Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 9, 2026, 5:00 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pegylated interferon alfa and ribavirin (PEG-IFN/RBV) Clear all
Completed Phase 2 Interventional

CPG10101 Combination Therapy For The Treatment Of Hepatitis C In Non-Responder (Null And Partial Responder) Hepatitis C Virus (HCV) Genotype 1 Infected Subjects

NCT00277238
View directory record Official record
Conditions
Hepatitis, Chronic Active
Interventions
CPG10101, Control
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
14
States / cities
Chicago, Illinois • Indianapolis, Indiana • New Orleans, Louisiana + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2017 · Synced Oct 9, 2026, 5:00 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 23, 2014 · Synced Oct 9, 2026, 5:00 AM EDT
Terminated Phase 1 Interventional

Safety Study of Low Dose Interleukin 2 (IL-2) Plus PEG-IFN/RBV In Chronic Hepatitis C Virus Genotype I

NCT00277758
View directory record Official record
Conditions
Hepatitis C
Interventions
Interleukin 2, Ribavirin, Pegylated Interferon Alpha, Inteleukin-2, Ribavirin + Pegylated interferon-alpha
Biological · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2008 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 2 Interventional

CIFN and IFN γ-1b With or Without Ribavirin for Treatment of Chronic Hepatitis C (Nonresponders)

NCT00084279
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Consensus Interferon-Alpha, Interferon Gamma-1b, Ribavirin
Drug
Lead sponsor
InterMune
Industry
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Brisbane, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2009 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of Telaprevir in Combination With Pegasys® and Copegus® in Treatment-Naive Subjects With Genotype 1 Hepatitis C Virus (HCV)

NCT00627926
View directory record Official record
Conditions
Hepatitis C
Interventions
Pegylated Interferon Alfa 2a, Telaprevir, Ribavirin, Placebo
Biological · Drug · Other
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
1,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
65
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 48 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2014 · Synced Oct 9, 2026, 5:00 AM 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 9, 2026, 5:00 AM EDT
Completed Phase 1Phase 2 Interventional

Study of Safety, Tolerability, and Anti-Viral Effect of Locteron Compared to PEG-Intron in Patients With Chronic Hepatitis C

NCT00593151
View directory record Official record
Conditions
Hepatitis C
Interventions
Locteron (controlled-release interferon alpha 2b), pegylated IFNa2b
Other · Biological
Lead sponsor
Biolex Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
5
States / cities
Detroit, Michigan • Dallas, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2012 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 4 Interventional Results available

Impact of Physician Directed Education on Patient Compliance With Hepatitis C Therapy

NCT01405027
View directory record Official record
Conditions
Chronic Hepatitis C, Genotype 1
Interventions
Educational Intervention, Patient education and management skills training
Procedure · Other
Lead sponsor
Chronic Liver Disease Foundation
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
43
States / cities
Beverly Hills, California • Calabasas, California • Santa Monica, California + 34 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2015 · Synced Oct 9, 2026, 5:00 AM EDT
Terminated Phase 2 Interventional

GS-5885, GS-9451 With Peginterferon Alfa 2a (PEG) and Ribavirin in Treatment-Naïve Subjects With Chronic Genotype 1 Hep C Virus Infection and IL28B CC Genotype

NCT01384383
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
GS-5885, GS-9451, RBV, PEG
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
26
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Oct 9, 2026, 5:00 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy of a 12-Week Regimen of Telaprevir, Pegylated Interferon, and Ribavirin in Treatment-Naive and Prior Relapser Subjects With Interleukin28B (IL28B) CC Genotype

NCT01459913
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Telaprevir, Pegylated Interferon Alfa-2a, Ribavirin
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
55
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 42 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2015 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Daclatasvir (BMS-790052) Plus Pegylated Interferon-Alfa 2a and Ribavirin in Patients Coinfected With Untreated Hepatitis C Virus and HIV Virus

NCT01471574
View directory record Official record
Conditions
Hepatitis C, Genotype 1
Interventions
Daclatasvir, Ribavirin, PEG-Interferon alfa 2a
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
23
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2016 · Synced Oct 9, 2026, 5:00 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 9, 2026, 5:00 AM 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 9, 2026, 5:00 AM EDT
Completed Phase 4 Interventional

Does Induction PEG-Intron in Combination With Rebetol Enhance the Sustained Response Rates in Patients With CHC

NCT00207363
View directory record Official record
Conditions
Hepatitis C
Interventions
Ribavirin, Peg interferon alfa 2b, induction therapy
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2012 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

Phase III BMS-790052 Add-On to Peg-Interferon Alfa-2a and Ribavirin in Naive Hepatitis C

NCT01448044
View directory record Official record
Conditions
Hepatitis C
Interventions
BMS-790052 (NS5A Replication Complex Inhibitor), Placebo matching BMS-790052, Pegylated-interferon alfa 2a, Ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
4
States / cities
San Clemente, California • Worcester, Massachusetts • Providence, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2015 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

Sofosbuvir With Peginterferon Alfa 2a and Ribavirin for 12 Weeks in Treatment-Naive Subjects With Chronic Genotype 1, 4, 5, or 6 HCV Infection

NCT01641640
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Sofosbuvir, RBV, PEG
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
55
States / cities
Birmingham, Alabama • Coronado, California • Los Angeles, California + 43 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 2 Interventional

Merimepodib (MMPD) in Triple Combination for the Treatment of Chronic Hepatitis C

NCT00088504
View directory record Official record
Conditions
Hepatitis C, Hepatitis
Interventions
Merimepodib, PEG-Interferon-alpha 2a (Pegasys®), Ribavirin (Copegus®)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
67
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 55 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2007 · Synced Oct 9, 2026, 5:00 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 9, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

Evaluating the Effectiveness of Boceprevir, Pegylated-Interferon Alfa 2b and Ribavirin in Treating Hepatitis C Virus (HCV) Infection in Adults With HIV and HCV Infection

NCT01482767
View directory record Official record
Conditions
HIV Infections, Hepatitis C
Interventions
Pegylated-Interferon Alfa 2b (PEG-IFN), Ribavirin (RBV), Boceprevir (BOC)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
42
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 30 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 9, 2026, 5:00 AM 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 9, 2026, 5:00 AM EDT
Completed Phase 2 Interventional

Phase 2B Dose Ranging Study of Locteron Plus Ribavirin to Treat HCV

NCT00863239
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
ribavirin, Locteron™ (controlled-release interferon alpha 2b), PEG-Intron™
Drug
Lead sponsor
Biolex Therapeutics, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
13
States / cities
Chula Vista, California • Oceanside, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Oct 9, 2026, 5:00 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 5, 2014 · Synced Oct 9, 2026, 5:00 AM EDT
Completed Phase 2 Interventional Results available

Nitazoxanide Plus Ribavirin and Peginterferon for Therapy of Treatment Naive HCV Genotype 1 and HIV Coinfected Subjects

NCT00991289
View directory record Official record
Conditions
HIV Infection, Hepatitis C Infection
Interventions
Nitazoxanide (NTZ), Pegylated interferon alfa-2a (PEG), Ribavirin (RBV)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
17
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 9, 2026, 5:00 AM EDT
Terminated Phase 4 Interventional Results available

Boceprevir Drug Combination for Hepatitis C Treatment in People With and Without HIV

NCT01443923
View directory record Official record
Conditions
Hepatitis, HIV/AIDS
Interventions
Boceprevir, Peg-Interferon-alfa 2B, Ribavirin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 13, 2015 · Synced Oct 9, 2026, 5:00 AM EDT