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ClinicalTrials.gov public records Last synced Oct 25, 2026, 10:39 AM EDT

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Showing 577–600 of 2,365 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Bacterial Infection Clear all
Completed Phase 2 Interventional Results available

Efficacy, Safety, and Tolerability Study of Oral Full-Spectrum MicrobiotaTM (CP101) in Subjects With Recurrent C. Diff

NCT03110133
View directory record Official record
Conditions
Clostridium Difficile Infection Recurrence
Interventions
Full Spectrum Microbiota, Placebo
Drug
Lead sponsor
Finch Research and Development LLC.
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
54
States / cities
Scottsdale, Arizona • Los Angeles, California • Murrieta, California + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Oct 25, 2026, 10:39 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Randomized Directly Observed Therapy Study to Interpret Clinical Trials of Doxy-PEP

NCT06414408
View directory record Official record
Conditions
Sexually Transmitted Diseases, Bacterial
Interventions
Doxycycline Pill
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Retapamulin Microdialysis Feasibility Study

NCT01812382
View directory record Official record
Conditions
Skin Infections, Bacterial
Interventions
Retapamulin Microdialysis
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of V116 in Adults With Increased Risk for Pneumococcal Disease (V116-008)

NCT05696080
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V116, Placebo, PCV15, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
518 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
8
States / cities
Mesa, Arizona • Hialeah, Florida • West Palm Beach, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 25, 2026, 10:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Clinical Evaluation of the APTIMA® COMBO 2® Assay Using the PANTHER™ System

NCT01733069
View directory record Official record
Conditions
Chlamydia Trachomatis, Neisseria Gonorrhoeae Infection
Interventions
APTIMA COMBO 2 Assay (AC2 Assay)
Device
Lead sponsor
Gen-Probe, Incorporated
Industry
Eligibility
14 Years and older
Enrollment
1,912 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
7
States / cities
Indianapolis, Indiana • New Orleans, Louisiana • Fall River, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2014 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety, Tolerability and PK of Repeat Administration of Intravenous ETI-204 in Adult Volunteers

NCT01932242
View directory record Official record
Conditions
Inhalational Anthrax
Interventions
ETI-204, Placebo
Biological · Other
Lead sponsor
Elusys Therapeutics
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Overland Park, Kansas • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Oct 25, 2026, 10:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology and Pathophysiology of Post-Infectious Functional GI Disorders

NCT03266068
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 2 Interventional Results available

Effects of Interferon-Gamma on Cavitary Pulmonary Tuberculosis in the Lungs

NCT00201123
View directory record Official record
Conditions
Tuberculosis, AIDS-related Complex
Interventions
Aerosol Interferon-Gamma, Subcutaneous interferon-gamma, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 16, 2016 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluation of Meningococcal Immune Response Among Children Who Previously Received MenACWY Conjugate Vaccine

NCT01148017
View directory record Official record
Conditions
Meningococcal Meningitis
Interventions
Meningococcal (groups A, C, W, and Y) oligosaccharide diphtheria CRM-197 conjugate vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
37 Months to 63 Months
Enrollment
433 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
19
States / cities
Birmingham, Alabama • Downey, California • Oakland, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Oct 25, 2026, 10:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Validation Study for Detecting Chlamydia and Gonorrhea in Rectal Samples

NCT00827697
View directory record Official record
Conditions
Gonorrhea, Chlamydia
Interventions
Gen-Probe APTIMA Combo2 (AC2)
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
399 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2016 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Treating Parents to Reduce NICU Transmission of Staphylococcus Aureus Trial

NCT02223520
View directory record Official record
Conditions
Staph Aureus Colonization, Staph Aureus Infection
Interventions
Mupirocin and Chlorhexidine, Placebo ointment and placebo cloths
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Oct 25, 2026, 10:39 AM EDT
Terminated Phase 2 Interventional Results available

Phase 2 Study of Safety, Efficacy, and Pharmacokinetics of Higher Doses of Daptomycin and Vancomycin in MRSA Bacteremia

NCT00695903
View directory record Official record
Conditions
Endocarditis, Bacterial, Infective Endocarditis
Interventions
daptomycin, vancomycin
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Greenville, North Carolina • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 24, 2018 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity of a Clostridium Difficile Toxoid Vaccine in Healthy Elderly Volunteers

NCT00214461
View directory record Official record
Conditions
Clostridium Infections
Interventions
Vaccine diluent buffer (Placebo), C. difficile toxoid vaccine (2 µg), C. difficile toxoid vaccine (10 µg), C. difficile toxoid vaccine (50 µg)
Biological
Lead sponsor
Sanofi
Industry
Eligibility
65 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
2
States / cities
Orlando, Florida • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 11, 2012 · Synced Oct 25, 2026, 10:39 AM EDT
Completed No phase listed Observational

Assessing the Ability of the T-SPOT®.TB Test (IQ)

NCT03973970
View directory record Official record
Conditions
Tuberculosis
Interventions
Not listed
Lead sponsor
Oxford Immunotec
Industry
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Brownsville, Texas
Source: ClinicalTrials.gov public record
Updated Feb 24, 2021 · Synced Oct 25, 2026, 10:39 AM EDT
Terminated Not applicable Interventional Results available

Effect of Acid Suppression Medication on Pediatric Microbiome

NCT02016820
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Omeprazole (suspension), Lifestyle Modification
Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
0 Years to 4 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dose Comparison Study of Menactra® in US Children

NCT00700635
View directory record Official record
Conditions
Meningitis, Meningococcal Infection, Neisseria Meningitidis
Interventions
Menactra®: Meningococcal Polysaccharide Diphtheria Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
2 Years to 10 Years
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
15
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Boca Raton, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 25, 2026, 10:39 AM EDT
Recruiting Phase 2 Interventional

Alanyl-glutamine Supplementation for C. Difficile Treatment (ACT)

NCT04305769
View directory record Official record
Conditions
Clostridioides Difficile Infection, Clostridium Difficile Infection, Clostridium Difficile Diarrhea, Clostridia Difficile Colitis
Interventions
Alanyl-glutamine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 105 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Charlottesville, Virginia • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2024 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Retapamulin Ointment in Healthy Adults Nasally Colonized With Staphylococcus Aureus

NCT00539994
View directory record Official record
Conditions
Infections, Bacterial
Interventions
Retapamulin, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
4
States / cities
San Diego, California • Honolulu, Hawaii • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Oct 25, 2026, 10:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pathogenesis of Bacterial Vaginosis in Women Who Have Sex With Women

NCT02272231
View directory record Official record
Conditions
Vaginosis, Bacterial
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Not applicable Interventional Results available

Open-label Vitamin D Trial for Patients With Cystic Fibrosis and Allergic Bronchopulmonary Aspergillosis

NCT01222273
View directory record Official record
Conditions
Cystic Fibrosis, Allergic Bronchopulmonary Aspergillosis
Interventions
cholecalciferol (Vitamin D3)
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Oct 25, 2026, 10:39 AM EDT
Terminated Phase 4 Interventional Results available

Safety and Efficacy of Strategy to Prevent Drug-Induced Nephrotoxicity in High-Risk Patients

NCT01734694
View directory record Official record
Conditions
Health Care Associated Pneumonia, Osteomyelitis/Septic Arthritis, Endocarditis, Bacteremia, Acute Bacterial Skin and Skin Structure Infections
Interventions
Vancomycin, Ceftaroline, Daptomycin, Linezolid
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

A Study Comparing the Efficacy of TA103 and the Placebo Control in the Treatment of Interdigital Tinea Pedis.

NCT04883593
View directory record Official record
Conditions
Tinea Pedis
Interventions
TA103, Placebo Control
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Oct 25, 2026, 10:39 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Study of Antibiotic-induced Vaginal Yeast Infections in Healthy Women

NCT01915251
View directory record Official record
Conditions
Microbiome, Antibiotic-Induced VVC, Vaginal Candidiasis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 25, 2026, 10:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Shigella CVD 30000: Study of Responses to Vaccination With Shigella Vaccine

NCT04078022
View directory record Official record
Conditions
Shigella
Interventions
SF2a-TT15 Shigella Vaccine, Placebo, S. flexneri 2a strain 2457T Challenge Agent
Biological · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Oct 25, 2026, 10:39 AM EDT