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ClinicalTrials.gov public records Last synced Jul 21, 2026, 5:03 AM EDT

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Showing 1–24 of 603 matching trials from the live ClinicalTrials.gov search.
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Conditions
Urinary Tract Infection
Interventions
Cefixime, Cephalexin, Placebo, Trimethoprim/Sulfamethoxazole
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Months to 10 Years
Enrollment
717 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Lyme Borreliosis, Nervous System
Interventions
VLA15 with Alum, VLA15 without Alum
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 39 Years
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
4
States / cities
La Mesa, California • Lincoln, Nebraska
Conditions
Enterobacteriaceae Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Electrocardiogram Repolarisation Abnormality, Gonococcal Infection
Interventions
AZD0914, Moxifloxacin, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Overland Park, Kansas
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Partnership for Rapid Elimination of Trachoma

NCT00792922
Conditions
Trachoma
Interventions
Azithromycin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 5 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
2
States / cities
San Francisco, California • Baltimore, Maryland
Conditions
Chlamydia, Gonorrhea
Interventions
Not listed
Lead sponsor
Siemens Healthcare Diagnostics Inc
Industry
Eligibility
18 Years to 99 Years
Enrollment
2,296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
7
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 4 more
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
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
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Baltimore, Maryland
Conditions
Syphilis
Interventions
Not listed
Lead sponsor
Chembio Diagnostic Systems, Inc.
Industry
Eligibility
13 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
3
States / cities
Los Angeles, California • Fort Lauderdale, Florida • Baltimore, Maryland
Conditions
Lyme Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years to 99 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1996
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Early Phase 1 Interventional Accepts healthy volunteers

WHNRC (Western Human Nutrition Research Center) Fiber Intervention Study

NCT04543877
Conditions
Inflammation, Vaccine, Intestinal Permeability, Typhoid Fever
Interventions
Inulin, Maltodextrin, Ty21a Typhoid Fever Vaccine
Dietary Supplement · Biological
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 59 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Davis, California
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
Carbapenem-Resistant Enterobacteriaceae
Interventions
Rectal swab collection
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
2 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Indianapolis, Indiana • Detroit, Michigan
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Experimental Human Infection With Neisseria Gonorrhoeae

NCT03840811
Conditions
Gonococcal Infection
Interventions
Cefixime, Ceftriaxone, Ciprofloxacin, Neisseria gonorrhoeae strain FA1090 A26, Neisseria gonorrhoeae strain FA7537
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 36 Years · Male only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Gram Negative 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 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

TY800 Dose Escalation (Typhoid)

NCT00269295
Conditions
Typhoid and Paratyphoid Fevers
Interventions
Ty800, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Gram-Negative Bacterial Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Meningococcal Meningitis, Meningococcal Infections
Interventions
NmVac4-A/C/Y/W-135-DT™
Biological
Lead sponsor
JN-International Medical Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Towson, Maryland
Conditions
Diphtheria, Tetanus, Whooping Cough, Polio, Haemophilus Influenzae Type b
Interventions
DAPTACEL® (Diphtheria and Tetanus Toxoids and Acellular Pertussis vaccine), Pentacel: DTaP-IPV/Hib
Biological
Lead sponsor
Sanofi
Industry
Eligibility
42 Days to 84 Days
Enrollment
1,941 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
26
States / cities
Fayetteville, AR 72703, Arkansas • Jonesboro, AR 72401, Arkansas • Little Rock, AR 72211, Arkansas + 23 more
Conditions
Plague, Pneumonic, Plague, Vaccine-Preventable Diseases
Interventions
rF1V-1018, rF1V vaccine
Biological
Lead sponsor
Dynavax Technologies Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
6
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more
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
Conditions
Meningitis, Meningococcemia, Neisseria Meningitidis
Interventions
A/C/Y/W-135, Meningococcal Polysaccharide Vaccine (Menomune®)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
3 Years to 5 Years
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
8
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Woburn, Massachusetts + 5 more
Conditions
Chlamydial Infections
Interventions
Not listed
Lead sponsor
Sanofi
Industry
Eligibility
14 Years to 44 Years
Enrollment
533,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Worcester, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology and Pathophysiology of Post-Infectious Functional GI Disorders

NCT03266068
Conditions
Campylobacter Infections, Irritable Bowel Syndrome
Interventions
DNA Analysis of Blood Sample, Flexible sigmoidoscopy with colonic biopsies, Small bowel and colonic gastrointestinal permeability, Stool sample analysis
Genetic · Procedure · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota