Overview Surufatinib Combined With Irinotecan as a Second-line Treatment for Small Cell Lung Cancer Status: Not yet recruiting Trial end date: 2025-09-30 Target enrollment: Participant gender: Summary To evaluate the clinical efficacy and safety of surufatinib combined with irinotecan in the second line treatment of small cell lung cancer. Phase: Phase 2 Details Lead Sponsor: Fujian Cancer HospitalTreatments: Irinotecan