This clinical trial is focused on studying a type of lung cancer known as limited-stage small cell lung cancer (LS-SCLC). This is a form of cancer that affects the lungs and is typically treated with a combination of chemotherapy and radiation therapy. The study is investigating the use of two medications, Toripalimab and Tifcemalimab, as potential treatments for patients who have not experienced disease progression after receiving standard treatments.
The purpose of the study is to evaluate the effectiveness of these medications when used as a follow-up treatment, also known as consolidation therapy, to help prevent the cancer from returning or worsening. Participants in the study will receive either Toripalimab alone, a combination of Toripalimab and Tifcemalimab, or a placebo. The study is designed to compare the outcomes of these different treatment approaches.
During the study, participants will receive the medications through an intravenous (IV) infusion, which means the medicine is given directly into a vein. The study will monitor participants over a period of time to assess their overall survival and how long they remain free from cancer progression. The trial aims to provide valuable information on whether these treatments can improve outcomes for patients with LS-SCLC.



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