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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Travelers Diarrhea Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Study to Assess the Efficacy of Once-daily IMM-124E (Travelan®) in a Controlled Human Infection Model.

NCT05933525
View directory record Official record
Conditions
Diarrhea, Travelers Diarrhea, Infectious Diarrhea
Interventions
Travelan, Placebo
Biological · Other
Lead sponsor
Immuron Ltd.
Industry
Eligibility
18 Years to 50 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Prevention of Travelers' Diarrhea in Subjects Traveling Outside the U.S.

NCT00328380
View directory record Official record
Conditions
Diarrhea
Interventions
Rifaximin
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
3
States / cities
South Miami, Florida • Houston, Texas • La Porte, Texas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 3 Interventional Results available

Study Comparing Rifaximin With Xifaxan 200 mg in Traveler's Diarrhea

NCT02498418
View directory record Official record
Conditions
Diarrhea
Interventions
Rifaximin, Xifaxan®, Placebo Tablet
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older
Enrollment
739 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Finding Study of WS6788A and LSN03-016011/A Enterotoxigenic E. Coli ETEC Challenge Strains That Express CS17

NCT00564577
View directory record Official record
Conditions
Travelers' Diarrhea
Interventions
CFA/I and CS17 challenge strain
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 45 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

LT Vaccine Patch Self-Administration Study

NCT00565461
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy Study of a Vaccine Against Enterotoxigenic Escherichia Coli (ETEC) to Prevent Moderate to Severe Diarrhea

NCT01060748
View directory record Official record
Conditions
Diarrhea
Interventions
ACE527, Placebo
Biological
Lead sponsor
TD Vaccines A/S
Industry
Eligibility
18 Years to 50 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 6, 2011 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Efficacy of Anti-CFA/I and CfaE Bovine Milk Immunoglobulin Against Challenge With H10407 ETEC Expressing CFA/I

NCT00435526
View directory record Official record
Conditions
Diarrhea
Interventions
anti-CFA/I bovine IgG, and anti-CfaE bovine IgG
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 14, 2007 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Prevention, Randomized, Double-Blinded, Placebo-Controlled, Parallel Assignment, Safety/Efficacy Study

NCT00672035
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 13, 2012 · Synced Jul 23, 2026, 1:41 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Bismuth Subsalicylate's Role in the Prevention of Travelers' Diarrhea

NCT03535272
View directory record Official record
Conditions
Diarrhea Travelers, Antibiotic Resistant Infection
Interventions
Bismuth subsalicylate, Placebo
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 69 Years
Enrollment
482 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Traveler's Diarrhea (TD) Automated Process

NCT00751777
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Jul 23, 2026, 1:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study Assessing Intestinal Microbiota Diversification and Changes After Travel to South(East) Asia From the US

NCT03043300
View directory record Official record
Conditions
Dysbiosis
Interventions
Screening Criteria Review, Pre-Travel Questionnaire, Pre-Travel Stool Specimen Collection, Short-Term Post-Travel Questionnaire, Short-Term Post-Travel Stool Specimen Collection, Long-Term Post-Travel Questionnaire, Long-Term Post-Travel Stool Specimen Collection
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial Evaluating Chemoprophylaxis Against Travelers' Diarrhea - Prevent TD

NCT02498301
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 Jul 23, 2026, 1:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Finding Study of CS19 Expressing ETEC Challenge Strains

NCT00564863
View directory record Official record
Conditions
Travelers' Diarrhea
Interventions
CS19 expressing ETEC strain
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Jul 23, 2026, 1:41 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

ACE393-103 Vaccination Challenge Study

NCT00859716
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 Jul 23, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy of Bovine Milk Immunoglobulin Against CS17 and CsbD

NCT00524004
View directory record Official record
Conditions
Travelers' Diarrhea
Interventions
Anti-CsbD Bovine IgG, Placebo, Anti-CS17 Bovin IgG
Biological · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

ACE527 Safety and Immunogenicity Study

NCT00901654
View directory record Official record
Conditions
Enterotoxigenic E. Coli (ETEC) Infection
Interventions
ACE527 vaccine, Placebo vaccine
Biological
Lead sponsor
TD Vaccines A/S
Industry
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 28, 2010 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

ETEC Logistics Trial (TREK)

NCT00516659
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 13, 2012 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Prulifloxacin Versus Placebo in Traveler's Diarrhea

NCT00392574
View directory record Official record
Conditions
Acute Gastroenteritis in Adult Travelers
Interventions
Prulifloxacin, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
New Hope, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Jul 23, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of Traveler's Diarrhea Vaccine Patch

NCT01067781
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced Jul 23, 2026, 1:41 AM EDT