Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:43 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Conditions
Chronic Hepatitis C Virus
Interventions
VX-222, telaprevir, ribavirin, peginterferon-alfa-2a
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
28
States / cities
Birmingham, Alabama • San Diego, California • Englewood, Colorado + 25 more
Conditions
Chronic Hepatitis C Virus Infection
Interventions
telaprevir, VX-222, ribavirin, peginterferon-alfa-2a
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
19
States / cities
La Jolla, California • San Francisco, California • Aurora, Colorado + 16 more
Conditions
Hepatitis C
Interventions
VCH-222 or matching placebo, peginterferon alfa-2a, ribavirin
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
4
States / cities
Marietta, Georgia • Detroit, Michigan • Dallas, Texas + 1 more
Conditions
Chronic Hepatitis C Virus
Interventions
VX-222, telaprevir, ribavirin
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
18
States / cities
Birmingham, Alabama • Anaheim, California • Riverside, California + 15 more