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Showing 1–24 of 53 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: E Coli Infections Clear all
Completed No phase listed Observational

Multi-Drug Resistant Organism (MDRO): Study of Highly Resistant Escherichia Coli

NCT04574596
View directory record Official record
Conditions
E Coli Infection
Interventions
no Intervention
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
300 participants
Timeline
2020 – 2021
U.S. locations
13
States / cities
Torrance, California • Aurora, Colorado • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Jul 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM 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 Jul 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM EDT
Completed No phase listed Observational

Incidence of Antibiotic Resistant E.Coli in Patients Undergoing Repeat Prostate Biopsy

NCT00915213
View directory record Official record
Conditions
Bacterial Infection
Interventions
Not listed
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Male only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
3
States / cities
Irvine, California • Long Beach, California • Orange, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2016 · Synced Jul 21, 2026, 8:15 PM EDT
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 21, 2026, 8:15 PM EDT
Completed Phase 3 Interventional Results available

Calaspargase Pegol or Pegaspargase and Combination Chemotherapy in Treating Younger Patients With Newly Diagnosed High-Risk Acute Lymphoblastic Leukemia

NCT00671034
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Adult B Acute Lymphoblastic Leukemia, Childhood B Acute Lymphoblastic Leukemia
Interventions
Calaspargase Pegol-mknl, Cyclophosphamide, Cytarabine, Daunorubicin Hydrochloride, Dexamethasone, Doxorubicin Hydrochloride, Laboratory Biomarker Analysis, Mercaptopurine, Methotrexate, Pegaspargase, Pharmacological Study, Prednisone, Radiation Therapy, Thioguanine, Vincristine Sulfate
Drug · Other · Radiation
Lead sponsor
Children's Oncology Group
Network
Eligibility
2 Years to 30 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2021
U.S. locations
27
States / cities
Birmingham, Alabama • Orange, California • Palo Alto, California + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Jul 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM 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 Jul 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM 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 Jul 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM 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 21, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Challenge Model Refinement With Enterotoxigenic Escherichia Coli Strain B7A

NCT02773446
View directory record Official record
Conditions
Healthy Volunteer
Interventions
ETEC strain B7A (O148:H28 CS6+ LT+ST+) (Lot 0481) in Buffer
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Jul 21, 2026, 8:15 PM 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 Jul 21, 2026, 8:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study to Collect Information About Invasive Disease Caused by Extraintestinal Pathogenic Escherichia Coli (EXPECT-1)

NCT04087681
View directory record Official record
Conditions
E.Coli Infections
Interventions
Not listed
Lead sponsor
MJM Bonten
Other
Eligibility
60 Years and older
Enrollment
4,479 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced Jul 21, 2026, 8:15 PM EDT
Recruiting Phase 1Phase 2 Interventional

Phase 1b/2a Randomized Double-blind Study to Investigate Safety Tolerability PK PD Preliminary Efficacy of Oral Administration of SNIPR001 in Patients With Hematologic Malignancy Scheduled for Allogeneic Hematopoietic Stem-Cell Transplant Receiving FQ Prophylaxis & Harboring FQR Ecoli Pre-Transplant

NCT06938867
View directory record Official record
Conditions
E Coli Infections, Allogenic Transplant Patients
Interventions
SNIPR001 consists of genetically modified bacteriophages specifically targeting Escherichia coli, Placebo 10 mL
Biological · Other
Lead sponsor
SNIPR Biome Aps.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
8
States / cities
Duarte, California • San Francisco, California • Baltimore, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jul 21, 2026, 8:15 PM EDT
Completed No phase listed Observational

Perinatal Transmission of MDR Bacteria

NCT06148480
View directory record Official record
Conditions
E. Coli Infection, Multi-antibiotic Resistance
Interventions
Not listed
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Jul 21, 2026, 8:15 PM 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 Jul 21, 2026, 8:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study Confirming A Human Challenge Model and Investigating The Safety Of VLA1701

NCT03576183
View directory record Official record
Conditions
Enterotoxigenic Escherichia Coli Infection, Diarrhea
Interventions
VLA1701, Placebo, Challenge Strain
Biological · Other
Lead sponsor
Valneva Austria GmbH
Industry
Eligibility
18 Years to 49 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Jul 21, 2026, 8:15 PM 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 Jul 21, 2026, 8:15 PM EDT
Completed No phase listed Observational

Study to Collect Information About Invasive Disease Caused by Extraintestinal Pathogenic Escherichia Coli-2 (EXPECT-2)

NCT04117113
View directory record Official record
Conditions
E. Coli Infection
Interventions
Not listed
Lead sponsor
UMC Utrecht
Other
Eligibility
60 Years and older
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced Jul 21, 2026, 8:15 PM EDT