This clinical trial is focused on studying a type of lung cancer known as extensive-stage small cell lung cancer (ES-SCLC). The study will explore the effects of a combination treatment that includes the medications pembrolizumab and lenvatinib, along with chemotherapy drugs carboplatin and etoposide. Pembrolizumab is administered as a solution for infusion, while lenvatinib is taken in capsule form. The purpose of the study is to evaluate the safety and effectiveness of this combination treatment in patients who are receiving their first line of treatment for this type of lung cancer.
The study will be conducted in two parts. In the first part, the focus will be on assessing the safety and tolerability of lenvatinib when used with pembrolizumab and chemotherapy. This means checking how well patients can handle the treatment and identifying any side effects. In the second part, the study will look at how long patients can live without their cancer getting worse, which is known as progression-free survival. This will help determine if the combination treatment is effective in controlling the cancer.
Participants in the study will receive the treatment over a period of time, with regular monitoring by healthcare professionals. The study aims to provide valuable information on the potential benefits and risks of using pembrolizumab and lenvatinib together with chemotherapy for treating extensive-stage small cell lung cancer. This research could contribute to improving treatment options for patients with this type of cancer.



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