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ClinicalTrials.gov public records Last synced Sep 4, 2026, 8:09 AM EDT

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Showing 1–24 of 354 matching trials from the live ClinicalTrials.gov search.
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Conditions
Diarrhea
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 18 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Autism Spectrum Disorder, Gastro-Intestinal Disorder, Constipation, Diarrhea
Interventions
MTP-101P, Vancomycin, Miralax, Antacid, Placebo MTP-101P, Placebo Vancomycin
Combination Product
Lead sponsor
Gut-Brain-Axis Therapeutics Inc.
Other
Eligibility
4 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Enterocolitis, Pseudomembranous Colitis, Antibiotic-Associated Colitis
Interventions
Not listed
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Baltimore, Maryland • Houston, Texas
Conditions
Autism, Autistic Disorder, Child Development Disorders, Pervasive, Gastrointestinal Diseases, Signs and Symptoms, Digestive
Interventions
Oralgam (human immunoglobulin)
Drug
Lead sponsor
PediaMed Pharmaceuticals
Industry
Eligibility
2 Years to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
22
States / cities
Phoenix, Arizona • Sacramento, California • Gainesville, Florida + 17 more
Conditions
Appendicitis, Appendicitis; Perforation
Interventions
Lactobacillus rhamnosus GG (LGG) Probiotic, Placebo
Dietary Supplement
Lead sponsor
Children's Health
Other
Eligibility
4 Years to 18 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Amorphous, Eosinophilic, and Acellular Deposit, Constipation, Diarrhea, Early Satiety, Gastrointestinal Hemorrhage, Hepatomegaly, Lymphadenopathy, Macroglossia, Nausea, Primary Systemic Amyloidosis, Purpura, Recurrent Primary Amyloidosis, Refractory Primary Amyloidosis
Interventions
Isatuximab, Laboratory Biomarker Analysis
Biological · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
345
States / cities
Anchorage, Alaska • Hot Springs, Arkansas • Burbank, California + 234 more
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
ONO-2952, ONO-2952 Matching Placebo
Drug
Lead sponsor
Ono Pharma USA Inc
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
48
States / cities
Anniston, Alabama • Goodyear, Arizona • Tucson, Arizona + 45 more
Conditions
Active C. Difficile Colitis
Interventions
Microbiota Transplantation (FMT)
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2036
U.S. locations
1
States / cities
Houston, Texas
Conditions
Clostridium Difficile Infection Recurrence
Interventions
RBX2660
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
12
States / cities
North Little Rock, Arkansas • Camarillo, California • Hamden, Connecticut + 9 more
Conditions
Tube Feeding
Interventions
Osmolite 1.5, Promote without fiber
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Moderate Clostridium Difficile Infection
Interventions
LFF571, Vancomycin (POC)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
14
States / cities
Palm Desert, California • Bristol, Connecticut • Clearwater, Florida + 11 more
Conditions
Clostridium Difficile
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Enterocolitis, Pseudomembranous, Diarrhea, Clostridium Difficile
Interventions
GT267-004 (tolevamer potassium sodium)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
13
States / cities
Modesto, California • Honolulu, Hawaii • Maywood, Illinois + 10 more
Conditions
Irritable Bowel Syndrome
Interventions
Eluxadoline, Placebo
Drug
Lead sponsor
AbbVie
Industry
Eligibility
6 Years to 17 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
26
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Corona, California + 19 more
Conditions
Recurrent C. Difficile Associated Diarrhea
Interventions
Fecal Microbiota
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Houston, Texas
Conditions
IBS (Irritable Bowel Syndrome), IBS-D (Diarrhea-predominant)
Interventions
rifaximin 66mg + N-acetylcysteine 560mg three times daily, RNIB21 containing rifaximin 132mg + N-acetylcysteine 560mg three times daily, Placebo
Drug
Lead sponsor
Mark Pimentel, MD
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Completed No phase listed Observational Accepts healthy volunteers

AcuGraph and Digestive Symptoms

NCT00846794
Conditions
Digestive Disorders, Irritable Bowel Syndrome, Constipation, Diarrhea
Interventions
Not listed
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chesterfield, Missouri
Conditions
Irritable Bowel Syndrome With Diarrhea
Interventions
Eluxadoline, Placebo
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 80 Years
Enrollment
346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
76
States / cities
Huntsville, Alabama • Saraland, Alabama • Phoenix, Arizona + 66 more
Conditions
Crohns Disease
Interventions
PDA001, Vehicle Controlled Placebo
Biological · Drug
Lead sponsor
Celularity Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
12
States / cities
Los Angeles, California • Denver, Colorado • Gainesville, Florida + 9 more
Conditions
Diarrhea, HIV Infections
Interventions
Octreotide
Drug
Lead sponsor
Sandoz
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
23
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 18 more
Conditions
Irritable Bowel Syndrome
Interventions
Eluxadoline, Placebo
Drug
Lead sponsor
Furiex Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
232
States / cities
Birmingham, Alabama • Decatur, Alabama • Huntsville, Alabama + 189 more
Conditions
Congenital Sucrase-isomaltase Deficiency (CSID)
Interventions
Not listed
Lead sponsor
QOL Medical, LLC
Industry
Eligibility
Up to 18 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
19
States / cities
Los Angeles, California • Oakland, California • Aurora, Colorado + 16 more
Conditions
Diarrhea-predominant Irritable Bowel Syndrome
Interventions
BOS-589, Placebo
Drug
Lead sponsor
Boston Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
58
States / cities
Anniston, Alabama • Huntsville, Alabama • Chandler, Arizona + 48 more
Conditions
IBS - Irritable Bowel Syndrome, Diarrhea
Interventions
Mirtazapine, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida