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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: E Coli Infection Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dose Escalating Study of a Prototype CS6 Subunit Vaccine With a Modified Heat-labile Enterotoxin From Enterotoxigenic Escherichia Coli (ETEC)

NCT03404674
View directory record Official record
Conditions
Diarrhea
Interventions
CssBA, dmLT
Biological
Lead sponsor
PATH
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study of Vaccination With 9-valent Extraintestinal Pathogenic Escherichia Coli Vaccine (ExPEC9V) in the Prevention of Invasive Extraintestinal Pathogenic Escherichia Coli Disease in Adults Aged 60 Years And Older With a History of Urinary Tract Infection in the Past 2 Years

NCT04899336
View directory record Official record
Conditions
Invasive Extraintestinal Pathogenic Escherichia Coli Disease (IED) Prevention
Interventions
ExPEC9V, Placebo
Biological · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
60 Years and older
Enrollment
17,797 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
142
States / cities
Guntersville, Alabama • Phoenix, Arizona • Sun City West, Arizona + 100 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 24, 2026, 12:47 AM EDT
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 Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Safety, Reactogenicity and Immunogenicity of Fractional-dose Inactivated Polio Vaccine (fIPV) Given Intradermally With Double Mutant Enterotoxigenic Escherichia Coli Heat Labile Toxin (dmLT) Adjuvant

NCT03922061
View directory record Official record
Conditions
Polio
Interventions
dmLT, fIPV
Biological
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced Sep 24, 2026, 12:47 AM EDT
Not yet recruiting Phase 2 Interventional

Cefotetan Therapy for Escherichia Coli Infections

NCT07318584
View directory record Official record
Conditions
E Coli Infection, ESBL Producing E.Coli
Interventions
Cefotetan, Carbapenems, Beta Lactam Antibiotics
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Sep 24, 2026, 12:47 AM EDT
Completed No phase listed Observational

Antibiotic Resistant Community-Acquired E. Coli

NCT00298103
View directory record Official record
Conditions
E Coli Infection
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2015 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 3 Interventional Results available

Corticosteroids for Children With Febrile Urinary Tract Infections

NCT01391793
View directory record Official record
Conditions
Acute Urinary Tract Infection, Urinary Tract Infection
Interventions
Placebo, Dexamethasone
Drug
Lead sponsor
Nader Shaikh
Other
Eligibility
2 Months to 6 Years
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Columbus, Ohio • Pittsburgh, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study of dmLT ID Vaccination in Healthy Adults

NCT02531685
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 Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Results available

Safety, Tolerability, and PK of LBP-EC01 in Patients With Lower Urinary Tract Colonization Caused by E. Coli

NCT04191148
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
LBP-EC01, Placebo
Drug
Lead sponsor
Locus Biosciences
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
7
States / cities
Anniston, Alabama • Irvine, California • Doral, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2022 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Cranberry Beverage on Women With Recent History of Urinary Tract Infections

NCT01776021
View directory record Official record
Conditions
Urinary Tract Infections, Infection, Urologic Diseases
Interventions
cranberry juice, placebo beverage
Other
Lead sponsor
Ocean Spray Cranberries, Inc.
Industry
Eligibility
20 Years to 70 Years · Female only
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
17
States / cities
Chandler, Arizona • Scottsdale, Arizona • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2015 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Not applicable Interventional

Prevention of Urinary Tract Infection (UTI) in Persons With Spinal Cord Injury (SCI)

NCT00309114
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
bacterial interference
Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
15 Years to 64 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
5
States / cities
Atlanta, Georgia • Chicago, Illinois • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional

E. Coli for Prevention of Catheter UTI in SCI Patients

NCT00458471
View directory record Official record
Conditions
Urinary Tract Infection(UTI)
Interventions
Insertion of a urinary catheter coated with benign E. coli
Device
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 64 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 9, 2007 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A New Anthrax Vaccine Administered by the Intramuscular (IM) Route in Healthy Adults

NCT00057525
View directory record Official record
Conditions
Anthrax
Interventions
Anthrax, Alhdryogel or PBS
Biological
Lead sponsor
DynPort Vaccine Company LLC, A GDIT Company
Industry
Eligibility
18 Years to 40 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 29, 2011 · Synced Sep 24, 2026, 12:47 AM EDT
Completed No phase listed Observational

Clinical and Microbiologic Characteristics of Cephalosporin-Resistant E. Coli-PITT Protocol

NCT00877708
View directory record Official record
Conditions
E Coli Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Sep 24, 2026, 12:47 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study on the Safety and Immune Response of a Urinary Tract Infection (UTI) Vaccine in Adults 18-64 Years of Age and Clinical Efficacy in Females 18-64 Years of Age

NCT06702449
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Candidate UTI vaccine low dose formulation 1, Candidate UTI vaccine low dose formulation 2, Candidate UTI vaccine medium dose formulation 1, Candidate UTI vaccine medium dose formulation 2, Candidate UTI vaccine high dose formulation 1, Candidate UTI vaccine high dose formulation 2, Candidate UTI vaccine HTD formulation 2, Placebo
Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
448 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
6
States / cities
Lenexa, Kansas • Secaucus, New Jersey • Rochester, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cranberry for UTI Prevention in Residents of Long Term Care Facilities

NCT00596635
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
Once Daily Cranberry Capsule, Twice Daily Cranberry Capsules
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
60 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 28, 2013 · Synced Sep 24, 2026, 12:47 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Enteroaggregative E.Coli (EAEC)

NCT00362869
View directory record Official record
Conditions
Escherichia Coli Infections
Interventions
Levofloxacin, Placebo, Enteroaggregative E. coli (EAEC)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 25, 2016 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Investigating the Safety, Recovery, and Pharmacodynamics of Multiple Oral Administrations of SNIPR001 in Healthy Subjects

NCT05277350
View directory record Official record
Conditions
E.Coli Infections, Bloodstream Infection
Interventions
SNIPR001, Placebo
Drug
Lead sponsor
SNIPR Biome Aps.
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Peru-15-pCTB in Healthy Adult Subjects

NCT00654108
View directory record Official record
Conditions
Gastroenteritis Escherichia Coli
Interventions
Ciprofloxacin, Peru-15-pCTB, Sodium bicarbonate/Ascorbic Acid/Aspartame Buffer
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Results available

Safety, Tolerability, Pharmacokinetic and Microbiological Investigation of GSK3882347 in Female Participants With Urinary Tract Infections

NCT05138822
View directory record Official record
Conditions
Uncomplicated Urinary Tract Infections, Urinary Tract Infections
Interventions
GSK3882347, Nitrofurantoin, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
15
States / cities
Anniston, Alabama • Lomita, California • Modesto, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Phase 1 Interventional Results available

Colonizing Neurogenic Bladders With Benign Flora

NCT00371631
View directory record Official record
Conditions
Spinal Cord Injury, Urinary Tract Infection
Interventions
Insertion of urinary catheters coated with E. coli 83972
Biological
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2014 · Synced Sep 24, 2026, 12:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Experiment of Helicobacter Pylori Transmission

NCT00550368
View directory record Official record
Conditions
Infection, Achlorhydria
Interventions
Biological intervention: Enteropathogenic E. coli
Biological
Lead sponsor
Stanford University
Other
Eligibility
35 Years to 59 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Sep 24, 2026, 12:47 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 Sep 24, 2026, 12:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Challenge Study of an ETEC Vaccine

NCT01922856
View directory record Official record
Conditions
Enteritis; Escherichia Coli, Enterotoxigenic
Interventions
LTR192G with dscCfaE, No Intervention
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Sep 24, 2026, 12:47 AM EDT