康方生物再次赢下头对头临床研究 中国创新药在全球肺癌诊疗上挑起大梁

Core Viewpoint - The head-to-head trial results of Iwosimab (PD-1/VEGF dual antibody) against the PD-1 therapy from BeiGene demonstrate significant clinical benefits, marking a milestone in the treatment of squamous non-small cell lung cancer (sq-NSCLC) [1][2][3] Group 1: Clinical Trial Results - Iwosimab combined with chemotherapy showed strong positive results compared to BeiGene's Tislelizumab combined with chemotherapy in a pivotal Phase III trial (AK112-306/HARMONi-6) for advanced sq-NSCLC [1] - The trial results indicate statistically significant benefits and major clinical advantages, which are expected to enhance treatment options for sq-NSCLC patients [2][3] - Iwosimab has previously demonstrated a doubling of median progression-free survival (mPFS) in a head-to-head trial against Merck's Keytruda (Pembrolizumab) [2] Group 2: Market Impact and Company Performance - Following the announcement of the trial results, Kangfang Biopharma's stock surged over 10%, reaching a historical high of 100 HKD per share, with a cumulative increase of over 40% in recent times [2] - The sales figures for Tislelizumab are projected to be 3.806 billion CNY in 2023 and 4.467 billion CNY in 2024, indicating its status as a leading domestic PD-1 therapy [2] Group 3: Industry Trends and Innovations - The Chinese innovative drug sector is increasingly taking the lead in lung cancer treatment, with a notable shift from "follower" to "leader" status in various therapeutic areas [6] - The latest National Medical Insurance directory includes 12 new drugs for lung cancer treatment, reflecting the growing innovation in the Chinese pharmaceutical industry [6] - The overall five-year survival rate for late-stage lung cancer patients in China has improved from 5% during the chemotherapy era to 20%-30% currently, although it still lags behind the overall cancer survival rate of 43% [6] Group 4: Future Prospects - Kangfang Biopharma is expected to release international multi-center Phase III clinical data for Iwosimab in 2025, which could lead to a submission for FDA approval if results are positive [8] - The company emphasizes the importance of head-to-head trials to establish the clinical value of new therapies against existing standards [4][5]