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Showing 1–24 of 774 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Gram-positive Bacterial Infections Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety, Tolerability and Immunogenicity of ASP3772, a Pneumococcal Vaccine, in Toddlers 12 to 15 Months of Age in Comparison to an Active Comparator

NCT04525599
View directory record Official record
Conditions
Healthy Volunteers, Pneumococcal Disease
Interventions
ASP3772, PCV13
Biological
Lead sponsor
Affinivax, Inc.
Industry
Eligibility
12 Months to 15 Months
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
17
States / cities
Bryant, Arkansas • Jonesboro, Arkansas • Anaheim, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2022 · Synced Sep 17, 2026, 4:08 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Intrapartum Effect of Vancomycin on Rectovaginal GBS Colonization

NCT02814318
View directory record Official record
Conditions
Group B Streptococcal Infection
Interventions
Vaginal and rectovaginal swab cultures
Biological
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 5, 2020 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 4 Interventional Results available

Staph Household Intervention for Eradication (SHINE)

NCT02572791
View directory record Official record
Conditions
Skin and Subcutaneous Tissue Bacterial Infections, Staphylococcus Aureus, MRSA - Methicillin Resistant Staphylococcus Aureus Infection
Interventions
Chlorhexidine, Mupirocin, Household cleaning
Drug · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Up to 18 Years
Enrollment
835 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting No phase listed Observational

Transmission and Acquisition of Nontuberculous Mycobacteria Outbreak Investigation (TrANsMIt)

NCT06155747
View directory record Official record
Conditions
Nontuberculous Mycobacterial Pulmonary Infection, Outbreak Investigation, Healthcare Associated Infection, Mycobacterium Infections
Interventions
Epidemiologic investigation
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Month to 99 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2036
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 2 Interventional Results available

A Proof of Concept Study of Inhaled Nitric Oxide for Adults With Pulmonary Non-Tuberculous Mycobacterial Infection

NCT03748992
View directory record Official record
Conditions
Nontuberculous Mycobacterium Infection
Interventions
gNO
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Portland, Oregon • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 17, 2026, 4:08 AM EDT
Completed No phase listed Observational

The Causes and Interpretation of Low-level Resistance in Staphylococcus Aureus

NCT01127516
View directory record Official record
Conditions
Staphylococcus Aureus
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 8, 2014 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Evaluation of the Immune Response to Clostridium Difficile in Adults With Clostridium Difficile Infection (CDI)

NCT01716533
View directory record Official record
Conditions
Infections, Clostridium Difficile
Interventions
Blood sampling, Stool sample collection
Procedure · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Little Rock, Arkansas • Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 2 Interventional Results available

Study of the Clinical Effectiveness of a Human Monoclonal Antibody to C. Difficile Toxin A and Toxin B in Patients With Clostridium Difficile Associated Disease

NCT00350298
View directory record Official record
Conditions
Clostridium Infections
Interventions
GS-CDA1/MDX-1388, normal saline
Biological
Lead sponsor
MassBiologics
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
22
States / cities
Los Angeles, California • Oakland, California • Newark, Delaware + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity Study of Investigational Recombinant Botulinum Vaccine A/B (rBV A/B) in Volunteers Previously Immunized With Investigational Pentavalent Botulinum Toxoid

NCT01701999
View directory record Official record
Conditions
Botulism
Interventions
rBV A/B
Biological
Lead sponsor
California Department of Public Health
Other
Eligibility
18 Years to 69 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Richmond, California • West Jefferson, Ohio
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Antibiotics on Enteric Neurons and Glia

NCT05834036
View directory record Official record
Conditions
Antibiotic Enterocolitis
Interventions
Amoxicillin Oral Capsule
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Escalating Single-dose Safety, Tolerability, and Pharmacokinetics of SQ109 in Healthy Volunteers

NCT01585636
View directory record Official record
Conditions
Tuberculosis
Interventions
SQ109
Drug
Lead sponsor
Sequella, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2013 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Stool Transplant in Pediatric Patients With Recurring C. Difficile Infection

NCT01972334
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
FMT, placebo
Biological
Lead sponsor
MemorialCare Health System
Other
Eligibility
1 Year to 21 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Sep 17, 2026, 4:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pathogenic Mechanisms in C Diff Infection and Colitis

NCT01930032
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced Sep 17, 2026, 4:08 AM EDT
Completed No phase listed Observational

Febrile Whole Blood Specimen Collection and Testing

NCT03498027
View directory record Official record
Conditions
Febrile Infection, Anthrax
Interventions
TaqMan Bacillus anthracis Detection Kit
Device
Lead sponsor
MRI Global
Industry
Eligibility
2 Years to 89 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Tarpon Springs, Florida • Fall River, Massachusetts • Franklin, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 17, 2026, 4:08 AM EDT
Completed No phase listed Observational

Mycobacterium Avium Intracellulare Complex (MAC) Study

NCT00826423
View directory record Official record
Conditions
Mycobacterium Avium Intracellulare Complex (MAC)
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 29, 2012 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 2 Interventional

Efficacy and Safety Study of Brilacidin to Treat Serious Skin Infections

NCT02052388
View directory record Official record
Conditions
Skin Infection, Bacterial Infection
Interventions
Daptomycin, Brilacidin
Drug
Lead sponsor
Cellceutix Corporation
Industry
Eligibility
18 Years to 85 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
4
States / cities
Chula Vista, California • La Mesa, California • Oceanside, California + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pneumococcal Conjugate Vaccine With Pneumococcal Polysaccharide Vaccine and Tetanus/Diphtheria Vaccine

NCT00164411
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Tetanus-diphtheria toxoids (Td), 7-valent pneumococcal conjugate vaccine, 23-valent polysaccharide vaccine
Biological
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
50 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 13, 2012 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of a Fluoroquinolone to Treat Complicated Skin Infections

NCT00719810
View directory record Official record
Conditions
Skin Structure Infections, Bacterial Skin Diseases, Staphylococcal Skin Infections
Interventions
delafloxacin, tigecycline
Drug
Lead sponsor
Melinta Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
13
States / cities
Anaheim, California • Hawaiian Gardens, California • Oceanside, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2014 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 2Phase 3 Interventional

TBTC Study 23A: Pharmacokinetics of Intermittent Isoniazid and Rifabutin in HIV-TB

NCT00023348
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Isoniazid, Rifabutin
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2005 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A New Anthrax Vaccine Administered by the Intramuscular (IM) Route in Healthy Adults

NCT00057525
View directory record Official record
Conditions
Anthrax
Interventions
Anthrax, Alhdryogel or PBS
Biological
Lead sponsor
DynPort Vaccine Company LLC, A GDIT Company
Industry
Eligibility
18 Years to 40 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 29, 2011 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of MEDI4893 in Healthy Adult Subjects

NCT01769417
View directory record Official record
Conditions
Staphylococcus Aureus
Interventions
Placebo, MEDI4893
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Sep 17, 2026, 4:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunogenicity of PCV-7 Vaccine in VLBW Infants

NCT00273325
View directory record Official record
Conditions
Pneumococcal Infections, Streptococcus Pneumoniae, Infant, Newborn, Infant, Low Birth Weight, Infant, Small for Gestational Age, Infant, Premature
Interventions
Not listed
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 3 Months
Enrollment
368 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
10
States / cities
Birmingham, Alabama • Palo Alto, California • Miami, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Sep 17, 2026, 4:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Weight and/or Obesity on Ethambutol Drug Concentrations

NCT01048697
View directory record Official record
Conditions
Obesity, Tuberculosis
Interventions
Ethambutol
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Sep 17, 2026, 4:08 AM EDT
Recruiting Not applicable Interventional

Economic Incentives and vDOT for Latent Tuberculosis Infection

NCT05022862
View directory record Official record
Conditions
Latent Tuberculosis
Interventions
Usual Care, Video Directly Observed Therapy alone, Video Directly Observed Therapy plus Financial Incentives
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
399 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 17, 2026, 4:08 AM EDT