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A Study of Response-Guided Duration of Combination Therapy With GS-9451, Pegasys® and Copegus® With and Without Tegobuvir (GS-9190) in Previously Untreated Subjects With Genotype 1 Chronic Hepatitis C

Phase 2
Completed
Conditions
Hepatitis C, Chronic
Interventions
Registration Number
NCT01271790
Lead Sponsor
Gilead Sciences
Brief Summary

This phase 2b study will evaluate the efficacy and safety of 16 and 24 weeks of a 4-drug regimen with GS-9451 and Tegobuvir and 24 weeks of a 3-drug regimen of GS-9451 without Tegobuvir, all with Peginterferon Alfa-2a (Pegasys®) and Ribavirin (Copegus®).

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
245
Inclusion Criteria
  • Adult subjects 18 to 70 years of age
  • Chronic HCV infection for at least 6 months prior to Baseline (Day 1)
  • Liver biopsy results (performed no more than 2 years prior to Screening) indicating the absence of cirrhosis
  • Monoinfection with HCV genotype 1a or 1b
  • HCV treatment-naïve
  • Body mass index (BMI) between 18 and 36 kg/m2
  • Creatinine clearance ≥ 50 mL/min
  • Subject agrees to use highly effective contraception methods if female of childbearing potential or sexually active male.
  • Screening laboratory values within defined thresholds for alanine aminotransferase (ALT), aspartate aminotransferase (AST), leukopenia, neutropenia, anemia, thrombocytopenia, thyroid stimulating hormone (TSH), potassium, magnesium
Exclusion Criteria
  • Autoimmune disease
  • Decompensated liver disease or cirrhosis
  • Poorly controlled diabetes mellitus
  • Severe psychiatric illness
  • Severe chronic obstructive pulmonary disease (COPD)
  • Serological evidence of co-infection with human immunodeficiency virus (HIV), hepatitis B virus (HBV), or another HCV genotype
  • Suspicion of hepatocellular carcinoma or other malignancy (with exception of certain skin cancers)
  • History of hemoglobinopathy
  • Known retinal disease
  • Subjects who are immunosuppressed
  • Subjects with known, current use of amphetamines, cocaine, opiates (i.e., morphine, heroin), methadone, or ongoing alcohol abuse
  • Subjects who are on or are expected to be on a potent cytochrome P450 (CYP) 3A4 or Pgp inhibitor, or a QT prolonging medication within 2 weeks of Baseline (Day 1) or during the study
  • Subjects must have no history of clinically significant cardiac disease, including a family history of Long QT syndrome, and no relevant electrocardiogram (ECG) abnormalities at screening

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Arm 2Tegobuvir placeboGS-9451 (active) and Tegobuvir (GS-9190) placebo in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Arm 1Copegus®GS-9451 and Tegobuvir (GS-9190) in combination with Pegasys® and Copegus® for 16 or 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Arm 2GS-9451GS-9451 (active) and Tegobuvir (GS-9190) placebo in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Arm 2Pegasys®GS-9451 (active) and Tegobuvir (GS-9190) placebo in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Arm 2Copegus®GS-9451 (active) and Tegobuvir (GS-9190) placebo in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Arm 3Tegobuvir placeboPlacebo matching Tegobuvir (GS-9190) and GS-9451 in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® will be continued for up to 48 weeks total duration
Arm 3GS-9451 placeboPlacebo matching Tegobuvir (GS-9190) and GS-9451 in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® will be continued for up to 48 weeks total duration
Arm 3Pegasys®Placebo matching Tegobuvir (GS-9190) and GS-9451 in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® will be continued for up to 48 weeks total duration
Arm 1Tegobuvir (GS-9190)GS-9451 and Tegobuvir (GS-9190) in combination with Pegasys® and Copegus® for 16 or 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Arm 1Pegasys®GS-9451 and Tegobuvir (GS-9190) in combination with Pegasys® and Copegus® for 16 or 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Arm 3Copegus®Placebo matching Tegobuvir (GS-9190) and GS-9451 in combination with Pegasys® and Copegus® for 24 weeks; Pegasys® and Copegus® will be continued for up to 48 weeks total duration
Arm 1GS-9451GS-9451 and Tegobuvir (GS-9190) in combination with Pegasys® and Copegus® for 16 or 24 weeks; Pegasys® and Copegus® may be continued for up to 48 weeks total duration depending on individual response to therapy
Primary Outcome Measures
NameTimeMethod
Sustained virologic response24 weeks of off-treatment follow-up

Sustained virologic response (SVR) defined as undetectable hepatitis C virus (HCV) RNA 24 weeks after treatment cessation

Secondary Outcome Measures
NameTimeMethod
Safety and tolerability of therapyThrough treatment period and 24 weeks of off-treatment follow-up

Safety and tolerability of therapy as measured by frequency of laboratory abnormalities, reported adverse events, and discontinuations due to adverse events

Emergence of viral resistance following initiation of therapy with GS 9190 and GS 9451Through treatment period, 24 weeks of off-treatment follow-up, and up to 48 weeks of follow-up in the Resistance Registry Substudy
Viral dynamics and steady state pharmacokineticsThrough Week 4 of therapy

Viral dynamics and steady state pharmacokinetics of GS 9190 and GS 9451 when administered in combination with PEG and RBV; measured by HCV RNA levels and plasma concentrations of GS-9190 and GS-9451 over time

Durability of response in subjects who achieve SVR36 months following Week 72

Trial Locations

Locations (142)

Henry Ford Health System-Columbus center

🇺🇸

Novi, Michigan, United States

Northwestern Memorial Hospital

🇺🇸

Chicago, Illinois, United States

Medical Associates Research Group

🇺🇸

San Diego, California, United States

University of Miami

🇺🇸

Miami, Florida, United States

Kaiser Permanente

🇺🇸

San Diego, California, United States

San Francisco Veterans Affairs Medical Center

🇺🇸

San Francisco, California, United States

Indiana University

🇺🇸

Indianapolis, Indiana, United States

Duke University Medical Center

🇺🇸

Durham, North Carolina, United States

Massachusetts General Hospital

🇺🇸

Boston, Massachusetts, United States

Beth Israel Deaconess Medical Center

🇺🇸

Boston, Massachusetts, United States

Brooke Army Medical Center

🇺🇸

San Antonio, Texas, United States

Consultants for Clinical

🇺🇸

Cincinnati, Ohio, United States

Research Specialists of Texas

🇺🇸

Houston, Texas, United States

University of Cincinnati

🇺🇸

Cincinnati, Ohio, United States

Amcare Research Inc.

🇺🇸

Houston, Texas, United States

Alamo Medical Research

🇺🇸

San Antonio, Texas, United States

Columbia Medical Group, The Frist Clinic

🇺🇸

Nashville, Tennessee, United States

Kelsey Research Foundation

🇺🇸

Houston, Texas, United States

AKH der Stadt Wien

🇦🇹

Vienna, Austria

University of Arizona

🇺🇸

Tucson, Arizona, United States

North Shore University Hospital

🇺🇸

Manhasset, New York, United States

ID Care 105

🇺🇸

Hillsborough, New Jersey, United States

Landeskrankenhaus Graz West

🇦🇹

Graz, Austria

Ziekenhuis Netwerk Antwerpen

🇧🇪

Antwerpen, Belgium

Wojewodzki Szpital Specjalistyczny im. K. Dluskiego Oddzial Obserwacyjno-Zakazny

🇵🇱

Bialystok, Poland

Memphis Gastroenterology Group

🇺🇸

Germantown, Tennessee, United States

Radomski Szpital Specjalistyczny im. Dr Tytusa Chalubinskiego Oddzial obserwacyjno-zakazny z odcinkiem jednego dnia leczenia chorob watroby

🇵🇱

Radom, Poland

Digestive Health Specialists, PA

🇺🇸

Tupelo, Mississippi, United States

University of Medicine and Dentistry of New Jersey

🇺🇸

Newark, New Jersey, United States

Wilhelminenspital der Stadt Wien

🇦🇹

Vienna, Austria

ULB Erasme

🇧🇪

Brussels, Belgium

Comprehensive Clinical Research

🇺🇸

Berlin, New Jersey, United States

UCL Saint Luc

🇧🇪

Brussels, Belgium

Samodzielny Publiczny Zaklad Opieki Zdrowotnej Szpital Uniwersytecki w Krakowie

🇵🇱

Krakow, Poland

Centralny Szpital Kliniczny Ministerstwa Spraw Wewnetrznych i Administracji w Warszawie

🇵🇱

Warszawa, Poland

Saint Louis University

🇺🇸

St. Louis, Missouri, United States

Alabama Liver and Digestive Specialists

🇺🇸

Montgomery, Alabama, United States

Digestive Health Specialists of the Southeast

🇺🇸

Dothan, Alabama, United States

Scripps Clinic

🇺🇸

La Jolla, California, United States

Pacific Oaks Medical Group

🇺🇸

Beverly Hills, California, United States

eStudySite

🇺🇸

Oceanside, California, United States

Bach and Godofsky Infectious Diseases

🇺🇸

Bradenton, Florida, United States

Washington Hospital Center

🇺🇸

Washington, District of Columbia, United States

California Pacific Medical Center

🇺🇸

San Francisco, California, United States

IGRF

🇺🇸

Indianapolis, Indiana, United States

South Denver Gastroenterology

🇺🇸

Englewood, Colorado, United States

Infectious Disease Specialists of Atlanta

🇺🇸

Decatur, Georgia, United States

Synergy Clinical Research Center

🇺🇸

National City, California, United States

South Florida Center of Gastroenterology, LLC

🇺🇸

Wellington, Florida, United States

RESEARCH and EDUCATION, INC

🇺🇸

San Diego, California, United States

Palmetto Research

🇺🇸

Hialeah, Florida, United States

Emory University, Infectious Disease Clinic

🇺🇸

Atlanta, Georgia, United States

Liver Center of Atlanta

🇺🇸

Atlanta, Georgia, United States

Partners in Internal Medicine, P.C.

🇺🇸

Worcester, Massachusetts, United States

Dekalb Gastroenterology

🇺🇸

Decatur, Georgia, United States

Digestive Disease Associates, PA

🇺🇸

Baltimore, Maryland, United States

Options Health Research, LLC

🇺🇸

Tulsa, Oklahoma, United States

Concorde Medical Group

🇺🇸

New York, New York, United States

Mount Sinai Medical Center

🇺🇸

New York, New York, United States

NYU Hepatology Associates

🇺🇸

New York, New York, United States

Binghamton Gastroenterology

🇺🇸

Binghamton, New York, United States

Liver Institute of Virginia, Bon Secours

🇺🇸

Newport News, Virginia, United States

University Hospitals Case Medical Center

🇺🇸

Cleveland, Ohio, United States

Asheville Gastroenterology Associates, P.A.

🇺🇸

Asheville, North Carolina, United States

Albert Einstein Medical Center

🇺🇸

Philadelphia, Pennsylvania, United States

Klinikum der Johann Wolfgang Goethe-Universität

🇩🇪

Frankfurt/M, Germany

UZ Antwerp

🇧🇪

Edegem, Belgium

Erasmus University Medical Center Rotterdam

🇳🇱

Rotterdam, Netherlands

Beaujon Hospital

🇫🇷

Clichy, France

LKH Innsbruck

🇦🇹

Innsbruck, Austria

Digestive and Liver Disease Specialists

🇺🇸

Norfolk, Virginia, United States

Hôpital de la Croix Rousse

🇫🇷

Lyon, France

Henri Mondor Hospital

🇫🇷

Créteil, France

Centre Hospitalier Régional d'Orléans, Hôpital de la Source

🇫🇷

Orléans, France

University hospital Heidelberg

🇩🇪

Heidelberg, Germany

Advanced Liver Therapies

🇺🇸

Houston, Texas, United States

Leber- und Studienzentrum am Checkpoint

🇩🇪

Berlin, Germany

Krankenhaus der Elisabethinen Linz GmbH

🇦🇹

Linz, Austria

Nancy University Hospital Center

🇫🇷

Vandoeuvre, France

Hôpital Cochin

🇫🇷

Paris, France

Hôpital de I´Archet 2, Service Hépatologie

🇫🇷

Nice, France

Groupe Hospitalier du Haut Leveque

🇫🇷

Pessac, France

Asklepios Klinik Sankt Georg

🇩🇪

Hamburg, Germany

Radaboud University Nijmegen Medical Centre (UMC St Radboud)

🇳🇱

Nijmegen, Netherlands

University Hospital Bonn

🇩🇪

Bonn, Germany

University Hospital Essen

🇩🇪

Essen, Germany

Johannes Gutenberg University Hospital

🇩🇪

Mainz, Germany

Charite University Medicine

🇩🇪

Berlin, Germany

University Hospital Freiburg

🇩🇪

Freiburg, Germany

University Hospital Leipzig

🇩🇪

Leipzig, Germany

Academisch Medisch Centrum Universiteit Van Amsterdam

🇳🇱

Amsterdam, Netherlands

Universitair Medisch Centrum Utrecht

🇳🇱

Utrecht, Netherlands

Wojewodzki Szpital Obserwacyjno-Zakazny im. Tadeusza Browicza Oddział Obserwacyjno-Zakazny

🇵🇱

Bydgoszcz, Poland

Szpital Specjalistyczny w Chorzowie

🇵🇱

Chorzow, Poland

Niepubliczny Zakład Opieki Zdrowotnej "Pol-SaNa-Med" Sp. z o.o.

🇵🇱

Czeladź, Poland

Samodzielny Publiczny Zaklad Opieki Zdrowotnej Wojewodzki Szpital Zakazny Oddzial Dzienny

🇵🇱

Warszawa, Poland

Barts and The London Hospital

🇬🇧

London, United Kingdom

Queen Elizabeth Hospital

🇬🇧

Birmingham, United Kingdom

Manchester Royal Infirmary

🇬🇧

Manchester, United Kingdom

Royal Free Hospital

🇬🇧

London, United Kingdom

Wojewódzki Szpital Specjalistyczny im. J. Gromkowskiego

🇵🇱

Wrocław, Poland

Saint Mary's Hosptial

🇬🇧

London, United Kingdom

Derriford Hospital

🇬🇧

Plymouth, United Kingdom

University of Chicago

🇺🇸

Chicago, Illinois, United States

Virginia Mason Medical Center, Digestive Disease Institute

🇺🇸

Seattle, Washington, United States

Chelsea and Westminster Hospital

🇬🇧

London, United Kingdom

Mayo Clinic

🇺🇸

Phoenix, Arizona, United States

Cedars-Sinai Medical Center

🇺🇸

Los Angeles, California, United States

Avail Clinical Research, LLC

🇺🇸

Deland, Florida, United States

Atlanta Gastroenterology Associates

🇺🇸

Atlanta, Georgia, United States

Graves Gilbert Clinic

🇺🇸

Bowling Green, Kentucky, United States

Johns Hopkins University

🇺🇸

Baltimore, Maryland, United States

Gastroenterology Associates, LLC

🇺🇸

Baton Rouge, Louisiana, United States

Gastrointestinal Associates, PA

🇺🇸

Jackson, Mississippi, United States

MN Gastroenterology, P.A.

🇺🇸

Plymouth, Minnesota, United States

Atlantic Research Affiliates, LLC

🇺🇸

Morristown, New Jersey, United States

Cornell University Gastroenterology & Hepatology

🇺🇸

New York, New York, United States

Columbia University Medical Center

🇺🇸

New York, New York, United States

UT Southwestern Medical Center at Dallas

🇺🇸

Dallas, Texas, United States

James H. Quillen VA Medical Center

🇺🇸

Mountain Home, Tennessee, United States

Metropolitan Research

🇺🇸

Fairfax, Virginia, United States

Medizinische Universität Graz

🇦🇹

Graz, Austria

Centre Hospitalier Universitaire Sart Tilman Liège

🇧🇪

Liège, Belgium

Saint Joseph Hospital

🇫🇷

Marseille, France

Centre Hospitalier Universitaire de Strasbourg - Hôpital Civil

🇫🇷

Strasbourg, France

Medizinische Hochschule Hannover

🇩🇪

Hannover, Germany

Kings College Hospital

🇬🇧

London, United Kingdom

Samodzielny Publiczny Szpital Kliniczny nr 1 w Lublinie

🇵🇱

Lublin, Poland

Wojewodzki Szpital Zespolony w Kielcach

🇵🇱

Kielce, Poland

Wojewodzki Specjalistyczny Szpital im. Dr Wl. Bieganskiego w Lodzi

🇵🇱

Lodz, Poland

North Manchester General Hospital

🇬🇧

Manchester, United Kingdom

Nottingham University Hospitals NHS Trust

🇬🇧

Nottingham, United Kingdom

The North Texas Research Institute

🇺🇸

Arlington, Texas, United States

Scientific Clinical Research, Inc c/o Segal Institute for Clinical Research

🇺🇸

North Miami, Florida, United States

University of Colorado Denver

🇺🇸

Aurora, Colorado, United States

Orlando Immunology Center

🇺🇸

Orlando, Florida, United States

University of Louisville

🇺🇸

Louisville, Kentucky, United States

Florida Hospital

🇺🇸

Orlando, Florida, United States

UNM Health Sciences Center

🇺🇸

Albuquerque, New Mexico, United States

University of Florida

🇺🇸

Gainesville, Florida, United States

University of Wisconsin Hospital & Clinics

🇺🇸

Madison, Wisconsin, United States

Royal Liverpool University Hospital

🇬🇧

Liverpool, United Kingdom

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