Why Is Cancer-Focused Mersana Therapeutics Stock Trading Lower On Friday?
On Friday, Mersana Therapeutics Inc. (NASDAQ:MRSN) released initial data from the Phase 1 dose escalation and backfill cohorts for emiltatug ledadotin. Emi-Le was generally well tolerated, with no Grade 4 or 5 treatment-related adverse events reported. At intermediate doses in the trial (38.1 mg/m2 to 67.4 mg/m2), the confirmed objective response rate among evaluable patients was 23% (6 of 26 patients) across all B7-H4 high tumors and 23% (3 of 13 patients) with B7-H4 high TNBC, all of whom had