This clinical trial is focused on studying a type of lung cancer known as extensive-disease small cell lung cancer (ED-SCLC), which shows high levels of a protein called SLFN11. The study is testing the effects of adding a medication called niraparib to a treatment plan that includes a type of medicine known as an anti-PD-L1 antibody. These antibodies, such as atezolizumab and durvalumab, are used to help the immune system fight cancer. Niraparib is a tablet that works by blocking certain enzymes in cancer cells, which may help stop the cancer from growing.
The purpose of this study is to see how effective the combination of niraparib and anti-PD-L1 antibodies is in treating patients with this specific type of lung cancer. Patients who participate in the study will receive the treatment over a period of time, and their health will be monitored to see how the cancer responds. The study will also compare the effects of the treatment with a placebo to better understand its benefits.
Participants will receive the treatment through an intravenous infusion, which means the medicine is given directly into a vein, and they will also take niraparib in tablet form. The study aims to provide more information on how well this combination works in preventing the cancer from getting worse and improving overall survival rates. The results will help determine if this treatment approach can be a beneficial option for patients with this type of lung cancer.



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