Zheng Quan Ri Bao Zhi Sheng·2025-10-13 06:36Core Insights - Sichuan Baili Tianheng Pharmaceutical Co., Ltd. has achieved a milestone in its global Phase II/III clinical trial IZABRIGHT-Breast01, triggering a $250 million milestone payment from Bristol-Myers Squibb (BMS) [1][2] - The total potential transaction value of the collaboration with BMS could reach up to $8.4 billion, setting a record for single-drug licensing in the ADC field [2] Group 1 - The milestone payment is the largest disclosed for a single ADC asset in domestic innovative drug overseas transactions [1] - SystImmune, a wholly-owned subsidiary of the company, will receive the payment for overseas drug development [1] - The collaboration includes joint development and commercialization of the first-in-class EGFR×HER3 dual antibody ADC, iza-bren (BL-B01D1), which is currently in Phase III clinical trials [1][2] Group 2 - BMS will pay an initial $800 million, along with two $250 million milestone payments, with additional payments potentially reaching $7.1 billion based on development, registration, and sales milestones [2] - The company is conducting three global key registration studies for late-stage triple-negative breast cancer, EGFR-TKI resistant late-stage non-small cell lung cancer, and treated late-stage metastatic urothelial carcinoma [2] - The company plans to present safety and efficacy data for iza-bren in Western solid tumor patients at the upcoming ESMO conference on October 17 [2] Group 3 - The company has multiple innovative drugs in clinical research, including iza-bren (BL-B01D1) and T-Bren (BL-M07D1), with nearly 90 clinical trials ongoing globally [3] - The company's first ARC (antibody-radiolabeled conjugate) drug, BL-ARC001, has recently received clinical trial approval from the National Medical Products Administration [3] - The company aims to become a leading multinational corporation (MNC) in the oncology treatment field, focusing on global expansion [3]