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ClinicalTrials.gov public records Last synced Oct 24, 2026, 5:14 PM EDT

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Showing 265–288 of 778 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gram Positive Bacterial Infection Clear all
Completed No phase listed Observational

Expression of Tuberculosis in the Lung

NCT00201253
View directory record Official record
Conditions
Tuberculosis
Interventions
Bronchoalveolar lavages and venipunctures only
Other
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 26, 2015 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity Study of a Recombinant Protein Vaccine (NDV-3) Against S.Aureus and Candida

NCT01273922
View directory record Official record
Conditions
Staphylococcal Infections, Candidiasis
Interventions
NDV-3 investigational vaccine
Biological
Lead sponsor
NovaDigm Therapeutics, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated May 22, 2012 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 4 Interventional

Oral Vancomycin to Prevent Recurrent C Difficile Infection With Antibiotics

NCT03466502
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Oral Vancomycin
Drug
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Safety and Immunogenicity of a 20-Valent Pneumococcal Vaccine in Adults 65 Years of Age or Older With Prior Pneumococcal Vaccination

NCT03835975
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
13vPnC, PPSV23, 20vPnC
Biological
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
875 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
34
States / cities
Mobile, Alabama • Chandler, Arizona • Peoria, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 3 Interventional Results available

A Clinical Study of the V116 Vaccine for Children and Teenagers (V116-013)

NCT06177912
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V116, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
2 Years to 17 Years
Enrollment
882 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
29
States / cities
Birmingham, Alabama • Phoenix, Arizona • Madera, California + 23 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 3 Interventional Results available

Comparative Study of Ceftaroline vs. Vancomycin Plus Aztreonam in Adult Subjects With Complicated Skin Infections

NCT00423657
View directory record Official record
Conditions
Bacterial Infections
Interventions
ceftaroline, vancomycin plus aztreonam, Placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
17
States / cities
Buena Park, California • Hawaiian Gardens, California • Los Angeles, California + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 2 Interventional Results available

Safety, Efficacy and Pharmacokinetics of CF-301 vs. Placebo in Addition to Antibacterial Therapy for Treatment of S. Aureus Bacteremia

NCT03163446
View directory record Official record
Conditions
Staphylococcus Aureus Bacteremia, Staphylococcus Aureus Endocarditis
Interventions
CF-301, Placebo
Biological · Drug
Lead sponsor
ContraFect
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
31
States / cities
Birmingham, Alabama • Sacramento, California • Sylmar, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2021 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 2 Interventional Results available

The GRAFT Study: Gut RecolonizAtion by Fecal Transplantation

NCT03621657
View directory record Official record
Conditions
Clostridium Difficile Infection, C.Difficile Diarrhea, CDI
Interventions
Low Dose FMT Capsule DE, Single Dose FMT Capsule DE, Placebo oral capsule
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Oct 24, 2026, 5:14 PM EDT
Withdrawn No phase listed Observational

Video Based Directly Observed Therapy for Latent TB

NCT03783728
View directory record Official record
Conditions
Latent Tuberculosis
Interventions
Rifapentine 600 mg orally, Isoniazid 900 mg orally, Pyridoxine 50 mg orally
Drug
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and Effect of TMC207 and Efavirenz in Healthy Volunteers

NCT00992069
View directory record Official record
Conditions
Tuberculosis, HIV
Interventions
Efavirenz (EFV), TMC207
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
5
States / cities
San Francisco, California • Baltimore, Maryland • Chapel Hill, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About a Type of Pneumococcal Vaccine With a New Ingredient (PF-07872411) Intended to Enhance the Effects of the Vaccine Which is Given to Adults

NCT05831124
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
Low dose multivalent pneumococcal conjugate vaccine formulation A, Low dose multivalent pneumococcal conjugate vaccine formulation B, Low dose of multivalent pneumococcal conjugate vaccine control, Standard dose multivalent pneumococcal conjugate vaccine control
Other · Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 64 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
9
States / cities
Hialeah, Florida • Hollywood, Florida • Columbia, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 24, 2026, 5:14 PM EDT
Completed No phase listed Observational

Healthcare-associated Links in Transmission of Nontuberculous Mycobacteria in Cystic Fibrosis

NCT04024423
View directory record Official record
Conditions
Cystic Fibrosis, Nontuberculous Mycobacterium Infection
Interventions
Epidemiologic investigation
Other
Lead sponsor
National Jewish Health
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 4, 2023 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 2 Interventional

TBTC Study 23C: Pharmacokinetics of Intermittent Rifabutin and Isoniazid With Daily Efavirenz

NCT00023413
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Rifabutin, Efavirenz
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2012 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 4 Interventional

Humoral Determinants of Immunity to Pneumococcal Infection

NCT00304382
View directory record Official record
Conditions
Pneumonia, Pneumococcal Infections, Infections, Streptococcus Pneumoniae
Interventions
Prevnar, Pneumovax
Biological
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Oct 24, 2026, 5:14 PM EDT
Completed No phase listed Observational

The Role of Mucosal Microbiome in Recurrence of Clostridioides Difficile Infection

NCT04675723
View directory record Official record
Conditions
Clostridioides Difficile Infection
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

StaphVAX in Cardiovascular Surgery Patients

NCT00211913
View directory record Official record
Conditions
Staphylococcal Infections, Cardiovascular Diseases, Cardiovascular Surgical Procedures
Interventions
S. aureus Type 5 & 8 Capsular Polysaccharide Conjugate, placebo
Biological
Lead sponsor
Nabi Biopharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 4, 2008 · Synced Oct 24, 2026, 5:14 PM EDT
Completed No phase listed Observational

The Effects of Treatment for Mycobacterium Avium Complex (MAC) on the Cells of HIV-Infected Patients

NCT00000860
View directory record Official record
Conditions
Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
11
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

20-valent Pneumococcal Conjugate Vaccine Safety and Immunogenicity Study of a 4-Dose Series in Healthy Infants

NCT04382326
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
20-valent pneumococcal conjugate vaccine, 13-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
1,997 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
105
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 78 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1, Randomized, Controlled, Observer-blinded Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Healthy Adults Aged 18 to 49 Years

NCT02955160
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Tdap
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Velocity 2: An Anthrax Vaccine and Antibiotics Clinical Study

NCT04067011
View directory record Official record
Conditions
Anthrax
Interventions
Ciprofloxacin 500Mg Tablet, Doxycycline 100Mg Tablet, AV7909
Drug · Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 45 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
4
States / cities
DeLand, Florida • Kansas City, Missouri • Omaha, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 24, 2026, 5:14 PM EDT
Terminated Phase 2Phase 3 Interventional

Substance Use Disorder (SUD)-Associated Infections' Treatment With Dalbavancin ENabling OUtpatient Transition

NCT04847921
View directory record Official record
Conditions
Gram-Positive Bacterial Infections, Gram-Positive Bacteraemia, Substance Use Disorders, Intravenous Substance Abuse
Interventions
Dalbavancin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 19, 2023 · Synced Oct 24, 2026, 5:14 PM EDT
Completed Phase 2 Interventional Results available

Efficacy of Oral Vancomycin Prophylaxis for Prevention of Recurrent Clostridium Difficile Infection

NCT03462459
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection, Clostridium Difficile Infection, CDI, C.Difficile Diarrhea, C. Diff Colitis, C.Difficile Colitis
Interventions
Vancomycin, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 24, 2026, 5:14 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Vaccine Given With Prevnar 13 in Healthy Infants

NCT03550313
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Prevnar 13
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
565 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
48
States / cities
Mobile, Alabama • Harrisburg, Arkansas • Anaheim, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2021 · Synced Oct 24, 2026, 5:14 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research

NCT04806620
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome, ME/CFS, Rheumatic Arthritis, Juvenile Rheumatoid Arthritis (JRA), Psoriatic Arthritis (PsA), Ankylosing Spondylitis (AS), Autoimmune Encephalitis, Celiac Disease, Celiac Disease in Children, Chronic Lyme Disease, Post-treatment Lyme Disease Syndrome, Crohn's Disease, Dysautonomia, Anorexia Nervosa, Bulimia Nervosa, ARFID, Avoidant / Restrictive Food Intake Disorder, Ehlers Danlos Syndrome, Endometriosis, Fibromyalgia (FM), Long COVID, Lupus, Migraines, Mast Cell Activation Syndrome, Multiple Sclerosis, Myalgic Encephalomyelitis (ME), Myasthenia Gravis, Generalized, Myasthenia Gravis in Children, Narcolepsy, Obsessive Compulsive Disorder (OCD), PANDAS, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), POTS - Postural Orthostatic Tachycardia Syndrome, General Anxiety Disorder, Social Anxiety Disorder, PTSD - Post Traumatic Stress Disorder, Psoriasis, Traumatic Brain Injury, Tourette's Syndrome, Inflammatory Bowel Disease (IBD), Autoimmune Diseases, Neurological Diseases or Conditions, Psychiatric Disorder, Sjogren's Syndrome, Ulcerative Colitis and Crohn's Disease
Interventions
Not listed
Lead sponsor
Brain Inflammation Collaborative
Other
Eligibility
2 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
1
States / cities
Delafield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 24, 2026, 5:14 PM EDT