Nurix Therapeutics and Roche sign a BTK degrader partnership worth up to $2.3 billion, supporting Phase 3 plans for bexobrutideg.

Potentially worth up to $2.3 billion, the collaboration is a bet that drugs able to eliminate the “BTK” enzyme will prove superior to existing medicines that block its activity.

Roche pledges $700 million to join research on the drug bexobrutideg.