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Sofosbuvir/Velpatasvir Fixed Dose Combination for 12 Weeks in Adults With Chronic HCV Infection (ASTRAL-1)

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Gilead Sciences

Status and phase

Completed
Phase 3

Conditions

Hepatitis C Virus Infection

Treatments

Drug: Placebo
Drug: SOF/VEL

Study type

Interventional

Funder types

Industry

Identifiers

NCT02201940
GS-US-342-1138
2014-001683-35 (EudraCT Number)

Details and patient eligibility

About

The primary objectives of this study are to evaluate the efficacy, safety, and tolerability of sofosbuvir/velpatasvir (SOF/VEL) fixed dose combination (FDC) for 12 weeks in adults with chronic genotype 1, 2, 4, 5, or 6 hepatitis C virus (HCV) infection.

Enrollment

741 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Willing and able to provide written informed consent
  • HCV RNA ≥ 10^4 IU/mL at screening
  • HCV genotype 1, 2, 4, 5, 6, or indeterminate assessed at screening by the central laboratory
  • Chronic HCV infection (≥ 6 months) documented by prior medical history or liver biopsy
  • Classification as treatment naive or treatment experienced
  • Males and females of childbearing potential who engage in heterosexual intercourse must agree to use protocol specified method(s) of contraception

Exclusion criteria

  • Current or prior history of 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
  • Prior exposure to SOF or other nucleotide analogue HCV NS5B inhibitor or any HCV NS5A inhibitor
  • Infection with hepatitis B virus (HBV) or human immunodeficiency virus (HIV)

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

741 participants in 2 patient groups, including a placebo group

SOF/VEL
Experimental group
Description:
SOF/VEL for 12 weeks
Treatment:
Drug: SOF/VEL
Placebo
Placebo Comparator group
Description:
SOF/VEL placebo for 12 weeks
Treatment:
Drug: Placebo

Trial contacts and locations

80

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Data sourced from clinicaltrials.gov

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