NCT06618911
Evaluation of the Efficacy of Electroacupuncture in the Treatment of Functional Dyspepsia No drug interventions treatment Not Available not_yet_recruiting NCT05513040
Clinical Course of Functional Dyspepsia and Factors Predicting Outcome in Patients Receiving Medication-based Treatment No drug interventions Not Available Not Available recruiting NCT03184402
Efficacy and Safety of DWJ1252 in the Treatment of Functional Dyspepsia (PART 2) treatment 3 completed NCT05248802
DLBS2411 Treatment For Functional Dyspepsia No drug interventions treatment 3 recruiting NCT05666154
Confocal Laser Endomicroscopy Based Diet in Functional Dyspepsia No drug interventions treatment Not Available recruiting NCT00599677
Randomized Controlled Trial of Acupuncture for Functional Dyspepsia treatment Not Available completed NCT02389998
Efficacy of Open Label Placebo in Children With FGIDs treatment Not Available completed NCT00987805
Efficacy of Banhasasim-tang on Functional Dyspepsia No drug interventions treatment 4 completed NCT02113605
Cognitive Behavior Therapy (CBT) for Children With Functional Gastrointestinal Disorders No drug interventions treatment Not Available completed NCT06005805
A Study To Evaluate the Feasibility of the Decentralized Clinical Trial in South Korea No drug interventions treatment Not Available completed NCT02872961
SIBO, Immune Activation, and FGIDs in Children No drug interventions Not Available Not Available completed NCT03149393
Clinical Study on Post Evaluation After Listing of Qizhi Weitong Granules treatment 1 / 2 unknown_status NCT06481371
Zuojin Wan Combined With Rabeprazole or Mosapride for the Treatment of Functional Dyspepsia Combined With Depression basic_science Not Available not_yet_recruiting NCT04706871
Transcutaneous Auricular Vagus Nerve Stimulation Treatment on Functional Dyspepsia No drug interventions treatment Not Available completed NCT03652571
Nortriptyline for the Treatment of Functional Dyspepsia treatment 3 unknown_status NCT02567578
A Trial to Evaluate the Efficacy and Safety of YH12852 in Patients With Functional Dyspepsia No drug interventions treatment 2 terminated NCT04482478
Clinical Trial for the Evaluation of the Efficacy and Safety of EDL on Dyspepsia No drug interventions treatment Not Available recruiting NCT03788109
Relationship Between Gastric Accommodation, TLESRs and Reflux in HV and in GERD With or Without Overlapping Dyspepsia No drug interventions basic_science Not Available completed NCT02727556
Physiological Response and Visual Attention to Visual Food Images in Healthy Subjects and in Functional Dyspepsia Patients No drug interventions basic_science Not Available completed NCT03358485
Study of Aolanti Weikang Tablets in Healthy Volunteers No drug interventions treatment 1 completed NCT00772837
Effect of Eradication of Helicobacter Pylori on the Dyspeptic Symptoms treatment Not Available completed NCT01047800
Functional Gastrointestinal Disorder Screening Program - A Randomized Controlled Trial No drug interventions health_services_research Not Available completed NCT05693259
Improvement of Functional Dyspepsia After Drinking Alkaline Ionized Water From Alkaline Ionizer No drug interventions treatment Not Available completed NCT04953975
Association of Functional Dyspepsia Symptom Diary Score and Other Scores Related to Functional Dyspepsia and Its Severity No drug interventions Not Available Not Available completed NCT05827575
Transcutaneous Auricular Vagal Nerve Stimulation for Functional Dyspepsia With Sleep Disturbances: a Randomized Controlled Trial No drug interventions treatment Not Available recruiting NCT03884270
Functional Dyspepsia Hypnosis No drug interventions treatment Not Available completed NCT01373970
The Clinical Significance of Acid Rebound in Functional Dyspepsia No drug interventions treatment 4 terminated NCT01822470
Small Intestinal Bacterial Overgrowth: A Prospective Registry No drug interventions Not Available Not Available enrolling_by_invitation NCT01006642
Mucosal Barrier Defects in Functional Dyspepsia by Confocal Laser Endomicroscopy No drug interventions Not Available Not Available unknown_status NCT05633706
Evaluation of the SIMBA Capsule for Small Intestinal Dysbiosis No drug interventions Not Available Not Available recruiting NCT05655819
A Study of Glutamine to Treat Intestinal Permeability in Functional Dyspepsia treatment 1 / 2 recruiting NCT04918017
Treatment Outcomes For Functional Dyspepsia Based On Current International Guidelines In Multi-Ethnic Asian Patients treatment 4 recruiting NCT01226134
Effect Of Itopride On Gastric Emptying And Accommodation In Patients With Functional Dyspepsia treatment Not Available unknown_status NCT00404534
Helicobacter Eradication Relief of Dyspeptic Symptoms treatment 3 completed NCT02162316
A Study to Evaluate the Efficacy Between Helicobacter Pylori Eradication Therapy and Motilitone in Functional Dyspepsia No drug interventions treatment Not Available unknown_status NCT01240096
Mirtazapine Versus Placebo in Functional Dyspepsia treatment 4 completed NCT05651386
The Six Food Elimination in Postprandial Distress Syndrome No drug interventions treatment Not Available recruiting NCT05812339
Body Surface Gastric Mapping to Evaluate Patients With Upper Gastrointestinal Symptoms and Controls No drug interventions Not Available Not Available enrolling_by_invitation NCT02173925
Gut Hormone, Nociceptors, Neurotrophic Factors Expression in Functional Dyspepsia No drug interventions Not Available Not Available completed NCT04656730
Effect of STW5 (Iberogast ®) and STW5-II (Iberogast N®) on Transit and Tolerance of Intestinal Gas No drug interventions treatment 4 completed NCT02484248
Ketotifen for Children With Functional Dyspepsia in Association With Duodenal Eosinophilia treatment 3 active_not_recruiting NCT05915520
Baduanjin Program Effect on Geriatric Functional Dyspepsia No drug interventions treatment Not Available recruiting NCT00951431
Gastric Functions & Proton Pump Inhibitor( PPI) Study treatment 4 completed NCT01456273
From the Biomedical to the Biopsychosocial Model, From Theory to Practice No drug interventions treatment Not Available unknown_status NCT05587127
Exposure-Based CBT for Avoidant/Restrictive Food Intake in Functional Dyspepsia No drug interventions other Not Available recruiting NCT01668927
Empirical Rescue Therapies of Helicobacter Pylori Infection treatment 4 completed NCT03825692
International Clinical Study of Zhizhu Kuanzhong Capsule No drug interventions treatment 4 recruiting NCT02460601
The Efficacy and Safety of Qizhiweitong Granule on Patients With Functional Dyspepsia in a Multi-center Clinical Study No drug interventions treatment 4 completed NCT04008901
The Efficacy and Safety of "BST104" (Lonicera Flos Extract) in Mild to Moderate Functional Dyspepsia Subjects No drug interventions treatment 3 completed NCT02996604
Acupuncture for Functional Dyspepsia: a Functional Magnetic Resonance Imaging (fMRI) Study No drug interventions treatment Not Available completed NCT01921504
Effect of Acupuncture on Patients With Functional Dyspepsia: a Multi-center, Randomized, Waitlist-controlled Trial No drug interventions treatment Not Available unknown_status NCT01373372
Corticotropin Releasing Hormone (CRH) Responsiveness in Children With Functional Dyspepsia basic_science Not Available withdrawn NCT00333372
To Evaluate the Efficacy of Z-338 in Subjects With Functional Dyspepsia No drug interventions treatment 2 completed NCT04713969
Neuro-immune Interactions and PPI treatment 4 recruiting NCT02340312
Functional Dyspepsia Microbiome Study No drug interventions Not Available Not Available completed NCT02320981
Mucosal Impedance in Pediatric Population No drug interventions Not Available Not Available completed NCT05920395
Mechanisms of Electroacupuncture for Functional Dyspepsia Based on "Enterotypes" and Metabolomics No drug interventions treatment Not Available not_yet_recruiting NCT00786214
Treatment of Functional Dyspepsia With Acupuncture No drug interventions treatment Not Available completed NCT01040455
Lansoprazole for Subgroups of Functional Dyspepsia treatment 4 terminated NCT02831543
Clinical Trial to Assess the Efficacy and Safety of Combination Therapy of Motireb 5/100 mg in Functional Dyspepsia Patients. treatment 3 unknown_status NCT00272103
Itopride in Functional Dyspepsia:a Dose Finding Study treatment 2 / 3 completed NCT04279990
Assessment of Gastric Motility on Funtional Dyspepsia and Joint Hypermobility Syndrome No drug interventions Not Available Not Available completed NCT01919021
Assessment of Gastro-Intestinal Function to a Mixed Meal by Non-invasive Imaging No drug interventions diagnostic Not Available completed NCT05134584
Efficacy of Linaclotide in Patients With Overlapping Functional Gastrointestinal Disorders treatment 4 unknown_status NCT04449887
The Role of Intestinal Flora in the Pathogenesis of FD and the Intervention of Xiangsha Liujunzi No drug interventions basic_science Not Available unknown_status NCT04380233
Zhizhu Kuanzhong Capsule for Patients With Functional Dyspepsia-Postprandial Distress Syndrome No drug interventions treatment Not Available unknown_status NCT03007433
Assessment of GI Function to a Large Test Meal by Non-invasive Imaging No drug interventions basic_science Not Available completed NCT00990405
Clinical Study to Evaluate the Efficacy and the Safety of Eradication Therapy for Helicobacter Pylori in Functional Dyspepsia treatment 4 unknown_status NCT05810805
Measurement and Analysis of Gas Composition in Digestive Tract No drug interventions Not Available Not Available not_yet_recruiting NCT00363597
Intestinal Permeability in Children/Adolescents With Functional Dyspepsia No drug interventions Not Available Not Available completed NCT00663897
Lansoprazole Versus Mosapride for Functional Dyspepsia treatment 4 completed NCT00956397
Does Small Intestinal Bacterial Overgrowth Contribute to Functional Dyspepsia treatment Not Available completed NCT05836597
Functional Dyspepsia Treatment Using Virtual Reality No drug interventions treatment Not Available recruiting NCT03971383
Phase Ⅱc Sutdy of Aolanti Weikang Tablets in FD PDS Patients No drug interventions treatment 2 unknown_status NCT01643083
Rifaximin for Functional Dyspepsia treatment 2 / 3 completed NCT00220883
Electrogastrogram (EGG) Reproducibility Study: EEG Readings in Normal Subjects and Dyspeptic Patients No drug interventions Not Available Not Available completed NCT04548011
Acupuncture of Different Treatment Frequency on Improving Quality of Life in Patients With Functional Dyspepsia No drug interventions treatment Not Available unknown_status NCT06217393
Trial of Itopride 150mg Once a Day Versus Itopride 50 mg Thrice a Day; in Patients With Functional Dyspepsia treatment 3 recruiting NCT01053871
Propofol Versus Midazolam With Fentanyl for EGD Endomicroscopy Not Available Not Available completed NCT01269671
Efficacy of Combination Therapy vs Placebo for Pediatric Functional Abdominal Pain treatment 1 withdrawn NCT00693407
Study of Endogenous Inhibitory Modulation During Gastric and Somatic Stimulation No drug interventions diagnostic Not Available completed NCT05389709
A Pharmacy-based Observational Study to Learn More About Iberogast Advance in the Real-world Setting No drug interventions Not Available Not Available completed NCT01513785
New Dual Therapy for Primary Treatment of Helicobacter Pylori Infection：a Pilot Study treatment 2 completed NCT04742985
Effects of Green Tea Extracts on Gastric Mucosal Protection No drug interventions treatment Not Available completed NCT06360900
Synergistic Gut-brain Axis Modulation Via Vagal Stimulation and Cognitive Behavioral Therapy in Functional Dyspepsia No drug interventions treatment Not Available not_yet_recruiting NCT00920400
Diagnostic Value of Fecal Calprotectin in Disorders of the Upper Gastrointestinal Tract No drug interventions Not Available Not Available completed NCT01021475
Does Visceral Manipulation Works in Treating Functional Dyspepsia? treatment 1 unknown_status NCT01667575
Efficiency Study of Clarithromycin and Bismuth-containing Quadruple Therapy to Treat H.Pylori treatment 4 completed NCT02618070
Cognitive Modulation of Dyspeptic Symptom During Food Ingestion in Functional Dyspepsia Patients Cognitive Modulation No drug interventions basic_science Not Available completed NCT01671670
Acupuncture for Patients With Function Dyspepsia No drug interventions treatment 2 / 3 completed NCT05405842
Transauricular Vagal Nerve Stimulation; Functional Dyspepsia and Gastroparesis No drug interventions treatment Not Available not_yet_recruiting NCT04540549
Effects of Exercise on Functional Dyspepsia Based on Rome IV No drug interventions treatment Not Available unknown_status NCT06326918
Duodenal Microbiota in Functional Dyspepsia No drug interventions Not Available Not Available recruiting NCT03004118
Therapeutic Effect of Ursodeoxycholic Acid in Functional Dyspepsia treatment 4 active_not_recruiting NCT01667718
Bismuth Improves the Efficacy of Levofloxacin-containing Triple Therapy for Helicobacter Pylori Treatment treatment 4 completed NCT04526119
A Phase III Trial of Z-338 in Paediatric Patients With Functional Dyspepsia No drug interventions treatment 3 recruiting NCT00323817
To Evaluate the Efficacy and Safety in Subjects With Functional Dyspepsia No drug interventions treatment 2 completed NCT03003234
Association Between Luminal Bile Salt Content and Duodenal Mucosal Integrity in Functional Dyspepsia No drug interventions basic_science Not Available completed NCT03078634
The Multi-disciplinary Treatment of Functional Gut Disorders Study No drug interventions health_services_research Not Available completed NCT04668534
Effect of Transcutaneous Auricular Vagal Nerve Stimulation on Functional Dyspepsia No drug interventions treatment Not Available unknown_status NCT01052896
Gabapentin in Functional Dyspepsia Refractory to Proton Pump Inhibition treatment 3 withdrawn NCT00761358
To Verify the Efficacy of Z-338 in Subjects With Functional Dyspepsia No drug interventions treatment 3 completed NCT03024086
Efficacy and Safety of DWJ1252 in the Treatment of Functional Dyspepsia treatment 3 completed NCT05687539
Mastiha or Mastiha Water in Functional Dyspepsia No drug interventions treatment Not Available recruiting NCT03043625
Visceral Manipulation Treatment to Patients With Non-specific Neck Pain With Functional Dyspepsia No drug interventions treatment Not Available completed NCT06500130
Effects of Liraglutide on Body Surface Gastric Mapping No drug interventions diagnostic Not Available recruiting NCT06388330
The Effect of a Low FODMAP Diet in Functional Dyspepsia Patients With Meal Related Symptoms No drug interventions treatment Not Available completed NCT03225248
Efficacy and Safety of UI05MSP015CT in Functional Dyspepsia treatment 3 completed NCT01817465
A Study to Demonstrate the Efficacy and Safety of Motilitone® No drug interventions treatment 4 completed NCT01591174
Ghrelin and Gastric Emptying in Children With Functional Dyspepsia No drug interventions Not Available Not Available completed NCT00764374
A Long-term, Open-label, Uncontrolled Trial of YM443 (Z-338) in Patients With Functional Dyspepsia treatment 3 completed NCT03176927
Biomagnetic Characterization of Gastric Dysrhythmias III No drug interventions basic_science Not Available enrolling_by_invitation NCT02037776
The Efficacy and Safety Study of Rikkunshito in Patients With Functional Dyspepsia No drug interventions treatment 4 completed NCT06466044
Effect and Mechanism of Auricular Point Stimulation on Functional Dyspepsia With Sleep Disorder No drug interventions treatment Not Available recruiting NCT03868267
Japanese Upper GI Symptoms Compared With Iranian and Canadian Patients Presenting No drug interventions Not Available Not Available unknown_status NCT03296267
Influence of Bile Acids on Bacterial Uptake in Functional Dyspepsia No drug interventions basic_science Not Available completed NCT03869372
Cerebral Cortical Influences on Autonomic Function No drug interventions basic_science Not Available active_not_recruiting NCT02660372
Efficacy and Safety of Two Simeticone Brands in Adults With Functional Dyspepsia No drug interventions treatment 3 completed NCT00673972
Comparative Study of Epigastric Pain Syndrome and Postprandial Distress Syndrome No drug interventions diagnostic 4 withdrawn NCT04464369
Functional Dyspepsia: Validation of the Leuven Postprandial Distress Scale (LPDS) in a Placebo-controlled Trial other 4 completed NCT00850746
A Study to Evaluate the Effect of Repeat Oral Doses of YM443 on Cardiac Repolarization in Healthy Adults Not Available 1 completed NCT05653310
Tradipitant for Functional Dyspepsia basic_science 2 enrolling_by_invitation NCT06313814
The Effect of Ginger on Functional Dyspepsia Symptoms and Body Fat Content Among Patients With Functional Dyspepsia No drug interventions health_services_research Not Available enrolling_by_invitation NCT06068114
Gastric Pathophysiology in Diabetes No drug interventions Not Available Not Available recruiting NCT04647955
Functional Dyspepsia: Validation of a Questionnaire for Symptom Assessment in FD PDS Subgroup other 4 completed NCT05842408
Phase III Clinical Trial of DA-5212 in Patients With Functional Dyspepsia No drug interventions treatment 3 not_yet_recruiting NCT01089543
A Study of E3810 for Japanese Subjects With Functional Dyspepsia (SAMURAI Study: Suppression of Acid Milieu With Rabeprazole Improving Functional Dyspepsia ) (Study E3810-J081-204) treatment 2 completed NCT06422052
Epidemiological Investigation of Helicobacter Pylori-infected Patients and the Effect of Eradication Treatment on Dyspepsia Symptoms No drug interventions Not Available Not Available recruiting NCT05417204
Abdominothoracic Muscular Tone in Functional Dyspepsia No drug interventions other Not Available completed NCT02863822
Study to Evaluate Dietary Modification in Patients With Functional Dyspepsia. No drug interventions treatment Not Available withdrawn NCT05823636
The Clinical Course and Factors for the Progression of Uninvestigated Dyspepsia to Functional Dyspepsia No drug interventions Not Available Not Available recruiting NCT06150638
Treatment of Functional Abdominal Distension by Non-instrumental Biofeedback No drug interventions treatment Not Available recruiting NCT03252743
ICBT for Pain-predominant FGIDs in Children and Adolescents: an Implementation Study. No drug interventions treatment Not Available completed NCT02197143
A Comparison of Efficacy of Intravenous Esomeprazole and Ranitidine Treatment of Dyspeptic Pain treatment 4 completed NCT00275743
Use of MRI for Assessing Stomach Relaxation in Response to a Meal No drug interventions diagnostic 1 completed NCT00521703
Evaluation of Topical Lidocaine Spray as Adjuvant to Upper Gastrointestinal Endoscopy in Children treatment 3 completed NCT00112203
Long-Term Safety and Efficacy of Itopride Hydrochloride (HCl) in Patients Suffering From Functional Dyspepsia treatment 3 completed NCT01028690
Control of Helicobacter Pylori Infection by Dietary Supplementation With Lactobacillus Reuteri No drug interventions treatment Not Available unknown_status NCT00112190
Effect of Itopride, on Symptoms of Functional Dyspepsia, Such as Indigestion, Bloating, Inability to Finish a Meal treatment 3 completed NCT04525664
Assessment and Management of Chronic Dyspepsia in Eastern Uganda treatment 0 completed NCT00303264
The Safety and Efficacy of Dexloxiglumide for the Relief of Symptoms of Functional Dyspepsia. treatment 2 completed NCT06446921
The Effect of a Ginger Supplement on Digestive Complaints in Healthy Adults Versus a Placebo No drug interventions prevention Not Available not_yet_recruiting NCT01248221
Carbon-13 (13C)-Spirulina Platensis Gastric Emptying Breath Test (GEBT) diagnostic Not Available completed NCT04302402
Multi-dimensional Clinical and Pathophysiological Profiles of Patients With Functional Dyspepsia and Effect of Gut Microbiota Manipulation Using Rifaximin for Its Treatment treatment 2 unknown_status NCT00723502
Efficacy and Safety Study of Finafloxacin Used in Helicobacter Pylori Infected Patients treatment 2 completed NCT04429802
The Effect of Prucalopride (Resolor®) on Gastric Motor Function and Gastric Sensitivity treatment Not Available completed NCT01199679
Rubber Band Ligation and Mucosectomy for Gastroesophageal Reflux Disease (GERD) No drug interventions treatment Not Available terminated NCT05515887
Influence of Shenqu Xiaoshi Oral Liquid on Intestinal Microbiome of Children With Functional Dyspepsia treatment 4 recruiting NCT05553587
Symptoms and Physiological Effects of Amara in Functional Dyspepsia No drug interventions treatment 4 unknown_status NCT00112333
Defining Central Circuits of Pain No drug interventions diagnostic Not Available completed NCT02664051
Mast Cells in Acid-induced Intestinal Permeability other 4 terminated NCT06369753
Visible Abdominal Distension No drug interventions treatment Not Available not_yet_recruiting NCT02425553
Effects of Diet on Reflux and Dyspepsia No drug interventions Not Available Not Available completed NCT01152047
The Effect of Oxytocin on Gastric Emptying treatment Not Available completed NCT04988347
Spirulina Platensis for PPI Withdrawal treatment 2 completed NCT02134405
Rebamipide in Combination With Esomeprazole in the Management of Asian Patients With Functional Dyspepsia treatment 4 unknown_status NCT02737683
Heterogeneous Distribution of Health Literacy and Emotional State on Patients With Functional Dyspepsia. No drug interventions Not Available Not Available unknown_status NCT03321383
Health Related Quality of Life in Functional Dyspepsia No drug interventions Not Available Not Available completed NCT02481583
Pharmacokinetic Study of Levosulpiride basic_science 1 completed NCT06241183
Famotidine and Antacids for Treatment of Dyspepsia treatment 4 recruiting NCT03479528
The Predictive Value of Alarm Symptoms in Patients With Dyspepsia Based on Roman IV No drug interventions Not Available Not Available unknown_status NCT03941288
Efficacy and Safety of Cannabidiol for Gastroparesis and Functional Dyspepsia treatment 2 completed NCT00285688
Antibiotic Resistant Helicobacter Pylori in Rajavithi Hospital No drug interventions Not Available Not Available completed NCT01849107
Plasma Citrulline: A Marker for Monitoring & Quantifying Radiation-Induced Small Bowel Toxicity diagnostic Not Available completed NCT01677715
Study of Yili Mei Yi Tian Active Lactobacillus Drink to Improve Immunity and Digestive System No drug interventions prevention Not Available completed NCT05237115
Helicobacter Pylori Eradication With Probiotics Combined With Triple Therapy Versus Bismuth-containing Quadruple Therapy treatment 4 completed NCT01888237
High Dose PPI Triple Therapy Versus Sequential Therapy for Helicobacter Pylori Eradication No drug interventions treatment 4 completed NCT00232037
Extension Study to Assess the Long-Term Safety of Tegaserod in Women With Symptoms of Dyspepsia treatment 3 completed NCT03089632
The Effect of Gluten-free Diet in Type 1 Diabetics With Dyspepsia Symptoms No drug interventions treatment Not Available unknown_status NCT02522000
Functional Dyspepsia and Symptom Perception No drug interventions Not Available Not Available unknown_status NCT01449500
Supplementation With L. Reuteri in H. Pylori Infected Adults No drug interventions supportive_care Not Available unknown_status NCT04247100
A Study of Randomized Sham-control Auricular TENS Unit Stimulation in Pediatric Functional Gastrointestinal Disorders No drug interventions treatment Not Available terminated NCT05524675
The Effect of Multiple Medications on the Incidence of Organic Dyspepsia No drug interventions Not Available Not Available unknown_status NCT02170870
Gastrointestinal Sensorimotor Dysfunctions in Diabetes Mellitus No drug interventions basic_science 2 completed NCT05107999
Stigma and Efficacy of Zhizhu Kuanzhong Capsules treatment Not Available unknown_status NCT00673699
The Role of Narrow-Band Imaging Endoscopy in Diagnosing Gastric Intestinal Metaplasia No drug interventions Not Available Not Available unknown_status NCT04053049
Advancing Nutritional Science for Children With Functional Dyspepsia No drug interventions other Not Available completed NCT01408849
Use of Maytenus Ilicifolia in the Treatment of Dyspepsia treatment 2 terminated NCT01349413
BRAVO Study for Functional Dyspepsia diagnostic 4 completed NCT05099913
The Role of Neuromodulators in Refractory Functional Dyspepsia treatment Not Available unknown_status NCT03205319
Trial to Reduce Inappropriate Oesophagogastroduodenoscopies for Dyspepsia No drug interventions other Not Available completed NCT05750641
The Efficacy of Removal of Animal Milk From the Diet in Functional Dyspepsia: A Cross-sectional Study No drug interventions Not Available Not Available completed NCT04697641
Helicobacter Pylori Eradication in Functional Dyspepsia treatment Not Available completed NCT02306941
Internet-delivered CBT for Functional Abdominal Pain in Adolescents - a Pilot No drug interventions treatment Not Available completed NCT02498041
The Efficacy and Patient Tolerance of Ultrathin Nasal Endoscopy to Detect Barrett's Oesophagus No drug interventions diagnostic Not Available completed NCT05624034
To Study the EGG Abnormalities in Healthy Subjects and in Patients With Idiopathic and Diabetic Gastroparesis. No drug interventions Not Available Not Available recruiting NCT01696734
Domperidone in Treating Patients With Gastrointestinal Disorders treatment 3 recruiting NCT00243724
HEARD (Long Term) Study - Histology of the Esophagus in Acid-Related Disease treatment 3 completed NCT00232024
Assessment of Efficacy and Safety of Tegaserod Treatment and Placebo in Women With Dyspepsia treatment 3 completed NCT03617016
Preliminarily Evaluate the Efficacy of Domperidone in Adult Chinese Participants With Functional Dyspepsia treatment 4 completed NCT06002516
RELIEF-pathway in Patients With Upper Abdominal Pain No drug interventions treatment Not Available not_yet_recruiting NCT02091635
Efficacy of Motilitone on Gastric Accommodation in Healthy Adult Patients: Evaluation Using MRI Method No drug interventions treatment Not Available completed NCT00443963
Total Antioxidant Effects of Esomeprazole in Dyspeptic Patients Receiving Non-steroidal Anti-inflammatory Drugs treatment 4 withdrawn NCT04697186
Helicobacter Pylori Eradication With Berberine Plus Amoxicillin Triple Therapy Versus Bismuth-containing Quadruple Therapy treatment 4 completed NCT04069286
EFFICACY OF ORAL AROEIRA (Schinus Terebinthifolia Raddi) COMPARED TO OMEPRAZOLE IN DYSPEPPSIA treatment 3 not_yet_recruiting NCT02358486
The Effect and Mechanism of Acupuncture on Functional Dyspepsia No drug interventions treatment Not Available unknown_status NCT03857425
Helicobacter Pylori Eradication With Clostridum Butyricum Capsule and Bacillus Coagulans Tablets treatment 4 completed NCT03603730
Vagal Nerve Stimulation for Functional Dyspepsia and Gastroparesis No drug interventions basic_science 0 recruiting NCT00171457
The Effects of Tegaserod on Mechanical Sensitivity of the Esophagus and Stomach in Patients With Heartburn and Dyspepsia. treatment 3 completed NCT06568965
Clinical Study of De-Stress & Happy Gut Powder for Stress and Indigestion in Adults. No drug interventions supportive_care Not Available not_yet_recruiting NCT01915173
Response to Supplement and Placebo in GERD No drug interventions treatment Not Available completed NCT02001727
HEP-FYN 12-Years Follow-up No drug interventions prevention Not Available unknown_status NCT02113527
Gastric Activity and Gastrointestinal Peptides in Patients With Functional Dyspepsia No drug interventions Not Available Not Available completed NCT02604576
Efficacy of Bromopride and Simethicone Versus Bromopride in Functional Dyspepsia treatment 3 completed NCT03856294
The Effect of Rikkunshito on Gastric Accommodation and Nutrient Volume Tolerance in Functional Dyspepsia No drug interventions treatment 2 completed NCT02775591
Effect of Short-term Motilitone Therapy on Health-related Quality of Life in PD Patients With Gastrointestinal Symptoms No drug interventions treatment 4 completed NCT06094062
Smartphone App-assisted PPI No drug interventions health_services_research Not Available recruiting NCT00115362
Serotonin Effect in Functional Dyspepsia treatment Not Available completed NCT04030780
Effect of Sporebiotics in FD No drug interventions treatment Not Available completed NCT03420729
Acceptability and Tolerability of Magnetic Assisted Capsule Endoscopy Compared to Gastroscopy No drug interventions diagnostic Not Available completed NCT00232089
Assessment of Efficacy and Safety of Tegaserod Treatment and Placebo in Women With Dyspepsia treatment 3 completed NCT00251992
Nexium Dyspepsia/AST treatment 3 completed NCT05749692
The Impact of COVID-19 Infection on the Symptoms of Functional Dyspepsia No drug interventions Not Available Not Available recruiting NCT01382667
Plasma Levels of Glucagon-like Peptide-2 and Dyspepsia in Patients With Extraintestinal Cancer During Chemotherapy No drug interventions Not Available Not Available completed NCT01281501
Symptomatic Relief of Acute Dyspeptic Pain in Emergency Department With Pantoprazole treatment 4 completed NCT00363701
Study of Long-Term Use of Proton-Pump-Inhibitors in General Practice treatment 4 unknown_status NCT03531372
Mipolixin® Compared to Poliprotect® in Moderate Functional Dyspepsia and Heartburn. No drug interventions treatment Not Available completed NCT04918472
Minimally Invasive Evaluation of Dyspepsia by Combined Magnetically Controlled Capsule Endoscopy and Urea Breath Test: a Pilot Prospective Cohort Study No drug interventions diagnostic Not Available completed NCT00110968
Long-term Safety and Efficacy of Itopride Hydrochloride (HCl) in Patients Suffering From Functional Dyspepsia treatment 3 completed NCT00437346
Functional Dyspepsia - Effect of Acid-Reducing Treatment and Information. No drug interventions treatment Not Available terminated NCT01712412
Phase 2a Study of IW-9179 to Treat Functional Dyspepsia treatment 2 terminated NCT03745781
Open-Label Placebo for Functional Dyspepsia No drug interventions treatment 0 terminated NCT01980095
ERADICATE Hp - Treating Helicobacter Pylori With RHB-105 No drug interventions treatment 3 completed NCT02611414
Effectiveness of tDCS for the Treatment of Functional Dyspepsia No drug interventions treatment 2 / 3 unknown_status NCT00251914
Nexium Dyspepsia/AST treatment 3 completed NCT02685150
Endoscopic Tri-Modal Imaging to Distinguish Functional Dyspepsia From Reflux Disease diagnostic Not Available completed NCT04294823
Sensitivity and Specificity of the Modified Helicobacter Test INFAI Not Available Not Available withdrawn NCT04043208
Treatment of Functional Abdominal Distension No drug interventions treatment Not Available completed NCT02151708
Efficacy of Motilitone on Gastric Emptying in Patients With Functional Dyspepsia: Evaluation Using MRI Method No drug interventions treatment Not Available unknown_status NCT05629143
Primary carE PPi dEprescRibing Trial treatment 4 recruiting NCT00148603
Montelukast in the Treatment of Duodenal Eosinophilia treatment Not Available completed NCT01973790
Phase III, Long-term, Open-label Safety Study of Z-338 treatment 3 completed NCT02105090
Efficacy Study of Articaine Lozenge to Enhance the Procedural Compliance of the Adults Undergoing Gastroduodenoscopy treatment 4 unknown_status NCT03883464
Quality of Life Related to Digestive Symptoms After Cholecistectomy. Short Term Effects of a Low Fat Intake. No drug interventions other Not Available completed NCT04204421
ESM in Functional Dyspepsia No drug interventions diagnostic Not Available completed NCT02296021
Helicobacter Pylori Eradication With Berberine Quadruple Therapy Versus Bismuth-containing Quadruple Therapy treatment 4 completed NCT00232102
Extension Study to Assess the Long-Term Safety of Tegaserod in Women With Symptoms of Dyspepsia treatment 3 completed NCT05131802
Bile Reflux Gastropathy: Prevalence and Risk Factors After Therapeutic Biliary Interventions No drug interventions Not Available Not Available completed NCT02928484
Evaluation of the Effect of a Probiotic Supplement Upon Gastrointestinal Function No drug interventions prevention 1 / 2 unknown_status NCT06320379
Zypan Functional Dyspepsia No drug interventions other Not Available recruiting NCT00328679
Evaluation of Food Hypersensitivity in Children/Adolescents With Functional Dyspepsia No drug interventions supportive_care 1 completed NCT02956187
Treatment of Constipation in Functional Dyspepsia No drug interventions treatment Not Available completed NCT05287633
Proton Pump Inhibitors Effects on Dyspepsia During Ramadan Fasting prevention 1 / 2 recruiting NCT00761254
Domperidone for Relief of Gastrointestinal Disorders treatment Not Available terminated NCT06394154
Validation of a Mental Health Scale for Young People With Chronic Stomach Symptoms No drug interventions Not Available Not Available not_yet_recruiting NCT00173953
Lymphocytic Subsets and Cytokine Production With H. Pylori Infection No drug interventions diagnostic Not Available completed NCT00112177
Effect of Itopride, on Symptoms of Functional Dyspepsia, Such as Indigestion, Bloating, Inability to Finish a Meal treatment 3 completed NCT00217347
Evaluation of Efficiency of Esophageal Capsule Endoscopy in the Screening of Patients With Gastroesophageal Reflux Disease or Dyspepsia as Compared to Upper Endoscopy No drug interventions diagnostic Not Available completed NCT01682798
Study of Yili "Changqing" Pro-ABB Yoghurt in the Improvement of Human Gastrointestinal Tract System No drug interventions prevention Not Available completed NCT03617861
Effect of Secretin in Functional Dyspepsia and Healthy Subjects treatment 1 / 2 completed NCT01140828
A Study of Rabeprazole for Prevention of Non Steroidal Anti-inflammatory Drug -Associated Gastroduodenal Injury treatment 3 completed NCT03076411
Pepsin in Patients With Functional Dyspepsia Not Available Not Available completed NCT02875678
A Study to Evaluate the Effects of ABX-1431 on Patients With Functional Dyspepsia basic_science 1 terminated NCT00996788
Anti Free Radical & Anti Inflammatory Effect & Safety of Rebamipide in Chronic Gastritis treatment 3 completed NCT03198507
ERADICATE Hp2 - Treating Helicobacter Pylori With RHB-105 Compared to Active Comparator treatment 3 completed NCT05378009
Functional Dyspepsia Response to Relaxation Therapy and Physical Activity No drug interventions treatment Not Available unknown_status NCT04449185
Change of Gut Microbiome and Symptom After H.Pylori Eradication Therapy in Patients With Functional Dyspepsia treatment 4 unknown_status NCT00247715
Comparison of a "Step-Up" Versus a "Step-Down" Treatment Strategy for Patients With New Onset Dyspepsia in General Practice (The DIAMOND-Study) treatment Not Available completed NCT00120315
Proton Pump Inhibitor Treatment Stop treatment 4 completed NCT01670552
Evaluation of Two Therapies for the Treatment of Osteoarticular Inflammation in Dyspeptic Patients treatment 3 completed NCT03844100
Effectiveness and Safety in Administrating CNU® Capsule to Refractory Functional Dyspepsia Patients treatment 1 / 2 completed NCT01205100
Treatment of Abdominal Distension by Biofeedback - a Randomized Controlled Trial No drug interventions treatment Not Available completed NCT02621359
A Two Week Nitazoxanidebased Quadruple Regimen treatment 3 unknown_status NCT00978159
Esomeprazole or Famotidine in the Management of Aspirin Related Non-Ulcer Dyspepsia treatment 4 unknown_status NCT00171470
The Role of Tegaserod Therapy in the Management of Dyspeptic Symptoms in Female Patients on Proton Pump Inhibitors for the Treatment of Heartburn. treatment 3 completed NCT04684199
Melatonin in Pediatric FD Population No drug interventions treatment Not Available completed NCT05055336
Longitudinal Evaluation of Gastric Emptying and Accommodation in Children With Dyspepsia No drug interventions diagnostic Not Available withdrawn NCT05377619
Preventing Gastric Glitch With Prucalopride and Buspirone: N-of-1 Clinical Trial prevention 1 / 2 completed NCT05199441
Efficacy of Galeo® in Patients With Postprandial Distress Syndrome Subtype in Functional Dyspepsia treatment 4 completed NCT06108817
Low-value Chronic Prescription of Acid Reducing Medication Among Dutch General Practitioners No drug interventions health_services_research Not Available completed NCT03207516
Sourdough Bakery Products and Digestive Function No drug interventions supportive_care Not Available completed NCT05030116
Clinical Trial for 'Shen Qu Xiao Shi' Oral Liquid in the Treatments of Children's Functional Dyspepsia treatment 4 completed NCT02620696
Effect of Netazepide on Omeprazole-induced Changes in Chromogranin A and Gastrin treatment 1 completed NCT00164996
Ultrathin Versus Conventional Esophagogastroduodenoscopy in Unsedated Patient With or Without Local Pharyngeal Anaesthesia No drug interventions treatment 3 completed NCT02360696
Functional Dyspepsia (FD) - Clinical Response to Montelukast in Children No drug interventions Not Available Not Available completed NCT02465996
Gastric Barrier Dysfunction of Functional Dyspepsia and Therapeutic Response to Puyuanhewei Detected by Endomicroscopy No drug interventions Not Available Not Available unknown_status NCT01851863
Compliance With Antidepressant Medication in Treatment of Functional Dyspepsia treatment 4 completed NCT03548363
Effect of Gingest on Symptoms of Dyspepsia No drug interventions treatment Not Available completed NCT05750186
The Effect of Abdominal Massage Applied After Surgery No drug interventions supportive_care Not Available recruiting NCT00275886
Activation and Recruitment of GIL During Hp Infection No drug interventions Not Available Not Available unknown_status NCT02592239
Hedonic Perception and Brain Activity Response to Meal No drug interventions diagnostic Not Available completed NCT03931330
Does Improving Vagal Tone Increase Mitochondrial Bioenergetics No drug interventions treatment Not Available completed NCT02633930
Helicobacter Pylori Eradication With Berberine Quadruple Therapy Versus Clarithromycin Quadruple Therapy treatment 4 completed NCT03119766
Clinical Trial of Efficacy and Safety of Kolofort in Functional Dyspepsia Patients No drug interventions treatment 4 completed NCT00296582
Gastric Motor Function Measurement in Dyspepsia and Normal Subjects No drug interventions diagnostic Not Available completed NCT03444831
Buspirone Plus Omeprazole for Functional Dyspepsia treatment 4 completed NCT01355276
Efficacy and Safety of Cinitapride Tablets in the Treatment of Mild to Moderate Functional Dyspepsia treatment 3 completed NCT02570776
UBT as a Diagnostic Tool for HP Prevalance No drug interventions Not Available Not Available unknown_status NCT05718960
Traditional Dietary Advice Versus Reassurance-alone in Postprandial Functional Dyspepsia No drug interventions treatment Not Available recruiting NCT00298194
The Effects of Z-338 in Subjects With and Without Functional Dyspepsia No drug interventions treatment 2 completed NCT01869491
Compound Sodium Alginate Double Action Chewable Tablet Symptomatic Relief Study treatment 3 completed NCT04918329
Functional Digestive Disorders Observatory No drug interventions Not Available Not Available recruiting NCT02551029
fMRI and Visceral Perception Upon Capsaicin Infusion No drug interventions basic_science Not Available completed NCT01667692
Aizthromycin or Clarithromycin in H-pylori Eradication Regimen treatment 4 completed NCT04678492
Helicobacter Rescue Therapy With High-dose Esomeprazole and Amoxicillin Dual Therapy Versus Bismuth-containing Quadruple Therapy treatment 4 completed NCT00220844
Tricyclic Antidepressants (TCAs) on Gastric Emptying treatment Not Available terminated NCT05503940
Association of Multiple Medications With the Severity of Dyspepsia No drug interventions Not Available Not Available unknown_status NCT01737840
Comparison of Pantoprazole and Ranitidine in Dyspepsia treatment 4 completed NCT04883567
The Use of AI to Improve Quality of OGD No drug interventions Not Available Not Available unknown_status NCT02153567
SSRI Study for Functional Dyspepsia (SS) treatment 3 completed NCT02175901
Amoxicillin/Metronidazole Based Quadruple Therapy for Helicobacter Pylori Eradication treatment 4 completed NCT02365701
Study of Motilitone to Treat Functional Dyspepsia No drug interventions treatment 2 completed NCT03635372
A Comparison of Effectiveness of Oral Sucrolfate, Alginate and Hydrotalcide in Dispeptic Pain Treatment treatment 4 completed NCT05742568
Effects of High-dose Dual Therapy and Bismuth Quadruple Therapy for Helicobacter Pylori Eradication on Intestinal Microecology treatment 4 recruiting NCT05810168
Traditional Dietary Advice Versus Low FODMAP Diet in Postprandial Functional Dyspepsia No drug interventions treatment Not Available recruiting NCT02388269
A Randomized, Single Centre, Double-blind, Parallel, Sham-controlled Pilot Study Using gammaCore®-G No drug interventions prevention Not Available completed NCT02039869
Confocal Endomicroscopy for Non-Erosive Reflux Disease (CE NERD) diagnostic Not Available withdrawn NCT05004012
Magnetically Controlled Capsule Endoscopy Feasibility Study in Gastric Motility No drug interventions diagnostic Not Available active_not_recruiting NCT02282995
Effect of Genetic Association With Functional Dyspepsia and Mood Disorders No drug interventions Not Available Not Available unknown_status NCT04153552
Upset Stomach Relief for Mild and Moderate Indigestion and Heartburn No drug interventions other Not Available completed NCT04917913
Efficacy of a Digestive Enzyme Blend No drug interventions basic_science Not Available unknown_status NCT06293326
A First-in-Human Study to Learn How Well a Bi-Layer Calcium Carbonate Antacid Tablet Works Compared to a Standard, Non-Layered Calcium Carbonate Tablet in Healthy Male Participants other 1 completed NCT01837940
Efficacy of a Dietary Supplementation With Lactobacillus Reuteri for Digestive Health in an Elderly Population No drug interventions treatment 3 completed NCT03865290
Effects of Ondansetron on Gastrointestinal Sensorimotor Dysfunctions in Diabetes Mellitus and Dyspepsia treatment 2 recruiting NCT00292578
NAET® Testing Devices in Detection of Hypersensitivity to Cane Sugar No drug interventions diagnostic 1 / 2 completed NCT01129713
Comparison of Nexium Versus Secretol in the Healing and Controlling of Symptoms in GERD Patients With Severe EE. treatment 1 / 2 unknown_status NCT05473325
Benchtop NMR Spectroscopy for Assessment of Clinical Human Pathologies (BRANCH-P STUDY) No drug interventions Not Available Not Available not_yet_recruiting NCT06452966
The Impact and Effect of Traditional Chinese Medicine Treatment on Organ Failure in Critically Ill Patients No drug interventions treatment Not Available recruiting NCT00222131
Inhibition of Gastric Acid is the Key to Satisfactory Relief of Symptoms With Esomeprazole in NUD Patients treatment 2 completed NCT02277431
Probiotic Supplementation Among Adults With Recurrent Gastrointestinal Symptoms No drug interventions other 2 / 3 completed NCT00102310
YM443 in Subjects With Functional Dyspepsia No drug interventions treatment 2 completed NCT00275795
NAET Screening for Food Allergy, Sensitivity and Intolerances Using IgE-Specific Antigen Test and NST- NAET® No drug interventions Not Available Not Available completed NCT03428568
Safety Trial of Herbal Melanin in Gastritis Patients treatment 2 unknown_status