NCT06897579 2026-04-28Carboplatin/Cisplatin + Etoposide + Benmelstobart Sequential Benmelstobart Combined With Anlotinib Versus Carboplatin/Cisplatin + Etoposide + Tislelizumab Sequential Tislelizumab in the Treatment of Extensive Stage Small Cell Lung CancerChia Tai Tianqing Pharmaceutical Group Co., Ltd.Phase 2 Terminated40 enrolled