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A Phase 2 Study to Evaluate Efficacy, Safety and Tolerability of VIR-2218 and VIR-3434 in Participants with Chronic Hepatitis D Virus Infection (SOLSTICE)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-512203-40-00
Acronym
VIR-CHDV-V201
Enrollment
119
Registered
2024-09-16
Start date
2022-11-24
Completion date
Unknown
Last updated
2025-11-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Hepatitis D Virus (HDV) Infection

Brief summary

Proportion of participants with undetectable HDV RNA (< LOD) or ≥ 2 log10 decrease in HDV RNA from baseline and alanine aminotransferase (ALT) normalization (ALT < upper limit of normal [ULN]) at Week 24., Treatment-emergent adverse events (TEAEs) and serious adverse events (SAEs)

Detailed description

Proportion of participants with undetectable HDV RNA (< LOD) or ≥ 2 log10 decrease in HDV RNA from baseline and ALT normalization at Week 12, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with undetectable HDV RNA (< LOD) or ≥ 2 log10 decrease in HDV RNA from baseline at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with undetectable HDV RNA (< LOD) at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with HDV RNA < lower limit of quantitation (LLOQ) at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Change from baseline in HDV RNA at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with ALT normalization at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Incidence of ADA and titers of ADA to VIR-3434 at specified study visits up to Week 192 (for cohorts with VIR-3434)., Change from baseline in liver fibrosis at Week 48, Week 96, Week 144, and Week 192., Change from baseline in Model for End Stage Liver Disease (MELD) score at Week 12, Week 24, Week 36, Week 48, Week 60, Week 72, Week 84, Week 96, Week 144, and Week 192., Change from baseline CPT score at Week 24, Week 48, Week 72, Week 96, Week 144, and Week 192.

Interventions

Sponsors

Vir Biotechnology Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Proportion of participants with undetectable HDV RNA (< LOD) or ≥ 2 log10 decrease in HDV RNA from baseline and alanine aminotransferase (ALT) normalization (ALT < upper limit of normal [ULN]) at Week 24., Treatment-emergent adverse events (TEAEs) and serious adverse events (SAEs)

Secondary

MeasureTime frame
Proportion of participants with undetectable HDV RNA (< LOD) or ≥ 2 log10 decrease in HDV RNA from baseline and ALT normalization at Week 12, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with undetectable HDV RNA (< LOD) or ≥ 2 log10 decrease in HDV RNA from baseline at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with undetectable HDV RNA (< LOD) at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with HDV RNA < lower limit of quantitation (LLOQ) at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Change from baseline in HDV RNA at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Proportion of participants with ALT normalization at Week 12, Week 24, Week 48, Week 72, Week 96, Week 144 and Week 192., Incidence of ADA and titers of ADA to VIR-3434 at specified study visits up to Week 192 (for cohorts with VIR-3434)., C

Countries

Bulgaria, France, Germany, Italy, Netherlands, Romania

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026