Study to Evaluate the Safety, Tolerability, and Efficacy of Vesatolimod in Combination With Tenofovir Disoproxil Fumarate (TDF) in Adults With Chronic Hepatitis B (CHB) Infection Who Are Currently Not Being Treated

NCT ID: NCT02579382

Last Updated: 2020-05-18

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

192 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-11-10

Study Completion Date

2019-05-03

Brief Summary

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The primary objectives of this study are to evaluate the safety, tolerability, and efficacy of vesatolimod (formerly GS-9620) in adults with chronic hepatitis B (CHB) infection who are currently not being treated.

Detailed Description

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Conditions

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Chronic Hepatitis B

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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TDF + placebo

Main Study Phase: Tenofovir disoproxil fumarate (TDF) 300 mg tablets orally once daily for up to 48 weeks + placebo administered orally once a week (every 7 days) for 12 doses.

Optional Treatment Extension Phase: At Week 48 participants had the option to continue TDF 300 mg tablets orally once daily up to Week 144.

Group Type PLACEBO_COMPARATOR

TDF

Intervention Type DRUG

300 mg tablets administered orally once daily

Placebo

Intervention Type DRUG

Placebo administered orally once a week (every 7 days) for 12 doses

TDF + Vesatolimod 1 mg

Main Study Phase:TDF 300 mg tablets orally once daily for up to 48 weeks + vesatolimod 1 mg tablet orally once a week (every 7 days) for 12 doses.

Optional Treatment Extension Phase: At Week 48 participants had the option to continue TDF 300 mg tablets orally once daily up to Week 144.

Group Type EXPERIMENTAL

TDF

Intervention Type DRUG

300 mg tablets administered orally once daily

Vesatolimod

Intervention Type DRUG

Tablets administered orally once a week (every 7 days) for 12 doses

TDF + Vesatolimod 2 mg

Main Study Phase: TDF 300 mg tablets orally once daily for up to 48 weeks + vesatolimod 2 mg tablet orally once a week (every 7 days) for 12 doses.

Optional Treatment Extension Phase: At Week 48 participants had the option to continue TDF 300 mg tablets orally once daily up to Week 144.

Group Type EXPERIMENTAL

TDF

Intervention Type DRUG

300 mg tablets administered orally once daily

Vesatolimod

Intervention Type DRUG

Tablets administered orally once a week (every 7 days) for 12 doses

TDF + Vesatolimod 4 mg

Main Study Phase: TDF 300 mg tablets orally once daily for up to 48 weeks + vesatolimod 4 mg tablet orally once a week (every 7 days) for 12 doses.

Optional Treatment Extension Phase: At Week 48 participants had the option to continue TDF 300 mg tablets orally once daily up to Week 144.

Group Type EXPERIMENTAL

TDF

Intervention Type DRUG

300 mg tablets administered orally once daily

Vesatolimod

Intervention Type DRUG

Tablets administered orally once a week (every 7 days) for 12 doses

Interventions

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TDF

300 mg tablets administered orally once daily

Intervention Type DRUG

Vesatolimod

Tablets administered orally once a week (every 7 days) for 12 doses

Intervention Type DRUG

Placebo

Placebo administered orally once a week (every 7 days) for 12 doses

Intervention Type DRUG

Other Intervention Names

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Viread® GS-9620

Eligibility Criteria

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Inclusion Criteria

* Adult males or females between the ages of 18-65
* Chronic hepatitis B virus (HBV) infection
* HBV deoxyribonucleic acid (DNA ) ≥ 2000 IU/mL at screening

Exclusion Criteria

* Extensive bridging fibrosis or cirrhosis
* Received oral antiviral treatment for HBV or prolonged therapy with immune-modulators or biologics within 3 months of screening
* Co-infection with hepatitis C virus (HCV), human immunodeficiency virus (HIV) or hepatitis D virus (HDV)
* Chronic liver disease other than HBV
* Lactating or pregnant females or those that wish to become pregnant during the course of the study
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Gilead Sciences

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Gilead Study Director

Role: STUDY_DIRECTOR

Gilead Sciences

Locations

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Los Angeles, California, United States

Site Status

Palo Alto, California, United States

Site Status

San Diego, California, United States

Site Status

San Francisco, California, United States

Site Status

Honolulu, Hawaii, United States

Site Status

Catonsville, Maryland, United States

Site Status

Boston, Massachusetts, United States

Site Status

Flushing, New York, United States

Site Status

Philadelphia, Pennsylvania, United States

Site Status

Toronto, Ontario, Canada

Site Status

Kowloon, , Hong Kong

Site Status

Bologna, , Italy

Site Status

Milan, , Italy

Site Status

Pisa, , Italy

Site Status

San Giovanni Rotondo, , Italy

Site Status

Grafton, Auckland, New Zealand

Site Status

Daegu, , South Korea

Site Status

Seoul, , South Korea

Site Status

Dalin, , Taiwan

Site Status

Kaohsiung City, , Taiwan

Site Status

London, , United Kingdom

Site Status

Countries

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United States Canada Hong Kong Italy New Zealand South Korea Taiwan United Kingdom

References

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Agarwal K, Ahn SH, Elkhashab M, Lau AH, Gaggar A, Bulusu A, Tian X, Cathcart AL, Woo J, Subramanian GM, Andreone P, Kim HJ, Chuang WL, Nguyen MH. Safety and efficacy of vesatolimod (GS-9620) in patients with chronic hepatitis B who are not currently on antiviral treatment. J Viral Hepat. 2018 Nov;25(11):1331-1340. doi: 10.1111/jvh.12942. Epub 2018 Aug 22.

Reference Type RESULT
PMID: 29851204 (View on PubMed)

Younossi ZM, Stepanova M, Janssen H, Agarwal K, Nguyen MH, Gane EJ, et al. The impact of treatment of chronic hepatitis B (CHB) on patient reported outcomes (PROs). Poster 1924. AASLD 2017. Hepatology; 66:1020A, 2017.

Reference Type RESULT

Lau A, Joshi A, Nguyen AH, Gaggar A, Patterson SD, Woo J. Peripheral blood immune cell profiling in virally suppressed chronic hepatitis B (CHB) patients and CHB patients not on an oral antiviral therapy. HBV International Meeting 2017.

Reference Type RESULT

Other Identifiers

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2015-002017-30

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

GS-US-283-1062

Identifier Type: -

Identifier Source: org_study_id

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