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Showing 1–24 of 67 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Escherichia Coli Infections Clear all
Withdrawn No phase listed Observational

Ampicillin-sulbactam Resistant E.Coli at UPMC

NCT00619580
View directory record Official record
Conditions
Positive E Coli Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Jul 23, 2026, 7:05 AM EDT
Recruiting Not applicable Interventional

Hyperhydration in Children With Shiga Toxin-Producing E. Coli Infection

NCT05219110
View directory record Official record
Conditions
Shiga Toxin-Producing Escherichia Coli (E. Coli) Infection, Hemolytic-Uremic Syndrome
Interventions
Infusion of 200% maintenance fluids as balanced crystalloid IV solution, Oral fluids; infusion of up to 110% maintenance fluids as balanced crystalloid IV solution
Other
Lead sponsor
University of Calgary
Other
Eligibility
9 Months to 21 Years
Enrollment
1,040 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
22
States / cities
Birmingham, Alabama • Little Rock, Arkansas • La Jolla, California + 19 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jul 23, 2026, 7:05 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 Jul 23, 2026, 7:05 AM EDT
Completed No phase listed Observational

Epidemiology of Community - Associated Extended-spectrum Beta-lactamases (ESBL) Producing Escherichia Coli

NCT00573235
View directory record Official record
Conditions
Enterobacteriaceae Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Jul 23, 2026, 7:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Trial of a Falciparum Malaria Protein (FMP012), E. Coli-expressed PfCelTOS, in Healthy Malaria-Naive Adults

NCT01540474
View directory record Official record
Conditions
Malaria
Interventions
Group 1: 10 ug FMP012 with 2 ug GLA-SE, Group 2: 10 ug FMP012 with 5 ug GLA-SE, 50 ug FMP012 with 5 ug GLA-SE or 2 ug GLA-SE, Controlled group-Challenged Only: no vaccination
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Jul 23, 2026, 7:05 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, 7:05 AM EDT
Recruiting Phase 2 Interventional

A Study of LBP-EC01 in the Treatment of Acute Uncomplicated UTI Caused by Drug Resistant E. Coli (ELIMINATE Trial)

NCT05488340
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
LBP-EC01 0.1 x IV dose, LBP-EC01 0.01x IV Dose, LBP-EC01 IV Infusion Dose, Placebo, LBP-EC01, TMP/SMX
Drug
Lead sponsor
Locus Biosciences
Industry
Eligibility
18 Years to 75 Years · Female only
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
17
States / cities
Fresno, California • Lancaster, California • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Jul 23, 2026, 7:05 AM EDT
Completed No phase listed Observational

Quinolone Resistance in Bloodstream Isolates of Escherichia Coli

NCT00449735
View directory record Official record
Conditions
Bacterial Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 11, 2018 · Synced Jul 23, 2026, 7:05 AM EDT
Terminated Phase 3 Interventional

Phase III Randomized Study of SYNSORB Pk in Children With E. Coli-Associated Hemolytic Uremic Syndrome

NCT00004465
View directory record Official record
Conditions
Hemolytic Uremic Syndrome
Interventions
SYNSORB Pk, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
6 Months to 18 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2001
U.S. locations
26
States / cities
Denver, Colorado • Wilmington, Delaware • Atlanta, Georgia + 23 more
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Jul 23, 2026, 7:05 AM EDT
Recruiting Phase 1 Interventional

Bacteriophage Therapy in Spinal Cord Injury Patients With Bacteriuria

NCT06559618
View directory record Official record
Conditions
Bacteriuria, Spinal Cord Injuries, Asymptomatic Bacteriuria, Escherichia Coli
Interventions
Phage Therapy, Placebo
Drug · Other
Lead sponsor
Barbara Trautner
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
St Louis, Missouri • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jul 23, 2026, 7:05 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Three Different Doses of VAC52416 (ExPEC10V) in Adults Aged 60 to 85 Years in Stable Health

NCT03819049
View directory record Official record
Conditions
Extraintestinal Pathogenic Escherichia Coli Prevention
Interventions
ExPEC10V, ExPEC4V, Prevnar 13, Placebo
Biological
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
60 Years and older
Enrollment
836 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
12
States / cities
Huntsville, Alabama • Melbourne, Florida • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jul 23, 2026, 7:05 AM EDT
Completed No phase listed Observational

Community - Associated Extended-spectrum Beta-lactamases (ESBL)

NCT00363220
View directory record Official record
Conditions
Infection, E Coli Infections, Klebsiella Infections, Proteus Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
100 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 Jul 23, 2026, 7:05 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 Jul 23, 2026, 7:05 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 Jul 23, 2026, 7:05 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of 9-valent Extraintestinal Pathogenic Escherichia Coli Vaccine (ExPEC9V) and High-dose Quadrivalent Influenza Vaccine, With and Without Co-administration, in Adults Aged 65 Years or Older

NCT06134804
View directory record Official record
Conditions
Invasive Extraintestinal Pathogenic Escherichia Coli Disease (IED) Prevention
Interventions
ExPEC9V, Placebo, HD quadrivalent influenza vaccine
Biological
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
65 Years and older
Enrollment
959 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
24
States / cities
Huntsville, Alabama • Mobile, Alabama • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jul 23, 2026, 7:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cranberry Proanthocyanidins for Modification of Intestinal E. Coli Flora and Prevention of Urinary Tract Infections in UTI-Susceptible Women

NCT01219595
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
Sweetened, dried cranberries, Strawberry Fruit Pieces, Observation
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Jul 23, 2026, 7:05 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 Jul 23, 2026, 7:05 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy of EcoActive on Intestinal Adherent Invasive E. Coli in Patients With Inactive Crohn's Disease

NCT03808103
View directory record Official record
Conditions
Crohn Disease
Interventions
Placebo, Bacteriophage preparation
Biological
Lead sponsor
Intralytix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
2
States / cities
Lutherville, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Jul 23, 2026, 7:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Shigella CVD 31000: Study of Responses With Shigella-ETEC Vaccine Strain CVD 1208S-122

NCT04634513
View directory record Official record
Conditions
Shigella Infection, Enterotoxigenic Escherichia Coli Infection
Interventions
strain CVD 1208S-122, Placebo
Biological · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 49 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Jul 23, 2026, 7:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I Study of ETEC Vaccine

NCT01147445
View directory record Official record
Conditions
Gastroenteritis Escherichia Coli
Interventions
Recombinant Double Mutant Heat-Labile Toxin LT(R192G/L211A) (dmLT) Oral enterotoxigenic Escherichia coli (ETEC) Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Jul 23, 2026, 7:05 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 Jul 23, 2026, 7:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Related Inflammatory Effects of Intravenous Endotoxin in Humans

NCT02789241
View directory record Official record
Conditions
Healthy
Interventions
Endotoxin, Placebo
Biological · Other
Lead sponsor
Robert J Noveck, M.D.
Other
Eligibility
18 Years to 40 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Jul 23, 2026, 7:05 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, 7:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of Sublingual dmLT for ETEC

NCT02052934
View directory record Official record
Conditions
Gastroenteritis Escherichia Coli
Interventions
Recombinant Double Mutant Heat-Labile Toxin LT(R192G/L211A) (dmLT) Oral enterotoxigenic Escherichia coli (ETEC) Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 27, 2019 · Synced Jul 23, 2026, 7:05 AM EDT