Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 27, 2026, 9:08 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 90 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Plague Vaccine
Interventions
rF1V vaccine (with Adjuvant), rF1V vaccine (without Adjuvant)
Biological
Lead sponsor
DynPort Vaccine Company LLC, A GDIT Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
11
States / cities
San Francisco, California • Santa Ana, California • Lenexa, Kansas + 8 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase 2b Challenge Study With the Bioconjugate Vaccine Flexyn2a

NCT02646371
Conditions
Shigellosis
Interventions
Flexyn2a, Placebo
Biological
Lead sponsor
LimmaTech Biologics AG
Industry
Eligibility
18 Years to 50 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study of dmLT ID Vaccination in Healthy Adults

NCT02531685
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
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety Study of Chimeric Vaccine to Prevent ETEC Diarrhea

NCT01644565
Conditions
Escherichia Coli Infection
Interventions
Recombinant fimbrial adhesin dsc14CfaE-sCTA2/LTB5, Recombinant fimbrial adhesin dscCfaE, Modified E. coli heat labile enterotoxin LTR192G
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Silver Spring, Maryland
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
Completed Phase 1 Interventional Accepts healthy volunteers

Invaplex 50 Vaccine Dose-Ranging

NCT00082069
Conditions
Diarrhea
Interventions
Shigella flexneri 2a Invaplex 50
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 40 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Silver Spring, Maryland
Completed Phase 2 Interventional Accepts healthy volunteers

Challenge Study of an ETEC Vaccine

NCT01922856
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
Completed Phase 1 Interventional Results available

Colonizing Neurogenic Bladders With Benign Flora

NCT00371631
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
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection

NCT00485134
Conditions
Shigellosis
Interventions
240 µg Shigella flexneri 2a Invaplex 50 vaccine, 480 µg Shigella flexneri 2a Invaplex 50 vaccine, 690 Shigella flexneri 2a Invaplex 50 vaccine, Shigella challenge strain
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland • Silver Spring, Maryland
Conditions
Carbapenem-Resistant Enterobacteriaceae Infection, KPC, Gram-Negative Bacterial Infections, Antibiotic Resistant Infection
Interventions
Imipenem+Relebactam
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Charlotte, North Carolina
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
Conditions
Dysentery, Bacillary
Interventions
S.sonnei vaccine, Placebo, S. sonnei 53G challenge strain
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 50 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
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
Conditions
Gram-negative Bacteremia
Interventions
Intravenous Antibiotics, Oral Antibiotics
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
1,030 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
11
States / cities
San Francisco, California • Denver, Colorado • Baltimore, Maryland + 7 more
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Artificial Invaplex (Shigella Flexneri 2a InvaplexAR)

NCT02445963
Conditions
Shigellosis, Bacillary Dysentery
Interventions
Shigella flexneri 2a InvaplexAR
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Silver Spring, Maryland
Conditions
HIV Infections, Salmonella Infections
Interventions
Ceftriaxone sodium, Ampicillin sodium, Amoxicillin trihydrate
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Shigella
Interventions
CVD 1208S, a Shigella flexneri 2a live, oral vaccine, Placebo
Biological · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Baltimore, Maryland
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
Conditions
Shigella Infection
Interventions
Placebo, WRSs2, WRSs3
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Typhoid Fever
Interventions
BB IND 6989
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
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
Completed No phase listed Observational

Perinatal Transmission of MDR Bacteria

NCT06148480
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
Conditions
Enterobacterial Infections, Oncologic Disease, Inflammatory Disease, Invasive Fungal Infections
Interventions
18F-FDS PET/CT
Combination Product
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
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