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

NCT ID: NCT01356160

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

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

351 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-07-31

Study Completion Date

2013-06-30

Brief Summary

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This is a Phase 2b, Randomized, Double-Blind, Placebo-Controlled Trial Evaluating Response Guided Therapy with GS-5885 Alone or in Combination with GS-9451 with Peginterferon Alfa 2a and Ribavirin in Treatment Naïve Subjects with Chronic Genotype 1 Hepatitis C Virus Infection.

Detailed Description

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Conditions

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Hepatitis C, Chronic

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Arm 1

RGT with GS-5885 30 mg QD + GS-9451 200 mg QD + PEG/RBV

Group Type ACTIVE_COMPARATOR

GS-5885

Intervention Type DRUG

tablet, 30 mg QD

GS-9451

Intervention Type DRUG

tablet, 200 mg QD

peginterferon alfa-2a

Intervention Type BIOLOGICAL

(solution for injection) 180 µg/week

ribavirin tablet

Intervention Type DRUG

ribavirin tablet (weight based: 1000 mg/day \<75 kg; 1200 mg/day ≥ 75 kg) divided twice daily (BID)

Arm 2

RGT with GS-5885 30 mg QD + GS-9451 placebo QD + PEG/RBV

Group Type PLACEBO_COMPARATOR

GS-5885

Intervention Type DRUG

tablet, 30 mg QD

peginterferon alfa-2a

Intervention Type BIOLOGICAL

(solution for injection) 180 µg/week

ribavirin tablet

Intervention Type DRUG

ribavirin tablet (weight based: 1000 mg/day \<75 kg; 1200 mg/day ≥ 75 kg) divided twice daily (BID)

GS-9451 Placebo

Intervention Type DRUG

Placebo to match GS-9451 QD

Interventions

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GS-5885

tablet, 30 mg QD

Intervention Type DRUG

GS-9451

tablet, 200 mg QD

Intervention Type DRUG

peginterferon alfa-2a

(solution for injection) 180 µg/week

Intervention Type BIOLOGICAL

ribavirin tablet

ribavirin tablet (weight based: 1000 mg/day \<75 kg; 1200 mg/day ≥ 75 kg) divided twice daily (BID)

Intervention Type DRUG

GS-9451 Placebo

Placebo to match GS-9451 QD

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 (≤ 2 years prior to Screening) indicating the absence of cirrhosis.
* Monoinfection with HCV genotype 1
* HCV RNA \> 10\^4 IU/mL at Screening
* HCV treatment naïve
* Candidate for PEG/RBV therapy
* Body mass index (BMI) 18-36 kg/m2, inclusive
* Agree to use two forms of highly effective contraception methods for the duration of the study and for 7 months after the last dose of study medication. Females of childbearing potential must have negative pregnancy test at Screening and Baseline.

Exclusion Criteria

* Pregnant female or male with pregnant female partner
* Exceed defined thresholds for leukopenia, neutropenia, anemia, thrombocytopenia, thyroid stimulating hormone (TSH)
* 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 resolved 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. Patients on stable methadone or buprenorphine maintenance treatment for at least 6 months prior to Screening may be included into the study.
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

Principal Investigators

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Bittoo Kanwar, MD

Role: STUDY_CHAIR

Gilead Sciences

Locations

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Tucson, Arizona, United States

Site Status

Beverly Hills, California, United States

Site Status

Coronado, California, United States

Site Status

Costa Mesa, California, United States

Site Status

San Diego, California, United States

Site Status

Aurora, Colorado, United States

Site Status

Englewood, Colorado, United States

Site Status

Bradenton, Florida, United States

Site Status

Baltimore, Maryland, United States

Site Status

Baltimore, Maryland, United States

Site Status

Burlington, Massachusetts, United States

Site Status

Kansas City, Missouri, United States

Site Status

Forest Hills, New York, United States

Site Status

Manhasset, New York, United States

Site Status

Durham, North Carolina, United States

Site Status

Cincinnati, Ohio, United States

Site Status

Nashville, Tennessee, United States

Site Status

Arlington, Texas, United States

Site Status

Houston, Texas, United States

Site Status

San Antonio, Texas, United States

Site Status

Fairfax, Virginia, United States

Site Status

Herston, Queensland, Australia

Site Status

San Juan, , Puerto Rico

Site Status

Countries

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United States Australia Puerto Rico

Other Identifiers

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GS-US-256-0148

Identifier Type: -

Identifier Source: org_study_id

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