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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
The Safety And Efficacy Of A Probiotic Intervention On Lactulose Hydrogen Breath Test-Positive Patients And Related Gastrointestinal SymptomsDigestive System Diseases, Dilatation, Pathologic, Pathological Conditions, Anatomical, Pathological Conditions, Signs and Symptoms, colonic disorder, digestive system disorder, functional colonic disease, intestinal disorder, irritable bowel syndrome, small intestinal bacterial overgrowthActive, not recruitingNot applicable2026-09-30NCT06317441
The Role of METhanogens in the PROgression Of Parkinson's Disease and Related Neurological ConditionsAlzheimer disease, Cognition Disorders, Cognitive Dysfunction, Mild Cognitive Impairment, Parasomnias, Parkinson disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, REM Sleep Parasomnias, REM sleep behavior disorder, Signs and Symptoms, Signs and Symptoms, Digestive, basal ganglia disorder, brain disorder, central nervous system disorder, cognitive disorder, constipation disorder, dementia, disease, movement disorder, nervous system disorder, neurodegenerative disease, parkinsonian disorder, psychiatric disorder, sleep-wake disorder, small intestinal bacterial overgrowth, synucleinopathy, tauopathyRecruitingNot applicable2026-08-25NCT07786116
Indiana University Gastrointestinal Motility Diagnosis RegistryDeglutition Disorders, Digestive System Diseases, Eosinophilia, Fecal Incontinence, Hemic and Lymphatic Diseases, Hypersensitivity, Immediate, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Signs and Symptoms, Signs and Symptoms, Digestive, Vomiting, chronic intestinal pseudoobstruction, colonic disorder, constipation disorder, digestive system disorder, dyskinesia of esophagus, eosinophilic esophagitis, esophageal disorder, esophagitis, functional colonic disease, gastroenteritis, gastroesophageal reflux disease, gastroparesis, hematologic disorder, immune system disorder, intestinal disorder, irritable bowel syndrome, leukocyte disorder, palsy, rectal disorder, small intestinal bacterial overgrowth, stomach disorderRecruitingNot stated2026-06-16NCT04506593
Small Intestinal Bacterial Overgrowth: A Prospective RegistryBody Weight, Body Weight Changes, Pathological Conditions, Signs and Symptoms, Signs and Symptoms, Signs and Symptoms, Digestive, Weight Loss, diarrheal disease, small intestinal bacterial overgrowthEnrolling by invitationNot stated2026-06-16NCT01822470
Breath Test-Based Assessment of SIBO in Chronic Pancreatitis and Partial PancreatectomyChronic Disease, Digestive System Diseases, Disease Attributes, Pathologic Processes, Pathological Conditions, Signs and Symptoms, chronic pancreatitis, exocrine pancreatic insufficiency, pancreas disorder, pancreatitis, small intestinal bacterial overgrowthNot yet recruitingNot stated2026-04-13NCT07479238
Capillary Endoscopy Aspiration Cathetersmall intestinal bacterial overgrowthRecruitingNot applicable2026-01-26NCT04418258
Pilot Feasibility Study of Fecal Microbiota Transplant for the Treatment of Small Intestinal Bacterial Overgrowthsmall intestinal bacterial overgrowthRecruitingPhase 12025-08-21NCT05967871
Evaluating the Effect Of Rifaximin on the Gut Microbiota and Metabolome in SIBO Using CapScan®small intestinal bacterial overgrowthRecruitingPhase 12025-06-11NCT06298409
Efficacy of Rifaximin in Patients With Small Intestinal Bacterial Overgrowth Presenting With Abdominal Bloating.small intestinal bacterial overgrowthRecruitingNot applicable2025-05-16NCT06772064