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ClinicalTrials.gov public records Last synced Jul 21, 2026, 3:42 PM EDT

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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
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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
Conditions
Cancer
Interventions
glutamine, placebo
Dietary Supplement · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
17
States / cities
Scottsdale, Arizona • Peoria, Illinois • Urbana, Illinois + 14 more
Conditions
Traveler's Diarrhea
Interventions
Biological: heat-labile enterotoxin of E. coli (LT)
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
406 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
5
States / cities
Davis, California • Bingham Farms, Michigan • Cortland, New York + 2 more
Conditions
Clostridium Difficile Infection
Interventions
VP20621, Placebo
Biological · Other
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
42
States / cities
Modesto, California • Palm Desert, California • Sacramento, California + 39 more
Conditions
Colorectal Cancer, Diarrhea
Interventions
irinotecan hydrochloride, octreotide acetate
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
2
States / cities
East Hanover, New Jersey • Princeton, New Jersey
Completed Phase 2 Interventional Accepts healthy volunteers

ETEC Logistics Trial (TREK)

NCT00516659
Conditions
Diarrhea
Interventions
Heat-Labile Enterotoxin of Escherichia coli (LT), Placebo
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
13
States / cities
Long Beach, California • Chicago, Illinois • Baltimore, Maryland + 9 more
Conditions
Cancer Therapy-Related Diarrhea, Chemotherapy-related Diarrhea, Adult Solid Tumor, Prophylaxis of Diarrhea, Symptomatic Relief of Diarrhea, Targeted Therapy-related Diarrhea
Interventions
Crofelemer 125 MG [Mytesi], Placebo
Drug
Lead sponsor
Napo Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
27
States / cities
Prescott, Arizona • Anaheim, California • Corona, California + 24 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of Traveler's Diarrhea Vaccine Patch

NCT01067781
Conditions
Diarrhea
Interventions
Heat-Labile Enterotoxin of E. coli (LT), Placebo
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
5
States / cities
Anaheim, California • South Miami, Florida • Lenexa, Kansas + 2 more
Completed Phase 4 Interventional Accepts healthy volunteers

Vitamin A and Zinc: Prevention of Pneumonia (VAZPOP) Study

NCT00228254
Conditions
Pneumonia, Diarrhea, Acute Upper Respiratory Tract Infections
Interventions
Zinc (12.5 mg/day), vitamin A 10,000 IU per week
Drug
Lead sponsor
Tufts University
Other
Eligibility
6 Months to 36 Months
Enrollment
2,582 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
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
Conditions
Multiple Myeloma, Plasma Cell Leukemia
Interventions
Budesonide EC, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Antibiotic-associated Diarrhea, Clostridium Difficile
Interventions
Lactobacillus reuteri
Dietary Supplement
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Phase 2 Interventional Accepts healthy volunteers Results available

LT Vaccine Patch Self-Administration Study

NCT00565461
Conditions
Prevention of Travelers' Diarrhea
Interventions
heat-labile enterotoxin of E. coli (LT)
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
3
States / cities
Little Rock, Arkansas • South Miami, Florida • Salt Lake City, Utah
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Traveler's Diarrhea (TD) Automated Process

NCT00751777
Conditions
Prevention of Travelers' Diarrhea
Interventions
heat-labile enterotoxin of E. coli (LT), Placebo
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
3
States / cities
Vallejo, California • South Miami, Florida • San Antonio, Texas
Conditions
Diarrhea, Gastrointestinal Complications, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
sulfasalazine, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
257
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Aurora, Colorado + 176 more
Conditions
Diarrhea
Interventions
Calcium Carbonate, nelfinavir, lamivudine, loperamide, Calcium carbonate not administered, lamivudine + zidovudine
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
6
States / cities
Birmingham, Alabama • Fort Lauderdale, Florida • New York, New York + 3 more
Conditions
Clostridium Difficile Diarrhea
Interventions
Metronidazole, Placebo
Drug
Lead sponsor
Alison Schneider
Other
Eligibility
55 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Weston, Florida
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy of Rifaximin in Preventing Campylobacteriosis

NCT02280044
Conditions
Dysentery, Diarrhea, Enteric Campylobacteriosis
Interventions
Rifaximin intervention, Placebo intervention
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Neoplasm Metastasis, Colorectal Neoplasms
Interventions
Celecoxib, Irinotecan, 5-fluorouracil, Leucovorin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
12
States / cities
Mobile, Alabama • Fort Lauderdale, Florida • Port Saint Lucie, Florida + 9 more
Conditions
Diarrhea
Interventions
Probiotics
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 89 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New Brunswick, New Jersey
Completed Phase 4 Interventional Results available

C. Difficile and Ursodiol

NCT02748616
Conditions
Diarrhea
Interventions
Ursodiol
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Clostridium Difficile
Interventions
Bezlotoxumab
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
60 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Clostridium Difficile Infection (CDI)
Interventions
RBX2660, Placebo, Open label RBX2660 (only for confirmed CDI recurrence)
Drug
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
60
States / cities
Athens, Alabama • Dothan, Alabama • Phoenix, Arizona + 54 more
Conditions
Colorectal Neoplasms, Diarrhea
Interventions
Investigational drug, Irinotecan, 5-fluorouracil, Leucovorin
Drug
Lead sponsor
Celgene Corporation
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
28
States / cities
Little Rock, Arkansas • Anaheim, California • Concord, California + 24 more