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Showing 1–24 of 288 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional

A Study to Compare Different Drugs Used to Prevent Serious Bacterial Infections in HIV-Positive Children

NCT00000811
View directory record Official record
Conditions
Bacterial Infections, Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Azithromycin, Atovaquone, Sulfamethoxazole-Trimethoprim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Months to 18 Months
Enrollment
690 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
72
States / cities
Birmingham, Alabama • Mobile, Alabama • La Jolla, California + 46 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Not applicable Interventional Results available

Teen Video Study to Reduce Risky Driving and Sexual Behavior in Adolescents

NCT02049710
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Infections, Automobile Accidents
Interventions
Seventeen Days, Driving Skills for Life
Behavioral
Lead sponsor
Carnegie Mellon University
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
1,317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
3
States / cities
Columbus, Ohio • Pittsburgh, Pennsylvania • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Feb 13, 2022 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a Modified Vaccinia Ankara (MVA) HIV Vaccine in HIV Uninfected Adults

NCT00376090
View directory record Official record
Conditions
HIV Infections
Interventions
MVA-CMDR, Placebo
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 40 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 15, 2017 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 3 Interventional

A Randomized Study of Daily and Intermittent Prophylactic Regimens for the Prevention of Disseminated Mycobacterium Avium Complex (MAC) and Fungal Infections in HIV-Infected Patients

NCT00002122
View directory record Official record
Conditions
Mycoses, Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Azithromycin, Rifabutin, Fluconazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
720 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
12
States / cities
Los Angeles, California • Orange, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 24, 2026, 2:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Acceptability Study of Vaginal Films for HIV Prevention

NCT01231763
View directory record Official record
Conditions
HIV Infections, Anti-Infective Agents
Interventions
No intervention (not applicable)
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 8, 2011 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Research in Ethno-Medicine and Education (REMED)

NCT05907187
View directory record Official record
Conditions
Cervical Cancer, Human Papilloma Virus, HPV, Human Papillomavirus Infection
Interventions
Cervical Cancer Prevention Education
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Sep 24, 2026, 2:20 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

TelePrEP for At-risk Youth in Colorado

NCT05520905
View directory record Official record
Conditions
Hiv
Interventions
TelePrEP
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 24 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Love Infection: A Dramatized Story Intervention (Telenovela/Soap Opera) for HIV Prevention

NCT05358366
View directory record Official record
Conditions
HIV Infections
Interventions
Infeccion de Amor (Love Infection)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Botswana TDF/FTC Oral HIV Prophylaxis Trial

NCT00448669
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir Disoproxil Fumarate 300 mg + Emtricitabine 200 mg, Placebo Oral Tablet
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 39 Years
Enrollment
1,219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 2 Interventional

Selective Exposure in HIV Prevention

NCT01152281
View directory record Official record
Conditions
HIV Infections
Interventions
Maximal Control, Instrumental and Empowering, Minimal Control, Instrumental, Empowering
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 35 Years
Enrollment
722 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Not applicable Interventional

Rifabutin Therapy for the Prevention of Mycobacterium Avium Complex (MAC) Bacteremia in AIDS Patients With CD4 Counts = or < 200: A Double-Blind, Placebo-Controlled Trial

NCT00002032
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Rifabutin
Drug
Lead sponsor
Pharmacia
Industry
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
33
States / cities
Irvine, California • Sylmar, California • Denver, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 1 Interventional

Comparison of Two Dosage Regimens of Oral Dapsone for Prophylaxis of Pneumocystis Carinii Pneumonia in Pediatric HIV Infection

NCT00000739
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Dapsone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Month to 12 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
43
States / cities
Long Beach, California • Los Angeles, California • Oakland, California + 29 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 24, 2026, 2:20 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sexual Health Advocacy for Guys - a Text Messaging-based HIV Prevention Program for Guys Who Are Into Guys

NCT06230367
View directory record Official record
Conditions
HIV Infections
Interventions
Sexual health advocacy for guys, Healthy lifestyle control
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
13 Years to 22 Years · Male only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 2 Interventional

A Randomized, Controlled, Multicenter Trial of Filgrastim (Recombinant-Methionyl Human Granulocyte Colony Stimulating Factor; G-CSF) for the Prevention of Grade 4 Neutropenia in Patients With HIV Infection.

NCT00002126
View directory record Official record
Conditions
HIV Infections, Cytopenias
Interventions
Filgrastim
Drug
Lead sponsor
Amgen
Industry
Eligibility
13 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
16
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Evaluating the Safety and Tolerability of Antiretroviral Drug Regimens Used as Pre-Exposure Prophylaxis to Prevent HIV Infection in At-Risk Men Who Have Sex With Men and in At-Risk Women

NCT01505114
View directory record Official record
Conditions
HIV Infection
Interventions
Maraviroc, Emtricitabine, Tenofovir disoproxil fumarate, Maraviroc placebo, Emtricitabine placebo, Tenofovir disoproxil fumarate placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
594 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 3 Interventional

A Study of Nevirapine to Prevent HIV Transmission From Mothers to Their Infants

NCT00001135
View directory record Official record
Conditions
HIV Infections, Pregnancy
Interventions
Nevirapine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
2,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
19
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 24, 2026, 2:20 AM EDT
Completed No phase listed Observational

A Study to Evaluate the Impact of Stopping Treatment for the Prevention of Pneumonia in HIV-Positive Patients Receiving Anti-HIV Drugs Who Have Increased CD4 Cell Counts

NCT00000908
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
53
States / cities
Birmingham, Alabama • Harbor City, California • Los Angeles, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Partner Services Pre-exposure Prophylaxis (PS-PrEP)

NCT02749955
View directory record Official record
Conditions
HIV Transmission, Transtheoretical Model of Change
Interventions
PS-PrEP Intervention Group, PrEPLine Control Group
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Retrovir in the Prevention of HIV Infection in Health Care Workers Accidentally Exposed to the Virus

NCT00002287
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
13 Years and older
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study of Chlorhexidine in the Prevention of HIV-1 Transmission From Mothers to Their Babies

NCT00006075
View directory record Official record
Conditions
HIV Infections
Interventions
Chlorhexidine gluconate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2007
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 29, 2008 · Synced Sep 24, 2026, 2:20 AM EDT
Active, not recruiting Not applicable Interventional

A Simple Intervention to Increase Persistence on PrEP in MSM to Improve Decision Making

NCT06476847
View directory record Official record
Conditions
HIV Infections
Interventions
PrEP persistence
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older · Male only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Sep 24, 2026, 2:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Implementation and Delivery of Cabotegravir Long Acting Injection for PrEP in a Community Pharmacy Setting.

NCT05867212
View directory record Official record
Conditions
HIV Infections
Interventions
Cabotegravir Injection [Apretude]
Drug
Lead sponsor
Kelley-Ross & Associates, Inc.
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Phase 4 Interventional

Gradual Initiation of Sulfamethoxazole/Trimethoprim as Primary Pneumocystis Carinii Pneumonia Prophylaxis

NCT00000816
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Sulfamethoxazole-Trimethoprim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
40
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 24, 2026, 2:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Feasibility and Preliminary Impact of a mHealth App on Reducing STI Risk in Black MSM PrEP Users

NCT05395754
View directory record Official record
Conditions
STI, Sexually Transmitted Diseases, Pre-exposure Prophylaxis
Interventions
App Intervention
Device
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Sep 24, 2026, 2:20 AM EDT