Search | Clinical Trials Finder

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ClinicalTrials.gov public records Last synced Nov 14, 2026, 10:07 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 199 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: peginterferon alfa-2a Clear all

Conditions: Hepatitis C, Chronic
Interventions: Copegus, PEGASYS, RO5024048 1500mg, RO5024048 3000mg; Drug
Lead sponsor: Hoffmann-La Roche; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 107 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2008
U.S. locations: 17
States / cities: La Jolla, California • Long Beach, California • Sacramento, California + 13 more

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

Conditions: Chronic Hepatitis B
Interventions: VIR-2218 and peginterferon alfa-2a; Drug
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 18 Years to 65 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2028
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Hepatitis C
Interventions: Ribavirin, Mericitabine, Peginterferon Alfa-2a, Placebo, Telaprevir; Drug
Lead sponsor: Hoffmann-La Roche; Industry
Eligibility: 18 Years and older
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2014
U.S. locations: 15
States / cities: Birmingham, Alabama • Long Beach, California • Sacramento, California + 12 more

Conditions: Chronic Hepatitis C
Interventions: Debio 025, Peg-IFNα2a, Ribavirin; Drug
Lead sponsor: Debiopharm International SA; Industry
Eligibility: 18 Years to 60 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2010
U.S. locations: 7
States / cities: La Jolla, California • Gainesville, Florida • Miami, Florida + 4 more

Conditions: Chronic Hepatitis C
Interventions: albumin interferon alfa-2b, peginterferon alfa-2a, Ribavirin; Drug
Lead sponsor: Human Genome Sciences Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 933 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2008
U.S. locations: 28
States / cities: Phoenix, Arizona • La Jolla, California • San Francisco, California + 20 more

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

Conditions: Hepatitis C Virus
Interventions: Daclatasvir, Placebo, peg-interferon alfa-2a, ribavirin; Drug
Lead sponsor: Bristol-Myers Squibb; Industry
Eligibility: 18 Years to 70 Years
Enrollment: 558 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2012
U.S. locations: 33
States / cities: Montgomery, Alabama • La Jolla, California • Los Angeles, California + 26 more

Conditions: Chronic Hepatitis C Virus
Interventions: VX-222, telaprevir, ribavirin, peginterferon-alfa-2a; Drug · Biological
Lead sponsor: Vertex Pharmaceuticals Incorporated; Industry
Eligibility: 18 Years to 70 Years
Enrollment: 103 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2013
U.S. locations: 28
States / cities: Birmingham, Alabama • San Diego, California • Englewood, Colorado + 25 more

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

Conditions: Hepatitis C, Chronic
Interventions: GS-5885, GS-9451, peginterferon alfa-2a, ribavirin tablet, GS-9451 Placebo; Drug · Biological
Lead sponsor: Gilead Sciences; Industry
Eligibility: 18 Years to 70 Years
Enrollment: 351 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 21
States / cities: Tucson, Arizona • Beverly Hills, California • Coronado, California + 17 more

Conditions: Glioma
Interventions: PEG-interferon alfa-2b, Thalidomide; Biological · Drug
Lead sponsor: National Cancer Institute (NCI); NIH
Eligibility: 18 Years and older
Enrollment: 7 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2002 – 2009
U.S. locations: 1
States / cities: Bethesda, Maryland

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

Conditions: Hepatitis C
Interventions: Alisporivir, Peginterferon alfa-2a, Ribavirin, Placebo; Drug
Lead sponsor: Debiopharm International SA; Industry
Eligibility: 18 Years to 70 Years
Enrollment: 459 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2013
U.S. locations: 18
States / cities: San Diego, California • Ventura, California • Bradenton, Florida + 13 more

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

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

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

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

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

Conditions: Neoplasm of Uncertain Malignant Potential, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions: PEG-interferon alfa-2a; Biological
Lead sponsor: National Institutes of Health Clinical Center (CC); NIH
Eligibility: 1 Year to 21 Years
Enrollment: 36 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2011
U.S. locations: 4
States / cities: Washington D.C., District of Columbia • Chicago, Illinois • Bethesda, Maryland + 1 more

Conditions: Hepatitis C, Chronic
Interventions: Copegus, Pegasys, Placebo, RO5190591 (Danoprevir); Drug
Lead sponsor: Hoffmann-La Roche; Industry
Eligibility: 18 Years and older
Enrollment: 229 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2012
U.S. locations: 24
States / cities: Phoenix, Arizona • Long Beach, California • Los Angeles, California + 20 more

Conditions: Chronic Hepatitis c, Cirrhosis, Liver, Fibrosis, Liver, Hepatic Cirrhosis
Interventions: Peginterferon alfa-2a + Ribavirin, Peginterferon alfa-2a; Drug
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 18 Years and older
Enrollment: 1,050 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2000 – 2009
U.S. locations: 11
States / cities: Long Beach, California • Los Angeles, California • Denver, Colorado + 8 more

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

Conditions: Kidney Cancer
Interventions: pegylated interferon alfa; Biological
Lead sponsor: Memorial Sloan Kettering Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 58 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1998 – 2004
U.S. locations: 2
States / cities: Los Angeles, California • New York, New York

Search by objective public record fields.

A Study of Hepatitis C Virus (HCV) Polymerase Inhibitor Pro-Drug in Combination With PEGASYS With or Without COPEGUS in Patients With Chronic Hepatitis C (CHC) Genotype 1 Infection.

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

VIR-2218 and Peginterferon Alfa-2a for Chronic Hepatitis B

A Study of Mericitabine in Combination With Telaprevir and Peginterferon Alfa-2a / Ribavirin in Participants With Chronic Hepatitis C

A Study of Debio 025 in Combination With PegIFN Alpha-2a and Ribavirin in Chronic HCV Patients Non-responders to Standard Treatment

Efficacy of Albumin Interferon Alfa-2b With Ribavirin Compared to Peg-IFN Alfa-2a With Ribavirin in IFN Naive Patients Geno2/3

Study of Nitazoxanide, Peginterferon Alfa-2a and Ribavirin in Treatment-Naive Hepatitis C Patients

Study of Daclatasvir (BMS-790052) Add-on to Standard of Care in Treatment- naïve Patients

A Study to Evaluate the Efficacy and Safety of Quadruple Therapy (VX-222, Telaprevir,Peginterferon-Alfa-2a, Ribavirin) in Subjects With Chronic Hepatitis C With Compensated Cirrhosis

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

GS-5885 Alone or in Combination With GS-9451 With Peginterferon Alfa 2a and Ribavirin in Treatment Chronic Genotype 1 Hepatitis C Virus

Phase II Trial of Peginterferon Alpha-2b and Thalidomide in Adults With Recurrent Gliomas

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

Efficacy and Safety of Adding Alisporivir (DEB025) to Peginterferon (IFN) Alfa-2a (Peg-IFN Alfa-2a) and Ribavirin in Chronic HCV Genotype 1 Patients Who Relapsed or Did Not Respond to Previous Treatment

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

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

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

Dose-Ranging Study of Sofosbuvir in Combination With Pegylated Interferon and Ribavirin in Treatment Naïve GT 1 HCV Patients

An Open Label Study of the Effect of Telaprevir in Combination With Ribavirin and Peginterferon on HCV Infection in Stable Liver Transplant Patients

PEG-Interferon Alfa-2b in Treating Young Patients With Plexiform Neurofibroma

A Study of RO5190591 (Danoprevir) in Combination With Pegasys and Copegus in Treatment-Naive Patients With Chronic Hepatitis C Genotype 1 Virus Infection

Long Term Interferon for Patients Who Did Not Clear Hepatitis C Virus With Standard Treatment

AlloHCT With PegINFa for Myelofibrosis

Interferon Alfa in Treating Patients With Advanced Kidney Cancer