A Multicenter, Open-label, Randomized, Prospective Clinical Study of Adebrelimab Consolidation Therapy for Limited-Stage Small-Cell Lung Cancer (LS-SCLC) Without Progression After Concurrent Chemoradiotherapy

This study aims to evaluate the efficacy and safety of adebrelimab consolidation therapy after progression-free response of concurrent chemoradiotherapy in patients with limited-stage small cell lung cancer. This study plans to enroll patients with untreated limited-stage small cell lung cancer who meet the inclusion criteria. The eligible patients will be randomly divided 1:1 into two groups to receive treatment regimens for residual lymph nodes and involved irradiated areas. That is, carboplatin AUC 5, D1 + etoposide 100 mg/m…\^2 on days 1, 2, and 3 + thoracic radiotherapy (residual lymph nodes or involved irradiated areas), with each 3-week cycle. After 4 cycles of concurrent chemoradiotherapy, the non-progressing subjects will continue to receive adebrelimab (1200 mg, IV, Q3W) maintenance therapy.

NCT Number	NCT07559786
Lead Sponsor	Henan Cancer Hospital
Conditions	SCLC, Limited Stage
Enrollment	200 participants
Start Date	2026-07-17
Primary Completion	2029-07-17 (estimated)
Study Completion	2029-07-17 (estimated)
Updated on ClinicalTrials.gov	2026-07-21