EGFR C797S x EGFR T790M x EGFR-Ex19del x Top I

This study is a randomized, Controlled, Open-Label, Multicenter Phase Ⅲ Study of SYS6010 vs Investigator's Choice Single-Agent Chemotherapy in Locally Advanced/Metastatic/Recurrent ESCC Patients with Failure of At Least One Line of Systemic Therapy

This study adopts a multi-center, open-label, non-randomized trial design. It plans to enroll patients with Advanced solid tumor. Dose-escalation and PK-expansion studies will be carried out to evaluate the safety, tolerability, and preliminary efficacy of sirolimus (albumin-bound) in combination with Different ADCs (DP303c/SYS6043/SYS6002/SYS6010) in this patient population, and to confirm the recommended phase 2 dose (RP2D).