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ClinicalTrials.gov public records Last synced Sep 29, 2026, 1:11 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Pegasys® Clear all
Withdrawn Not applicable Interventional

Inflammation, Stress & Social Behavior: Using Ecological Assessments & Model Systems to Enhance Relevance to Health Outcomes

NCT01625793
View directory record Official record
Conditions
Hepatitis C
Interventions
Interferon-alpha
Drug
Lead sponsor
University of Arizona
Other
Eligibility
21 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Tucson, Arizona • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 21, 2013 · Synced Sep 29, 2026, 1:11 PM EDT
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 29, 2026, 1:11 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 29, 2026, 1:11 PM EDT
Terminated Phase 4 Interventional Results available

Pegylated Interferon, Ribavirin, Telaprevir in Hepatitis C Virus Infection in Orthotopic Liver Transplant Recipients

NCT01592006
View directory record Official record
Conditions
Hepatitis C
Interventions
Peginterferon alfa-2a, Ribavirin, telaprevir
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 14, 2016 · Synced Sep 29, 2026, 1:11 PM 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 29, 2026, 1:11 PM EDT
Completed Phase 3 Interventional Results available

Open-Label Study of Sofusbuvir+Ribavirin With or Without Peginterferon Alfa-2a in Subjects With Chronic HCV Infection Who Participated in Prior Gilead HCV Studies

NCT01625338
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
SOF, RBV, Peg-IFN
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
534 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
67
States / cities
Birmingham, Alabama • Bakersfield, California • Colton, California + 53 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2015 · Synced Sep 29, 2026, 1:11 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Telaprevir in Combination With Peginterferon Alfa-2a and Ribavirin in Subjects Co-Infected With Hepatitis C Virus (HCV) and HIV

NCT00983853
View directory record Official record
Conditions
Hepatitis C, HIV Infections
Interventions
telaprevir or matching placebo, peginterferon alfa-2a, ribavirin (fixed dose), ribavirin (weight-based dose)
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
11
States / cities
Beverly Hills, California • San Diego, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2013 · Synced Sep 29, 2026, 1:11 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 13, 2015 · Synced Sep 29, 2026, 1:11 PM EDT
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 29, 2026, 1:11 PM EDT
Completed Phase 2 Interventional Results available

Study of the Anti-HCV Drug (BMS-790052) Combined With Peginterferon and Ribavirin in Patients Who Failed Prior Treatment

NCT01170962
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
BMS-790052, Placebo, peginterferon alfa-2a, ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Enrollment
512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
35
States / cities
Montgomery, Alabama • La Jolla, California • Los Angeles, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Sep 29, 2026, 1:11 PM EDT
Completed Phase 4 Interventional Results available

Efficacy & Safety of Tenofovir Disoproxil Fumarate (TDF) Plus Peginterferon α-2a (Peg-IFN) Versus TDF or Peg-IFN Monotherapy in Chronic Hepatitis B

NCT01277601
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
TDF, Peg-IFN
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
26
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2016 · Synced Sep 29, 2026, 1:11 PM EDT
Completed Phase 4 Interventional Results available

A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) in Combination With Ribavirin in Patients With Chronic Hepatitis C (CHC) Previously Treated With PEG-Intron + Ribavirin

NCT00087568
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Ribavirin, peginterferon alfa-2a [Pegasys]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
25
States / cities
Bakersfield, California • Pasadena, California • San Diego, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Sep 29, 2026, 1:11 PM EDT
Completed Phase 2 Interventional

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

NCT01482390
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 23, 2017 · Synced Sep 29, 2026, 1:11 PM 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 29, 2026, 1:11 PM EDT
Completed Phase 3 Interventional Results available

Sofosbuvir With Peginterferon Alfa 2a and Ribavirin for 12 Weeks in Treatment-Naive Subjects With Chronic Genotype 1, 4, 5, or 6 HCV Infection

NCT01641640
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Sofosbuvir, RBV, PEG
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
55
States / cities
Birmingham, Alabama • Coronado, California • Los Angeles, California + 43 more
Source: ClinicalTrials.gov public record
Updated May 7, 2014 · Synced Sep 29, 2026, 1:11 PM EDT
Terminated Phase 2 Interventional

A Safety and Efficacy Study of the Combination of VX-222 and Telaprevir in Treatment-Naïve Subjects With Genotype 1 Chronic Hepatitis C Virus Infection

NCT01080222
View directory record Official record
Conditions
Chronic Hepatitis C Virus Infection
Interventions
telaprevir, VX-222, ribavirin, peginterferon-alfa-2a
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
19
States / cities
La Jolla, California • San Francisco, California • Aurora, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2020 · Synced Sep 29, 2026, 1:11 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Daclatasvir (BMS-790052) Plus Pegylated Interferon-Alfa 2a and Ribavirin in Patients Coinfected With Untreated Hepatitis C Virus and HIV Virus

NCT01471574
View directory record Official record
Conditions
Hepatitis C, Genotype 1
Interventions
Daclatasvir, Ribavirin, PEG-Interferon alfa 2a
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
23
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Sep 29, 2026, 1:11 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 12, 2014 · Synced Sep 29, 2026, 1:11 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 29, 2026, 1:11 PM EDT
Completed Phase 3 Interventional

Phase III Hallmark QUAD: ASV+DCV+Peg+Rib (Nulls/Partials)

NCT01573351
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
Asunaprevir, Daclatasvir, Peg-interferon Alfa-2a, Ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
20
States / cities
Montgomery, Alabama • La Jolla, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Sep 29, 2026, 1:11 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 25, 2014 · Synced Sep 29, 2026, 1:11 PM 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 29, 2026, 1:11 PM EDT
Completed Phase 2 Interventional Results available

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

NCT01183169
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Sep 29, 2026, 1:11 PM 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 29, 2026, 1:11 PM EDT