Sofosbuvir/Velpatasvir in Adults With Chronic Hepatitis C Virus Infection Who Are on Dialysis for End Stage Renal Disease (SOF/VEL ESRD)

February 18, 2020 updated by: Gilead Sciences

A Phase 2, Multicenter, Open-Label Study to Evaluate the Efficacy and Safety of Sofosbuvir/Velpatasvir for 12 Weeks in Subjects With Chronic HCV Infection Who Are on Dialysis for End Stage Renal Disease

The primary objectives of this study are to evaluate safety, efficacy, and tolerability of treatment with sofosbuvir/velpatasvir (SOF/VEL) for 12 weeks in adults on dialysis for end stage renal disease (ESRD) with chronic hepatitis C virus (HCV) infection of any genotype.

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.
59

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

  • Australia
    • South Australia
      • Adelaide, South Australia, Australia, 5000
        • Royal Adelaide Hospital
  • Canada
    • Alberta
      • Edmonton, Alberta, Canada
        • Kaye Edmonton Clinic
    • British Columbia
      • Vancouver, British Columbia, Canada, BC V5Z 1M9
        • Gordon and Leslie Diamond Health Care Center, Vancouver General Hospital, UBC Division of Gastroenterology
    • Ontario
      • Brampton, Ontario, Canada
        • William Osler Health System- Brampton Civic Hospital
      • Hamilton, Ontario, Canada, ON L8V
        • Hamilton Health Sciences - McMaster University Medical Centre Site
      • Ottawa, Ontario, Canada, K1H 8L6
        • Ottawa Hospital Research Institute
    • Quebec
      • Montréal, Quebec, Canada, H2X 3J4
        • Centre de Recherche du Centre Hospitalier de l'Université de Montreal (CRCHUM)
  • Israel
      • Jerusalem, Israel, 9103102
        • Shaare Zedek Medical Center
      • Ramat Gan, Israel, 52173
        • The Chaim Sheba Medical Centre
      • Tel Aviv, Israel, 64239
        • Tel Aviv Sourasky Medical Center
  • New Zealand
    • Auckland
      • Grafton, Auckland, New Zealand, 1010
        • Auckland City Hospital
  • Spain
      • Barcelona, Spain, 08035
        • Hospital Universitari Vall d'Hebron
      • Majadahonda, Spain, 28222
        • Hospital Universitario Puerta de Hierro - Majadahonda
      • Sevilla, Spain, 41013
        • Hospital Universitario Virgen del Rocio
    • Madrid
      • Alcorcón, Madrid, Spain, 28922
        • Hospital Universitario Fundacion Alcorcon
  • United Kingdom
      • Glasgow, United Kingdom, G12 0YN
        • Gartnavel General Hospital
      • London, United Kingdom, SE5 9RS
        • King's College Hospital
      • London, United Kingdom, SW10 9NH
        • Chelsea and Westminster Hospital
      • London, United Kingdom, E1 1BB
        • Barts Health NHS Trust
      • London, United Kingdom, W2 1NY
        • Imperial College Healthcare NHS Trust
      • Nottingham, United Kingdom, NG5 1PB
        • Nottingham University Hospitals NHS Trust
      • Plymouth, United Kingdom, PL6 8DH
        • Derriford Hospital

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

Key Inclusion Criteria:

  • Chronic HCV infected, male and non-pregnant/non-lactating females aged 18 years or older who are on dialysis for ESRD, including adults with HIV co-infection if they are suppressed on a stable, protocol-approved antiretroviral (ARV) regimen for ≥8 weeks prior to screening.

NOTE: Other protocol defined Inclusion/ Exclusion criteria may apply.

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: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

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: SOF/VEL
SOF/VEL for 12 weeks
Drug: SOF/VEL
400/100 mg fixed-dose combination (FDC) tablet(s) administered orally once daily
Other Names:
  • Epclusa®
  • GS-7977/GS-5816

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 was defined as HCV RNA < the lower limit of quantitation (LLOQ; ie, 15 IU/mL) 12 weeks after stopping the study treatment.
Posttreatment Week 12
Percentage of Participants Who Permanently Discontinued the Study Drug Due to an Adverse Event
Time Frame: First dose date up to Week 12
First dose date up to Week 12

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 With Sustained Virologic Response 4 Weeks After Discontinuation of Therapy (SVR4)
Time Frame: Posttreatment Week 4
SVR4 was defined as HCV RNA < LLOQ 4 weeks after stopping study treatment.
Posttreatment Week 4
Percentage of Participants With Sustained Virologic Response 24 Weeks After Discontinuation of Therapy (SVR24)
Time Frame: Posttreatment Week 24
SVR24 was defined as HCV RNA < LLOQ 24 weeks after stopping study treatment.
Posttreatment Week 24
Change From Baseline in HCV RNA
Time Frame: Baseline; Weeks 2, 4, 6, 8, and 12
Baseline; Weeks 2, 4, 6, 8, and 12
Percentage of Participants With HCV RNA < LLOQ on Treatment
Time Frame: Weeks 2, 4, 6, 8, and 12
Weeks 2, 4, 6, 8, and 12
Percentage of Participants With Virologic Failure
Time Frame: Baseline to Posttreatment Week 24

Virologic failure was defined as:

  • On-treatment virologic failure:

    • 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)

  • Virologic relapse:

    • Confirmed HCV RNA ≥ LLOQ during the posttreatment period having achieved HCV RNA < LLOQ at last on-treatment visit
Baseline to Posttreatment Week 24
Number of Participants Who Develop Viral Resistance (as Assessed by Presence of HCV NS5A and NS5B Genes) to SOF and VEL During Treatment and After Discontinuation of Treatment
Time Frame: First dose date up to Posttreatment Week 24
Baseline deep sequencing of the HCV NS5A and NS5B genes was performed for all participants. For all participants with virologic failure, deep sequencing was performed at the first time point after virologic failure if the plasma or serum sample was available and HCV RNA was > 1000 IU/mL.
First dose date up to Posttreatment Week 24
Pharmacokinetic (PK) Parameter: AUCtau of SOF
Time Frame: Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
AUCtau is defined as the population PK derived area under the concentration versus time curve of the drug over the dosing interval.
Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
PK Parameter: AUCtau of GS-331007 (Metabolite of SOF)
Time Frame: Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
AUCtau is defined as the population PK derived area under the concentration versus time curve of the drug over the dosing interval.
Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
PK Parameter: AUCtau of VEL
Time Frame: Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
AUCtau is defined as the population PK derived area under the concentration verses time curve of the drug over the dosing interval.
Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
PK Parameter: Cmax of SOF
Time Frame: Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
Cmax is defined as the population PK derived maximum concentration of the drug.
Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
PK Parameter: Cmax of GS-331007 (Metabolite of SOF)
Time Frame: Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
Cmax is defined as the population PK derived maximum concentration of the drug.
Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
PK Parameter: Cmax of VEL
Time Frame: Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
Cmax is defined as the population PK derived maximum concentration of the drug.
Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
PK Parameter: Ctau of VEL
Time Frame: Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))
Ctau is defined as the population PK derived concentration of the drug at the end of a 24 hour dosing interval. The 24 hour Ctau is estimated based on the combination of sparse PK samples collected at random times across the dosing interval as well as intensive PK samples collected for up to 12 hours post-dose.
Sparse PK samples at Weeks 6, 8, and 12 (all participants). Intensive PK samples at predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hours postdose once at Week 6, 8, or 12 (participants who enrolled in the optional PK substudy (N=1))

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 (Actual)

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.
March 22, 2017

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.
August 13, 2018

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.
November 7, 2018

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).
January 27, 2017

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.
January 27, 2017

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.
January 30, 2017

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.
March 6, 2020

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.
February 18, 2020

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.
November 1, 2019

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-342-4062
  • 2016-003625-42 (EudraCT Number)

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 https://www.gilead.com/science-and-medicine/research/clinical-trials-transparency-and-data-sharing-policy.

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
  • Statistical Analysis Plan (SAP)

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

Yes

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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