A Study to Evaluate Tobevibart+Elebsiran Versus Bulevirtide in Chronic HDV Infection

NCT ID: NCT07142811

Last Updated: 2025-11-12

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

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-08-05

Study Completion Date

2031-04-30

Brief Summary

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A Study to Evaluate Tobevibart+Elebsiran versus Bulevirtide in Chronic HDV Infection

Detailed Description

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Conditions

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Viral Hepatitis

Keywords

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HDV Hepatitis D Virus Hepatitis Chronic Hepatitis D Virus Hepatitis D Hepatitis D, Chronic Hepatitis Delta Virus Digestive System Diseases Liver Diseases

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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Arm 1

Participants will receive treatment with tobevibart + elebsiran up to 240 weeks.

Group Type EXPERIMENTAL

Tobevibart

Intervention Type DRUG

Tobevibart administered by subcutaneous injection

Elebsiran

Intervention Type DRUG

Elebsiran administered by subcutaneous injection

Arm 2

Participants will receive Bulevirtide for approximately 48 weeks and switch to receive tobevibart + elebsiran for additional 192 weeks

Group Type EXPERIMENTAL

Tobevibart

Intervention Type DRUG

Tobevibart administered by subcutaneous injection

Elebsiran

Intervention Type DRUG

Elebsiran administered by subcutaneous injection

Bulevirtide

Intervention Type DRUG

Bulevirtide administered by subcutaneous injection

Interventions

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Tobevibart

Tobevibart administered by subcutaneous injection

Intervention Type DRUG

Elebsiran

Elebsiran administered by subcutaneous injection

Intervention Type DRUG

Bulevirtide

Bulevirtide administered by subcutaneous injection

Intervention Type DRUG

Other Intervention Names

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VIR-3434 VIR-2218 Hepcludex

Eligibility Criteria

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Inclusion Criteria

1. Male or female ages 18 to 70 years at screening
2. Positive HDV antibody or positive HDV RNA PCR result for at least 6 months prior to screening and HDV RNA ≥ 500 IU/mL at screening
3. Noncirrhotic or compensated cirrhotic liver disease at screening
4. On NRTI therapy against HBV for at least 12 weeks prior to day 1 or have HBV DNA \< 20 IU/ml at screening, currently on locally approved NRTI therapy

Exclusion Criteria

1. Serum ALT ≥ 5 × ULN
2. Any clinically significant chronic or acute medical or psychiatric condition that makes the participant unsuitable for participation.
3. History of significant liver disease from non-HBV or non-HDV etiology
4. History of allergic reactions, hypersensitivity, or intolerance to study drug, its metabolites, or excipients.
5. History of anaphylaxis
6. History of immune complex disease
7. History of autoimmune disorder
8. Current therapy or therapy within 24 weeks of screening with an immunomodulatory agent, immune checkpoint inhibitors, immunosuppressants, cytotoxic or chemotherapeutic agent, or chronic systemic corticosteroids.
9. Any previous treatment with Bulivertide
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Vir Biotechnology, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Investigative Site

Brussels, , Belgium

Site Status RECRUITING

Investigative Site

Brussels, , Belgium

Site Status RECRUITING

Investigative Site

Edegem, , Belgium

Site Status RECRUITING

Investigative Site

Sofia, , Bulgaria

Site Status RECRUITING

Investigative Site

Sofia, , Bulgaria

Site Status RECRUITING

Investigative Site

Stara Zagora, , Bulgaria

Site Status RECRUITING

Investigative Site

Clichy, , France

Site Status RECRUITING

Investigative Site

Créteil, , France

Site Status RECRUITING

Investigative Site

Limoges, , France

Site Status RECRUITING

Investigative Site

Rennes, , France

Site Status RECRUITING

Investigative Site

Toulouse, , France

Site Status RECRUITING

Investigative Site

Hanover, , Germany

Site Status RECRUITING

Investigative Site

Chisinau, , Moldova

Site Status RECRUITING

Investigative Site

Amsterdam, , Netherlands

Site Status RECRUITING

Investigative Site

Nijmegen, , Netherlands

Site Status RECRUITING

Investigative Site

Rotterdam, , Netherlands

Site Status RECRUITING

Investigative Site

Karachi, , Pakistan

Site Status RECRUITING

Investigative Site

Karachi, , Pakistan

Site Status RECRUITING

Investigative Site

Lahore, , Pakistan

Site Status RECRUITING

Investigative Site

Rawalpindi, , Pakistan

Site Status RECRUITING

Investigative Site

Bucharest, , Romania

Site Status RECRUITING

Investigative Site

Bucharest, , Romania

Site Status RECRUITING

Investigative Site

Bucharest, , Romania

Site Status RECRUITING

Investigative Site

Barcelona, , Spain

Site Status RECRUITING

Investigative Site

Madrid, , Spain

Site Status RECRUITING

Investigative

Valencia, , Spain

Site Status RECRUITING

Investigative Site

Kyiv, , Ukraine

Site Status RECRUITING

Investigative Site

London, , United Kingdom

Site Status RECRUITING

Investigative Site

London, , United Kingdom

Site Status RECRUITING

Investigative Site

Manchester, , United Kingdom

Site Status RECRUITING

Investigative Site

Nottingham, , United Kingdom

Site Status RECRUITING

Countries

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Belgium Bulgaria France Germany Moldova Netherlands Pakistan Romania Spain Ukraine United Kingdom

Central Contacts

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Study Inquiry

Role: CONTACT

Phone: 415-654-5281

Email: [email protected]

Other Identifiers

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VIR-CHDV-V206

Identifier Type: -

Identifier Source: org_study_id