Sanofi to Acquire DR-0201 Program from Dren Bio

March 20, 2025

Sanofi has agreed to acquire DR-0201, a CD20-directed bispecific myeloid cell engager, through purchase of Dren Bio’s affiliate Dren-0201 for an upfront $600 million and up to $1.3 billion in milestone payments. The deal, aimed at broadening Sanofi’s immunology pipeline and advancing deep B-cell depletion approaches, is expected to close in Q2 2025 subject to regulatory approvals; Dren Bio will continue to operate independently to advance its broader pipeline.

Buyers
Sanofi
Targets
Dren-0201 (affiliate of Dren Bio), Dren Bio, Inc.
Sellers
Dren Bio, Inc.
Industry
Biotechnology
Location
California, United States
Transaction Type
Buyout

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