Core Insights - Heng Rui Medicine's subsidiary, Suzhou Shengdiya Biopharmaceutical Co., Ltd., has received approval from the National Medical Products Administration for the clinical trial of injection-based Rukang Qutuzumab [1] - The drug is set to be launched in China in May 2025, targeting adult patients with unresectable locally advanced or metastatic non-small cell lung cancer (NSCLC) who have HER2 (ERBB2) activating mutations and have previously received at least one systemic treatment [1] Group 1 - Rukang Qutuzumab works by binding to HER2-expressing tumor cells, leading to internalization and release of toxins in the tumor cell lysosome, which induces cell cycle arrest and triggers tumor cell apoptosis [2] - The released toxins exhibit high membrane permeability and can exert bystander killing effects, enhancing anti-tumor efficacy [2] - Similar products already on the market include Roche's Ado-trastuzumab emtansine and AstraZeneca's Fam-trastuzumab deruxtecan, both of which have been launched in China [2] Group 2 - The global sales of similar products are projected to reach approximately $6.557 billion from 2024 onwards [2] - The cumulative R&D investment for Rukang Qutuzumab has reached approximately 141.475 million yuan [2]