Mirum Pharmaceuticals Acquires Bluejay Therapeutics

January 26, 2026

Mirum Pharmaceuticals has completed the acquisition of Bluejay Therapeutics, adding brelovitug — a late‑stage monoclonal antibody for chronic hepatitis delta virus (HDV) — to its rare liver disease pipeline. The deal gives Mirum worldwide rights to the AZURE Phase 3 program and includes a combination of cash and Mirum common stock with potential sales‑based milestone payments; Mirum also raised approximately $268.5M in concurrent financing to support development and commercialization.

Buyers
Mirum Pharmaceuticals
Targets
Bluejay Therapeutics
Industry
Pharmaceuticals
Location
United States
Transaction Type
Buyout

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