GSK's ADC Drug Gets FDA's Breakthrough Tag for Rare Bone Cancer
GSK plc GSK announced that the FDA has granted a Breakthrough Therapy Designation to its investigational B7-H3-targeted antibody-drug conjugate (ADC), GSK5764227 (GSK’227), for the treatment of relapsed or refractory osteosarcoma in adult patients whose disease progressed on at least two prior lines of therapy.