A Randomized, Open-Label, Phase 3 Study of ZL-1310, a DLL3 Antibody-Drug Conjugate (ADC), Compared to Investigator's Choice Therapy in Participants With Relapsed Small Cell Lung Cancer

Inclusion Criteria: * Age \>/= 18 years, or considered an adult by local regulations, at the time of consent * Signed informed consent * Histologically or cytologically confirmed SCLC. Received 1L platinum-based systemic therapy and had documented disease progression during or after the most recent systemic therapy. Or received 2L tarlatamab is allowed. * Measurable disease according to RECIST v1.1 as assessed by the investigator. * Participants with a history of treated and stable or untreated and asymptomatic CNS metastases based on criteria per protocol. * Adequate organ and marrow functio…