This clinical trial is focused on studying a type of lung cancer known as Non-Small Cell Lung Cancer (NSCLC) that has a specific genetic change called RET fusion. The study is comparing a new treatment called Pralsetinib with standard treatments that include various chemotherapy drugs. These standard treatments may involve medications such as Pemetrexed, Carboplatin, Cisplatin, Gemcitabine, Paclitaxel, and Pembrolizumab. The purpose of the study is to see if Pralsetinib can help patients live longer without their cancer getting worse compared to the usual treatments.
Participants in the study will be randomly assigned to receive either Pralsetinib or one of the standard chemotherapy treatments. The study will monitor the participants over time to see how their cancer responds to the treatment. This includes checking if the cancer shrinks, stays the same, or grows. The study will also look at how long participants live and any side effects they experience. The treatment period can vary, with some treatments lasting up to 104 weeks.
The study is open-label, meaning both the participants and the researchers know which treatment is being given. Participants will receive their treatment through different methods, such as IV infusion or taking capsules orally, depending on the medication. The study aims to provide valuable information on the effectiveness and safety of Pralsetinib compared to the standard care options for patients with this specific type of lung cancer.



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