CStone Pharmaceuticals Receives FDA Clearance for CS2009 Phase II Trial in Solid Tumors
Feb 16, 2026
CStone Pharmaceuticals has received FDA clearance for its IND application to initiate a Phase II trial of CS2009, a trispecific antibody targeting PD-1, VEGFA, and CTLA-4, in patients with advanced solid tumors across nine cancer indications.