Clinical trial NCT02378961: Safety and Efficacy of Voxilaprevir Plus Sofosbuvir/Velpatasvir Fixed Dose Combination in Adults With Chronic Non-Genotype 1 HCV Infection
Official title: A Phase 2, Global, Multicenter, Open-Label Study to Investigate the Safety and Efficacy of GS-9857 Plus Sofosbuvir/GS-5816 Fixed Dose Combination in Subjects With Chronic Non-Genotype 1 HCV Infection
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE2
Conditions: Hepatitis C Virus Infection
Lead sponsor: Gilead Sciences
Sponsor class: INDUSTRY
First posted: 2015-03-04
Enrollment: 128
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: NON_RANDOMIZED
Intervention model: SEQUENTIAL
Primary purpose: TREATMENT

Brief summary: The primary objectives of the study are to evaluate the safety, tolerability, and efficacy of voxilaprevir (VOX) plus sofosbuvir/velpatasvir (SOF/VEL) fixed dose combination (FDC) in adults with chronic non genotype 1 hepatitis C virus (HCV) infection.


Eligibility criteria: Key Inclusion Criteria:

* Individuals with chronic HCV infection
* HCV RNA ≥10\^4 IU/mL at screening
* HCV genotypes 2, 3, 4, 5, or 6
* Cirrhosis determination; a liver biopsy may be required
* Screening laboratory values within defined thresholds
* Use of two contraception methods if female of childbearing potential or sexually active male

Key Exclusion Criteria:

* Pregnant or nursing female
* Current or prior history of hepatic decompensation
* Hepatocellular carcinoma (HCC) or other clinically significant malignancy
* Infection with hepatitis B virus (HBV) or human immunodeficiency virus (HIV)
* History of clinically significant illness or any other medical disorder that may interfere with the individual's treatment, assessment or compliance with the protocol

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

Primary outcomes:
measure: Percentage of Participants With Sustained Virologic Response 12 Weeks After Discontinuation of Therapy (SVR12)
timeFrame: Posttreatment Week 12
measure: Percentage of Participants Who Permanently Discontinued Any Study Drug Due to an Adverse Event
timeFrame: Up to 12 Weeks
Secondary outcomes:
measure: Percentage of Participants With Sustained Virologic Response 4 and 24 Weeks After Discontinuation of Therapy (SVR4 and SVR24)
timeFrame: Posttreatment Weeks 4 and 24
measure: Percentage of Participants With HCV RNA < LLOQ on Treatment
timeFrame: Baseline through end of treatment (Week 6, Week 8 or Week 12, as applicable)
measure: HCV RNA Change From Baseline
timeFrame: Baseline through end of treatment (Week 6, Week 8 or Week 12, as applicable)
measure: Percentage of Participants With Virologic Failure
timeFrame: Up to Posttreatment Week 24
Other outcomes:
Locations:
city: Los Angeles
country: United States
facility: Cedars Sinai Medical Center
state: California
city: Palo Alto
country: United States
facility: Stanford University
state: California
city: Pasadena
country: United States
facility: Huntington Memorial Hospital Liver Center
state: California
city: San Diego
country: United States
facility: Medical Associates Research Group, Inc.
state: California
city: Aurora
country: United States
facility: University of Colorado
state: Colorado
city: Jacksonville
country: United States
facility: Borland-Groover Clinic
state: Florida
city: Miami
country: United States
facility: University of Miami
state: Florida
city: Orlando
country: United States
facility: Orlando Immunology center
state: Florida
city: Wellington
country: United States
facility: South Florida Center of Gastroenterology, P.A.
state: Florida
city: Atlanta
country: United States
facility: Center for Hep C/Atlanta Medical Center
state: Georgia
city: Marietta
country: United States
facility: Gastrointestinal Specialists of Georgia, PC
state: Georgia
city: Chicago
country: United States
facility: University of Chicago
state: Illinois
city: Indianapolis
country: United States
facility: Indiana University School of Medicine
state: Indiana
city: Indianapolis
country: United States
facility: Indianapolis Gastroenterology & Hepatology, Inc.
state: Indiana
city: Boston
country: United States
facility: Beth Isreal Deconess Medical Center
state: Massachusetts
city: Boston
country: United States
facility: Massachusetts General Hospital
state: Massachusetts
city: Detroit
country: United States
facility: Henry Ford Hospital and Health System
state: Michigan
city: Hillsborough
country: United States
facility: ID Care
state: New Jersey
city: Santa Fe
country: United States
facility: Southwest Care Center
state: New Mexico
city: Manhasset
country: United States
facility: North Shore/Long Island Jewish PRIME
state: New York
city: New York
country: United States
facility: Mount Sinai Beth Israel
state: New York
city: Fayetteville
country: United States
facility: Cumberland Research Associates, LLC
state: North Carolina
city: Winston-Salem
country: United States
facility: Digestive Health Specialists, PA
state: North Carolina
city: Philadelphia
country: United States
facility: University of Pennsylvania Health Systems
state: Pennsylvania
city: Pittsburgh
country: United States
facility: UPMC Center for Liver Diseases
state: Pennsylvania
city: Charleston
country: United States
facility: Medical University of South Carolina
state: South Carolina
city: Germantown
country: United States
facility: Gastro One
state: Tennessee
city: Nashville
country: United States
facility: Nashville Gastrointestinal Specialists Inc.
state: Tennessee
city: San Antonio
country: United States
facility: Texas Liver Institute
state: Texas
city: Richmond
country: United States
facility: Liver Institute of Virginia
state: Virginia
city: Seattle
country: United States
facility: Swedish Medical
state: Washington
city: Christchurch
country: New Zealand
facility: Christchurch Clinical Studies Trust
city: Grafton
country: New Zealand
facility: Auckland Clinical Studies
city: San Juan
country: Puerto Rico
facility: Fundacion de Investigacion de Diego
Study officials:
affiliation: Gilead Sciences
name: Gilead Study Director
role: STUDY_DIRECTOR
References:
citation: Gane EJ, Kowdley KV, Pound D, Stedman CA, Davis M, Etzkorn K, Gordon SC, Bernstein D, Everson G, Rodriguez-Torres M, Tsai N, Khalid O, Yang JC, Lu S, Dvory-Sobol H, Stamm LM, Brainard DM, McHutchison JG, Tong M, Chung RT, Beavers K, Poulos JE, Kwo PY, Nguyen MH. Efficacy of Sofosbuvir, Velpatasvir, and GS-9857 in Patients With Hepatitis C Virus Genotype 2, 3, 4, or 6 Infections in an Open-Label, Phase 2 Trial. Gastroenterology. 2016 Nov;151(5):902-909. doi: 10.1053/j.gastro.2016.07.038. Epub 2016 Jul 30.