CStone Pharmaceuticals announced that the U.S. Food and Drug Administration (FDA) has cleared the Investigational New Drug $(IND)$ application for its core asset, CS2009, a PD-1/VEGF/CTLA-4 trispecific antibody. This clearance enables CStone to initiate a Phase II clinical trial of CS2009 in patients with advanced solid tumors. The company stated that this development represents a significant milestone in the global advancement of its innovative immunotherapy pipeline.
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