| Not Yet Recruiting | Efficacy Evaluation of Electroacupuncture in the Treatment of Functional Dyspepsia NCT07496580 | The Third Affiliated hospital of Zhejiang Chinese Medical University | N/A |
| Not Yet Recruiting | Probiotics in Functional Dyspepsia NCT07276009 | Nordic Biotic Sp. z o.o. | N/A |
| Recruiting | Probiotic and Ginger Supplement for Symptoms and Quality of Life in Functional Dyspepsia (SUBTILE) NCT07212907 | Biocodex | N/A |
| Recruiting | Pain in Pediatric Patients - Internet Interventions for Disorders of Gut-brain Interaction NCT07319078 | Karolinska Institutet | N/A |
| Not Yet Recruiting | Feasibility Study of a Guided Imagery Therapy Mobile Application for Functional Abdominal Pain Disorders in Ch NCT07222943 | Baylor College of Medicine | N/A |
| Recruiting | Auricular Stimulation for Functional Dyspepsia With Insomnia: Efficacy and Mechanisms NCT07442734 | The First Affiliated Hospital of Zhejiang Chinese Medical University | N/A |
| Recruiting | Synergistic Gut-brain Axis Modulation Via Vagal Stimulation and Support Therapy in Functional Dyspepsia NCT06360900 | Spaulding Rehabilitation Hospital | N/A |
| Not Yet Recruiting | Postprandial Distress Itopride Cohort Trial NCT07165301 | Universitaire Ziekenhuizen KU Leuven | — |
| Recruiting | Correlation Study of Atrophic Gastritis and Dyspepsia Symptoms NCT07250308 | The Third Affiliated hospital of Zhejiang Chinese Medical University | — |
| Not Yet Recruiting | The Effects of STW 5-II on Duodenal Mucosa and Symptoms in Functional Dyspepsia NCT07198243 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Recruiting | Efficacy of Bacillus Coagulans in Alleviating Anxiety and Depression in Patients With Functional Dyspepsia NCT07187492 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Recruiting | Efficacy of Clostridium Butyricum in Alleviating Anxiety and Depression in Patients With Functional Dyspepsia NCT07182890 | Xijing Hospital of Digestive Diseases | Phase 4 |
| Recruiting | Bio-electrical Impedance Analysis in Patients With Functional Dyspepsia NCT07196735 | Universitair Ziekenhuis Brussel | — |
| Recruiting | Press Needle on Body Acupuncture Points and Auricular Acupuncture Points on Functional Dyspepsia NCT07210294 | Indonesia University | N/A |
| Recruiting | Mechanism of FODMAP Restriction on FGID Patients NCT07000227 | Universiti Kebangsaan Malaysia Medical Centre | N/A |
| Active Not Recruiting | The Effect of Two Prokinetics in Patients With Functional Dyspepsia NCT07096921 | Eunpyeong St. Mary's Hospital | N/A |
| Recruiting | Effect of Amitriptyline and Trifluoperazine on Patients With Functional Dyspepsia NCT07008235 | Md. Moktadirul Hoque Shuvo | Phase 2 / Phase 3 |
| Recruiting | Brain-Gut Yoga for Functional Dyspepsia and Gastroparesis (FD-GP) NCT06732453 | Wake Forest University Health Sciences | N/A |
| Completed | The Brain-Heart-Gut Connection NCT06748274 | University of Bern | N/A |
| Recruiting | A Prospective Multicentre Real-world Assessment of the Efficacy of Danning Tablets in Alleviating Digestive Sy NCT06755671 | Shanghai Hutchison Pharmaceuticals Limited | — |
| Recruiting | Evaluation of the Efficacy of Electroacupuncture in the Treatment of Functional Dyspepsia NCT06618911 | Yi Liang | N/A |
| Enrolling By Invitation | Enabling Microbiomics- Driven Personalized Nutrition NCT06657001 | Mayo Clinic | — |
| Not Yet Recruiting | Prokinetics and Body Surface Gastric Mapping in Dyspeptic Patients: Baseline and Treatment Effects NCT06854120 | University of Auckland, New Zealand | — |
| Active Not Recruiting | AutoSTEA for Adults With Functional Dyspepsia NCT07020416 | MetroHealth Medical Center | Phase 1 |
| Recruiting | Autonomic Reactivity and Personalized Neurostimulation NCT06863207 | Medical College of Wisconsin | N/A |
| Recruiting | Effects of Cognitive Behavioral Therapy Through a Mobile App on Patients With Refractory Functional Dyspepsia NCT06756139 | Air Force Military Medical University, China | N/A |
| Not Yet Recruiting | Zuojin Wan Combined With Rabeprazole or Mosapride for the Treatment of Functional Dyspepsia Combined With Depr NCT06481371 | Nanjing First Hospital, Nanjing Medical University | N/A |
| Recruiting | VICO-trial: Video Consultations in the Follow-up of Children With Functional Abdominal Pain Disorders NCT06665867 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | N/A |
| Completed | Effects of Liraglutide on Body Surface Gastric Mapping NCT06500130 | Alimetry | N/A |
| Completed | Effect and Mechanism of Auricular Acupressure on Functional Dyspepsia With Insomnia NCT06466044 | The First Affiliated Hospital of Zhejiang Chinese Medical University | N/A |
| Recruiting | Budesonide as a Treatment for Functional Dyspepsia NCT06841406 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Recruiting | Functional Dyspepsia Treatment Using Virtual Reality NCT05836597 | Mayo Clinic | N/A |
| Completed | Trial of Itopride 150mg Once a Day Versus Itopride 50 mg Thrice a Day; in Patients With Functional Dyspepsia NCT06217393 | Abbott | Phase 3 |
| Unknown | Duodenal Microbiota in Functional Dyspepsia NCT06326918 | King Chulalongkorn Memorial Hospital | — |
| Withdrawn | Transauricular Vagal Nerve Stimulation; Functional Dyspepsia and Gastroparesis NCT05405842 | Stanford University | N/A |
| Completed | A Study To Evaluate the Feasibility of the Decentralized Clinical Trial in South Korea NCT06005805 | Seoul National University Hospital | N/A |
| Unknown | Baduanjin Program Effect on Geriatric Functional Dyspepsia NCT05915520 | Cairo University | N/A |
| Unknown | Mechanisms of Electroacupuncture for Functional Dyspepsia Based on "Enterotypes" and Metabolomics NCT05920395 | Wuhan Central Hospital | N/A |
| Completed | Clinical Trial of DA-5212 in Patients with Functional Dyspepsia NCT05842408 | Dong-A ST Co., Ltd. | Phase 3 |
| Enrolling By Invitation | The Effect of Ginger on Functional Dyspepsia Symptoms and Body Fat Content Among Patients With Functional Dysp NCT06313814 | University of Debrecen | N/A |
| Unknown | Measurement and Analysis of Gas Composition in Digestive Tract NCT05810805 | Xiuli Zuo | — |
| Completed | A Study of Glutamine to Treat Intestinal Permeability in Functional Dyspepsia NCT05655819 | David J. Cangemi | Phase 1 / Phase 2 |
| Enrolling By Invitation | Tradipitant for Functional Dyspepsia NCT05653310 | Xiao Jing (Iris) Wang | Phase 2 |
| Recruiting | Evaluation of the SIMBA Capsule for Small Intestinal Dysbiosis NCT05633706 | Nimble Science Ltd. | — |
| Completed | DLBS2411 Treatment For Functional Dyspepsia NCT05248802 | Dexa Medica Group | Phase 3 |
| Recruiting | Exposure-Based CBT for Avoidant/Restrictive Food Intake in Functional Dyspepsia NCT05587127 | Massachusetts General Hospital | N/A |
| Enrolling By Invitation | Body Surface Gastric Mapping to Evaluate Patients With Upper Gastrointestinal Symptoms and Controls NCT05812339 | University of Calgary | — |
| Recruiting | Gastric Pathophysiology in Diabetes NCT06068114 | Institute for Clinical and Experimental Medicine | — |
| Completed | Improvement of Functional Dyspepsia After Drinking Alkaline Ionized Water From Alkaline Ionizer NCT05693259 | Wonju Severance Christian Hospital | N/A |
| Completed | A Pharmacy-based Observational Study to Learn More About Iberogast Advance in the Real-world Setting NCT05389709 | Bayer | — |
| Completed | Mastiha or Mastiha Water in Functional Dyspepsia NCT05687539 | Harokopio University | N/A |
| Recruiting | Clinical Course of Functional Dyspepsia and Factors Predicting Outcome in Patients Receiving Medication-based NCT05513040 | Air Force Military Medical University, China | — |
| Unknown | Transcutaneous Auricular Vagal Nerve Stimulation for Functional Dyspepsia With Sleep Disturbances: a Randomize NCT05827575 | Second Affiliated Hospital of Xi'an Jiaotong University | N/A |
| Recruiting | Confocal Laser Endomicroscopy Based Diet in Functional Dyspepsia NCT05666154 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Unknown | Treatment Outcomes For Functional Dyspepsia Based On Current International Guidelines In Multi-Ethnic Asian Pa NCT04918017 | University of Malaya | Phase 4 |
| Unknown | Zhizhu Kuanzhong Capsule for Patients With Functional Dyspepsia-Postprandial Distress Syndrome NCT04380233 | Hong Kong Baptist University | N/A |
| Completed | Neuro-immune Interactions and PPI NCT04713969 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Active Not Recruiting | A Phase III Trial of Z-338 in Paediatric Patients With Functional Dyspepsia NCT04526119 | Zeria Pharmaceutical | Phase 3 |
| Completed | Effects of Green Tea Extracts on Gastric Mucosal Protection NCT04742985 | Pusan National University Yangsan Hospital | N/A |
| Unknown | Efficacy of Linaclotide in Patients With Overlapping Functional Gastrointestinal Disorders NCT05134584 | RenJi Hospital | Phase 4 |
| Completed | Association of Functional Dyspepsia Symptom Diary Score and Other Scores Related to Functional Dyspepsia and I NCT04953975 | Air Force Military Medical University, China | — |
| Unknown | Effect of Transcutaneous Auricular Vagal Nerve Stimulation on Functional Dyspepsia NCT04668534 | Air Force Military Medical University, China | N/A |
| Unknown | Acupuncture of Different Treatment Frequency on Improving Quality of Life in Patients With Functional Dyspepsi NCT04548011 | Guang'anmen Hospital of China Academy of Chinese Medical Sciences | N/A |
| Completed | Effect of STW5 (Iberogast ®) and STW5-II (Iberogast N®) on Transit and Tolerance of Intestinal Gas NCT04656730 | Hospital Vall d'Hebron | Phase 4 |
| Unknown | Effects of Exercise on Functional Dyspepsia Based on Rome IV NCT04540549 | Second Affiliated Hospital of Xi'an Jiaotong University | N/A |
| Unknown | The Role of Intestinal Flora in the Pathogenesis of FD and the Intervention of Xiangsha Liujunzi NCT04449887 | Xiyuan Hospital of China Academy of Chinese Medical Sciences | N/A |
| Recruiting | Clinical Trial for the Evaluation of the Efficacy and Safety of EDL on Dyspepsia NCT04482478 | Seoul National University Bundang Hospital | N/A |
| Recruiting | The Six Food Elimination in Postprandial Distress Syndrome NCT05651386 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Completed | Controlled Trial of Gastric Electrical Stimulation in Children NCT07474415 | Nationwide Children's Hospital | N/A |
| Unknown | International Clinical Study of Zhizhu Kuanzhong Capsule NCT03825692 | Xiyuan Hospital of China Academy of Chinese Medical Sciences | Phase 4 |
| Completed | Comparing Pertechnetate SPECT/CT and Intragastric Pressure During Nutrient Drink for Gastric Accommodation NCT06673719 | Universiti Sains Malaysia | N/A |
| Unknown | Phase Ⅱc Sutdy of Aolanti Weikang Tablets in FD PDS Patients NCT03971383 | Jiangxi Qingfeng Pharmaceutical Co. Ltd. | Phase 2 |
| Unknown | Japanese Upper GI Symptoms Compared With Iranian and Canadian Patients Presenting NCT03868267 | Hamilton Health Sciences Corporation | — |
| Completed | Functional Dyspepsia Hypnosis NCT03884270 | Sarah Kinsinger | N/A |
| Completed | The Effect of a Low FODMAP Diet in Functional Dyspepsia Patients With Meal Related Symptoms NCT06388330 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Active Not Recruiting | Cerebral Cortical Influences on Autonomic Function NCT03869372 | David Levinthal | N/A |
| Terminated | Nortriptyline for the Treatment of Functional Dyspepsia NCT03652571 | Maastricht University Medical Center | Phase 3 |
| Completed | Transcutaneous Auricular Vagus Nerve Stimulation Treatment on Functional Dyspepsia NCT04706871 | Beijing Tongren Hospital | N/A |
| Completed | Relationship Between Gastric Accommodation, TLESRs and Reflux in HV and in GERD With or Without Overlapping Dy NCT03788109 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Completed | Study of Aolanti Weikang Tablets in Healthy Volunteers NCT03358485 | Jiangxi Qingfeng Pharmaceutical Co. Ltd. | Phase 1 |
| Completed | Efficacy and Safety of DWJ1252 in the Treatment of Functional Dyspepsia (PART 2) NCT03184402 | Daewoong Pharmaceutical Co. LTD. | Phase 3 |
| Completed | The Multi-disciplinary Treatment of Functional Gut Disorders Study NCT03078634 | St Vincent's Hospital Melbourne | N/A |
| Completed | The Efficacy and Safety of "BST104" (Lonicera Flos Extract) in Mild to Moderate Functional Dyspepsia Subjects NCT04008901 | Seoul National University Bundang Hospital | Phase 3 |
| Unknown | Clinical Study on Post Evaluation After Listing of Qizhi Weitong Granules NCT03149393 | Xiyuan Hospital of China Academy of Chinese Medical Sciences | Phase 1 / Phase 2 |
| Completed | Influence of Bile Acids on Bacterial Uptake in Functional Dyspepsia NCT03296267 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Completed | Acupuncture for Functional Dyspepsia: a Functional Magnetic Resonance Imaging (fMRI) Study NCT02996604 | Chengdu University of Traditional Chinese Medicine | N/A |
| Active Not Recruiting | Therapeutic Effect of Ursodeoxycholic Acid in Functional Dyspepsia NCT03004118 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Completed | Efficacy and Safety of DWJ1252 in the Treatment of Functional Dyspepsia NCT03024086 | Daewoong Pharmaceutical Co. LTD. | Phase 3 |
| Withdrawn | Corticotropin Releasing Hormone (CRH) Responsiveness in Children With Functional Dyspepsia NCT01373372 | Children's Mercy Hospital Kansas City | N/A |
| Completed | Visceral Manipulation Treatment to Patients With Non-specific Neck Pain With Functional Dyspepsia NCT03043625 | University of Nove de Julho | N/A |
| Unknown | Clinical Trial to Assess the Efficacy and Safety of Combination Therapy of Motireb 5/100 mg in Functional Dysp NCT02831543 | IlDong Pharmaceutical Co Ltd | Phase 3 |
| Completed | Physiological Response and Visual Attention to Visual Food Images in Healthy Subjects and in Functional Dyspep NCT02727556 | University Hospital Tuebingen | N/A |
| Completed | Cognitive Modulation of Dyspeptic Symptom During Food Ingestion in Functional Dyspepsia Patients Cognitive Mod NCT02618070 | University Hospital Tuebingen | N/A |
| Completed | Efficacy and Safety of Two Simeticone Brands in Adults With Functional Dyspepsia NCT02660372 | Johnson & Johnson Consumer and Personal Products Worldwide | Phase 3 |
| Terminated | A Trial to Evaluate the Efficacy and Safety of YH12852 in Patients With Functional Dyspepsia NCT02567578 | Yuhan Corporation | Phase 2 |
| Recruiting | Ketotifen for Children With Functional Dyspepsia in Association With Duodenal Eosinophilia NCT02484248 | Craig A. Friesen, MD | Phase 3 |
| Completed | Association Between Luminal Bile Salt Content and Duodenal Mucosal Integrity in Functional Dyspepsia NCT03003234 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Completed | Functional Dyspepsia Microbiome Study NCT02340312 | Children's Mercy Hospital Kansas City | — |
| Completed | Efficacy and Safety of UI05MSP015CT in Functional Dyspepsia NCT03225248 | Korea United Pharm. Inc. | Phase 3 |
| Completed | Mucosal Impedance in Pediatric Population NCT02320981 | Vanderbilt University Medical Center | — |
| Completed | Assessment of Gastric Motility on Funtional Dyspepsia and Joint Hypermobility Syndrome NCT04279990 | Universitaire Ziekenhuizen KU Leuven | — |
| Unknown | A Study to Evaluate the Efficacy Between Helicobacter Pylori Eradication Therapy and Motilitone in Functional NCT02162316 | Chung-Ang University Hosptial, Chung-Ang University College of Medicine | N/A |
| Completed | Efficacy of Open Label Placebo in Children With FGIDs NCT02389998 | Boston Children's Hospital | N/A |
| Completed | The Efficacy and Safety Study of Rikkunshito in Patients With Functional Dyspepsia NCT02037776 | Osaka City University | Phase 4 |
| Completed | Cognitive Behavior Therapy (CBT) for Children With Functional Gastrointestinal Disorders NCT02113605 | Karolinska Institutet | N/A |
| Completed | The Efficacy and Safety of Qizhiweitong Granule on Patients With Functional Dyspepsia in a Multi-center Clinic NCT02460601 | Union Hospital, Tongji Medical College, Huazhong University of Science and Technology | Phase 4 |
| Completed | Functional Dyspepsia: Validation of the Leuven Postprandial Distress Scale (LPDS) in a Placebo-controlled Tria NCT04464369 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Unknown | Effect of Acupuncture on Patients With Functional Dyspepsia: a Multi-center, Randomized, Waitlist-controlled T NCT01921504 | Kyunghee University Medical Center | N/A |
| Completed | SIBO, Immune Activation, and FGIDs in Children NCT02872961 | The University of Texas Health Science Center, Houston | — |
| Completed | Functional Dyspepsia: Validation of a Questionnaire for Symptom Assessment in FD PDS Subgroup NCT04647955 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Enrolling By Invitation | Small Intestinal Bacterial Overgrowth: A Prospective Registry NCT01822470 | Indiana University | — |
| Completed | Rifaximin for Functional Dyspepsia NCT01643083 | The University of Hong Kong | Phase 2 / Phase 3 |
| Completed | Biomagnetic Characterization of Gastric Dysrhythmias III NCT03176927 | Vanderbilt University Medical Center | EARLY_Phase 1 |
| Completed | Acupuncture for Patients With Function Dyspepsia NCT01671670 | Chengdu University of Traditional Chinese Medicine | Phase 2 / Phase 3 |
| Completed | A Study to Demonstrate the Efficacy and Safety of Motilitone® NCT01817465 | Dong-A ST Co., Ltd. | Phase 4 |
| Completed | Efficiency Study of Clarithromycin and Bismuth-containing Quadruple Therapy to Treat H.Pylori NCT01667575 | Shanghai Jiao Tong University School of Medicine | Phase 4 |
| Completed | Empirical Rescue Therapies of Helicobacter Pylori Infection NCT01668927 | Shanghai Jiao Tong University School of Medicine | Phase 4 |
| Completed | Ghrelin and Gastric Emptying in Children With Functional Dyspepsia NCT01591174 | Children's Mercy Hospital Kansas City | — |
| Completed | Bismuth Improves the Efficacy of Levofloxacin-containing Triple Therapy for Helicobacter Pylori Treatment NCT01667718 | Shanghai Jiao Tong University School of Medicine | Phase 4 |
| Terminated | The Clinical Significance of Acid Rebound in Functional Dyspepsia NCT01373970 | Zealand University Hospital | Phase 4 |
| Completed | Assessment of Gastro-Intestinal Function to a Mixed Meal by Non-invasive Imaging NCT01919021 | Nottingham University Hospitals NHS Trust | N/A |
| Completed | New Dual Therapy for Primary Treatment of Helicobacter Pylori Infection：a Pilot Study NCT01513785 | Shanghai Jiao Tong University School of Medicine | Phase 2 |
| Completed | Gut Hormone, Nociceptors, Neurotrophic Factors Expression in Functional Dyspepsia NCT02173925 | Seoul National University Bundang Hospital | — |
| Withdrawn | Efficacy of Combination Therapy vs Placebo for Pediatric Functional Abdominal Pain NCT01269671 | Medical College of Wisconsin | Phase 1 |
| Completed | Assessment of GI Function to a Large Test Meal by Non-invasive Imaging NCT03007433 | Nottingham University Hospitals NHS Trust | N/A |
| Completed | A Study of E3810 for Japanese Subjects With Functional Dyspepsia (SAMURAI Study: Suppression of Acid Milieu Wi NCT01089543 | Eisai Co., Ltd. | Phase 2 |
| Withdrawn | Gabapentin in Functional Dyspepsia Refractory to Proton Pump Inhibition NCT01052896 | 59th Medical Wing | Phase 3 |
| Completed | Propofol Versus Midazolam With Fentanyl for EGD Endomicroscopy NCT01053871 | Shandong University | N/A |
| Completed | Functional Gastrointestinal Disorder Screening Program - A Randomized Controlled Trial NCT01047800 | Chinese University of Hong Kong | N/A |
| Completed | Gastric Functions & Proton Pump Inhibitor( PPI) Study NCT00951431 | Chinese University of Hong Kong | Phase 4 |
| Terminated | Lansoprazole for Subgroups of Functional Dyspepsia NCT01040455 | National Taiwan University Hospital | Phase 4 |
| Unknown | Does Visceral Manipulation Works in Treating Functional Dyspepsia? NCT01021475 | International College of Osteopathic Medicine | Phase 1 |
| Unknown | Clinical Study to Evaluate the Efficacy and the Safety of Eradication Therapy for Helicobacter Pylori in Funct NCT00990405 | Korean College of Helicobacter and Upper Gastrointestinal Research | Phase 4 |
| Completed | Efficacy of Banhasasim-tang on Functional Dyspepsia NCT00987805 | Korea Health Industry Development Institute | Phase 4 |
| Unknown | Mucosal Barrier Defects in Functional Dyspepsia by Confocal Laser Endomicroscopy NCT01006642 | Shandong University | — |
| Unknown | From the Biomedical to the Biopsychosocial Model, From Theory to Practice NCT01456273 | Faculdade de Medicina do ABC | N/A |
| Completed | A Study to Evaluate the Effect of Repeat Oral Doses of YM443 on Cardiac Repolarization in Healthy Adults NCT00850746 | Astellas Pharma Inc | Phase 1 |
| Unknown | Effect Of Itopride On Gastric Emptying And Accommodation In Patients With Functional Dyspepsia NCT01226134 | Aga Khan University | N/A |
| Completed | Study of Endogenous Inhibitory Modulation During Gastric and Somatic Stimulation NCT00693407 | National University Hospital, Singapore | N/A |
| Completed | To Verify the Efficacy of Z-338 in Subjects With Functional Dyspepsia NCT00761358 | Zeria Pharmaceutical | Phase 3 |
| Completed | A Long-term, Open-label, Uncontrolled Trial of YM443 (Z-338) in Patients With Functional Dyspepsia NCT00764374 | Astellas Pharma Inc | Phase 3 |
| Completed | Lansoprazole Versus Mosapride for Functional Dyspepsia NCT00663897 | Lotung Poh-Ai Hospital | Phase 4 |
| Withdrawn | Comparative Study of Epigastric Pain Syndrome and Postprandial Distress Syndrome NCT00673972 | National Taiwan University Hospital | Phase 4 |
| Completed | Diagnostic Value of Fecal Calprotectin in Disorders of the Upper Gastrointestinal Tract NCT00920400 | University Hospital, Basel, Switzerland | — |
| Completed | Randomized Controlled Trial of Acupuncture for Functional Dyspepsia NCT00599677 | Chengdu University of Traditional Chinese Medicine | N/A |
| Completed | Does Small Intestinal Bacterial Overgrowth Contribute to Functional Dyspepsia NCT00956397 | Henry C. Lin, MD | N/A |
| Completed | Treatment of Functional Dyspepsia With Acupuncture NCT00786214 | National University Hospital, Singapore | N/A |
| Completed | Helicobacter Eradication Relief of Dyspeptic Symptoms NCT00404534 | Hospital de Clinicas de Porto Alegre | Phase 3 |
| Completed | Mirtazapine Versus Placebo in Functional Dyspepsia NCT01240096 | Universitaire Ziekenhuizen KU Leuven | Phase 4 |
| Completed | Effect of Eradication of Helicobacter Pylori on the Dyspeptic Symptoms NCT00772837 | Aga Khan University | N/A |
| Completed | Intestinal Permeability in Children/Adolescents With Functional Dyspepsia NCT00363597 | Children's Mercy Hospital Kansas City | — |
| Completed | To Evaluate the Efficacy and Safety in Subjects With Functional Dyspepsia NCT00323817 | Zeria Pharmaceutical | Phase 2 |
| Completed | To Evaluate the Efficacy of Z-338 in Subjects With Functional Dyspepsia NCT00333372 | Zeria Pharmaceutical | Phase 2 |
| Completed | Electrogastrogram (EGG) Reproducibility Study: EEG Readings in Normal Subjects and Dyspeptic Patients NCT00220883 | Temple University | — |
| Completed | Itopride in Functional Dyspepsia:a Dose Finding Study NCT00272103 | Royal Adelaide Hospital | Phase 2 / Phase 3 |