SHANGHAI, March 18, 2024 /PRNewswire/ -- KeChow Pharma, a commercial-stage pharmaceutical company focused on developing and commercializing differentiated small molecule therapeutics for cancer, today announced that the China National Medical Products Administration (NMPA) has approved tunlametinib (HL-085) for the treatment of patients with NRAS mutated advanced melanoma who were previously treated with PD-1/PD-L1. This is the first approved targeted therapy for this patient population and the first product originated from KeChow's in-house research and development activities since the company's inception.