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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT05612581




Registration number
NCT05612581
Ethics application status
Date submitted
3/11/2022
Date registered
10/11/2022
Date last updated
20/02/2024

Titles & IDs
Public title
A Platform Study to Evaluate Investigational Therapies in Chronic Hepatitis B Infection
Scientific title
A Platform Study Evaluating the Efficacy and Safety of Investigational Therapies in Participants With Chronic Hepatitis B Infection (PREVAIL)
Secondary ID [1] 0 0
VIR-MHB1-V200
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Condition category
Condition code

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Experimental: ADG206 dose escalation -

Experimental: SHR-1921 -

Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Clinical characterisation of the ASD-Phen1 and ASD-Phen2 subpopulations.
Timepoint [1] 0 0
Day 0

Eligibility
Key inclusion criteria
* Male or female ages 18 or older
* Chronic HBV infection for >/= 6 months
* Chronic HBV infection defined as a positive serum HBsAg, HBV DNA, or HBeAg on 2 occasions at least 6 months apart based on previous or current laboratory documentation
* STRIVE: HBeAg positive or negative, HBV DNA > 2,000 IU/mL, ALT > ULN and = 5x ULN
* THRIVE: Must be/have the following, within the 1-year period prior to screening: HBeAg negative, HBV DNA = 2,000 IU/mL, ALT = ULN
Minimum age
18 Years
Maximum age
66 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
* Any clinically significant chronic or acute medical condition that makes the participant unsuitable for participation
* History of clinically significant liver disease from non-HBV etiology
* History or current evidence of hepatic decompensation
* Co-infection with human immunodeficiency virus (HIV), hepatitis A virus (HAV), hepatitis C virus (HCV), hepatitis D virus (HDV) or hepatitis E virus (HEV).
* History or clinical evidence of alcohol or drug abuse
* STRIVE and THRIVE: Significant fibrosis or cirrhosis
* STRIVE and THRIVE: History of immune complex disease
* STRIVE and THRIVE: History of autoimmune disorder
* STRIVE and THRIVE: History of allergic reactions, hypersensitivity, or intolerance to monoclonal antibodies, antibody fragments, or any excipients of VIR-3434
* STRIVE: Prior NRTI or PEG-IFN therapy
* STRIVE: History of known contraindication to any interferon product
* THRIVE: Prior NRTI therapy < 24 weeks of study or any prior PEG-IFN therapy

Study design
Purpose of the study
Treatment
Allocation to intervention
Non-randomised trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Parallel
Other design features
Phase
Phase 1
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Active, not recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Vir Biotechnology, Inc.
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Study Inquiry
Address 0 0
Country 0 0
Phone 0 0
415-654-5281
Fax 0 0
Email 0 0
Contact person for scientific queries

No information has been provided regarding IPD availability


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

No documents have been uploaded by study researchers.