Subjects No drug interventions treatment 1 completed NCT01673659
A Safety and Bioequivalence of a Mometasone Nasal Spray, 50 mcg/Actuation Compared With Nasonex® Nasal Spray 50 mcg/Actuation in the Relief of the Symptoms of Seasonal Allergic Rhinitis (SAR) treatment 3 completed NCT05311475
Prospective, Randomized, Multinational, Multicenter, Double-blind, Placebo and Active Controlled Trial in 4 Parallel-groups of Patients Suffering From Seasonal Allergic Rhinitis treatment 3 completed NCT00384475
A Study of Ciclesonide Nasal Spray in Patients 18 Years and Older With Seasonal Allergic Rhinitis (BY9010/M1-413) treatment 3 completed NCT00502775
Fluticasone Furoate Nasal Spray Versus Oral Fexofenadine treatment 4 completed NCT00358475
Study Of Perennial Allergic Rhinitis No drug interventions treatment 3 completed NCT02061670
Safety Study of Ragweed-SPIRE in Subjects With Ragweed Allergies and Asthma No drug interventions treatment 2 completed NCT01280149
Reduction of IgE Antibody in Human Allergic Subjects treatment 1 completed NCT00422149
Twin SUBLIVAC® Grasses Clinical Efficacy Study No drug interventions treatment 3 completed NCT00968149
A Study Comparing Montelukast With Placebo in Children With Seasonal Allergic Rhinitis (0476-219)(COMPLETED) treatment 3 completed NCT03286049
Short and Mid-term Repeatability of Active Anterior Rhinomanometry (AAR) Measurements in Paediatric Age No drug interventions Not Available Not Available completed NCT01172613
Optimal Concentration of Dermatophagoides Pteronyssinus (Dp) Allergen Extract for Skin Prick Test (SPT) of Thai Population No drug interventions Not Available Not Available unknown_status NCT01484119
Efficacy, Safety, and Tolerability Study of ACT-129968 in Patients With Seasonal Allergic Rhinitis treatment 3 completed NCT00960141
A Study Investigating the Effect of Montelukast in Patients With Seasonal Allergic Rhinitis (MK-0476-192)(COMPLETED) treatment 3 completed NCT00688441
The Effect of Nasal Carbon Dioxide (CO2) in the Treatment of Seasonal Allergic Rhinitis No drug interventions treatment 2 completed NCT04622917
Methylprednisolone Injections Treating Birch Pollen Induced Allergic Rhinitis. treatment 4 completed NCT02273817
A Study Comparing The Bioequivalence Of Ciclesonide Nasal Spray (Apotex, Inc.) To That Of Omnaris™ Nasal Spray (Sepracor, Inc.) In The Treatment Of Seasonal Allergic Rhinitis treatment 3 completed NCT00561717
A Randomized, Placebo Controlled Study to Determine the Efficacy and Speed of a Nasal Spray in Allergen Induced Seasonal Allergic Rhinitis No drug interventions treatment 4 completed NCT05540717
Efficacy and Safety of PQ Grass in Subjects With Seasonal Allergic Rhinitis and/or Rhinoconjunctivitis Induced by Grass Pollen No drug interventions treatment 3 completed NCT00653224
A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis treatment 4 completed NCT02230696
Comparative Safety and Efficacy of Two Steroid Treatments in the Relief of the Symptoms of Seasonal Allergic Rhinitis treatment 3 completed NCT01413958
Effects of Phenylephrine Extended-Release Tablets on Allergy-Related Nasal Congestion (P08498 AM1) treatment 3 completed NCT02279563
A Study Comparing the Bioequivalence of Azelastine Hydrochloride and Fluticasone Propionate Nasal Spray (Apotex, Inc.) to That of Dymista™ Nasal Spray (Meda Pharmaceuticals, Inc.) in the Treatment of Seasonal Allergic Rhinitis treatment 2 unknown_status NCT00385463
Adolescent and Adult Subjects With Asthma and Seasonal Allergic Rhinitis Receiving Advair Diskus or Placebo No drug interventions treatment Not Available withdrawn NCT00346086
DNA Vaccine for Ragweed Allergic Adults No drug interventions treatment 2 completed NCT03649139
Effect and Underlying Immunological Mechanisms of Sublingual Immunotherapy in Allergic Rhinitis No drug interventions treatment 3 completed NCT01753739
Bepotastine Besilate Nasal Sprays in the Treatment of Seasonal Allergic Rhinitis (SAR) treatment 2 completed NCT00115622
Study In Adults And Adolescents With Seasonal Allergic Rhinitis treatment 3 completed NCT05098522
Allergen Challenge Trial of IRL201104 in Seasonal Allergic Rhinitis No drug interventions treatment 2 completed NCT00794248
Preference for Clarinex Tablets vs. Allegra Tablets in Patients With Seasonal Allergies (Study P03179) other 4 completed NCT01279057
A Study Comparing Two Fluticasone Furoate Nasal Sprays in the Relief of the Signs and Symptoms of Seasonal Allergic Rhinitis treatment 3 completed NCT00746226
Probiotics for Birch Pollen Allergy treatment 1 / 2 completed NCT05960266
Immunological Analysis of Lymph Node Tissue After Intralymphatic Immunotherapy: A Prospective Case Control Study No drug interventions basic_science 0 active_not_recruiting NCT00691665
Comparison of Olopatadine 0.6% and Fluticasone Proprionate 50mcg Nasal Sprays in a Two Week Seasonal Allergic Rhinitis Trial treatment 4 completed NCT00209365
The Role of Pollen Starch Granules in Pollen Challenge Studies in the Fraunhofer Environmental Exposure Unit No drug interventions diagnostic Not Available completed NCT01983865
Monocenter 6-period Study in Patients With Seasonal Allergic Rhinitis to Birch Pollen to Establish a Challenge Model With Natural Birch Pollen in an Environmental Challenge Chamber (ECC) No drug interventions basic_science Not Available completed NCT04544774
The Role of the Nasal Allergen Provocation Test in Starting and Monitoring Allergen Immunotherapy No drug interventions Not Available Not Available recruiting NCT02246920
Clinical Equivalence Study of Fluticasone Propionate Nasal Spray, 50 mcg/Actuation vs. Flonase in Allergic Rhinitis Patients other 3 terminated NCT02856282
Drug Utilization Study for Pirinase Hayfever Relief Not Available Not Available completed NCT00420082
A Randomized, Double-Blind, 4-way Crossover Study to Evaluate the Efficacy of Bilastine in the Vienna Challenge Chamber treatment 2 completed NCT03450031
Evaluation of Nasal Inflammatory Biomarkers No drug interventions basic_science Not Available completed NCT03463031
Efficacy and Safety of GSP 301 Nasal Spray in Children (Aged 6 to Under 12 Years) With Seasonal Allergic Rhinitis (SAR) No drug interventions treatment 3 completed NCT00824473
A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT02582073
Dose Selection Study of Efficacy and Safety of Different Doses of Grass MATA MPL and Grass MATA Using mEECs™ No drug interventions treatment 2 completed NCT00358527
Mometasone Furoate on Sleep Disturbances in Subjects With Seasonal Allergic Rhinitis (Study P04608) (COMPLETED) treatment 4 completed NCT00501527
Immunotherapy With Depigmented and Polymerized Allergen Extract of Phleum Pratense No drug interventions treatment 2 completed NCT05297760
Intralymphatic Immunotherapy With Polvac Grass & Rye Allergen Extract No drug interventions treatment 1 / 2 active_not_recruiting NCT00659594
Study Using the Environmental Exposure Chamber (EEC) to Assess the Onset of Action of Ciclesonide, Applied as a Nasal Spray in Treatment of Seasonal Allergic Rhinitis (BY9010/M1-406) treatment 3 completed NCT00867191
Comparison of the Effects of Desloratadine and Placebo in the Relief of Nasal Symptom Scores in Subjects With Seasonal Allergic Rhinitis to Cypress Pollen (Study P02836) treatment 4 completed NCT06046391
Efficacy and Safety of LP-003 in Moderate-to-severe Seasonal Allergic Rhinitis Adult No drug interventions treatment 2 recruiting NCT00197262
Once-Daily Investigational Nasal Spray In Adults And Adolescents With Seasonal Allergic Rhinitis (SAR) treatment 3 completed NCT00578929
Safety and Efficacy of Olopatadine HCl Nasal Spray in 6-11 Year Old Patients treatment 3 completed NCT00135629
Factors Predicting Efficacy of Allergen Injection Immunotherapy for Grass Pollen Hayfever No drug interventions treatment 3 completed NCT00660829
A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT01500629
Study of a Topical Nasal Spray to Ease the Symptoms of Hayfever No drug interventions Not Available 0 completed NCT00839189
Effect of a 10,000 EU Dose of Endotoxin in Allergic and Mildly Asthmatic Adults No drug interventions basic_science 1 completed NCT03855189
Safety and Efficacy of Mometasone Furoate (SCH 032088) vs Beclomethasone Dipropionate or Placebo in Seasonal Allergic Rhinitis (C93-013) treatment 3 completed NCT00740792
A Study Evaluating the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT00718744
Standardization of Chortoglyphus Arcuatus Allergenic Extract. Determination of Biological Activity in HEP Units No drug interventions Not Available 2 completed NCT00851344
Allergen Challenge Chamber Study With Single Dose Oral GSK835726 Compared With Placebo treatment 2 completed NCT01549340
Retrospective Record Review of Adults and Children Advised for Allergen Immunotherapy (MK-7243-022) No drug interventions Not Available Not Available completed NCT00363740
Study of GW685698X In Patients With Seasonal Allergic Rhinitis treatment 3 completed NCT03101267
A Dose-finding Study of ASP4070 No drug interventions treatment 2 completed NCT01342601
Safety and Efficacy of Ectoin Allergy Nasal Spray and Ectoin Allergy Eye Drops in the Treatment of Seasonal Allergic Rhinitis (SAR) in Children and Adolescents No drug interventions treatment Not Available completed NCT00726401
A Randomized, Double-blind, Placebo-controlled Study on the Effect of CVT-E002 in Patients With Seasonal Allergic Rhinitis No drug interventions treatment 2 completed NCT01293201
Trial of STAHIST in Seasonal Allergic Rhinitis No drug interventions treatment 3 completed NCT00491504
This Study Contains an Active Drug Treatment Group With Mometasone Furoate Nasal Spray and a Placebo (Dummy) Treatment Group for Seasonal Allergic Rhinitis (SAR). (Study P05073)(COMPLETED) treatment 4 completed NCT03369704
Study of Efficacy and Safety of Omalizumab in Severe Japanese Cedar Pollinosis Adult and Adolescent Patients treatment 3 completed NCT00816972
Desloratadine With Oxybutynin for the Treatment of Seasonal Allergic Rhinitis and Post-Nasal Drip (Study P04258)(COMPLETED) treatment 2 completed NCT03879772
Dose-Ranging Study of Mometasone Furoate (MK-0887/SCH 032088) Nasal Spray in the Treatment of Children (Ages 6-11) With Seasonal Allergic Rhinitis (C95-161) treatment 3 completed NCT00794768
Preference for Clarinex Tablets vs Allegra Tablets in Patients With Seasonal Allergies (P03178) other 4 completed NCT00883168
A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT02557269
4"S" - Seasonal Symptoms Suppression Study treatment 4 unknown_status NCT00559546
Montelukast as a Controller of Atopic Syndrome treatment 4 completed NCT00783146
Efficacy and Safety of Desloratadine vs. Fexofenadine 180 mg. vs. Placebo for Treating Seasonal Allergic Rhinitis (SAR) (Study P04054) treatment 4 completed NCT00517946
A Study To Investigate If MRI Scanning Is Effective At Seeing What Hayfever Drugs Do In Nasal Passage. Not Available Not Available completed NCT01940146
Efficacy and Safety of SPARC1310 in Seasonal Allergic Rhinitis No drug interventions treatment 2 completed NCT00468312
Placebo-Controlled Study of Mometasone Furoate Nasal Spray (MFNS) 200 mcg QD in the Treatment of Seasonal Allergic Rhinitis (Study P05106)(COMPLETED) treatment 3 completed NCT02155881
Efficacy and Safety of Ciclesonide Nasal Spray in Participants With Seasonal Allergic Rhinitis (SAR) in Russia treatment 3 completed NCT00845195
Comparison of Seasonal Allergic Rhinitis Treatment With 2 Antihistamines Used in Combination With Intranasal Corticosteroid treatment 4 completed NCT00443495
Phase I/IIa Study on Chitin Microparticles in Subjects Suffering From Allergic Rhinitis treatment 1 / 2 completed NCT00319995
Effects of Loratadine/Montelukast vs Pseudoephedrine and Placebo in Patients With Seasonal Allergic Rhinitis (Study P04095) (COMPLETED) treatment 3 completed NCT00423995
Effect of Loratadine/Montelukast Combination on Congestion in SAR Patients Exposed to Pollen in an EEU (Study P04822) treatment 3 completed NCT01241214
Study of ACT-129968 in Adult Patients With Seasonal Allergic Rhinitis treatment 2 completed NCT00901914
Study of rBet v1 Tablets No drug interventions treatment 2 completed NCT00637455
Single Center, Randomized, Double-Blind,Crossover Study Comparing Effects Of Single-Dose Fexofenadine HCl 180 mg, Cetirizine 10 mg, and Placebo on Cognitive Performance in Naval Flight Personnel treatment 4 completed NCT00537355
An Evaluation of the Efficacy and Safety of TOLAMBA™ for Ragweed-Allergic Rhinitis in an Environmental Exposure Chamber treatment 2 completed NCT00225823
Study In Adults And Adolescents With Seasonal Allergic Rhinitis. treatment 3 completed NCT01915823
Safety and Efficacy Trial of Dymista Nasal Spray in Children Ages 4 to 11 With Seasonal Allergic Rhinitis (SAR) treatment 3 completed NCT00790023
Clinical Trial to Assess the Efficacy and Safety of Ciclesonide Hydrofluoroalkane (HFA) Nasal Aerosol for the Treatment of Seasonal Allergic Rhinitis treatment 3 completed NCT01850823
Clinical Equivalence Study of Mometasone Nasal Spray treatment 3 completed NCT01337323
Prospective Observational Study of Concomitant Allergic Rhinitis Treatment Patterns Among Patients Starting on Fluticasone Furoate Nasal Spray in a Retail Pharmacy Setting Not Available Not Available terminated NCT01024608
Study in Adult and Adolescent Subjects With Seasonal Allergic Rhinitis (SAR) treatment 3 completed NCT00387738
Efficacy and Safety Study of TOLAMBA™ in Ragweed-Allergic Adults prevention 2 terminated NCT05887843
Study to Compare the Pharmacokinetics of Fixed-Dose Combination of Mometasone + Azelastine Nasal Spray to Mometasone and Azelastine Nasal Sprays in Adolescents and Young Adults With Seasonal Allergic Rhinitis treatment 1 terminated NCT00297843
A Pilot Monocenter Study to Assess Cellular and Soluble Biomarkers in Nasal Secretions No drug interventions Not Available Not Available completed NCT02318303
To Study GSP 301 in Patients With Seasonal Allergic Rhinitis treatment 2 completed NCT06300203
Study of CM310 in Patients With Uncontrolled Seasonal Allergic Rhinitis treatment 2 not_yet_recruiting NCT00659503
Study Using the Environmental Exposure Unit (EEU) to Assess the Onset of Action of Ciclesonide, Applied as a Nasal Spray in the Treatment of Seasonal Allergic Rhinitis (BY9010/M1-407) treatment 3 completed NCT01817790
Assessment of Fluticasone Propionate on Ocular Allergy Symptoms Not Available 3 completed NCT02807064
Effectiveness of Bifidobacteria in Children Affected by Seasonal Allergic Rhinitis treatment 3 unknown_status NCT01007721
Randomized, Placebo Controlled, Crossover Study in an Environmental Challenge Chamber to Assess Safety & Efficacy of Three Oral Doses of BI 671800 Versus Fluticasone Propionate and Montelukast in Sensitive Seasonal Allergic Rhinitis Patients Out of Season treatment 2 completed NCT00426179
Effects of Imatinib in Subjects With Seasonal Allergic Rhinitis and Who Are Sensitive to Timothy Grass Pollen treatment 1 / 2 completed NCT02108379
Compliance and Usability Study Evaluating RHINIX™ Nasal Filters No drug interventions treatment Not Available completed NCT02975479
Intralymphatic Immunotherapy in Increasing Doses, Substudy treatment 2 / 3 completed NCT00574379
Efficacy, Safety and PK of Once or Twice Daily Bilastine (10 or 20 mg) Compared With Placebo in the Symptomatic Treatment of SAR treatment 2 completed NCT00305487
Safety and Efficacy of Ciclesonide in Pediatric Patients (6 to 11 Years of Age) With Seasonal Allergic Rhinitis (BY9010/M1-417) treatment 3 completed NCT00987233
A Study Comparing the Bioequivalence of Triamcinolone Acetonide Aqueous Nasal Spray (Apotex, Inc.) to That of Nasacort® AQ Nasal Spray (Sanofi-Aventis Pharmaceutical Products, Inc.) In the Treatment of Seasonal Allergic Rhinitis treatment 3 completed NCT00783133
Preference for Clarinex Tablets vs. Allegra Tablets in Patients With Seasonal Allergies (Study P03177) other 4 completed NCT02082054
StahistRx Phase 2, Five-arm, Parallel Group, Active vs Active, Double-blind Study treatment 2 unknown_status NCT05692154
A Placebo-controlled Study of 2-day Pre-treatment With Fexofenadine in Seasonal Allergic Rhinitis treatment 3 completed NCT02631551
Efficacy and Safety of Fixed Dose Combination GSP 301 Nasal Spray (NS) in the Treatment of Seasonal Allergic Rhinitis (SAR) treatment 3 completed NCT02125253
Study to Compare the Therapeutic Equivalence of Mometasone Furoate Nasal Spray, 50 mcg With Nasonex Nasal Spray in the Relief of the Signs and Symptoms of Seasonal Allergic Rhinitis treatment 3 completed NCT00940953
Compare Captisol-Enabled (CE) Budesonide + Azelastine Nasal Solution and Rhinocort Aqua + Astelin in an Environmental Exposure Chamber (EEC) Study of Allergic Rhinitis treatment 2 completed NCT01007253
Effect of Veramyst and Olopatadine 0.2% Opthalmic Solution on Allergy Symptoms Not Available 4 completed NCT01260753
Proof of Activity Study of UR-63325 in Allergic Rhinitis Induced by Nasal Challenge treatment 2 completed NCT00483353
Effect of a Nasal Bolus Allergen Challenge on Inflammatory Markers No drug interventions treatment 1 completed NCT00807053
Dose-ranging Study to Assess the Efficacy and Safety of Ciclesonide HFA Nasal Aerosol in Adult and Adolescent Patients 12 Years and Older With Seasonal Allergic Rhinitis (SAR) (BY9010/M1-602) treatment 2 completed NCT00318747
Treatment of Ragweed-Allergic Asthma With an Immunostimulatory Drug No drug interventions treatment 2 terminated NCT03882047
Mometasone Furoate Aqueous (MK-0887/SCH 032088) Nasal Spray vs Placebo and FLONASE® in Seasonal Allergic Rhinitis Patients (I94-001) treatment 3 completed NCT00127647
An Approved Drug to Study a New Indication for Allergic Rhinitis (0476-327) treatment 3 completed NCT01368445
A Study to Evaluate the Safety and Efficacy of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT01660698
Immune-modulatory Effect of Probiotic Strain on Grass Pollen Allergic Individuals No drug interventions treatment Not Available completed NCT00334698
Study to Assess the Effect of a Combination of Cetirizine With Pseudoephedrine Versus Cetirizine Alone on Symptoms in Patients With Allergic Rhinitis treatment Not Available completed NCT00400998
Investigate Two Trial Models; Vienna Challenge Chamber (in and Out of Season) and Park Study (in Season) Using a Drug for Seasonal Allergic Rhinitis treatment 2 completed NCT03772405
Effect of the Nasal Gel "Nascum®-Plus" on Allergic Symptoms No drug interventions treatment Not Available completed NCT01008397
Study of AHIST in Seasonal Allergic Rhinitis Patients treatment 1 withdrawn NCT00406783
Study for the Treatment of Intermittent Allergic Rhinitis With Desloratadine (Study P04683) treatment 3 completed NCT01108783
A Phase III Efficacy Study of the Symptomatic Treatment of Seasonal Allergic Rhinitis With Bilastine treatment 3 completed NCT00435461
Fluticasone Furoate Nasal Spray Versus Oral Fexofenadine treatment 4 completed NCT01400828
Investigate the Safety/Tolerability and Efficacy of Bilastine 20mg in Korean Patients With Seasonal Allergic Rhinitis treatment 3 completed NCT00377728
Trial With Rhinitic Patients Taking GSK256066 Versus Placebo In A Pollen Challenge Chamber treatment 2 completed NCT00917111
The Effect of Nasal Carbon Dioxide (CO2) in the Symptomatic Treatment of Seasonal Allergic Rhinitis No drug interventions treatment 2 completed NCT00783211
Efficacy and Safety of Desloratadine vs. Fexofenadine 180 mg. vs. Placebo for Treating Seasonal Allergic Rhinitis (SAR)(Study P04053)(COMPLETED) treatment 4 completed NCT00694993
Single and Repeat Dose First Time in Human Study for an Intranasal H1/H3 Dual Antagonist in Healthy Male Subjects treatment 1 completed NCT01010971
Clinical Trial to Assess the Efficacy and Safety of Ciclesonide Hydrofluoroalkane (HFA) Nasal Aerosol for the Treatment of Seasonal Allergic Rhinitis (SAR) to Mountain Cedar in Subjects 12 Years and Older treatment 3 completed NCT01578278
Bepotastine Besilate-corticosteroid Nasal Spray Combination Compared to Placebo, Bepotastine Besilate Nasal Spray, and Corticosteroid Nasal Spray in the Treatment of Patients With Seasonal Allergic Rhinitis treatment 2 completed NCT00720278
A Study to Evaluate the Safety and Efficacy of Two Nasal Sprays to Treat Seasonal Allergies treatment 3 completed NCT01475188
Regulatory Lymphocytes in Patients Treated With Specific Immunotherapy No drug interventions basic_science 4 completed NCT00917488
Glycyphagus Domesticus Allergen Extract. Determination of the in Vivo Biological Activity in Histamine Equivalent Units (HEP). No drug interventions diagnostic 2 completed NCT00544388
Efficacy of Levocetirizine and Cetirizine in Reducing Symptoms of Seasonal Allergic Rhinitis in Ragweed Sensitive Subjects treatment 3 completed NCT00070707
Nasonex Compared With Placebo in Participants With Seasonal Allergic Rhinitis (SAR) and Concomitant Asthma (P03280) treatment 4 completed NCT00542607
Efficacy and Safety of Levocetirizine and Fexofenadine in Reducing Symptoms of Seasonal Allergic Rhinitis treatment 4 completed NCT02061709
Evaluating the Efficacy of Ragweed-SPIRE Following Exposure to Ragweed Allergen in an Environmental Exposure Chamber No drug interventions treatment 2 completed NCT00976209
Consumer Preference Study of Two Formulations of Phenylephrine Hydrochloride (Study CL2008-15)(P07530)(COMPLETED) treatment 3 completed NCT04752956
Effectiveness of Sodium Hyaluronate In Relieving Nasal Symptoms Of Children With Seasonal Allergic Rhinitis No drug interventions treatment Not Available unknown_status NCT00092885
An Approved Drug to Study a New Indication for Seasonal Allergic Rhinitis in Patients With Asthma (0476-269) treatment 3 completed NCT00473915
Intranasal Steroids and the Nasal Ocular Response treatment 4 completed NCT00784732
A Study to Compare the Efficacy of QAV680 Against Placebo in Treating Seasonal Allergic Rhinitis in an Environmental Exposure Chamber treatment 2 completed NCT00618332
Can a Nasal Decongestant Test Predict Treatment Outcomes in Seasonal Allergic Rhinitis? Not Available Not Available completed NCT03097432
Non-interventional Study to Assess the Tolerability, the Safety Profile and the Adherence of Different Up-dosing Schemes for a Sublingual Immunotherapy Treatment No drug interventions Not Available Not Available completed NCT01653652
Effect of a Probiotic on Seasonal Allergic Rhinitis Symptoms No drug interventions treatment Not Available completed NCT04817800
To Investigate Drug-drug Interaction and Relative Bioavailability Between the FDC AzelastineHCL/Beclomethasone Dipropionate Nasal Spray, & Beclomethasone Dipropionate Nasal Spray in the Test Vehicle, and RinoClenil® Nasal Spray other 1 / 2 completed NCT00621959
A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis treatment 4 completed NCT04687059
An Exploratory Study of PQ Grass 27600 SU No drug interventions treatment 2 / 3 completed NCT03861559
Onset of Action of Mometasone Furoate (MK-0887/SCH 032088) Nasal Spray Compared With Placebo in Seasonal Allergic Rhinitis (C93-184) treatment 3 completed NCT01458275
A Safety and Efficacy Study of Ciclesonide Nasal Aerosol in Subjects 6-11 Years With Seasonal Allergic Rhinitis (SAR) treatment 3 completed NCT01985542
The Effects of Immunotherapy in the Nose No drug interventions basic_science Not Available completed NCT00135642
Grass Pollen Immunotherapy Using a Cluster Regime for Seasonal Rhinitis and Asthma No drug interventions treatment 3 completed NCT00405899
Pilot Study of Allergy Immunotherapy and Prevention of Viral Respiratory Infections No drug interventions Not Available Not Available completed NCT01222299
Safety, Pharmacokinetics, and Efficacy of Bepotastine Besilate Nasal Product After Ragweed Pollen Exposure in an Environmental Chamber treatment 1 / 2 completed NCT00963599
Montelukast in Seasonal Allergic Rhinitis - Fall 1999 Study (0476A-117) treatment 3 completed NCT00794599
Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03182) other 4 completed NCT03444506
Efficacy and Safety of Fixed Dose Combination (FDC) of Olopatadine Hydrochloride and Mometasone Furoate Nasal Spray (Molo; Also Referred as GSP 301) in the Treatment of Seasonal Allergic Rhinitis (SAR) treatment 2 completed NCT00396149
Safety, Tolerability and Pharmacodynamic Effects of Sublingual Immunotherapy (Tablets) With Recombinant Bet v1 No drug interventions treatment 1 completed NCT01523236
Clinical Equivalence Study of Mometasone Nasal Spray, 50 Mcg/Actuation Not Available 1 / 2 completed NCT01555736
Comparison of Perennial and Preseasonal Subcutaneous Immunotherapy No drug interventions treatment 4 completed NCT01852513
Allergic Rhinitis Changes the Sinus Microbiome prevention 4 completed NCT00938613
Compare CE-Budesonide Nasal Solution & Rhinocort Aqua in an EEC Study of AR treatment 2 completed NCT05346718
Threshold Concentrations for Ragweed and Birch Pollen in Seasonal Allergic Rhinitis No drug interventions basic_science Not Available recruiting NCT00651118
A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT00612118
A Phase II Study Evaluating Intranasal GSK256066 and Azelastine Hydrochloride in Subjects With Seasonal Allergic Rhinitis treatment 2 completed NCT01307319
Study of an Investigational Nasal Aerosol or Placebo Nasal Aerosol in Children (Ages 6-11) With Seasonal Allergies treatment 3 completed NCT01230619
Vienna Challenge Chamber Study Using RV658 in Subjects With Allergic Rhinitis No drug interventions treatment 2 completed NCT00659841
To Assess the Safety and Efficacy of Ciclesonide, Applied as a Nasal Spray in the Treatment of Seasonal Allergic Rhinitis (BY9010/M1-401) treatment 3 completed NCT01277341
Safety and Efficacy of Bepotastine Besilate Nasal Spray in the Treatment of Seasonal Allergic Rhinitis treatment 2 completed NCT00660517
A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT01103934
Vitamin D Plus Fluticasone Propionate treatment 4 completed NCT01224834
Safety and Tolerability Study of Ragweed SLIT Tablets No drug interventions treatment 1 completed NCT00805324
Study of the Effectiveness and Safety of Desloratadine (Aerius) Syrup in Children With Hayfever With or Without Asthma (P03472) treatment 3 completed NCT00276016
The Effects of Phenylephrine Compared With Those of Placebo and Pseudoephedrine on Nasal Congestion in Subjects With Seasonal Allergic Rhinitis (SAR)(P04579) treatment 3 completed NCT02320396
Efficacy and Safety Study of Desloratadine (MK-4117) in Japanese Participants With Seasonal Allergic Rhinitis (MK-4117-204) treatment 3 completed NCT00227058
Effects of Orotic Acid Derivatives With or Without Glutathione on Allergic Rhinitis diagnostic Not Available completed NCT01857063
Study of the Efficacy and Safety of MK-0476 in Japanese Pediatric Participants With Seasonal Allergic Rhinitis (MK-0476-519) treatment 3 completed NCT02249663
Clinical Equivalence of Azelastine Hydrochloride and Fluticasone Propionate, 137/50 mcg Nasal Spray to Dymista™ Not Available 3 unknown_status NCT00453063
Placebo-Controlled Study of Mometasone Furoate Nasal Spray (MFNS) 200 mcg Once Daily (QD) in the Treatment of Seasonal Allergic Rhinitis (Study P05067)(COMPLETED) treatment 3 completed NCT01192386
Eosinophil Markers and Development of Disease in Allergic Rhinitis No drug interventions Not Available Not Available completed NCT00361439
Treatment of Olfactory Dysfunction in Seasonal Allergic Rhinitis treatment 4 terminated NCT01335139
Long-Term Effects of Sublingual Grass Therapy No drug interventions treatment 2 completed NCT00916422
Subcutaneous Immunotherapy Treatment for Patients With Hypersensitivity to Grass Pollen No drug interventions treatment 3 completed NCT00295022
Compare the Efficacy of Levocetirizine and Montelukast to Placebo in Reducing Seasonal Allergic Rhinitis (SAR) Symptoms in Ragweed Sensitive Subjects treatment 4 completed NCT00862225
MOA Study of Ze 339 in Seasonal Allergic Rhinitis treatment 2 completed NCT01921348
Pilot Study to Evaluate Ear Acupressure Effects in Treating Seasonal Allergic Rhinitis No drug interventions treatment Not Available terminated NCT03570957
A Clinical Pharmacology Study of MT-2990 in Seasonal Allergic Rhinitis Patients No drug interventions treatment 1 completed NCT00430157
Trial With Allergic Rhinitis Patients Taking GSK256066 Versus Placebo In A Pollen Challenge Chamber treatment 2 completed NCT00755066
Effect of Intranasal Corticosteroids on Systemic Allergen Specific IgE basic_science Not Available completed NCT06200766
A Multicenter, Randomized, Double-blind, Three-arm, Parallel Clinical Endpoint Bioequivalence Study of Monometasone Furoate Nasal Spray in Patients With Seasonal Allergic Rhinitis treatment 3 recruiting NCT01699165
Efficacy and Safety of Nasal Filters on Seasonal Allergic Rhinitis (Hay Fever) No drug interventions treatment Not Available completed NCT02932774
Randomized, Double Blind, Parallel Group, Placebo Controlled, Multi-Center Study of the Efficacy and Safety of Cetirizine HCl Syrup vs. Loratadine Syrup vs. Placebo in Treatment of Children With Seasonal Allergic Rhinitis (SAR) treatment 4 completed NCT06171074
Study of CM310 in Subjects With Seasonal Allergic Rhinitis treatment 2 not_yet_recruiting NCT02108574
Efficacy Park Study Assessing Rhinix™ Nasal Filters for Hay Fever No drug interventions treatment Not Available completed NCT00917020
The Effect of Nasal Carbon Dioxide (CO2) Used As-Needed in the Symptomatic Treatment of Seasonal Allergic Rhinitis No drug interventions treatment 2 completed NCT00612820
A Phase II Study Evaluating Intranasal GSK256066 and Fluticasone Propionate in Subjects With Seasonal Allergic Rhinitis (SAR) treatment 2 completed NCT00997620
Fluticasone Furoate Treatment of Daytime Somnolence and Cognitive Performance in Seasonal Allergic Rhinitis other 4 completed NCT03004131
MP-AzeFlu Allergen Chamber - Onset of Action Study treatment 4 completed NCT00761527
Observation of Side Effects and Effectiveness of Desloratadine (Aerius) Syrup in Filipino Children (Study P05634) Not Available Not Available completed NCT00407927
A Study of Epinastine Nasal Spray in Subjects With Seasonal Allergic Rhinitis treatment 2 completed NCT01038427
A Study Comparing the Clinical Equivalence of Two Mometasone Nasal Sprays in the Relief of the Signs and Symptoms of Seasonal Allergic Rhinitis treatment 3 completed NCT00619827
Efficacy and Safety of Sublingual Tablets of Grass Pollen Allergen Extract No drug interventions treatment 1 completed NCT04670627
Biomarkers in Nasal Samples of Seasonal Allergic Rhinitics No drug interventions Not Available Not Available completed NCT00488176
Comparison of the Effect of Montelukast and Cetirizine on Allergic Inflammation in Children With Allergic Rhinitis treatment 4 unknown_status NCT02245360
Study Immunology and Safety of 60-day Treatment of SQ Grass SLIT (Sublingual Immunotherapy)-Tablet in Adult Subjects With Grass Pollen-induced Allergic Rhinoconjunctivitis treatment 3 completed NCT00854360
Study to Assess the Efficacy and Safety of BDP HFA Nasal Aerosol in Patients 12 Years and Older With SAR treatment 2 completed NCT00889460
Safety and Tolerability Study of rBet v1 SLIT Tablets No drug interventions treatment 1 completed NCT00719862
A Study to Evaluate the Safety & Effectiveness of a Nasal Spray to Treat Seasonal Allergies treatment 3 completed NCT00673062
Study of the Effect of SCH 900538 on Congestion in Subjects With Seasonal Allergic Rhinitis (Study P05031)(COMPLETED) treatment 2 completed NCT00641680
Rhinocort Aqua Versus Placebo and Fluticasone Propionate treatment 3 completed NCT00118729
Study In Adolescent And Adult Subjects 12 Years Of Age And Older With Seasonal Allergic Rhinitis To Assess Onset of Action treatment 3 completed NCT00115089
7 Day Study of Mast Cell Inhibitor, R926112, in Patients With Symptomatic Seasonal Allergic Rhinitis treatment 2 completed NCT01748344
Phase II Study Evaluating ONO-4053 and Cetirizine in Subjects With Seasonal Allergic Rhinitis treatment 2 completed NCT02130440
Evaluation of the Beneficial Effects of a Nasal Spray of Resveratrol in Children With Seasonal Allergic Rhinitis prevention 3 completed NCT00521040
Efficacy and Safety of Levocetirizine 8 Weeks Prior and After the Onset of the Grass Pollen Season in Subjects With SAR treatment Not Available completed NCT00979901
Montelukast in Patients With Seasonal Allergic Rhinitis - Spring 2000 Study (MK-0476A-162)(COMPLETED) treatment 3 completed NCT00972504
723/726 Proof of Concept Study in Allergen Challenge Chamber in Hannover treatment 2 completed NCT04815668
Acupuncture at the Sphenopalatine Ganglion in the Treatment of Moderate-to-severe Seasonal Allergic Rhinitis No drug interventions treatment Not Available recruiting NCT00464568
A 5-way Treatment Period Trial of Single Doses of Intranasal GSK256066 in Patients With Rhinitis treatment 2 completed NCT00963469
Montelukast in Seasonal Allergic Rhinitis: Fall 2001 Study (0476-240) treatment 3 completed NCT00794846
Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03180) other 4 completed NCT00552110
Study of Mometasone Furoate Nasal Spray and Oxymetazoline Nasal Spray Given Together Once A Day To Treat Seasonal Allergic Rhinitis (P04500) treatment 2 completed NCT00574210
PK/PD and Steady State Efficacy Study of Bilastine Compared With Placebo Given Orally in the Treatment of the Symptoms of SAR in an EEC Model (5-arm) treatment 2 completed NCT01318681
Rhinitis, Cognition and Driving Performance Not Available Not Available completed NCT00794495
Preference for Clarinex Tablets vs. Zyrtec Tablets in Patients With Allergies (P03181) other 4 completed NCT02377895
Allergen Biocube Study Evaluating Efficacy and Safety of Nasapaque Nasal Solution in Adult Subjects With Allergic Rhinitis No drug interventions treatment 1 / 2 completed NCT01271595
AUTO-ACUSAR - Effects of Acupuncture on the Autonomic Nervous System in Seasonal Allergic Rhinitis Patients No drug interventions basic_science Not Available completed NCT04709614
Psychological Factors That Influence Severity of Allergic Rhinitis No drug interventions Not Available Not Available completed NCT00315523
Compare the Efficacy of Levocetirizine to Montelukast in Reducing Symptoms of SAR in Sensitive Subjects Exposed to Ragweed Pollen treatment 3 completed NCT00972738
Montelukast in Seasonal Allergic Rhinitis - Spring 2001 Study (0476-235) treatment 3 completed NCT00460538
Efficacy and Safety of Lectranal® in Treatment of Seasonal Allergic Rhinitis Symptoms No drug interventions treatment 4 completed NCT04535856
Therapeutic Study to Evaluate the Safety and Efficacy of DW-MSC in COVID-19 Patients treatment 1 completed NCT04621058
Efficacy of Vitamin D Treatment in Mortality Reduction Due to COVID-19. treatment 3 completed NCT05128786
CCT301-38 CAR-T in Patients With Relapsed or Refractory AXL Positive Sarcomas No drug interventions treatment 1 recruiting NCT04777981
(CBDRA60) to Prevent or Reduce Symptoms of COVID-19 and Prevention of Post-Acute Sequelae of SARS-CoV-2 Infection PASC No drug interventions treatment Not Available unknown_status