Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 5, 2026, 9:28 AM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
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Conditions
HIV Infections
Interventions
MK-2048A IVR (Low Dose), MK-2048A IVR (Original Dose)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
San Francisco, California
Conditions
HIV Infections
Interventions
Vicriviroc (MK-4176) Intravaginal Ring (IVR), MK-2048 IVR, MK-2048A IVR, Placebo IVR
Device
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania