Xin Lang Zheng Quan·2025-10-12 15:13Core Insights - The recent milestone payment of $250 million from Bristol-Myers Squibb (BMS) to Sichuan Baili Tianheng Pharmaceutical Co., Ltd. (Baili Tianheng) marks a significant achievement in the domestic innovative drug sector, particularly for antibody-drug conjugates (ADCs) [1][2] - This payment is the largest single milestone payment disclosed for an ADC asset from a Chinese innovative pharmaceutical company, highlighting the successful progress of the drug's clinical trials and its promising efficacy [1][2] Group 1 - Baili Tianheng's subsidiary, SystImmune, Inc., is set to receive the $250 million payment, which is part of a collaboration agreement with BMS that includes a total potential transaction value of up to $8.4 billion [1][2] - The collaboration involves multiple global key registration studies, including late-stage trials for triple-negative breast cancer and advanced non-small cell lung cancer [2] - The partnership has overcome initial skepticism regarding BMS's history of returning products, as evidenced by the successful progression of the collaboration and the recent milestone payment [2] Group 2 - The agreement includes an initial payment of $800 million and two additional milestone payments of $250 million each, with potential additional payments reaching up to $7.1 billion based on development, registration, and sales milestones [2] - As of now, Baili Tianheng has effectively realized significant value from the Iza-bren project, even before its market launch, due to the substantial upfront and milestone payments received [2]