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ClinicalTrials.gov public records Last synced May 22, 2026, 3:02 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diarrhea Infectious Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Delirium, Confusion, Mental Status Change, Back Pain, Hip Pain Chronic, Chest Pain, Asthma, COPD, Cellulitis, Soft Tissue Infections, Cough, Deep Vein Thrombosis, Pulmonary Embolism, Venous Thromboembolism, Dyspnea, Electrolyte Metabolism Abnormal, Fever, Failure to Thrive, Weakness, Protein-Calorie Malnutrition, Headache, Neck Pain, Hypoxia, Pneumonia, Sepsis, Syncope, Vomiting, Diarrhea, Leg Pain, Abdominal Pain
Interventions
Diagnostic Uncertainty Educational Curriculum, Diagnostic Timeout, Patient Diagnostic (Dx) Questionnaire, Enhancements to Epic-integrated Quality & Safety Dashboard
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Diarrhea, HIV Infections
Interventions
Dietary intervention, HIV Self-Care
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2003
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Shigellosis
Interventions
240 µg Shigella flexneri 2a Invaplex 50 vaccine, 480 µg Shigella flexneri 2a Invaplex 50 vaccine, 690 Shigella flexneri 2a Invaplex 50 vaccine, Shigella challenge strain
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Cryptosporidiosis, HIV Infections
Interventions
Spiramycin
Drug
Lead sponsor
Rhone-Poulenc Rorer
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Horsham, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Diarrhea, Clostridium Difficile Infection
Interventions
0.9% Normal Saline, Clostridium difficile toxoid vaccine, Clostridium difficile toxoid vaccine with adjuvant
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 85 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
5
States / cities
Tampa, Florida • Marietta, Georgia • Worcester, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2013 · Synced May 22, 2026, 3:02 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Shigella
Interventions
CVD 1208S, a Shigella flexneri 2a live, oral vaccine, Placebo
Biological · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
HIV Infections
Interventions
Nitazoxanide
Drug
Lead sponsor
Unimed Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 1996
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Immunisation, Shigella Infection
Interventions
Placebo, Shigella sonnei strain 53G, WRSs2
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
Decatur, Georgia • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Diarrhea, Gastroenteritis, Bacterial Infection
Interventions
Rifaximin 200 mg Tablet, Oral Rehydration Therapy (ORT)
Drug · Other
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
6 Years to 12 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Hialeah, Florida • Miami, Florida • Rosharon, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Clostridium Difficile, Clostridium Difficile Infections, Clostridium Difficile Infection Recurrence, Clostridioides Difficile Infection, Clostridioides Difficile Infection Recurrence, CDI, C. Diff Infection, Recurrent Clostridium Difficile Infection, C.Difficile Diarrhea, Diarrhea Infectious
Interventions
VE303, Placebo
Biological
Lead sponsor
Vedanta Biosciences, Inc.
Industry
Eligibility
12 Years and older
Enrollment
852 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
84
States / cities
Huntsville, Alabama • Chandler, Arizona • Phoenix, Arizona + 73 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Clostridium Difficile Infection, Diarrhea
Interventions
Oral Vancomycin, Placebo, Toxin enzyme immunoassay, Nuceleic acid amplification test
Drug · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 25, 2021 · Synced May 22, 2026, 3:02 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Campylobacter Infection
Interventions
ACE393, Placebo vaccine
Biological
Lead sponsor
TD Vaccines A/S
Industry
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 10, 2009 · Synced May 22, 2026, 3:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Travelers' Diarrhea, Functional Bowel Disorders, Reactive Arthritis
Interventions
Rifaximin, Placebo
Drug
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
449 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
5
States / cities
San Diego, California • Honolulu, Hawaii • Marine Corps Base Camp Lejeune, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Escherichia Coli Infection
Interventions
Recombinant fimbrial adhesin dsc14CfaE-sCTA2/LTB5, Recombinant fimbrial adhesin dscCfaE, Modified E. coli heat labile enterotoxin LTR192G
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced May 22, 2026, 3:02 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
Pediatric Burns
Interventions
Culturelle, Placebo
Dietary Supplement
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
6 Months to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 12, 2013 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 2 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Diarrhea, HIV Infections
Interventions
Diethylhomospermine
Drug
Lead sponsor
VA Medical Center-Gainesville
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Shigellosis
Interventions
Flexyn2a, Placebo
Biological
Lead sponsor
LimmaTech Biologics AG
Industry
Eligibility
18 Years to 50 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced May 22, 2026, 3:02 AM EDT
Terminated Phase 3 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Gastroenteritis Escherichia Coli
Interventions
Placebo, Recombinant Double Mutant Heat-Labile Toxin LT(R192G/L211A) (dmLT) Oral enterotoxigenic Escherichia coli (ETEC) Vaccine
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 25, 2020 · Synced May 22, 2026, 3:02 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Shigella, Diarrhea
Interventions
IVT Shigella-04, Placebo (0.9% saline)
Biological
Lead sponsor
Inventprise Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cryptosporidiosis, HIV Infections
Interventions
Cryptosporidium Immune Whey Protein Concentrate (Bovine)
Drug
Lead sponsor
Univax Biologics Inc
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
6
States / cities
Los Angeles, California • San Francisco, California • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Clostridium Enterocolitis, Pseudomembranous Colitis
Interventions
Nitazoxanide
Drug
Lead sponsor
Daniel M. Musher MD
Federal
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2017 · Synced May 22, 2026, 3:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Diarrhea Infectious
Interventions
VENBETA6890, Placebo
Drug
Lead sponsor
Mark Klempner
Other
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 21, 2025 · Synced May 22, 2026, 3:02 AM EDT