760
Participants
Start Date
May 15, 2025
Primary Completion Date
June 30, 2027
Study Completion Date
June 30, 2028
Doxycycline hyclate delayed released 200 mg
200 mg of doxycycline taken by mouth as soon as possible and within 72 hours after any condomless oral, vaginal, and/or anal sex.
Doxycycline hyclate delayed released 200 mg weekly
200 mg of doxycycline taken by mouth weekly regardless of sexual activity
Callen-Lorde Community Health Center, New York
Harlem Prevention Center, New York
Penn Prevention, Philadelphia
Children's National Medical Center, Washington D.C.
Chapel Hill, Chapel Hill
Ponce de Leon, Atlanta
St. Jude Children's Research Hospital, Memphis
University Illinois Chicago, Chicago
Tulane University, New Orleans
Baylor College of Medicine, Houston
UCLA Care, Los Angeles
Lead Sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
National Institute of Allergy and Infectious Diseases (NIAID)/Division of AIDS (DAIDS)
UNKNOWN
National Institute on Drug Abuse (NIDA)
NIH
National Institute of Mental Health (NIMH)
NIH
National Institutes of Health (NIH)
NIH
Florida State University
OTHER
Westat
OTHER