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ClinicalTrials.gov public records Last synced Oct 8, 2026, 10:13 AM EDT

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Showing 1–17 of 17 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: standard dose pegylated interferon alfa -2a and ribavirin Clear all
Completed Phase 2 Interventional Results available

Peginterferon Alpha-2a and Ribavirin to Treat Hepatitis C in HIV-infected Patients

NCT00085917
View directory record Official record
Conditions
Hepatitis C, HIV Infections
Interventions
Double dose pegylated interferon with weight based Ribavirin, standard dose pegylated interferon alfa -2a and ribavirin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 27, 2011 · Synced Oct 8, 2026, 10:13 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Treat Subjects With Telaprevir, Ribavirin, and Peginterferon Who Are Coinfected With HIV and Hepatitis C Virus (HCV)

NCT01467479
View directory record Official record
Conditions
Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated Interferon Alfa-2a, Highly Active Antiretroviral Therapy (HAART)
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
46
States / cities
Birmingham, Alabama • Bakersfield, California • Beverly Hills, California + 42 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

A Study of Danoprevir/Ritonavir and Copegus With RO5024048 and/or Pegasys in Patients With Chronic Hepatitis C

NCT01331850
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Copegus, Pegasys, RO5024048, danoprevir, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
19
States / cities
La Jolla, California • Long Beach, California • Sacramento, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 4 Interventional Results available

Low-Dose Peginterferon and Ribavirin to Treat Chronic Hepatitis C in Patients Infected With HCV Genotype 2 or 3

NCT00056862
View directory record Official record
Conditions
Hepatitis C
Interventions
Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 6, 2013 · Synced Oct 8, 2026, 10:13 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 17, 2014 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

A Dose Ranging Study Of PF-00868554 In Combination With PEGASYS And COPEGUS In Patients With Chronic Hepatitis C Genotype 1 Infection

NCT00720434
View directory record Official record
Conditions
Hepatitis C
Interventions
PF-00868554, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
9
States / cities
La Jolla, California • San Francisco, California • Orlando, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2013 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

Long Term Interferon for Patients Who Did Not Clear Hepatitis C Virus With Standard Treatment

NCT00006164
View directory record Official record
Conditions
Chronic Hepatitis c, Cirrhosis, Liver, Fibrosis, Liver, Hepatic Cirrhosis
Interventions
Peginterferon alfa-2a + Ribavirin, Peginterferon alfa-2a
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
1,050 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
11
States / cities
Long Beach, California • Los Angeles, California • Denver, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Study of CTS-1027 in Combination With Pegylated Interferon and Ribavirin in Hepatitis C Virus (HCV) Null-Responders

NCT01051921
View directory record Official record
Conditions
Hepatitis C
Interventions
CTS-1027, Pegylated interferon, Ribavirin
Drug
Lead sponsor
Conatus Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
14
States / cities
La Jolla, California • San Diego, California • Denver, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2012 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

Study to Determine the Effectiveness of Antiviral Combination Therapy to Treat Hepatitis C Virus (HCV) Infected Patients Who Have Previously Failed Standard of Care

NCT01012895
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
BMS-790052, BMS-650032, Pegylated-interferon alfa-2a, Ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
10
States / cities
Anaheim, California • Coronado, California • San Jose, California + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2015 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Not applicable Interventional

Directly Observed Hepatitis C Treatment in Methadone Clinics

NCT01442311
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
enhanced DOT (both pegylated interferon alfa-2a and ribavirin), standard DOT (PEG-DOT control arm)
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 8, 2026, 10:13 AM EDT
Terminated Phase 2 Interventional Results available

An Open Label Study of the Effect of Telaprevir in Combination With Ribavirin and Peginterferon on HCV Infection in Stable Liver Transplant Patients

NCT01467505
View directory record Official record
Conditions
Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated Interferon Alfa-2a, Immunosuppressant Regimen
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
20
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2015 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

A Study of RO5190591 (Danoprevir) in Combination With Pegasys and Copegus in Treatment-Naive Patients With Chronic Hepatitis C Genotype 1 Virus Infection

NCT00963885
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Copegus, Pegasys, Placebo, RO5190591 (Danoprevir)
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
24
States / cities
Phoenix, Arizona • Long Beach, California • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 8, 2026, 10:13 AM EDT
Terminated Phase 3 Interventional Results available

Telaprevir Plus Standard of Care (SOC) in HCV Associated Hepatocellular Carcinoma (HCC)

NCT01821963
View directory record Official record
Conditions
Infection
Interventions
Pegylated Interferon Alfa 2a, Ribavirin, Telaprevir
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 69 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Oct 8, 2026, 10:13 AM 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 8, 2026, 10:13 AM EDT
Terminated Phase 2 Interventional Results available

Standard of Care (SOC) With or Without CTS-1027 in Hepatitis C (HCV) Null-Responders

NCT01273064
View directory record Official record
Conditions
Hepatitis C
Interventions
CTS-1027, pegylated interferon, Ribavirin, Placebo
Drug
Lead sponsor
Conatus Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
45
States / cities
Birmingham, Alabama • Coronado, California • La Jolla, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2012 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Effectiveness Study of Telaprevir in Chronic, Genotype 1, Hepatitis C Patients That Failed Previous Standard Treatment

NCT00703118
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Telaprevir, Peg-IFN-alfa-2a, Ribavirin, Placebo
Drug
Lead sponsor
Tibotec BVBA
Industry
Eligibility
18 Years to 70 Years
Enrollment
663 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
31
States / cities
Birmingham, Alabama • Coronado, California • La Jolla, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2014 · Synced Oct 8, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

A Study of Debio 025 in Combination With PegIFN Alpha-2a and Ribavirin in Chronic HCV Patients Non-responders to Standard Treatment

NCT00537407
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Debio 025, Peg-IFNα2a, Ribavirin
Drug
Lead sponsor
Debiopharm International SA
Industry
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
7
States / cities
La Jolla, California • Gainesville, Florida • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 8, 2026, 10:13 AM EDT