Trial intelligence / Profile preview

Brelovitug vs Delayed Treatment for Chronic Hepatitis Delta Infection (AZURE-4)

NCT07298330Phase 3

Key facts

Status
Active, not recruiting
Start
Jan 2026
Primary completion
Aug 2026
Countries
10
Modality
Engineered Antibody Formats, Antibody Conjugates, Monoclonal Antibodies
Conditions
chronic hepatitis D
01

Overview

Phase 3, randomised, open-label trial of brelovitug in chronic hepatitis D (3 arms), sponsored by Mirum Pharmaceuticals, Inc. Primary endpoint: Composite endpoint of virologic response and ALT normalization at 24 weeks. Started Jan 2026; status: active, not recruiting.

02

Design

3 arms
Study design
RandomizedOpen-label
  • Brelovitug 300 mg

    Brelovitug 300 mg subcutaneously once weekly for 96 weeks.

  • Brelovitug 900 mg

    Brelovitug 900 mg subcutaneously once every 4 weeks for 96 weeks.

  • Delayed treatment with brelovitug 300 mg

    12 weeks of delayed treatment followed by brelovitug 300 mg once weekly for 96 weeks.

03

Who it enrols

Participants must have chronic HDV infection with HDV RNA >500 IU/mL and ALT >ULN, and be willing to take or already taking HBV nucleos(t)ide therapy. Pregnant/nursing females, those with clinical hepatic decompensation, solid organ/bone marrow transplant, or other liver diseases are excluded.

04

Endpoints

Primary

  • Composite endpoint of virologic response and ALT normalization

Secondary

  • Treatment-emergent adverse events

  • Discontinuation of treatment due to an adverse event

  • HDV RNA ≥ 2 log10 IU/mL decline from baseline or TND

  • HDV RNA below lower limit of quantification

  • HDV RNA below lower limit of quantification, Target Not Detected

  • Alanine aminotransferase normalization

  • ALT normalization in combination with virologic response of HDV RNA ≥ 2 log10 IU/mL decline from baseline or <LLOQ, TND

  • ALT normalization in combination with HDV RNA <LLOQ

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