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Oral Islatravir (MK-8591) Once-Monthly as Preexposure Prophylaxis (PrEP) in Men and Transgender Women Who Are at High Risk for HIV-1 Infection (MK-8591-024)
Sponsor: Merck Sharp & Dohme LLC
Summary
The main purpose of the study is to evaluate the safety and tolerability of oral Islatravir (ISL) once monthly (QM) as Preexposure Prophylaxis (PrEP) in cisgender men who have sex with men (MSM) and transgender women (TGW) who have sex with men and who are at high risk of HIV-1 infection with 48 or 96 weeks of treatment and a minimum follow-up of 42 days.
Official title: A Phase 3, Randomized, Active-Controlled, Double-Blind Clinical Study to Evaluate the Efficacy and Safety of Oral Islatravir Once-Monthly as Preexposure Prophylaxis in Cisgender Men and Transgender Women Who Have Sex With Men, and Are at High Risk for HIV-1 Infection
Key Details
Gender
MALE
Age Range
16 Years - Any
Study Type
INTERVENTIONAL
Enrollment
494
Start Date
2021-03-15
Completion Date
2023-08-04
Last Updated
2026-05-05
Healthy Volunteers
Yes
Conditions
Interventions
ISL
ISL 60 mg tablet, QM, orally for up to 24 months
FTC/TDF
Participants receive 200/245 mg of FTC/TDF combination tablet, QD, orally for up to 24 months
FTC/TAF
Participants receive 200/25 mg of FTC/TAF combination tablet, QD, orally for up to 24 months
Placebo to ISL
Placebo ISL 0 mg tablets QM, orally for up to 24 months.
Placebo to FTC/TDF
Placebo FTC/TDF 0 mg tablets QD, orally for up to 24 months
Placebo to FTC/TAF
Placebo FTC/TAF 0 mg tablets QD, orally for up to 24 months
Locations (25)
University of Alabama at Birmingham-UAB 1917 Research Clinic ( Site 0007)
Birmingham, Alabama, United States
UCLA Center for Clinical AIDS Research and Education ( Site 0011)
Los Angeles, California, United States
Global Research Institute ( Site 0031)
Los Angeles, California, United States
Bridge HIV - San Francisco Department of Public Health ( Site 0003)
San Francisco, California, United States
The GW Medical Faculty Associates-Medicine ( Site 0033)
Washington D.C., District of Columbia, United States
Midway Immunology and Research Center ( Site 0014)
Ft. Pierce, Florida, United States
University of Miami Miller School of Medicine-Infectious Disease ( Site 0029)
Miami, Florida, United States
Orlando Immunology Center ( Site 0010)
Orlando, Florida, United States
Ponce De Leon Center Grady Health ( Site 0032)
Atlanta, Georgia, United States
Howard Brown Health Center ( Site 0004)
Chicago, Illinois, United States
The University of Mississippi Medical Center ( Site 0012)
Jackson, Mississippi, United States
Rutgers New Jersey Medical School-Clinical Research Center ( Site 0017)
Newark, New Jersey, United States
The University of North Carolina at Chapel Hill ( Site 0019)
Chapel Hill, North Carolina, United States
Central Texas Clinical Research ( Site 0002)
Austin, Texas, United States
The Crofoot Research Center ( Site 0025)
Houston, Texas, United States
Centro de Referência e Treinamento DST/AIDS ( Site 0351)
São Paulo, Brazil
Hôpital Saint-Louis-Infectious Diseases and tropical diseases ( Site 0151)
Paris, Île-de-France Region, France
Center Hospital of the National Center for Global Health and Medicine ( Site 0101)
Shinjyuku-ku, Tokyo, Japan
Via Libre ( Site 0404)
Lima, Peru
Perinatal HIV Research Unit (PHRU)-HIV Prevention CRS ( Site 0203)
Johannesburg, Gauteng, South Africa
Wits Reproductive Health and HIV Institute (WRHI)-Research Center ( Site 0201)
Johannesburg, Gauteng, South Africa
Desmond Tutu HIV Foundation ( Site 0202)
Cape Town, Western Cape, South Africa
Chulalongkorn University-Pediatrics ( Site 0051)
Bangkok, Bangkok, Thailand
HIV Netherlands Australia Thailand Research Collaboration ( Site 0056)
Bangkok, Bangkok, Thailand
Research Institute for Health Sciences-Research Institute for Health Sciences Building 1 ( Site 0052
Chiang Mai, Thailand