Core Viewpoint - Heng Rui Medicine (600276) has received a confirmation letter from the FDA regarding the acceptance of its biologics license application for injection of Carrelizumab combined with Apatinib for first-line treatment of unresectable or metastatic hepatocellular carcinoma patients [1] Group 1: Company Updates - The FDA has accepted the biologics license application for Carrelizumab, indicating progress in the company's drug development pipeline [1] - The total R&D investment for Carrelizumab-related projects has reached approximately 319.74 million yuan (unaudited) [1] Group 2: Industry Context - Several PD-1 monoclonal antibodies have been approved and are available in the market, including Pembrolizumab (Merck, brand name Keytruda), Nivolumab (Bristol-Myers Squibb, brand name Opdivo), Cemiplimab (Regeneron Pharmaceuticals, brand name Libtayo), and Dostarlimab (GlaxoSmithKline, brand name Jemperli) [1] - The global sales of anti-PD-1 antibodies are projected to reach approximately $41.546 billion in 2024 [1]