Core Viewpoint - Merck has entered into a collaboration with Blackstone Life Sciences to fund the global development of sac-TMT, with Blackstone providing $700 million for research and development through 2026, indicating strong future sales potential for sac-TMT [1][2] Group 1: Collaboration Details - Blackstone will pay Merck $700 million, which is non-refundable but subject to termination clauses, to support part of the R&D costs for sac-TMT in 2026 [1] - In return, Blackstone is entitled to receive a low to mid-single-digit percentage royalty on the net sales of sac-TMT for all approved indications, contingent upon regulatory approval for triple-negative breast cancer [1] Group 2: Clinical Development - Merck is actively advancing sac-TMT's clinical development, with 15 global Phase III trials ongoing for six types of tumors, including lung cancer and breast cancer [2] - In China, a total of 8 Phase III trials related to sac-TMT are being conducted by Kelun-Botai, focusing on various combinations and indications [2] Group 3: Clinical Efficacy - Sac-TMT has shown strong efficacy in EGFR-mutant non-small cell lung cancer (NSCLC) after TKI resistance, with an overall response rate (ORR) of 60.6% compared to 43.1% for chemotherapy, and a median progression-free survival (mPFS) of 8.3 months versus 4.3 months [3] - The overall survival (OS) analysis indicated a 40% reduction in the risk of death for sac-TMT compared to chemotherapy, with a hazard ratio (HR) of 0.6 [3][4] Group 4: Market Potential and Financial Projections - Sac-TMT is the first antibody-drug conjugate (ADC) to show significant OS benefits compared to platinum-based chemotherapy in patients who have progressed after TKI treatment, marking a significant advancement in treatment options [4] - The company projects revenues of 2.084 billion, 2.876 billion, and 4.663 billion yuan for 2025-2027, with net profits expected to improve from -622 million to 561 million yuan [4]
科伦博泰生物-B(06990.HK)：黑石和默沙东达成7亿美元合作 加速SAC-TMT全球化开发进程