An old target that found new life at Monte Rosa Therapeutics Inc. has become the subject of a sizeable deal between the company and Novartis AG, as the pair set about developing molecular glue degraders (MGDs). Shares of Monte Rosa (NASDAQ:GLUE) closed Oct. 28 at $9.48, up $4.59, or 93.9%, on word of the Boston-based firm’s deal with Novartis to advance VAV1 MGDs, including MRT-6160, a prospect undergoing a phase I single ascending dose/multiple ascending dose study in healthy volunteers for immune-mediated conditions.