新诺威子公司SYS6023抗体偶联药物临床试验获批准

Core Viewpoint - The announcement highlights that New Horizon (新诺威) has received approval from the National Medical Products Administration for clinical trials of SYS6023, a HER3-targeted antibody-drug conjugate [2] Group 1: Product Development - SYS6023 is designed as a HER3-targeted antibody-drug conjugate that utilizes a self-developed topoisomerase I inhibitor as its payload [2] - The drug is intended to bind to specific receptors on tumor surfaces, allowing for internalization and subsequent release of toxins to kill tumor cells [2] - The payload of SYS6023 is not a substrate for efflux pumps, which is expected to help avoid resistance issues commonly seen with DXd class ADCs [2]