Status:

ACTIVE_NOT_RECRUITING

A Study to Evaluate Tobevibart + Elebsiran in Chronic HDV Infection

Lead Sponsor:

Vir Biotechnology, Inc.

Conditions:

Viral Hepatitis

Eligibility:

All Genders

18-70 years

Phase:

PHASE3

Brief Summary

This is a multicenter, open label, randomized Phase 3 clinical study to evaluate the efficacy and safety of the combination of tobevibart + elebsiran for the treatment of chronic hepatitis delta in co...

Eligibility Criteria

Inclusion

  • Male or female ages 18 to 70 years at screening
  • Chronic HDV infection for \>/= 6 months
  • 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
  • Serum ALT \> ULN and \< 5x ULN
  • Non-cirrhotic or Compensated Cirrhotic Liver Disease at screening

Exclusion

  • Any clinically significant chronic or acute medical or psychiatric condition that makes the participant unsuitable for participation.
  • History of significant liver disease from non-HBV or non-HDV etiology
  • History of allergic reactions, hypersensitivity, or intolerance to study drug, its metabolites, or excipients.
  • History of anaphylaxis
  • History of immune complex disease
  • History of autoimmune disorder
  • History or evidence of alcohol or drug abuse within 6 months before screening or a positive drug screen at screening unless it can be explained by a prescribed medication

Key Trial Info

Start Date :

March 12 2025

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 1 2031

Estimated Enrollment :

124 Patients enrolled

Trial Details

Trial ID

NCT06903338

Start Date

March 12 2025

End Date

May 1 2031

Last Update

November 14 2025

Active Locations (39)

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Page 1 of 10 (39 locations)

1

Investigative Site

Chandler, Arizona, United States, 85224

2

Investigative Site

Los Angeles, California, United States, 90033

3

Investigative Site

Redwood City, California, United States, 94063

4

Investigative Site

San Francisco, California, United States, 94143