Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 10:23 PM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
Conditions
HIV Infections
Interventions
SCH-D (vicriviroc), Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
30
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 20 more
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
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
San Diego, California • Washington D.C., District of Columbia • Chicago, Illinois + 3 more
Conditions
Colorectal Neoplasms
Interventions
Vicriviroc, Pembrolizumab
Drug · Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
6
States / cities
Scottsdale, Arizona • Encinitas, California • Fresno, California + 3 more
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