RecruitingPhase 3Drug trialStudy of LY01610 in Patients With Recurrent Small Cell Lung CancerThis is a multicenter,randomized, open label, active-controlled, parallel-group study comparing efficacy and safety of LY01610(Irinotecan hydrochloride liposome Injection) and Topotecan in Patients with Recurrent Small Cell Lung Cancer (SCLC)