RecruitingPhase 3Drug trialA Study of AK112 as Consolidation Treatment for Patients With Limited Stage Small-cell Lung Cancer Who Have Not Progressed Following Concurrent Chemoradiation TherapyThis is a randomized, double-blind, phase III clinical study to compare the efficacy and safety of AK112 to placebo as consolidation treatment for patients with limited stage small cell lung cancer who have not progressed following concurrent chemoradiation therapy.