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ClinicalTrials.gov public records Last synced Oct 4, 2026, 6:19 PM EDT

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Showing 25–48 of 58 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pre-treatment Ribavirin Clear all
Completed Phase 2 Interventional Results available

Pioglitazone Before Peginterferon and Ribavirin for Hepatitis C Infection in HIV/HCV-Coinfected Patients With Insulin Resistance

NCT00665353
View directory record Official record
Conditions
HIV-1 and Hepatitis C Co-Infection
Interventions
pioglitazone, peginterferon, ribavirin
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
8
States / cities
San Francisco, California • Chicago, Illinois • Newark, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 2 Interventional Results available

A Rollover Study for Subjects Participating in the Control Arm of Study VX06-950-106, VX05-950-104 and VX05-950-104EU Whose Plasma Hepatitis C Virus (HCV) Ribonucleic Acid (RNA) Levels Did Not Respond to Therapy

NCT00535847
View directory record Official record
Conditions
Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated interferon alfa 2a
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 4 Interventional Results available

Administration of Zepatier (Grazoprevir Plus Elbasvir) in Chronic Hemodialysis (HD) Patients With Hepatitis C

NCT03365635
View directory record Official record
Conditions
Hepatitis C, Hemodialysis, Nosocomial Infection
Interventions
Elbasvir 50 MG / Grazoprevir 100 MG [Zepatier]
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 4 Interventional Results available

Monitoring SOF/VEL in Treatment Naïve, HCV Participants With Active Infection

NCT03512210
View directory record Official record
Conditions
Hepatitis C, HIV-1-infection, Liver Diseases
Interventions
Sofosbuvir/Velpatasvir (SOF/VEL), Minimal Monitoring (MINMON) Strategy
Drug · Other
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
30
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 22 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2022 · Synced Oct 4, 2026, 6:19 PM EDT
Not listed Phase 4 Interventional

A Pilot Study to Treat Patients With Chronic Hepatitis C Virus (HCV) Genotype 1 and End-Stage Renal Disease (ESRD)

NCT01731301
View directory record Official record
Conditions
Chronic Hepatitis C, End Stage Renal Disease
Interventions
Ribavirin, Peginterferon, Boceprevir
Drug
Lead sponsor
Liver Institute of Virginia
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 22, 2012 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 2 Interventional Results available

Phase 2 Study of VX-950, Pegasys®, and Copegus® in Hepatitis C

NCT00336479
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated Interferon Alfa 2a, Placebo
Drug · Other
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
36
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 3 Interventional Results available

A Study of Combination Therapy With PEGASYS (Pegylated Interferon Alfa-2a (40KD)) and Copegus (Ribavirin) in Patients With Chronic Hepatitis C Genotype 2 or 3 Who Do Not Achieve a Rapid Viral Response

NCT00623428
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
38
States / cities
Birmingham, Alabama • La Jolla, California • Lancaster, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2013 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 2 Interventional Results available

Study of Nitazoxanide, Peginterferon Alfa-2a and Ribavirin for the Treatment of Hepatitis C

NCT00495391
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Nitazoxanide, Placebo, Peginterferon alfa-2a, Ribavirin
Drug · Biological
Lead sponsor
Romark Laboratories L.C.
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
10
States / cities
Palo Alto, California • Stanford, California • New Haven, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 2 Interventional Results available

A Study of TMC435 in Combination With PSI-7977 (GS7977) in Chronic Hepatitis C Genotype 1-Infected Prior Null Responders To Peginterferon/Ribavirin Therapy or HCV Treatment-Naive Patients

NCT01466790
View directory record Official record
Conditions
Hepatitis C
Interventions
TMC435, PSI-7977 (GS7977), Ribavirin
Drug
Lead sponsor
Janssen R&D Ireland
Industry
Eligibility
18 Years to 70 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
22
States / cities
Hoover, Alabama • Bakersfield, California • La Jolla, California + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2015 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 3 Interventional Results available

Open-Label Study of Sofusbuvir+Ribavirin With or Without Peginterferon Alfa-2a in Subjects With Chronic HCV Infection Who Participated in Prior Gilead HCV Studies

NCT01625338
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
SOF, RBV, Peg-IFN
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
534 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
67
States / cities
Birmingham, Alabama • Bakersfield, California • Colton, California + 53 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2015 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 3 Interventional Results available

Phase 3 Efficacy and Safety Study of Peginterferon Lambda-1a and Ribavirin With Telaprevir

NCT01598090
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
Peginterferon Lambda-1a, Peginterferon Alfa-2a, Ribavirin, Telaprevir
Biological · Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
Not listed
Enrollment
881 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
28
States / cities
Birmingham, Alabama • Anaheim, California • Garden Grove, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Oct 4, 2026, 6:19 PM EDT
Terminated Phase 2 Interventional Results available

12 Weeks of Ledipasvir (LDV)/Sofosbuvir (SOF) With Weight-based Ribavirin vs. 24 Weeks of LDV/SOF

NCT02605304
View directory record Official record
Conditions
HIV-1 Infection, Hepatitis C
Interventions
Ledipasvir/sofosbuvir, Ribavirin
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
San Francisco, California • New York, New York
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 2 Interventional Results available

A Study of Telaprevir (VX-950), Pegasys and Copegus in Hepatitis C (PROVE3)

NCT00420784
View directory record Official record
Conditions
Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated Interferon Alfa 2a, Matching Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
41
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 4, 2026, 6:19 PM EDT
Terminated Early Phase 1 Interventional

Pilot Study of Betaine + Combination Antiviral Therapy for Chronic Hepatitis C Genotype 1 Non-responder/Relapsers

NCT00882193
View directory record Official record
Conditions
Chronic Hepatitis C, Genotype 1, Relapse
Interventions
Betaine, Peginterferon alpha 2a, Ribavirin
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 4, 2026, 6:19 PM EDT
Completed No phase listed Observational

Brain Deficits in HIV/HCV Coinfected People Before and After Anti-HCV Therapy

NCT00747539
View directory record Official record
Conditions
HIV, Hepatitis C, Infections
Interventions
Pegylated interferon alfa and ribavirin (PEG-IFN/RBV)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
4
States / cities
Lancaster, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 13, 2016 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 4 Interventional

Infergen, Ribavirin & Avandia in Previous Relapsers or Nonresponders to Pegylated Interferon and Ribavirin

NCT00207402
View directory record Official record
Conditions
Hepatitis C
Interventions
rosiglitazone
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2012 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study in Subjects With Chronic HCV and Underlying Hemophilia

NCT01741545
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
Pegylated-Interferon-lambda, Ribavirin, Daclatasvir
Biological · Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older · Male only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
4
States / cities
Palo Alto, California • Chicago, Illinois • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety Evaluation of a Regimen Consisting of Peginterferon Lambda-1a + Ribavirin + Daclatasvir (Lambda + RBV + DCV) in HCV Genotype 1b Treatment naïve Patients or Prior Relapsers to Peginterferon Alfa + Ribavirin (Alfa + RBV) Therapy

NCT01718158
View directory record Official record
Conditions
Hepatitis C
Interventions
Peginterferon Lambda-1a, Peginterferon Alfa-2a, Ribavirin, Daclatasvir, Telaprevir
Biological · Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
444 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
8
States / cities
Long Beach, California • Marietta, Georgia • New York, New York + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2015 · Synced Oct 4, 2026, 6:19 PM EDT
Terminated Phase 2 Interventional

A Safety and Efficacy Study of the Combination of VX-222 and Telaprevir in Treatment-Naïve Subjects With Genotype 1 Chronic Hepatitis C Virus Infection

NCT01080222
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 30, 2020 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 2 Interventional Results available

Study of the Anti-HCV Drug (BMS-790052) Combined With Peginterferon and Ribavirin in Patients Who Failed Prior Treatment

NCT01170962
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
BMS-790052, Placebo, peginterferon alfa-2a, ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Enrollment
512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
35
States / cities
Montgomery, Alabama • La Jolla, California • Los Angeles, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2015 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Safety and Tolerability Study of Nitazoxanide in HIV-HCV Treatment Failures

NCT01185028
View directory record Official record
Conditions
Hepatitis C Infection, HIV Infection
Interventions
Nitazoxanide With Pegylated Interferon And Ribavirin
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 99 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 3 Interventional Results available

An Efficacy, Safety, and Tolerability Study of TMC435 in Treatment-naive, Genotype 1 Hepatitis C-infected Participants

NCT01290679
View directory record Official record
Conditions
Hepatitis C
Interventions
Placebo, TMC435, Peginterferon alpha-2a or Peginterferon alpha-2b (PegIFNα-2a/b), Ribavirin (RBV)
Drug
Lead sponsor
Janssen R&D Ireland
Industry
Eligibility
18 Years and older
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
11
States / cities
Los Angeles, California • Jacksonville, Florida • Orlando, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2014 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 1 Interventional Results available

Drug Drug Interaction Study Between BI 201335 and BI 207127 in Chronic Hepatitis C Infected Patients

NCT01525628
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
midazolam, BI 201335, tenofovir, caffeine, tolbutamide, pegylated interferon, BI 207127, ribavirin
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 70 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
La Mesa, California • Rockville, Maryland • Marlton, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2016 · Synced Oct 4, 2026, 6:19 PM EDT
Completed Phase 2 Interventional Results available

Ledipasvir/Sofosbuvir Fixed-Dose Combination ± Ribavirin in Participants With Chronic Genotype 1 HCV Who Participated in a Prior Gilead-Sponsored HCV Treatment Study

NCT01987453
View directory record Official record
Conditions
HCV Infection
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
39
States / cities
Beverly Hills, California • La Jolla, California • Los Angeles, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 4, 2026, 6:19 PM EDT