Prnewswireยท2025-07-22 17:01Core Insights - IDEAYA Biosciences and Jiangsu Hengrui Pharmaceuticals announced an oral presentation on IDE849 (SHR-4849) at the IASLC 2025 World Conference on Lung Cancer, focusing on its efficacy and safety in small-cell lung cancer (SCLC) patients [1][3] - IDE849 is a potential first-in-class DLL3-targeting Topoisomerase-1 (TOP1) payload antibody drug conjugate (ADC), addressing significant unmet medical needs in various solid tumors [1][3] Group 1: Presentation Details - The oral presentation will take place on September 7, 2025, from 4:45-6:00 PM (CET) and will cover a Phase 1 study of SHR-4849 (IDE849) in relapsed SCLC [4] - A poster presentation will also be held on September 8, 2025, discussing the combination mechanism and pre-clinical synergy data between TOP1-payload based ADCs and IDE161, a proprietary PARG inhibitor [2][5] Group 2: Clinical Development - The Phase 1 trial for IDE849 is ongoing in China, with data from over 70 SCLC patients expected to be presented, including results from dose escalation and multiple expansion doses [6] - The U.S. Phase 1 trial of IDE849 in SCLC patients was initiated in the third quarter of 2025 [6] Group 3: Company Strategy - IDEAYA aims to evaluate rational combinations of therapies to improve clinical outcomes for cancer patients, including the use of IDE849 as a monotherapy and in combination with immunotherapy and IDE161 [2][3] - The company has a robust pipeline focused on synthetic lethality and ADCs, including bispecifics, to address unmet medical needs in cancer [7]