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ClinicalTrials.gov public records Last synced Oct 30, 2026, 9:25 AM EDT

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Showing 361–384 of 5,231 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Infection Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men

NCT03980223
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Syphilis
Interventions
Doxycycline Hyclate Delayed-Release 200 mg
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 12, 2024 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Trial for the Development of a Safe Malaria Challenge Model That Can be Reproduced in Humans

NCT00935623
View directory record Official record
Conditions
Plasmodium Vivax Malaria
Interventions
Malaria Challenge
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Oct 30, 2026, 9:25 AM EDT
Active, not recruiting Not applicable Interventional

A Study of Positive Emotions With Long COVID-19

NCT05676008
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome
Interventions
Microdosing of mindfulness
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 30, 2026, 9:25 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 24, 2013 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Availability of COVID-19 Testing on Choice to Isolate and Socially Distance

NCT04459520
View directory record Official record
Conditions
COVID-19
Interventions
Positive COVID Test Result - Hypothetical Scenario, Negative COVID Test Result - Hypothetical Scenario, Unavailable COVID Test Result - Hypothetical Scenario
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 110 Years
Enrollment
1,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2020 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Not applicable Interventional

A Pilot Open Label Trial of HIV Therapy With d4T (Stavudine), ddI (Didanosine), Nelfinavir and Hydroxyurea in Subjects With Early Asymptomatic HIV Infection

NCT00002176
View directory record Official record
Conditions
HIV Infections
Interventions
Hydroxyurea, Nelfinavir mesylate, Stavudine, Didanosine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
16 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2000
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2011 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of IV CXA-101 and IV Ceftazidime in Patients With Complicated Urinary Tract Infections

NCT00921024
View directory record Official record
Conditions
Complicated Urinary Tract Infection
Interventions
CXA-101, Ceftazidime
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 90 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
7
States / cities
Los Angeles, California • Orlando, Florida • Decatur, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Oct 30, 2026, 9:25 AM EDT
Completed No phase listed Observational

Observational Study of C. Diff in Post-Transplant Patients

NCT02747017
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
4
States / cities
Minneapolis, Minnesota • Rochester, Minnesota • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Not applicable Interventional

Preventing Bacterial and Viral Infections Among Injection Drug Users

NCT01892358
View directory record Official record
Conditions
Bacterial Infection, HIV
Interventions
SKIN Intervention, Treatment as Usual
Behavioral · Other
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 9, 2020 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Postpartum Video Education

NCT05159726
View directory record Official record
Conditions
Postpartum Hemorrhage, Postpartum Preeclampsia, Postpartum Sepsis, Postpartum Depression, Patient Empowerment, Patient Education, Postpartum Care
Interventions
Video Education
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Clinical Trial With Controlled Human Malaria Infection (CHMI) to Evaluate the Safety and Efficacy of the Plasmodium Falciparum Vaccine Candidate FMP012 Administered Intramuscularly With AS01B Adjuvant System in Healthy Malaria-Naïve Adults

NCT02174978
View directory record Official record
Conditions
Malaria
Interventions
FMP012 with AS01B adjuvant system, P falciparum Controlled Human Malaria Infection (CHMI)
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 30, 2026, 9:25 AM EDT
Completed No phase listed Observational

Effects of HIV on the Development and Function of Bone Marrow Cells

NCT00001243
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1989 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 30, 2026, 9:25 AM EDT
Withdrawn Phase 4 Interventional

Ceftaroline in the Treatment of Bone and Joint Infections

NCT02005068
View directory record Official record
Conditions
Osteomyelitis, Joint Infections
Interventions
Ceftaroline
Drug
Lead sponsor
Orlando Health, Inc.
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 2 Interventional

Preventive Measures for Childhood-Onset Obsessive-Compulsive Disorder and Tic Disorders (PANDAS Subgroup)

NCT00001359
View directory record Official record
Conditions
Mental Disorder Diagnosed in Childhood, Obsessive Compulsive Disorder, Streptococcal Infection, Tic Disorder
Interventions
Penicillin or Placebo
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Not applicable Interventional

Improving Safety of Lead Extraction Procedures by Traction Force Sensing

NCT03842124
View directory record Official record
Conditions
Cardiac Implantable Electronic Device Infection, Cardiovascular Infections
Interventions
Force gauge
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Oct 30, 2026, 9:25 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Bacillus Velezensis DSM 33864 for Reduction of the Risk of Recurrent Clostridioides Difficile Infections

NCT05606159
View directory record Official record
Conditions
Clostridium Difficile Infection Recurrence
Interventions
Bacillus velezensis DSM 33864, Placebo
Dietary Supplement
Lead sponsor
Novozymes A/S
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 30, 2026, 9:25 AM EDT
Terminated Phase 1 Interventional Results available

Trial of Famotidine & N-Acetyl Cysteine for Outpatients With COVID-19

NCT04545008
View directory record Official record
Conditions
Covid19
Interventions
Famotidine, N-Acetyl cysteine
Drug
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Easley, South Carolina • Greenville, South Carolina • Greer, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 18, 2022 · Synced Oct 30, 2026, 9:25 AM EDT
Recruiting No phase listed Observational

Multidimensional Phenotype Classification in Grade 3 Bronchopulmonary Dysplasia

NCT06475976
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
Chest computed tomography (CT) with angiography, Bronchoscopy with bronchoalveolar lavage, Echocardiography, 24 hour esophageal pH ("potential of hydrogen") - multichannel intraluminal impedance (MII) monitoring (reflux testing)
Diagnostic Test
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Month to 1 Year
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sanaria™ PfSPZ Challenge Vaccine

NCT01546389
View directory record Official record
Conditions
Malaria
Interventions
Sanaria™ PfSPZ Vaccine, Chloroquine
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2013 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Safety and Immunogenicity Study of Heterologous and Homologous Prime-Boost Ebola Vaccine Regimens in Healthy Participants

NCT02325050
View directory record Official record
Conditions
Healthy
Interventions
MVA-BN-Filo, Ad26. ZEBOV, Placebo
Biological · Other
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years to 50 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 2 Interventional

Probiotics for Clostridium Difficile Infection in Older Adults

NCT01680874
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Not applicable Interventional Results available

Safety and Effectiveness of Short-Term Anti-HIV Drug Therapy for Recent HIV-1 Infection

NCT00414518
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir disoproxil fumarate/Emtricitabine, Lopinavir/Ritonavir
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Denver, Colorado • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 20, 2013 · Synced Oct 30, 2026, 9:25 AM EDT
Completed Phase 4 Interventional Results available

Skin Structure Infections With Suspected or Proven Methicillin-Resistant Staphylococcus Aureus (MRSA)

NCT00087490
View directory record Official record
Conditions
Skin/Soft Tissue Infections, Methicillin Resistant Staphylococcus Aureus (MRSA)
Interventions
linezolid, vancomycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,077 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
76
States / cities
Montgomery, Alabama • Tucson, Arizona • Los Angeles, California + 53 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2012 · Synced Oct 30, 2026, 9:25 AM EDT
Terminated No phase listed Observational

Understanding Immunology and Patient Outcomes of COVID-19 in Hospitalized Patients

NCT04892797
View directory record Official record
Conditions
Covid19
Interventions
Covid-19+ observational
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Oct 30, 2026, 9:25 AM EDT