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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:24 PM EDT

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Showing 1–24 of 202 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pegylated Interferon Clear all
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 21, 2026, 2:24 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 30, 2023 · Synced Oct 21, 2026, 2:24 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 26, 2022 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of BI 201335 (Faldaprevir) in Combination With Pegylated Interferon-alpha and Ribavirin in Treatment-Experienced Genotype 1 Hepatitis C Infected Patients (STARTverso 3)

NCT01358864
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
BI 201335, Pegylated Interferon-alpha (IFN), Ribavirin (RBV), Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 70 Years
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
18
States / cities
North Little Rock, Arkansas • Englewood, Colorado • Palm Harbor, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2016 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Adjuvant Therapy of Pegylated Interferon- 2b Plus Melanoma Peptide Vaccine

NCT00861406
View directory record Official record
Conditions
Melanoma
Interventions
Pegylated Interferon-Alfa 2b (PEG Intron), GP-100 Peptide Vaccine
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 4 Interventional

Pegasys and Copegus for Asian Patients With Treatment-naive Hepatitis C Genotypes 6, 7, 8, 9

NCT00575224
View directory record Official record
Conditions
Chronic Hepatitis C, Asian Americans, Novel Genotypes, Treatment
Interventions
Pegylated interferon and ribavirin
Drug
Lead sponsor
Pacific Health Foundation
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
5
States / cities
San Diego, California • San Jose, California • Westminster, California + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2009 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 1Phase 2 Interventional

Valopicitabine When Administered Alone and in Combination With Interferon to Treatment-Naive Patients With Hepatitis C

NCT00120835
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
valopicitabine, pegylated interferon
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Timeline
Started 2004
U.S. locations
2
States / cities
Bradenton, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2010 · Synced Oct 21, 2026, 2:24 PM EDT
Terminated Phase 4 Interventional

Assessing the Efficacy and Safety of Rosiglitazone Added to Standard Therapy for Hepatitis C Genotype 1 With Fatty Liver

NCT00274495
View directory record Official record
Conditions
Chronic Hepatitis C Infection, Fatty Liver
Interventions
Rosiglitazone and Pegasys/Ribavirin
Drug
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2007 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 4 Interventional Results available

The SIM-SOF Trial for Hepatitis C

NCT02168361
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Pegylated Interferon alfa-2b, Simeprevir, Ribavirin, Sofosbuvir
Drug
Lead sponsor
Center For Hepatitis C, Atlanta, GA
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 2 Interventional

Safety, Tolerability, and Antiviral Activity of ANA598 Administered in Combination With Pegylated Interferon and Ribavirin for the Treatment of Genotype-1 Chronic HCV Infection

NCT00978497
View directory record Official record
Conditions
HCV Infection
Interventions
placebo, ANA598, Peginterferon, Ribavirin
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
20
States / cities
Anaheim, California • Los Angeles, California • San Clemente, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2017 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 2 Interventional Results available

Sofosbuvir With Pegylated Interferon and Ribavirin Hepatitis C Virus (HCV) Genotypes 1,4,5,6

NCT01329978
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Sofosbuvir, RBV, PEG
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
44
States / cities
Montgomery, Alabama • Jonesboro, Arkansas • Anaheim, California + 36 more
Source: ClinicalTrials.gov public record
Updated May 26, 2014 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Not applicable Interventional Results available

Intensive Models of HCV Care for Injection Drug Users

NCT01857245
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
Intensive Models (mDOT and CGT) of HCV Care
Other
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 21, 2026, 2:24 PM EDT
Completed No phase listed Observational Results available

PROPHESYS 3: Observational Study on Predictors of Response in Patients With Treatment-naïve Chronic Hepatitis C Initiated on Treatment With Pegasys (Peginterferon Alfa-2a) or Peginterferon-alfa-2b

NCT01066819
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Peginterferon alfa-2a [Pegasys], Peginterferon alfa-2b [PegIntron®]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
1,656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
105
States / cities
Birmingham, Alabama • Dothan, Alabama • Fresno, California + 86 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2016 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Not applicable Interventional

Interleukin-2 (IL-2), Pegylated Interferon (PEG-IFN Alfa-2b), and Ribavirin (RBV) Treatment in Patients With Hepatitis C and HIV Coinfection

NCT00015652
View directory record Official record
Conditions
HIV Infections, Hepatitis C
Interventions
Ribavirin, Aldesleukin, Peginterferon alfa-2b
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
8
States / cities
Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 2 Interventional

Valopicitabine Alone and Together With Pegylated Interferon in Patients With Chronic Hepatitis C Who Have Failed to Respond to Standard Therapy

NCT00120861
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
valopicitabine, pegylated interferon, ribavirin
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Timeline
Started 2005
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2010 · Synced Oct 21, 2026, 2:24 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 21, 2026, 2:24 PM EDT
Completed Phase 2 Interventional

Bevacizumab and PEG-Interferon Alfa-2b in Treating Patients With Metastatic or Unresectable Carcinoid Tumors

NCT00055809
View directory record Official record
Conditions
Metastatic Gastrointestinal Carcinoid Tumor, Recurrent Gastrointestinal Carcinoid Tumor, Regional Gastrointestinal Carcinoid Tumor
Interventions
PEG-interferon alfa-2b, bevacizumab, laboratory biomarker analysis
Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 1 Interventional Results available

Placebo-controlled, Dose-escalation Study of the Safety of IMO-2125 (Immunomodulatory Oligonucleotide) in Hepatitis C-infected Patients

NCT00728936
View directory record Official record
Conditions
Hepatitis C
Interventions
IMO-2125, Saline placebo
Drug
Lead sponsor
Idera Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
6
States / cities
Aurora, Colorado • Marietta, Georgia • Novi, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 21, 2026, 2:24 PM 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 21, 2026, 2:24 PM EDT
Recruiting Phase 1 Interventional

AlloHCT With PegINFa for Myelofibrosis

NCT05535764
View directory record Official record
Conditions
Myelofibrosis
Interventions
Pegylated interferon alpha2a
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 2:24 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 21, 2026, 2:24 PM EDT
Completed Phase 3 Interventional Results available

A Rollover Study of BI 201335 in Combination With Pegylated Interferon-alpha and Ribavirin in Treatment-experienced Genotype 1 Hepatitis C Infected Patients

NCT01330316
View directory record Official record
Conditions
Hepatitis C
Interventions
BI 201335, PegIFN/RBV
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 70 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
20
States / cities
Birmingham, Alabama • North Little Rock, Arkansas • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2016 · Synced Oct 21, 2026, 2:24 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 5, 2011 · Synced Oct 21, 2026, 2:24 PM EDT
Completed Phase 2 Interventional Results available

A Study of JNJ-73763989, Pegylated Interferon Alpha-2a, Nucleos(t)Ide Analog (NA) With or Without JNJ-56136379 in Treatment-naive Participants With Hepatitis B e Antigen (HBeAg) Positive Chronic Hepatitis B Virus (HBV) Infection

NCT04439539
View directory record Official record
Conditions
Hepatitis B, Chronic
Interventions
JNJ-73763989, PegIFN-alpha-2a, Tenofovir disoproxil, Tenofovir alafenamide, JNJ-56136379
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Oct 21, 2026, 2:24 PM EDT