GS-5885, GS-9451 With Peginterferon Alfa 2a (PEG) and Ribavirin in Treatment-Naïve Subjects With Chronic Genotype 1 Hep C Virus Infection and IL28B CC Genotype

NCT ID: NCT01384383

Last Updated: 2014-02-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE2

Total Enrollment

248 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-08-31

Study Completion Date

2013-06-30

Brief Summary

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This is a Phase 2, randomized, open-label exploratory study that will examine the antiviral efficacy, safety, and tolerability of Response guided treatment (RGT) with GS-5885 + GS-9451 + PEG/RBV (6 or 12 weeks), or Peginterferon Alfa 2a (PEG)/Ribavirin (RBV)alone (24 weeks) in treatment naïve subjects with chronic Hep C (HCV) infection with genotype (GT) 1 and IL28B CC genotype.

Detailed Description

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Conditions

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Chronic Hepatitis C

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Arm 1

Response-Guided Therapy with GS-5885 30 mg plus GS-9451 200 mg, plus PEG and RBV for 6 or 12 weeks.

Group Type EXPERIMENTAL

GS-5885

Intervention Type DRUG

GS-5885 30 mg tablet administered orally once daily

GS-9451

Intervention Type DRUG

GS-9451 200 mg tablet administered orally once daily

RBV

Intervention Type DRUG

Ribavirin (RBV) tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (\< 75kg = 1000 mg and ≥ 75 kg = 1200 mg)

PEG

Intervention Type DRUG

Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection

Arm 2

Response-Guided Therapy with PEG and RBV for 24 weeks.

Group Type EXPERIMENTAL

RBV

Intervention Type DRUG

Ribavirin (RBV) tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (\< 75kg = 1000 mg and ≥ 75 kg = 1200 mg)

PEG

Intervention Type DRUG

Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection

Interventions

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GS-5885

GS-5885 30 mg tablet administered orally once daily

Intervention Type DRUG

GS-9451

GS-9451 200 mg tablet administered orally once daily

Intervention Type DRUG

RBV

Ribavirin (RBV) tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (\< 75kg = 1000 mg and ≥ 75 kg = 1200 mg)

Intervention Type DRUG

PEG

Pegylated interferon alfa-2a (PEG) 180 μg administered once weekly by subcutaneous injection

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Males and females 18-70 years of age
* Chronic HCV infection
* Subjects must have liver biopsy results (≤ 3 years prior to screening) indicating the absence of cirrhosis. Alternatively a non-invasive alternative to liver biopsy (such as FibroTest, FibroScan, or Acoustic Radiation Force Impulse imaging) within 6 months of Screening in countries where allowed
* Monoinfection with HCV genotype 1a or 1b
* HCV RNA \> 10\^4 IU/mL at Screening
* IL28B CC genotype
* HCV treatment naïve
* Candidate for PEG/RBV therapy
* Body mass index (BMI) between 18 and 36 kg/m2
* Creatinine clearance \>= 50 mL/min
* Agree to use two forms of highly effective contraception methods for the duration of the study and for 7 months after the last dose study medication. Females of childbearing potential must have negative pregnancy test at Screening and Baseline

Exclusion Criteria

* Exceed defined thresholds for key laboratory parameters at Screening
* Diagnosis of autoimmune disease, decompensated liver disease, poorly controlled diabetes mellitus, significant psychiatric illness, severe chronic obstructive pulmonary disease (COPD), HIV, hepatitis B virus (HBV), hepatocellular carcinoma or other malignancy (with exception of certain skin cancers), hemoglobinopathy, retinal disease, or are immunosuppressed
* Subjects with current use of amphetamines, cocaine, opiates (e.g., morphine, heroin), or ongoing alcohol abuse are excluded. Subjects on stable methadone maintenance treatment for at least 6 months prior to Screening may be included into the study
* Use of prohibited concomitant medications two weeks prior to baseline through the end of treatment
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Gilead Sciences

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Axis Clinical Trials

Los Angeles, California, United States

Site Status

Axis Clinical Trials

Los Angeles, California, United States

Site Status

UCLA Medical Center

Los Angeles, California, United States

Site Status

V.A. Greater Los Angeles Healthcare System

Los Angeles, California, United States

Site Status

UC Davis Medical Center

Sacramento, California, United States

Site Status

Research and Education, Inc.

San Diego, California, United States

Site Status

San Jose Gastroenterology

San Jose, California, United States

Site Status

Stanford University

Stanford, California, United States

Site Status

South Denver Gastroenterology

Englewood, Colorado, United States

Site Status

Indianapolis Gastroenterology Research Foundation

Indianapolis, Indiana, United States

Site Status

Commonwealth Clinical Studies, LLC

Brockton, Massachusetts, United States

Site Status

Impact Clinical Trials

Las Vegas, Nevada, United States

Site Status

North Shore University Hospital

Great Neck, New York, United States

Site Status

Weill Cornell College of Medicine

New York, New York, United States

Site Status

Westchester Medical Center

Yonkers, New York, United States

Site Status

Asheville Gastroenterology Associates, P.A.

Asheville, North Carolina, United States

Site Status

The University of North Carolina at Chapel Hill

Chapel Hill, North Carolina, United States

Site Status

Duke University

Durham, North Carolina, United States

Site Status

Oregon Health & Science University

Portland, Oregon, United States

Site Status

The North Texas Research Institute

Arlington, Texas, United States

Site Status

Research Specialists of Texas

Houston, Texas, United States

Site Status

University of Utah Pediatric Pulmonology

Salt Lake City, Utah, United States

Site Status

Metropolitan Liver Diseases Center

Fairfax, Virginia, United States

Site Status

Liver Institute of Virginia, Bon Secours Health System

Newport News, Virginia, United States

Site Status

Digestive and Liver Disease Specialists

Norfolk, Virginia, United States

Site Status

Harborview Medical Center

Seattle, Washington, United States

Site Status

Royal Prince Alfred Hospital

Camperdown, New South Wales, Australia

Site Status

Concord Repatriation General Hospital

Concord, New South Wales, Australia

Site Status

Saint Vincents Hospital

Darlinghurst, New South Wales, Australia

Site Status

Nepean Hospital

Kingswood, New South Wales, Australia

Site Status

St. George Hospital

Kogarah, New South Wales, Australia

Site Status

Liverpool Hospital

Sydney, New South Wales, Australia

Site Status

Westmead Hospital

Westmead, New South Wales, Australia

Site Status

Royal Brisbane Hospital Research Foundation

Herston, Queensland, Australia

Site Status

Greenslopes Private Hospital

Woolloongabba, Queensland, Australia

Site Status

Princess Alexandra Hospital

Woolloongabba, Queensland, Australia

Site Status

Flinders Medical Centre

Bedford Park, South Australia, Australia

Site Status

St. Vincent's Hospital, Sydney Ltd.

Fitzroy, Victoria, Australia

Site Status

Western Hospital

Footscray, Victoria, Australia

Site Status

Austin Health, Department of Hepatology

Heidelberg, Victoria, Australia

Site Status

Alfred Hospital

Melbourne, Victoria, Australia

Site Status

Monash Medical Centre

Melbourne, Victoria, Australia

Site Status

Box Hill Hospital

Melbourne, Victoria, Australia

Site Status

Royal Melbourne Hospital

Parkville, Victoria, Australia

Site Status

Fremantle Hospital

Fremantle, Western Australia, Australia

Site Status

Sir Charles Gairdner Hospital

Nedlands, Western Australia, Australia

Site Status

University of Calgary

Calgary, Alberta, Canada

Site Status

University of Alberta

Edmonton, Alberta, Canada

Site Status

LAIR Centre

Vancouver, British Columbia, Canada

Site Status

GIRI GI Research Institute

Vancouver, British Columbia, Canada

Site Status

University of Manitoba, John Buhler Research Centre

Winnipeg, Manitoba, Canada

Site Status

London Health Sciences

London, Ontario, Canada

Site Status

Toronto Liver Centre

Toronto, Ontario, Canada

Site Status

Auckland Hospital

Aukland, , New Zealand

Site Status

Waikato Hospital

Hamilton, , New Zealand

Site Status

Countries

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United States Australia Canada New Zealand

Other Identifiers

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GS-US-248-0121

Identifier Type: -

Identifier Source: org_study_id

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