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ClinicalTrials.gov public records Last synced Oct 10, 2026, 2:34 PM EDT

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Showing 145–168 of 202 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pegylated Interferon-alpha2a Clear all
Recruiting Phase 1Phase 2 Interventional

DOC1021 Dendritic Cell Immunotherapy for Refractory Melanoma

NCT07288112
View directory record Official record
Conditions
Refractory Melanoma
Interventions
DOC1021, Tumor resection, pIFN (peginterferon alfa-2a)
Biological · Procedure · Drug
Lead sponsor
Diakonos Oncology Corporation
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2033
U.S. locations
8
States / cities
Birmingham, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 10, 2026, 2:34 PM 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 2, 2018 · Synced Oct 10, 2026, 2:34 PM 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 10, 2026, 2:34 PM EDT
Completed Phase 2 Interventional Results available

Add-on Peginterferon Following Nucleos(t)Ide Analogue Treatment

NCT02364336
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
Peginterferon alfa-2a
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2019 · Synced Oct 10, 2026, 2:34 PM 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 10, 2026, 2:34 PM EDT
Completed Phase 3 Interventional Results available

A Study of Pegasys (Peginterferon Alfa-2a) Versus Untreated Control in Children With HBeAg Positive Chronic Hepatitis B

NCT01519960
View directory record Official record
Conditions
Hepatitis B, Chronic
Interventions
peginterferon alfa-2a [Pegasys]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
3 Years to 17 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
6
States / cities
San Francisco, California • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2022 · Synced Oct 10, 2026, 2:34 PM EDT
Completed Phase 2 Interventional Results available

Safety, Antiviral Activity, and Pharmacokinetics of GSK2336805 With Peginterferon and Ribavirin in Chronic Hepatitis C Subjects

NCT01439373
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
GSK2336805, Pegylated interferon alfa-2a, Ribavirin, GSK2336805 Matching Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
9
States / cities
Anaheim, California • Chula Vista, California • Coronado, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Oct 10, 2026, 2:34 PM 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 10, 2026, 2:34 PM EDT
Completed Phase 4 Interventional Results available

PHOENIX Study - A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) and COPEGUS (Ribavirin) Administered After Liver Transplantation for Hepatitis C.

NCT00087633
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
peginterferon alfa-2a [Pegasys], Copegus
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
28
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Oct 10, 2026, 2:34 PM 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 14, 2015 · Synced Oct 10, 2026, 2:34 PM 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 26, 2016 · Synced Oct 10, 2026, 2:34 PM EDT
Completed Phase 2 Interventional

Treatment of Hepatitis C in Hemophilic Patients With HIV

NCT00055341
View directory record Official record
Conditions
HIV Infections, Hepatitis C, Hemophilia
Interventions
Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
15 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 30, 2008 · Synced Oct 10, 2026, 2:34 PM EDT
Completed Not applicable Interventional

Effects of Anti-HIV Therapy on Treatment for Hepatitis C in HCV/HIV Infected Adults

NCT00100581
View directory record Official record
Conditions
HIV Infections, Hepatitis C
Interventions
Efavirenz, Lamivudine, Lopinavir/ritonavir, Pegylated interferon alfa-2a, Ribavirin, Tenofovir disoproxil fumarate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
2
States / cities
New York, New York • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 10, 2026, 2:34 PM 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 13, 2014 · Synced Oct 10, 2026, 2:34 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 4, 2013 · Synced Oct 10, 2026, 2:34 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 26, 2021 · Synced Oct 10, 2026, 2:34 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 9, 2011 · Synced Oct 10, 2026, 2:34 PM 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 10, 2014 · Synced Oct 10, 2026, 2:34 PM EDT
Completed Phase 2 Interventional

A Study of RO5024048 in Combination With Pegasys and Copegus in Treatment-Naive Patients With Chronic Hepatitis C, Genotype 1 or 4

NCT00869661
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Copegus, Pegasys, RO5024048
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
413 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2012
U.S. locations
21
States / cities
Birmingham, Alabama • La Jolla, California • Sacramento, California + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 10, 2026, 2:34 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study in Subjects With Chronic HCV and Underlying Hemophilia

NCT01741545
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
Pegylated-Interferon-lambda, Ribavirin, Daclatasvir
Biological · Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older · Male only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
4
States / cities
Palo Alto, California • Chicago, Illinois • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Oct 10, 2026, 2:34 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 26, 2015 · Synced Oct 10, 2026, 2:34 PM EDT
Terminated Phase 2 Interventional

Capecitabine and Pegylated Interferon Alfa-2a in Treating Patients With Recurrent or Progressive Brain Metastases Due to Breast Cancer

NCT00227656
View directory record Official record
Conditions
Breast Cancer, Metastatic Cancer
Interventions
PEG-interferon alfa-2a, Capecitabine
Biological · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
4
States / cities
Wichita, Kansas • Grand Rapids, Michigan • Springfield, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2012 · Synced Oct 10, 2026, 2:34 PM EDT
Completed Phase 3 Interventional Results available

Study Comparing Daclatasvir (BMS-790052) With Telaprevir Combined With Peginterferon Alfa-2a and Ribavirin in Patients With Chronic Hepatitis C Virus Infection

NCT01492426
View directory record Official record
Conditions
Hepatitis C
Interventions
Daclatasvir, Telaprevir, Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
605 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
25
States / cities
Birmingham, Alabama • Phoenix, Arizona • Long Beach, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2016 · Synced Oct 10, 2026, 2:34 PM EDT
Completed Phase 4 Interventional Results available

Latino Study - A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) and COPEGUS (Ribavirin) in Treatment-Naive Patients With Chronic Hepatitis C-Genotype 1.

NCT00107653
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Ribavirin, Peginterferon alfa-2a
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
58
States / cities
Scottsdale, Arizona • Tucson, Arizona • Anaheim, California + 46 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2016 · Synced Oct 10, 2026, 2:34 PM EDT