Efficacy and Safety of Sofosbuvir Containing Regimens for the Treatment of Chronic HCV Infection in Participants With Chronic Genotype 1, 2, 3, or 6 HCV Infection

October 19, 2018 updated by: Gilead Sciences

A Phase 2, Multicenter, Open-Label Study to Assess the Efficacy and Safety of Sofosbuvir Containing Regimens for the Treatment of Chronic HCV Infection

The purpose of this study is to evaluate the antiviral efficacy, safety, tolerability of combination therapy with sofosbuvir (SOF) containing regimens for the treatment of chronic hepatitis C virus (HCV) infection.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
359

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • New Zealand
      • Auckland, New Zealand
        • Auckland Clinical Studies Ltd.
      • Christchurch, New Zealand
        • Christchurch Clinical Studies Trust

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Chronic genotype 1, 2, 3, or 6 HCV infection
  • Cirrhosis determination; a liver biopsy may be required
  • Screening laboratory values within defined thresholds
  • Use of two effective contraception methods if female of childbearing potential or sexually active male

Exclusion Criteria:

  • Pregnant or nursing female or male with pregnant female partner
  • Hepatocellular carcinoma (HCC) or other malignancy (with exception of certain resolved skin cancers)
  • Chronic use of systemic immunosuppressive agents
  • History of clinically significant illness or any other medical disorder that may interfere with the individual's treatment, assessment or compliance with the protocol

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: NONE

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
EXPERIMENTAL: Cohort 1,Group 1: LDV/SOF + RBV 12 wk (GT1 SOF retreatment)
LDV/SOF + RBV for 12 weeks in participants with genotype 1 HCV infection and who failed to achieve sustained virologic response (SVR) in a previous Gilead sofosbuvir study
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 1,Group 2:SOF+Peg-IFN+RBV 12 wk (GT2,3 SOF retreatment)
SOF + PEG + RBV for 12 weeks in participants with genotype 2 or 3 HCV infection and who failed to achieve SVR in a previous Gilead sofosbuvir study
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: SOF
SOF 400 mg tablet administered orally once daily
Other Names:
  • Sovaldi®
  • GS-7977
Drug: Peg-IFN
pegylated interferon (Peg-IFN) 180 µg administered subcutaneously once weekly
Other Names:
  • Pegasys®
EXPERIMENTAL: Cohort 2,Group 1: LDV/SOF+RBV 12 wk (GT 1 TE, liver disease)
LDV/SOF+RBV for 12 weeks in treatment-experienced participants with genotype 1 HCV infection and advanced liver fibrosis or compensated liver fibrosis
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 2,Group 2: LDV/SOF+GS-9669 12wk (GT1 TE, liver disease)
LDV/SOF + GS-9669 for 12 weeks in treatment-experienced participants with genotype 1 HCV infection and advanced liver fibrosis or compensated liver fibrosis
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
Drug: GS-9669
GS-9669 500 mg (2 × 250 mg tablet) administered orally once daily
EXPERIMENTAL: Cohort 2,Group 3: LDV/SOF 12 wk (GT3 TN)
LDV/SOF for 12 weeks in treatment-naive participants with genotype 3 HCV infection
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 2,Group 4: LDV/SOF+RBV 12 wk (GT3 TN)
LDV/SOF + RBV for 12 weeks in treatment-naive participants with genotype 3 HCV infection
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 2,Group 5: LDV/SOF 12 wk (GT6 TE/TN)
LDV/SOF for 12 weeks in treatment-naive or treatment-experienced participants with genotype 6 HCV infection
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 2,Group 6: LDV/SOF+RBV 12 wk (GT3 TE)
LDV/SOF + RBV for 12 weeks in treatment-experienced participants with genotype 3 HCV infection
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 3,Group 1: LDV/SOF 12 wk (GT1 cirrhotic CPT B)
LDV/SOF for 12 weeks in participants with genotype 1 HCV infection and Child-Pugh Turcotte (CPT) B cirrhosis
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 4,Group 1: SOF+VEL 25mg 8 wk (GT3 TN noncirrhotic)
SOF+VEL (25 mg) for 8 weeks in treatment-naive noncirrhotic participants with genotype 3 HCV infection
Drug: SOF
SOF 400 mg tablet administered orally once daily
Other Names:
  • Sovaldi®
  • GS-7977
Drug: VEL
Velpatasvir (VEL) tablet(s) administered orally once daily
Other Names:
  • GS-5816
EXPERIMENTAL: Cohort 4,Group 2:SOF+VEL 25mg+RBV 8 wk (GT3 TN noncirrhotic)
SOF+VEL(25 mg)+RBV for 8 weeks in treatment-naive noncirrhotic participants with genotype 3 HCV infection
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: SOF
SOF 400 mg tablet administered orally once daily
Other Names:
  • Sovaldi®
  • GS-7977
Drug: VEL
Velpatasvir (VEL) tablet(s) administered orally once daily
Other Names:
  • GS-5816
EXPERIMENTAL: Cohort 4,Group 3: SOF+VEL 100mg 8 wk (GT3 TN noncirrhotic)
SOF+VEL (100 mg) for 8 weeks in treatment-naive noncirrhotic participants with genotype 3 HCV infection
Drug: SOF
SOF 400 mg tablet administered orally once daily
Other Names:
  • Sovaldi®
  • GS-7977
Drug: VEL
Velpatasvir (VEL) tablet(s) administered orally once daily
Other Names:
  • GS-5816
EXPERIMENTAL: Cohort 4,Group 4: SOF+VEL 100mg+RBV 8 wk (GT3 TN noncirrhotic)
SOF+VEL (100 mg)+RBV for 8 weeks in treatment-naive noncirrhotic participants with genotype 3 HCV infection
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: SOF
SOF 400 mg tablet administered orally once daily
Other Names:
  • Sovaldi®
  • GS-7977
Drug: VEL
Velpatasvir (VEL) tablet(s) administered orally once daily
Other Names:
  • GS-5816
EXPERIMENTAL: Cohort 5,Group 1: LDV/SOF + RBV 24 wk (SOF retreatment)
LDV/SOF+RBV for 24 weeks in participants with genotype 1, 2, 3, or 6 HCV infection and who failed to achieve SVR in a previous Gilead sofosbuvir study
Drug: RBV
Ribavirin (RBV) 200 mg tablets administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75 kg = 1000 mg and ≥ 75 kg = 1200 mg)
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977
EXPERIMENTAL: Cohort 6,Group 1: LDV/SOF 12 wk (GT1, HBV coinfection)
LDV/SOF for 12 weeks in participants with genotype 1 HCV and hepatitis B virus (HBV) coinfection
Drug: LDV/SOF
Ledipasvir/sofosbuvir (LDV/SOF) (90 /400 mg) fixed-dose combination (FDC) tablet administered orally once daily
Other Names:
  • Harvoni®
  • GS-5885/GS-7977

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Sustained Virologic Response 12 Weeks After Discontinuation of Therapy (SVR12)
Time Frame: Posttreatment Week 12
SVR12 is defined as HCV RNA < lower limit of quantification (LLOQ) at 12 weeks after stopping study treatment.
Posttreatment Week 12
Percentage of Participants With Adverse Events Leading to Permanent Discontinuation of Study Drug(s)
Time Frame: Up to 24 weeks plus 30 days
Up to 24 weeks plus 30 days

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants Experiencing Viral Relapse
Time Frame: Up to Posttreatment Week 24
Viral relapse is defined as HCV RNA ≥ LLOQ during the post-treatment period having achieved HCV RNA < LLOQ at end of treatment, confirmed with 2 consecutive values or last available post-treatment measurement.
Up to Posttreatment Week 24
Percentage of Participants With HCV RNA < LLOQ (15 IU/mL) While on Treatment
Time Frame: Weeks 1 and 2
Weeks 1 and 2
Percentage of Participants With HCV RNA < LLOQ (15 IU/mL) While on Treatment
Time Frame: Weeks 4, 6, and 8
Weeks 4, 6, and 8
Percentage of Participants With HCV RNA < LLOQ (15 IU/mL) While on Treatment
Time Frame: Week 10
Week 10
Percentage of Participants With HCV RNA < LLOQ (15 IU/mL) While on Treatment
Time Frame: Week 12
Week 12
Percentage of Participants With HCV RNA < LLOQ (15 IU/mL) While on Treatment
Time Frame: Weeks 16, 20, and 24
Weeks 16, 20, and 24
Percentage of Participants With HCV RNA < LLOQ (15 IU/mL) at 2, 4, 8, and 24 Weeks After Discontinuation of Therapy (SVR2, SVR4, SVR8, and SVR 24)
Time Frame: Posttreatment Weeks 2, 4, 8, and 24
Posttreatment Weeks 2, 4, 8, and 24
For Cohort 6, Percentage of Participants With HCV RNA < LLOQ (15 IU/mL) at 16 and 20 Weeks After Discontinuation of Therapy (SVR16 and SVR 20)
Time Frame: Posttreatment Weeks 16 and 20
Posttreatment Weeks 16 and 20
Percentage of Participants With On-treatment Virologic Failure
Time Frame: Up to Posttreatment Week 24

On-treatment virologic failure was defined as:

  • Breakthrough (confirmed HCV RNA ≥ LLOQ after having previously had HCV RNA < LLOQ while on treatment), or
  • Rebound (confirmed > 1 log10 IU/mL increase in HCV RNA from nadir while on treatment), or
  • Non-response (HCV RNA persistently ≥ LLOQ through 8 weeks of treatment)
Up to Posttreatment Week 24

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Gilead Sciences

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2013

Primary Completion (ACTUAL)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
March 1, 2015

Study Completion (ACTUAL)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
May 1, 2015

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 1, 2013

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 4, 2013

First Posted (ESTIMATE)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 9, 2013

Study Record Updates

Last Update Posted (ACTUAL)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
November 16, 2018

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 19, 2018

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
September 1, 2016

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • GS-US-337-0122

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Qualified external researchers may request IPD for this study after study completion. For more information, please visit our website at http://www.gilead.com/research/disclosure-and-transparency.

IPD Sharing Time Frame

18 months after study completion

IPD Sharing Access Criteria

A secured external environment with username, password, and RSA code.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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