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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: PEG-Interferon alfa 2a Clear all
Terminated Phase 4 Interventional Results available

Telaprevir, Peg-IFN-alfa-2a, and RBV in Treatment-Experienced Black/African American and Non-Black/African American Subjects With Genotype 1 Chronic Hepatitis C

NCT01467492
View directory record Official record
Conditions
Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated Interferon Alfa-2a
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
27
States / cities
Birmingham, Alabama • San Francisco, California • New Haven, Connecticut + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2015 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Acute Hepatitis C Virus in HIV Co-Infection

NCT00845676
View directory record Official record
Conditions
Hepatitis C, Human Immunodeficiency Virus, HIV Infections
Interventions
Pegylated interferon alfa-2a + Ribavirin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 17, 2020 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 2 Interventional Results available

Antiviral Activity of Peg-IFN-Alpha-2A in Chronic HIV-1 Infection

NCT00594880
View directory record Official record
Conditions
HIV Infections
Interventions
Pegylated Interferon-alpha 2a, 180 mcg/week sc, Pegylated Interferon-alpha 2a, 90 mcg/week sc
Drug
Lead sponsor
The Wistar Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
5
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2015 · Synced Sep 25, 2026, 2:25 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 2, 2009 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 4 Interventional

Study for the Treatment of Significant Steatosis With Xenical Followed by Treatment of Hepatitis C With Pegasys/Copegus

NCT00207311
View directory record Official record
Conditions
Fatty Liver, Hepatitis C
Interventions
Xenical, Pegasys, Copegus, Xenicare Program
Drug · Behavioral
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 13, 2012 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 2 Interventional Results available

Study in Genotype 2 or 3 Patients With Chronic Hepatitis Virus Infection

NCT01257204
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
Placebo, Daclatasvir, Pegylated interferon alfa-2a, Ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
4
States / cities
Los Angeles, California • Baltimore, Maryland • Tulsa, Oklahoma + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 3 Interventional Results available

A Study of PEGASYS (Pegylated-interferon Alfa-2a) With or Without Ribavirin in Patients With Chronic Hepatitis C Who Have Participated in Previous Roche or Roche Partner Protocols

NCT00800735
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Pegylated-interferon alfa-2a, Ribavirin
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
11
States / cities
Sacramento, California • San Francisco, California • Lutherville, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2013 · Synced Sep 25, 2026, 2:25 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 4, 2014 · Synced Sep 25, 2026, 2:25 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 16, 2015 · Synced Sep 25, 2026, 2:25 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 23, 2020 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 3 Interventional Results available

Phase 3 Study of Sofosbuvir and Ribavirin

NCT01497366
View directory record Official record
Conditions
Hepatitis C
Interventions
Sofosbuvir, PEG, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
527 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
67
States / cities
Birmingham, Alabama • Montgomery, Alabama • Bakersfield, California + 55 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2014 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 3 Interventional

Phase III Hallmark DUAL: ASV+DCV (Nulls/Partials, Intolerants/Ineligibles. Naives)

NCT01581203
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
Asunaprevir (ASV), Daclatasvir (DCV), Pegylated-interferon alfa 2a (PegIFN), Ribavirin (RBV)
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
748 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
18
States / cities
Montgomery, Alabama • La Jolla, California • Los Angeles, California + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Sep 25, 2026, 2:25 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 25, 2026, 2:25 AM EDT
Terminated Phase 2 Interventional

Chronically-infected HCV Genotype 2 and 3 Treatment-naive Subjects: Part A: Safety and Efficacy of INX-08189 With Peg IFN Alfa-2a and Ribavirin. Part B: INX-08189 in Interferon Free Treatment With Daclatasvir and/or Ribavirin

NCT01425970
View directory record Official record
Conditions
Hepatitis C
Interventions
INX-08189, Placebo matching with INX-08189, Pegylated interferon alfa-2a, Ribavirin, Daclatasvir
Drug · Biological
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
6
States / cities
Anaheim, California • La Jolla, California • San Francisco, California + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Sep 25, 2026, 2:25 AM EDT
Terminated Phase 4 Interventional Results available

Zidovudine, Interferon Alfa-2b, PEG-Interferon Alfa-2b in Patients With HTLV-I Associated Adult T-Cell Leukemia/Lymphoma

NCT00854581
View directory record Official record
Conditions
Lymphoma, Precancerous/Nonmalignant Condition
Interventions
PEG-interferon alfa-2b, Interferon alfa-2b, Valproic Acid, Zidovudine
Biological · Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Not applicable Interventional

Comparative Effectiveness and Tolerability of Boceprevir vs Telaprevir

NCT02113631
View directory record Official record
Conditions
Hepatitis C, Chronic, Cirrhosis
Interventions
Telaprevir, Boceprevir, Peg-IFN, Ribavirin
Drug
Lead sponsor
Louis Stokes VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 2 Interventional

Safety and Tolerability of Pegylated Interferon (PEG-IFN) Alfa-2a in HIV Infected People

NCT00078442
View directory record Official record
Conditions
HIV Infections
Interventions
Pegylated interferon alfa-2a
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
3
States / cities
Sacramento, California • Chicago, Illinois • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 6, 2009 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 3 Interventional Results available

A Study of Pegylated Interferon Alfa-2A in Combination With Lamivudine or Entecavir Compared With Untreated Control Group in Children With Hepatitis B Envelope Antigen (HBeAg)-Positive Chronic Hepatitis B (CHB) in the Immune-Tolerant Phase

NCT02263079
View directory record Official record
Conditions
Pediatric Immuno-Tolerant Chronic Hepatitis B
Interventions
Entecavir, Lamivudine, Pegylated Interferon Alfa-2A
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
3 Years to 17 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Kansas City, Missouri • New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 23, 2020 · Synced Sep 25, 2026, 2:25 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Safety and Tolerability of Atezolizumab in Combination With Other Immune-Modulating Therapies in Participants With Locally Advanced or Metastatic Solid Tumors

NCT02174172
View directory record Official record
Conditions
Solid Cancers
Interventions
Atezolizumab, Bevacizumab, Interferon alfa-2b, Ipilimumab, Obinutuzumab, PEG-interferon alfa-2a
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
8
States / cities
Scottsdale, Arizona • Los Angeles, California • New Haven, Connecticut + 3 more
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Sep 25, 2026, 2:25 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 3, 2021 · Synced Sep 25, 2026, 2:25 AM EDT
Not listed Phase 1Phase 2 Interventional

Gefitinib and PEG-Interferon Alfa-2a in Treating Patients With Unresectable or Metastatic Skin Cancer

NCT00423397
View directory record Official record
Conditions
Non-melanomatous Skin Cancer
Interventions
PEG-interferon alfa-2a, gefitinib
Biological · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Sep 25, 2026, 2:25 AM EDT
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 26, 2011 · Synced Sep 25, 2026, 2:25 AM EDT
Terminated Phase 2 Interventional

PEG-Intron For Chronic Myelogenous Leukemia Patients Unresponsive To Or Intolerant Of Roferon Or Intron

NCT00037882
View directory record Official record
Conditions
Leukemia, Myeloid, Philadelphia-Positive
Interventions
PEG-Intron
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Sep 25, 2026, 2:25 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 25, 2026, 2:25 AM EDT