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VIR-2218

Phase 2

Hepatitis B, Chronic | Small molecule | Infectious Disease |Alnylam Pharmaceuticals, Inc.|Last Updated: Aug 26, 2024

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment21
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04507269Study of VIR-2218 in Patients With Chronic Hepatitis B in Mainland ChinaPHASE2 COMPLETED 21Aug 18, 2020Sep 30, 2021Aug 26, 20242 China
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Study Endpoints
Primary Endpoints
Incidence of Treatment-emergent Adverse Events (TEAEs)
up to 48 weeks

Number of participants with treatment-emergent adverse events (TEAEs) as assessed by CTCAE v5.0 are summarized by cohort. Incidence is defined as the number of participants with TEAEs in relation to the total number of participants in the cohort. TEAEs are defined as any AEs with an onset date of on or after the study drug start date and no later than 30 days after permanent discontinuation of study drug.

Clinical Assessments Including But Not Limited to Laboratory Test Results
up to 48 weeks

Number of participants with graded hematology, coagulation, chemistry abnormalities, and clinically significant abnormalities in vital signs and ECGs

Secondary Endpoints
PK: Maximum Plasma Concentration
Maximum plasma concentrations were calculated based on all above results for Day 1 and Day 29 (Week 4).
PK: Time to Reach Maximum Plasma Concentration
Time to Cmax were calculated based on all above results for Day 1 and Day 29 (Week 4).
PK: Area Under the Plasma Concentration Versus Time Curve to Last Measurable Timepoint
Area under the curve were calculated based on all above results for Day 1 and Day 29 (Week 4).
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
VIR-2218EXPERIMENTALDrug: VIR-2218 VIR-2218 given by subcutaneous injection
PlaceboPLACEBO_COMPARATORDrug: Placebo Saline given by subcutaneous injection
Interventions
NameTypeDescription
VIR-2218DRUGVIR-2218 given by subcutaneous injection
PlaceboDRUGSaline given by subcutaneous injection
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites2

Inclusion Criteria: * Male or female age 18 - 65; * Weight ≥ 40 kg to ≤ 125 kg; * 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; *...

Countries:China
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