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Showing 1–24 of 64 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional

Safety, Tolerability, and Antiviral Activity of ANA598 Administered in Combination With Pegylated Interferon and Ribavirin for the Treatment of Genotype-1 Chronic HCV Infection

NCT00978497
View directory record Official record
Conditions
HCV Infection
Interventions
placebo, ANA598, Peginterferon, Ribavirin
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
20
States / cities
Anaheim, California • Los Angeles, California • San Clemente, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional

A Study of Mericitabine in Combination With Telaprevir and Peginterferon Alfa-2a / Ribavirin in Participants With Chronic Hepatitis C

NCT01482390
View directory record Official record
Conditions
Hepatitis C
Interventions
Ribavirin, Mericitabine, Peginterferon Alfa-2a, Placebo, Telaprevir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
15
States / cities
Birmingham, Alabama • Long Beach, California • Sacramento, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2017 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 3 Interventional Results available

TMC435HPC3001 - An Efficacy, Safety and Tolerability Study for TMC435 vs Telaprevir in Combination With PegINFα-2a and Ribavirin in Chronic Hepatitis C Patients Who Were Null or Partial Responders to Prior PegINFα-2a and Ribavirin Therapy

NCT01485991
View directory record Official record
Conditions
Hepatitis C
Interventions
TMC435, TVR
Drug
Lead sponsor
Janssen R&D Ireland
Industry
Eligibility
18 Years to 70 Years
Enrollment
771 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
32
States / cities
Bakersfield, California • San Diego, California • Aurora, Colorado + 29 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2016 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional

A Study of Response-Guided Duration of Combination Therapy With GS-9451, Pegasys® and Copegus® With and Without Tegobuvir (GS-9190) in Previously Untreated Subjects With Genotype 1 Chronic Hepatitis C

NCT01271790
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Tegobuvir (GS-9190), GS-9451, Pegasys®, Copegus®, Tegobuvir placebo, GS-9451 placebo
Drug · Biological
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
85
States / cities
Dothan, Alabama • Montgomery, Alabama • Phoenix, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2014 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Study of SCY-635, Pegasys and Copegus in Hepatitis C

NCT01265511
View directory record Official record
Conditions
Hepatitis C Infection
Interventions
Placebo, SCY-635, Pegasys, Copegus
Drug
Lead sponsor
Scynexis, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
San Francisco, California • Durham, North Carolina • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional

A Study of Response-Guided Duration of Combination Therapy With GS-9190, GS-9256, Pegasys® and Copegus® in Previously Untreated Subjects With Genotype 1 Chronic Hepatitis C

NCT01225380
View directory record Official record
Conditions
Chronic Hepatitis C Infection
Interventions
GS-9190, GS-9256, Pegasys®, Copegus®, GS-9190 placebo, GS-9256 placebo
Drug · Biological
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
36
States / cities
Phoenix, Arizona • Anaheim, California • La Jolla, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2014 · Synced Sep 21, 2026, 6:48 AM 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 11, 2015 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional

GS-5885, GS-9451, Tegobuvir and Ribovirin in Treatment-Experienced Subjects With Chronic Genotype 1a Or 1b Hepatitis C Virus (HCV) Infection

NCT01435226
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
GS-5885, GS-9451, tegobuvir, placebo to match tegobuvir, placebo to match RBV, Ribavirin
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
37
States / cities
Tucson, Arizona • Anaheim, California • Beverly Hills, California + 30 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2013 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 1Phase 2 Interventional

Safety Study of INX-08189, Pharmacokinetic and Pharmacodynamic With Ribavirin and Food Effect Study, in Chronically-infected Genotype 1 Hepatitis C Virus, Treatment-naïve Subjects

NCT01445795
View directory record Official record
Conditions
Hepatitis C
Interventions
200 mg INX-08189 Fasted, Placebo QD Fasted, 100 mg INX-08189 QD, Placebo QD, 100 mg INX-08189 with low-fat meal, Placebo with low-fat meal, 100 mg INX-08189 BID Fasted, Placebo BID Fasted, ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2016 · Synced Sep 21, 2026, 6:48 AM EDT
Terminated Phase 2 Interventional

Romiplostim in Treating Hepatitis C-Infected Patients With Thrombocytopenia

NCT01153919
View directory record Official record
Conditions
Hepatitis C Infection, Thrombocytopenia
Interventions
romiplostim, ribavirin, placebo, PEG-interferon alfa-2a, laboratory biomarker analysis
Biological · Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Sep 21, 2026, 6:48 AM 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 22, 2014 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Study of Nitazoxanide, Peginterferon Alfa-2a and Ribavirin in Treatment-Naive Hepatitis C Patients

NCT00637923
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
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
10
States / cities
Palo Alto, California • New Haven, Connecticut • Bay Pines, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2014 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Study of ABT-267 in Treatment Naive Hepatitis C Virus (HCV) Genotype 1 Infected Subjects

NCT01314261
View directory record Official record
Conditions
Chronic Hepatitis C, Hepatitis C Virus (HCV) Infection
Interventions
ABT-267, Pegylated interferon (pegIFN), Ribavirin (RBV), Placebo for ABT-267
Drug · Other
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Orlando, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2018 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Dose-Ranging Study of Sofosbuvir in Combination With Pegylated Interferon and Ribavirin in Treatment Naïve GT 1 HCV Patients

NCT01054729
View directory record Official record
Conditions
Hepatitis C
Interventions
Sofosbuvir, Placebo, PEG, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
6
States / cities
San Francisco, California • Gainesville, Florida • Orlando, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2014 · Synced Sep 21, 2026, 6:48 AM 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 12, 2014 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 3 Interventional Results available

PEDS-C: Pegylated Interferon +/- Ribavirin for Children With Hepatitis C

NCT00100659
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Pegylated Interferon/ribavirin
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
5 Years to 18 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
11
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 3 Interventional

A Study of TMC435 in Combination With Peginterferon Alfa-2A and Ribavirin for Hepatitis C Virus Genotype-1 Infected Patients Who Participated in a Control Group of a TMC435 Study

NCT01323244
View directory record Official record
Conditions
Hepatitis C
Interventions
TMC435
Drug
Lead sponsor
Janssen R&D Ireland
Industry
Eligibility
18 Years to 99 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
15
States / cities
Bakersfield, California • Los Angeles, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Not applicable Interventional

A Collaborative Double-Blind Placebo-Controlled Trial of Intravenous Ribavirin As a Treatment for Presumed Hantavirus Pulmonary Syndrome

NCT00001123
View directory record Official record
Conditions
Hantavirus Pulmonary Syndrome
Interventions
Ribavirin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 3 Interventional Results available

Sofosbuvir + Ribavirin for 12 or 16 Weeks in Treatment Experienced Subjects With Chronic Genotype 2 or 3 HCV Infection (FUSION)

NCT01604850
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
SOF, RBV, Placebo to match SOF, Placebo to match RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
51
States / cities
Coronado, California • Los Angeles, California • San Diego, California + 41 more
Source: ClinicalTrials.gov public record
Updated May 27, 2014 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 3 Interventional Results available

Phase 3 Study of BI 207127 in Combination With Faldaprevir and Ribavirin for Treatment of Patients With Hepatitis C Infection, Including Patients Who Are Not Eligible to Receive Peginterferon: HCVerso2

NCT01728324
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
BI 207127-placebo: 8-week treatment, Ribavirin: 24-week treatment, BI 207127: 24-week treatment, Faldaprevir: 24-week treatment, Ribavirin-placebo: 8-week treatment, Faldaprevir-placebo: 8-week treatment, Faldaprevir: 16-week treatment, Ribavirin: 16-week treatment, RBV: 24-week treatment, BI 207127: 16-week treatment
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 75 Years
Enrollment
496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
31
States / cities
North Little Rock, Arkansas • Anaheim, California • Bakersfield, California + 28 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2016 · Synced Sep 21, 2026, 6:48 AM EDT
Terminated Phase 2 Interventional Results available

A Triple Combination Antiviral Coronavirus Therapy (TriACT) for COVID-19

NCT04605588
View directory record Official record
Conditions
SARS-CoV Infection, Covid19
Interventions
Nitazoxanide, Placebo Nitazoxanide, Ribavirin, Placebo Ribavirin, Hydroxychloroquine, Placebo Hydroxychloroquine
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 21, 2026, 6:48 AM EDT
Terminated Phase 4 Interventional

Assessing the Efficacy and Safety of Rosiglitazone Added to Standard Therapy for Hepatitis C Genotype 1 With Fatty Liver

NCT00274495
View directory record Official record
Conditions
Chronic Hepatitis C Infection, Fatty Liver
Interventions
Rosiglitazone and Pegasys/Ribavirin
Drug
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2007 · Synced Sep 21, 2026, 6:48 AM EDT
Completed Phase 2 Interventional

GS-5885 Alone or in Combination With GS-9451 With Peginterferon Alfa 2a and Ribavirin in Treatment Chronic Genotype 1 Hepatitis C Virus

NCT01356160
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
GS-5885, GS-9451, peginterferon alfa-2a, ribavirin tablet, GS-9451 Placebo
Drug · Biological
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
21
States / cities
Tucson, Arizona • Beverly Hills, California • Coronado, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2014 · Synced Sep 21, 2026, 6:48 AM 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 4, 2014 · Synced Sep 21, 2026, 6:48 AM EDT