This clinical trial is focused on studying a type of lung cancer known as Non-Small Cell Lung Cancer (NSCLC) that has specific changes in the EGFR gene, which stands for Epidermal Growth Factor Receptor. These changes, or mutations, are known as Ex19del and L858R. The study is investigating the effectiveness and safety of a medication called osimertinib, also known by its code name AZD9291, when used alone or in combination with chemotherapy. The chemotherapy drugs being used in this study are carboplatin, pemetrexed, and cisplatin. Osimertinib is taken as a tablet, while the chemotherapy drugs are given through an intravenous infusion, which means they are delivered directly into the bloodstream through a vein.
The purpose of the study is to compare how well patients respond to treatment with osimertinib alone versus osimertinib combined with chemotherapy. Participants in the study will be randomly assigned to receive either osimertinib by itself or osimertinib with the chemotherapy drugs. The study will monitor the participants over time to see how their cancer responds to the treatment and to check for any side effects. The study aims to provide valuable information on whether adding chemotherapy to osimertinib offers any additional benefits for patients with this type of lung cancer.
Throughout the study, participants will undergo regular check-ups and tests to track their health and the progress of their cancer. These tests may include imaging scans like MRI or CT scans, which help doctors see inside the body to check how the cancer is responding to treatment. The study is expected to continue for several years, allowing researchers to gather comprehensive data on the long-term effects and benefits of the treatments being tested.



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