A Study Evaluating the Safety, Tolerability, Pharmacokinetics and Antiviral Activity of GS-6620 in Treatment Naïve Subjects With Chronic Hepatitis C Virus Infection

NCT ID: NCT01316237

Last Updated: 2012-03-26

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

PHASE1

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-01-31

Study Completion Date

2012-01-31

Brief Summary

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A Double-Blind, Randomized, Placebo-Controlled, Multiple Dose Ranging Study Evaluating the Safety, Tolerability, Pharmacokinetics and Antiviral Activity of GS-6620 in Treatment Naïve Subjects with Chronic Hepatitis C Virus Infection.

Detailed Description

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Conditions

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Hepatitis C, Chronic

Study Groups

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Cohort 1

(N = 10, genotype 1): (Active drug: 8, Matching Placebo: 2) 50 mg GS-6620 or placebo QD in the morning with food \[total daily dose (TDD) = 50 mg\] for 5 days

Group Type OTHER

GS-6620

Intervention Type DRUG

GS-6620 tablet, 50 mg QD

Cohort 2

(N = 10, genotype 1): (Active drug: 8, Matching Placebo: 2)

100 mg GS-6620 or placebo QD in the morning with food (TDD = 100 mg) for 5 days

Group Type OTHER

GS-6620

Intervention Type DRUG

GS-6620 tablet, 100 mg QD

Cohort 3

Cohort 3 (N = 10, genotype 1): (Active drug: 8, Matching Placebo: 2)

300 mg GS 6620 or placebo QD in the morning with food (TDD = 300 mg) for 5 days

Group Type OTHER

GS-6620

Intervention Type DRUG

GS-6620 tablet, 300 mg QD

Cohort 4

Cohort 4 (N = 10, genotype 1): (Active drug: 8, Matching Placebo: 2)

100 mg GS 6620 or placebo QD in the morning without food (TDD = 100 mg) for 5 days

Group Type OTHER

GS-6620

Intervention Type DRUG

GS-6620 tablet, 100 mg QD, Fasted

Cohort 5

Cohort 5 (N = 10, genotype 1): (Active drug: 8, Matching Placebo: 2)

300 mg GS 6620 or placebo QD in the morning without food (TDD = 300 mg) for 5 days

Group Type OTHER

GS-6620

Intervention Type DRUG

GS-6620 tablet, 300 mg QD, Fasted

Cohort 6

Cohort 6 (N = 10, genotype 2 or genotype 3): (Active drug: 8, Matching Placebo: 2)

900 mg GS 6620 or placebo QD in the morning without food (TDD = 900 mg) for 5 days

Group Type OTHER

GS-6620

Intervention Type DRUG

GS-6620 tablet, 900 mg QD, Fasted

Cohort 7

Cohort 7 (N = 10, genotype 1): (Active drug: 8, Matching Placebo: 2)

450 mg GS 6620 or placebo, administered BID with food (TDD = 900 mg) for 5 days

Group Type OTHER

GS-6620 tablet, 450 mg BID

Intervention Type DRUG

GS-6620 tablet, 450 mg BID

Cohort 9

Cohort 9 (N = 10, genotype 1): (Active drug: 8, Matching Placebo: 2)

900 mg GS 6620 or placebo BID in the with food (TDD = 1800 mg) for 5 days

Group Type OTHER

GS-6620 tablet

Intervention Type DRUG

GS-6620 tablet, 900mg , BID

Cohort 11

Cohort 11 (N = 10, genotype 1 : (Active drug: 8, Matching Placebo: 2)

Up to 450 mg GS-6620 or placebo as an oral solution, BID, 12 hours apart in the fasted state, 2 hours after a meal (up to TDD = up to 900 mg) for 5 days.

Group Type OTHER

GS-6620 tablet

Intervention Type DRUG

GS-6620 tablet, 900 mg

Interventions

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GS-6620

GS-6620 tablet, 50 mg QD

Intervention Type DRUG

GS-6620

GS-6620 tablet, 100 mg QD

Intervention Type DRUG

GS-6620

GS-6620 tablet, 300 mg QD

Intervention Type DRUG

GS-6620

GS-6620 tablet, 100 mg QD, Fasted

Intervention Type DRUG

GS-6620

GS-6620 tablet, 300 mg QD, Fasted

Intervention Type DRUG

GS-6620

GS-6620 tablet, 900 mg QD, Fasted

Intervention Type DRUG

GS-6620 tablet, 450 mg BID

GS-6620 tablet, 450 mg BID

Intervention Type DRUG

GS-6620 tablet

GS-6620 tablet, 900mg , BID

Intervention Type DRUG

GS-6620 tablet

GS-6620 tablet, 900 mg

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Adult subjects (18-60 years of age or up to 64 years of age with approval)
* Documented chronic HCV infection to be of at least 6 months duration and plasma HCV RNA ≥ 5 log10 IU/mL at screening.
* HCV treatment naïve
* Estimated creatinine clearance ≥ 80 mL/min,
* QTcF interval ≤ 450 msec, QRS duration \< 100 msec, PR interval \< 220 msec,
* Body mass index (BMI) of 19.0 to 34.0 kg/m2, inclusive.
* Eligible subjects must also be HCV treatment-naïve.

Exclusion Criteria

* Subjects with prior documentation of cirrhosis, excessive current alcohol intake, any evidence of hepatocellular carcinoma (i.e., α-fetoprotein \> 50 ng/mL or by any other standard of care measure)
* Urine drug screen positive for illicit/illegal drugs
* ALT and AST levels \> 5 times the upper limit of the normal range (ULN)
* Direct bilirubin \> ULN, clinical or other laboratory evidence of hepatic decompensation (i.e., platelets \< 100,000/mm3, prothrombin time ≥ 1.5 × ULN and albumin \< 3.5 g/dL) are not eligible for study participation.
* Subjects with an absolute neutrophil count (ANC) \< 1,000 cells/mm3 (\< 750 cells/mm3 for black or African-American subjects), hemoglobin (Hb) \< 11 g/dL,
* Coinfected with hepatitis B virus (HBV), human immunodeficiency virus (HIV), or another HCV genotype (other than type 1 for Cohorts 1-5 and type 2 or 3 for Cohort 6) are not eligible for study participation.
* Evidence of hepatocellular carcinoma
* Any sign of decompensated liver disease, including prothrombin time ≥ 1.5 X ULN, platelets \< 100,000/mm3 or albumin \< 3.5 g/dL at screening OR current or prior history of clinical hepatic decompensation (e.g., ascites, jaundice, encephalopathy or variceal hemorrhage)
* History of clinically-significant illness or any other major medical disorder that may interfere with subject treatment, assessment or compliance with the protocol
* History of a primary gastrointestinal disorder that could interfere with the absorption of the study drug or that could interfere with normal gastrointestinal anatomy or motility
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 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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Stephen Rossi, PharmD

Role: STUDY_DIRECTOR

Gilead Sciences

Locations

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Advanced Clinical Research Institute

Anaheim, California, United States

Site Status

Axis Clinical Trials

Los Angeles, California, United States

Site Status

Avail Clinical Research, LLC

DeLand, Florida, United States

Site Status

University of Florida - Gainesville

Gainesville, Florida, United States

Site Status

Orlando Immunology Center

Orlando, Florida, United States

Site Status

Orlando Clinical Research Center

Orlando, Florida, United States

Site Status

Saint Louis University

St Louis, Missouri, United States

Site Status

CRI Worldwide

Philadelphia, Pennsylvania, United States

Site Status

St. Luke Episcopal Hospital

Houston, Texas, United States

Site Status

Alamo Medical Research

San Antonio, Texas, United States

Site Status

Lifetree Clinical Research, LC

Salt Lake City, Utah, United States

Site Status

Charles River Clinical Services Northwest

Tacoma, Washington, United States

Site Status

Fundacion De Investigacion De Diego

San Juan, PR, Puerto Rico

Site Status

Countries

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United States Puerto Rico

Other Identifiers

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GS-US-119-0101

Identifier Type: -

Identifier Source: org_study_id

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