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Completed

NCT Number: NCT02300103

Efficacy And Safety Of Sofosbuvir/Velpatasvir Fixed Dose Combination With Ribavirin in Chronic HCV Infected Adults Who Participated in a Prior Gilead Sponsored HCV Treatment Study

The primary objective of this study is to evaluate the efficacy, safety and tolerability of treatment with sofosbuvir/velpatasvir (Epclusa®; SOF/VEL) with ribavirin (RBV) for 24 weeks in adults with chronic hepatitis C virus (HCV) infection who participated in a prior Gilead sponsored study and did not achieve sustained virologic response (SVR).

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Key information

Conditions

Hepatitis C Virus Infection Blood-Borne Infections Communicable Diseases Digestive System Diseases Flaviviridae Infections Hepatitis Hepatitis C Hepatitis, Viral, Human Infections Liver Diseases RNA Virus Infections Virus Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

Darlinghurst, New South Wales, Australia

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Key Inclusion Criteria:

  • Willing and able to provide written informed consent
  • HCV genotype determined by the Central Laboratory
  • HCV RNA > LLOQ at screening
  • Participated and completed a Gilead sponsored HCV treatment study of direct acting antiviral (DAA) containing regimens.
  • Male and female of childbearing potential must agree to use protocol specified method(s) of contraception

Key Exclusion Criteria:

  • Current or prior history: Clinically-significant illness (other than HCV) or any other major medical disorder that may interfere with treatment, assessment or compliance with the protocol; individuals currently under evaluation for a potentially clinically-significant illness (other than HCV) are also excluded.
  • Screening ECG with clinically significant abnormalities
  • Laboratory results outside of acceptable ranges at screening
  • Infection with hepatitis B virus (HBV) or human immunodeficiency virus (HIV)

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

Treatment and study plan

SOF/VEL

Drug

400/100 mg FDC tablet administered orally once daily

Other names: GS-7977/GS-5816, Epclusa®

RBV

Drug

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

Primary outcomes

  1. 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 < the lower limit of quantitation (LLOQ) 12 weeks following the last dose of study drug.

  2. Percentage of Participants Who Permanently Discontinued Any Study Drug Due to an Adverse Event

    Time frame: Up to 24 weeks

Secondary outcomes

  1. Percentage of Participants With Sustained Virologic Response 4 and 24 Weeks After Discontinuation of Therapy (SVR4 and SVR24)

    Time frame: Posttreatment Weeks 4 and 24

    SVR4 and SVR24 are defined as HCV RNA < LLOQ at 4 and 24 weeks following the last dose of study drug.

  2. Percentage of Participants With HCV RNA < LLOQ On-treatment

    Time frame: Baseline to Week 24

  3. HCV RNA Change From Baseline

    Time frame: Baseline to Week 24

  4. Percentage of Participants With Virologic Failure

    Time frame: Up 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

Sponsors and collaborators

Lead sponsor

Gilead Sciences

Industry

Registry information

Official study title

An Open Label Study to Evaluate The Efficacy And Safety Of Sofosbuvir/GS-5816 Fixed Dose Combination With Ribavirin For 24 Weeks In Chronic HCV Infected Subjects Who Participated In A Prior Gilead Sponsored HCV Treatment Study

Important dates

Study start
2014
Primary completion
2016
Study completion
2016
First posted
Nov 24, 2014
Registry last updated
Nov 16, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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