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Showing 1–24 of 199 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Peginterferon Alfa-2a Clear all
Completed Phase 1Phase 2 Interventional Results available

Peginterferon Alfa-2a to Enhance Anti-leukemic Responses After Allogeneic Transplantation in Acute Myeloid Leukemia

NCT02328755
View directory record Official record
Conditions
Acute Myeloid Leukemia
Interventions
peg-IFN-α, Hematopoietic Cell Transplant (HCT), Tacrolimus, Methotrexate
Drug · Procedure
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 2 Interventional

A Study of Ritonavir-Boosted Danoprevir and RO5024048 in Different Combinations in Null Responder or Treatment-Naïve Patients With Chronic Hepatitis C and Compensated Cirrhosis

NCT01483742
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
RO5024048, danoprevir, peginterferon alfa-2a [Pegasys], ribavirin, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
15
States / cities
Birmingham, Alabama • Anaheim, California • Coronado, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2016 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability, and Antiviral Activity of ACH-0141625 or Placebo in Combination With Peginterferon and Ribavirin in Hepatitis C Virus (HCV) Positive Participants

NCT01180790
View directory record Official record
Conditions
Hepatitis C
Interventions
ACH-0141625 (Sovaprevir), Placebo, Pegylated Interferon alpha-2a, Ribavirin
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
15
States / cities
Los Angeles, California • San Francisco, California • Bradenton, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 3 Interventional Results available

A Study Evaluating 24-Week and 48-Week Telaprevir-Based Regimen in Treatment Naïve Subjects With Genotype 1 Chronic Hepatitis C Who Achieve an Extended Rapid Viral Response

NCT00758043
View directory record Official record
Conditions
Hepatitis C
Interventions
telaprevir, ribavirin, peginterferon alfa-2a
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
74
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 57 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Sep 3, 2026, 4:27 PM EDT
Completed No phase listed Observational Results available

An Observational Study of Peginterferon (e.g. Pegasys)-Based Direct Acting Antiviral Triple Therapy in Patients With Chronic Hepatitis C Genotype 1

NCT01508130
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Not listed
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
672 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
65
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Loma Linda, California + 53 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Sep 3, 2026, 4:27 PM EDT
Not listed Phase 2 Interventional

Efficacy and Safety Study of PEG-rIL-29 Plus Ribavirin to Treat Chronic Hepatitis C Virus Infection

NCT01001754
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
PEG-rIL-29, Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
ZymoGenetics
Industry
Eligibility
18 Years to 70 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
29
States / cities
Beverly Hills, California • Coronado, California • La Jolla, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2011 · Synced Sep 3, 2026, 4:27 PM EDT
Terminated Not applicable Interventional

Prevention of Depression in HIV/HCV Co-infected Substance Abuse Patients

NCT00655226
View directory record Official record
Conditions
Hepatitis C, Depressive Disorder, Major, Depressive Disorder, Depression, HIV Infections
Interventions
Hepatitis C educational support groups, Cognitive Behavioral Therapy skills based group sessions
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 8, 2011 · Synced Sep 3, 2026, 4:27 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 29, 2023 · Synced Sep 3, 2026, 4:27 PM EDT
Recruiting Phase 3 Interventional

A Phase 3 Study of INCA033989 Versus Best Available Therapy in Participants With Essential Thrombocythemia

NCT07623200
View directory record Official record
Conditions
Essential Thrombocythemia
Interventions
INCA033989, Best Available Treatment
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
41
States / cities
Gilbert, Arizona • Tucson, Arizona • Duarte, California + 33 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 3, 2026, 4:27 PM 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 3, 2026, 4:27 PM EDT
Completed Phase 2 Interventional Results available

Dose Ranging of GSK2336805 in Combination Therapy

NCT01648140
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
GSK2336805 40 mg, GSK2336805 60 mg, Pegylated interferon alpha-2a, Ribavirin, Telaprevir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
18
States / cities
Dothan, Alabama • Anaheim, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 2 Interventional Results available

Pegylated Interferon Alfa-2a Maintenance Therapy and Liver Disease Progression in People Infected With Both HIV and Hepatitis C Virus (HCV)

NCT00078403
View directory record Official record
Conditions
HIV Infections, Hepatitis C, Liver Disease
Interventions
Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
36
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2021 · Synced Sep 3, 2026, 4:27 PM 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 3, 2026, 4:27 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Reducing the Residual Reservoir of HIV-1 Infected Cells in Patients Receiving Antiretroviral Therapy

NCT02471430
View directory record Official record
Conditions
HIV Infection
Interventions
Panobinostat, Pegylated Interferon-alpha2a
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 3, 2026, 4:27 PM 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 25, 2015 · Synced Sep 3, 2026, 4:27 PM 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 11, 2015 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 3 Interventional Results available

Entecavir/Pegylated Interferon in Immune Tolerant Children With Chronic Hepatitis B Virus (HBV) Infection

NCT01368497
View directory record Official record
Conditions
Hepatitis B
Interventions
Entecavir and peginterferon
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
3 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
6
States / cities
San Francisco, California • Baltimore, Maryland • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 3 Interventional Results available

A Study of Pegasys (Peginterferon Alfa-2a) Administered Alone or in Combination With Copegus (Ribavirin) in Patients With Chronic Hepatitis C Who Have Participated in Previous Pegasys Trials

NCT01853254
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
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
49
States / cities
Birmingham, Alabama • La Jolla, California • Long Beach, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2013 · Synced Sep 3, 2026, 4:27 PM EDT
Withdrawn Phase 3 Interventional

Safety and Efficacy Study of Pegylated Interferon Lambda Versus Pegylated Interferon Alfa, Plus Ribavirin in Subjects With Hepatitis C

NCT01447394
View directory record Official record
Conditions
Hepatitis C Virus (HCV)
Interventions
Pegylated Interferon Lambda, Pegylated Interferon Alfa-2a, Ribavirin
Biological · Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
San Diego, California • Rochester, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Sep 3, 2026, 4:27 PM EDT
Terminated Phase 2 Interventional Results available

Pegylated Interferon Alpha-2b in Early Primary Myelofibrosis

NCT01758588
View directory record Official record
Conditions
Myelofibrosis
Interventions
Peginterferon alfa-2a
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 1Phase 2 Interventional

A Phase 1b/2a Study of SC Hanferon™ in Combination With Ribavirin in Treatment-naïve Subjects With Genotype 1 Hepatitis C

NCT01194037
View directory record Official record
Conditions
Chronic Hepatitis C Infection, Genotype 1
Interventions
recombinant variant of interferon-alpha 2b, Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
HanAll BioPharma Co., Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
6
States / cities
Los Angeles, California • National City, California • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2025 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 2 Interventional

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

NCT00262483
View directory record Official record
Conditions
Hepatitis C
Interventions
VX-950, ribavirin, peginterferon alfa-2a
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 20, 2007 · Synced Sep 3, 2026, 4:27 PM EDT
Withdrawn Phase 2 Interventional

Hepatitis B Immune Globulin (HBIg) to Restore Immune Control in People With Chronic Hepatitis B

NCT03575208
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
hepatitis B immune globulin (HBIg), Pegylated interferon alfa (pegIFN)
Biological · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Sep 3, 2026, 4:27 PM EDT
Completed Phase 2 Interventional Results available

A Study of TMC435 in Combination With Pegylated Interferon Alp\Fa-2a and Ribavirin in Patients Infected With Genotype 1 Hepatitis C Virus Who Never Received Treatment

NCT00882908
View directory record Official record
Conditions
Hepatitis C
Interventions
TMC435, Ribavirin (R), PegIFNα-2a (P), Placebo
Drug
Lead sponsor
Tibotec Pharmaceuticals, Ireland
Industry
Eligibility
18 Years to 70 Years
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
12
States / cities
Los Angeles, California • Jacksonville, Florida • Orlando, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2014 · Synced Sep 3, 2026, 4:27 PM EDT