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ClinicalTrials.gov public records Last synced Sep 8, 2026, 8:38 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Bacterial Colonization Clear all
Completed Phase 3 Interventional Results available

Group B Streptococcus Response After Probiotic Exposure

NCT04721912
View directory record Official record
Conditions
Group B Strep Infection
Interventions
Probiotic dietary supplement
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Not applicable Interventional Results available

Evaluation of the Effectiveness of Daily Pulse Lavage Therapy in Chronic Wounds

NCT01500746
View directory record Official record
Conditions
Chronic Wounds
Interventions
Pulse lavage treatment, Dressing changes
Procedure · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 13, 2014 · Synced Sep 8, 2026, 8:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Gastric Bacterial Colonization of Preterm Neonates

NCT05385939
View directory record Official record
Conditions
Microbial Colonization, Preterm Birth
Interventions
Observational
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
1 Week to 6 Months
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 22, 2022 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Chlorhexidine Cleansing on Bacteria Colonizing the Umbilical Cord of Infants in Bangladesh

NCT00719329
View directory record Official record
Conditions
Infection
Interventions
Chlorhexidine 4.0%, Dry Cord Care
Drug · Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
Up to 7 Days
Enrollment
1,931 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 19, 2012 · Synced Sep 8, 2026, 8:38 AM EDT
Not yet recruiting Early Phase 1 Interventional

Pilot Trial of Xylitol for C. Difficile De-Colonization in Patients With Inflammatory Bowel Disease

NCT06799039
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD), Clostridioides Difficile Infection
Interventions
Xylitol
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 8, 2026, 8:38 AM EDT
Terminated Not applicable Interventional Results available

Chitosan Dressings to Facilitate Safe Effective Debridement of Chronic Wounds & Minimize Wound Bacterial Re-colonization

NCT01035944
View directory record Official record
Conditions
Wound Debridement
Interventions
HemCon Dressings and HemCon ChitoGauze; chitosan-based., Gauze and saline dressings.
Device
Lead sponsor
HemCon Medical Technologies, Inc
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 30, 2014 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Phase 3 Interventional Results available

Fluconazole Prophylaxis for the Prevention of Candidiasis in Infants Less Than 750 Grams Birthweight

NCT00734539
View directory record Official record
Conditions
Candidiasis
Interventions
fluconazole, placebo
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
2 Days to 5 Days
Enrollment
362 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
33
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Orange, California + 25 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2019 · Synced Sep 8, 2026, 8:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunologic Predisposition of HIV Patients to Develop Methicillin-Resistant Staphylococcus Aureus (MRSA) Colonization and Infection

NCT00859677
View directory record Official record
Conditions
HIV Infections, Staphylococcal Infections
Interventions
Not listed
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
2
States / cities
San Diego, California • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Treatment of Gardnerella Vaginalis Vaginal Colonization With Amoxicillin

NCT03211156
View directory record Official record
Conditions
Vaginitis Gardnerella
Interventions
Amoxicillin, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Birmingham, Alabama • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2020 · Synced Sep 8, 2026, 8:38 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Dynamics of Colonization and Infection by Multidrug-Resistant Pathogens in Immunocompromised and Critically Ill Patients

NCT06258551
View directory record Official record
Conditions
Antimicrobial Drug Resistance, Antibiotic Resistant Infection, Clostridium Difficile, Carbapenem-Resistant Enterobacteriaceae Infection, Extended Spectrum Beta-Lactamase Producing Bacteria Infection, Vancomycin Resistant Enterococci Infection, Carbapenem Resistant Bacterial Infection, Vancomycin-Resistant Enterococcal Infection
Interventions
Not listed
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Not applicable Interventional Results available

Individualized vs. Household MRSA Decolonization

NCT01814371
View directory record Official record
Conditions
Staphylococcal Skin Infection, Abscess, Furunculosis, Staphylococcus Aureus, MRSA Infection
Interventions
2% mupirocin ointment, Bleach Bath (dilute), Hygiene Protocol
Drug · Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Efficacy of B7A BSIgG Against E. Coli Strain B7A Challenge

NCT03040687
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Anti CS6 BSIgG product (Lot PD1601105CS), Anti B7A BSIgG product (Lot PD1601132ET), Bovine Immunoglobin Negative Control (Lot PD161071NC), B7A- CS6-expressing ETEC challenge strain
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Nontypeable H. Influenzae in Healthy Adults

NCT00905385
View directory record Official record
Conditions
Haemophilus Influenzae (NTHI)
Interventions
NTHi Strain 2019
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 54 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 10, 2013 · Synced Sep 8, 2026, 8:38 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Comparing Single Versus Repeat NMT on the Diversity of the Neonatal Nasal Microbiome

NCT06283355
View directory record Official record
Conditions
Staphylococcus Aureus, Microbial Colonization, Neonatal Infection
Interventions
Nasal Microbiota Transplant (NMT), Placebo
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
0 Years to 60 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Evaluation of NDV-3A Vaccine in Preventing S. Aureus Colonization

NCT03455309
View directory record Official record
Conditions
Staphylococcus Aureus
Interventions
NDV-3A, Placebo
Biological
Lead sponsor
NovaDigm Therapeutics, Inc.
Industry
Eligibility
17 Years to 35 Years · Male only
Enrollment
382 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fort Benning, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Phase 2 Interventional

Mupirocin to Reduce Staphylococcus Aureus Colonization in Infants Hospitalized in a NICU

NCT02967432
View directory record Official record
Conditions
Staphylococcus
Interventions
Mupirocin Topical Ointment, Petroleum Jelly
Drug
Lead sponsor
Crouse Hospital
Other
Eligibility
Not listed
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 20, 2020 · Synced Sep 8, 2026, 8:38 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Mouthrinse on the Microbiome of the Oral Cavity and GI Tract

NCT05603650
View directory record Official record
Conditions
Oral Bacterial Infection, Oral Infection, Microbial Colonization, Viral Infection
Interventions
Lumineux Oral Essentials rinse, Listerine rinse
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 8, 2026, 8:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Volatile Organic Compounds in Staphylococcus Aureus Patients

NCT01379053
View directory record Official record
Conditions
Staphylococcus Aureus, Methicillin-resistant Staphylococcus Aureus, Nosocomial Disease
Interventions
Not listed
Lead sponsor
Landon Pediatric Foundation
Other
Eligibility
1 Year to 85 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2014 · Synced Sep 8, 2026, 8:38 AM EDT
Recruiting Phase 4 Interventional

Interleukin-4Ra Blockade by Dupilumab Decreases Staphylococcus Colonization and Increases Microbial Diversity in CRSwNP

NCT05094570
View directory record Official record
Conditions
Nasal Polyps, Staphylococcus Aureus
Interventions
Dupilumab Prefilled Syringe
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 8, 2026, 8:38 AM EDT
Active, not recruiting Phase 2 Interventional

PMT for MDRO Decolonization

NCT05632315
View directory record Official record
Conditions
Multidrug Resistant Bacterial Infection, Enterobacteriaceae Infections, Pseudomonas Aeruginosa, VRE Infection, Methicillin-resistant Staphylococcus Aureus
Interventions
PMT
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Atlanta, Georgia • St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 8, 2026, 8:38 AM EDT
Terminated Not applicable Interventional Results available

The Efficacy of "MediHoney" to Facilitate Catheter Exit-Site Surgical Wound Healing

NCT01230489
View directory record Official record
Conditions
Renal Failure
Interventions
MediHoney
Biological
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 90 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Sep 8, 2026, 8:38 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Feasibility and Safety Study of Parent-to-Child Nasal Microbiota Transplant

NCT05695196
View directory record Official record
Conditions
Staphylococcus Aureus, Microbial Colonization, Neonatal Infection
Interventions
nasal microbiota transplant (NMT), Placebo
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 60 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Not applicable Interventional

Bacterial Decolonization Within Dyads

NCT06541145
View directory record Official record
Conditions
Bacterial Colonization
Interventions
Mupirocin, Chlorhexidine baths
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 8, 2026, 8:38 AM EDT
Completed Phase 1 Interventional Results available

Effect of Medium Chain Triglyceride Intake on Colonization of Preterm Infants With Candida

NCT03630770
View directory record Official record
Conditions
Candida Infection, Premature Infant
Interventions
Medium-Chain Triglyceride (MCT) Oil
Drug
Lead sponsor
Joseph Bliss
Other
Eligibility
Up to 6 Months
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 13, 2022 · Synced Sep 8, 2026, 8:38 AM EDT