Study to Investigate the Safety and Efficacy of BRII-835 and BRII-179 Combination Therapy Treating Chronic Hepatitis B Virus (HBV) Infection

NCT ID: NCT04749368

Last Updated: 2024-06-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

91 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-04-12

Study Completion Date

2023-07-04

Brief Summary

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This is an open label, randomized, parallel-group study to evaluate the safety and efficacy of combination treatment BRII-835 (VIR-2218) and BRII-179 (VBI-2601) in adult participants with chronic HBV infection

Detailed Description

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Conditions

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Hepatitis B, Chronic

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Cohort A

Participants will receive BRII-835 (VIR-2218) for 32 weeks

Group Type EXPERIMENTAL

BRII-835 (VIR-2218)

Intervention Type DRUG

BRII-835 (VIR-2218) will be given by subcutaneous injection

Cohort B

Participants will receive BRII-835 (VIR-2218) and BRII-179 (VBI-2601) with IFN-α up to Week 40

Group Type EXPERIMENTAL

BRII-835 (VIR-2218)

Intervention Type DRUG

BRII-835 (VIR-2218) will be given by subcutaneous injection

BRII-179 (VBI-2601) with IFN-α

Intervention Type BIOLOGICAL

BRII-179 (VBI-2601) with IFN-α will be co-administered by intramuscular injection

Cohort C

Participant will receive BRII-835 (VIR-2218) and BRII-179 (VBI-2601) up to Week 40

Group Type EXPERIMENTAL

BRII-835 (VIR-2218)

Intervention Type DRUG

BRII-835 (VIR-2218) will be given by subcutaneous injection

BRII-179 (VBI-2601)

Intervention Type BIOLOGICAL

BRII-179 (VBI-2601) will be administered by intramuscular injection

Interventions

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BRII-835 (VIR-2218)

BRII-835 (VIR-2218) will be given by subcutaneous injection

Intervention Type DRUG

BRII-179 (VBI-2601) with IFN-α

BRII-179 (VBI-2601) with IFN-α will be co-administered by intramuscular injection

Intervention Type BIOLOGICAL

BRII-179 (VBI-2601)

BRII-179 (VBI-2601) will be administered by intramuscular injection

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Male or female aged 18 - 60
* Body mass index ≥ 18 kg/m\^2 and ≤ 32 kg/m\^2
* Chronic HBV infection as defined by a positive serum HBsAg for ≥ 6 months

Exclusion Criteria

* Any clinically significant chronic or acute medical condition that makes the volunteer unsuitable for participation
* Significant fibrosis or cirrhosis
* History or evidence of drug or alcohol abuse
* History of intolerance to SC or IM injection
* History of chronic liver disease from any cause other than chronic HBV infection
* History of hepatic decompensation
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Vir Biotechnology, Inc.

INDUSTRY

Sponsor Role collaborator

VBI Vaccines Inc.

INDUSTRY

Sponsor Role collaborator

Brii Biosciences Limited

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Xiaofei Chen

Role: STUDY_DIRECTOR

Brii Biosciences Limited

Locations

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Investigative Site 61002

Kingswood, New South Wales, Australia

Site Status

Investigative Site 61001

Westmead, New South Wales, Australia

Site Status

Investigative Site 61004

Herston, Queensland, Australia

Site Status

Investigative Site 88602

Changhua, Taiwan, , China

Site Status

Investigative Site 85201

Hong Kong, , China

Site Status

Investigative Site 85202

Hong Kong, , China

Site Status

Investigative Site 85203

Hong Kong, , China

Site Status

Investigative Site 88601

Kaohsiung, Taiwan, , China

Site Status

Investigative Site 88604

Kaohsiung, Taiwan, , China

Site Status

Investigative Site 85204

NEW Territories, Hong Kong, , China

Site Status

Investigative Site 88603

Taichung, Taiwan, , China

Site Status

Investigative Site 88605

Taipei CITY, , China

Site Status

Investigative Site 64002

Dunedin Central, Dunedin, New Zealand

Site Status

Investigative Site 64001

Auckland, , New Zealand

Site Status

Investigative Site 65001

Singapore, , Singapore

Site Status

Investigative Site 65002

Singapore, , Singapore

Site Status

Investigative Site 82004

Busan, , South Korea

Site Status

Investigative Site 82003

Seongnam-si, Gyeonggi-do, , South Korea

Site Status

Investigative Site 82001

Seoul, , South Korea

Site Status

Investigative Site 82005

Seoul, , South Korea

Site Status

Investigative Site 82002

Seoul, , South Korea

Site Status

Investigative Site 66001

Bangkok, , Thailand

Site Status

Investigative Site 66003

Chiang Mai, , Thailand

Site Status

Investigative Site 66002

Khon Kaen, , Thailand

Site Status

Investigative Site 66005

Nonthaburi, , Thailand

Site Status

Investigative Site 66006

Nonthaburi, , Thailand

Site Status

Investigative Site 66004

Pathum Thani, , Thailand

Site Status

Investigative Site 66007

Songkhla, , Thailand

Site Status

Countries

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Australia China New Zealand Singapore South Korea Thailand

References

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Ji Y, Le Bert N, Lai-Hung Wong G, Douglas MW, Lee A, Zhu C, Wang B, Lv J, Li D, Tan Y, Ma H, Chen J, Chen X, Zhu Q, Yuen MF, Bertoletti A. The Impact of Hepatitis B Surface Antigen Reduction via Small Interfering RNA Treatment on Natural and Vaccine (BRII-179)-Induced Hepatitis B Virus-Specific Humoral and Cellular Immune Responses. Gastroenterology. 2025 Jul;169(1):136-149. doi: 10.1053/j.gastro.2025.02.016. Epub 2025 Mar 3.

Reference Type DERIVED
PMID: 40043858 (View on PubMed)

Other Identifiers

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BRII-179-835-001

Identifier Type: -

Identifier Source: org_study_id

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