This clinical trial is focused on studying a type of lung cancer known as non-small cell lung cancer (NSCLC), specifically in patients who have a change in the ALK-gene. The study is testing the effects of a medication called brigatinib, also known by its code name AP26113, after patients have completed standard chemotherapy and radiation therapy. Another medication involved in the study is durvalumab, which is given as a solution for infusion. The purpose of the study is to evaluate how well brigatinib works in preventing the cancer from getting worse compared to just observation or treatment with durvalumab.
Participants in the study will be randomly assigned to one of the treatment groups. Some will receive brigatinib, which is taken orally as a film-coated tablet, while others may receive durvalumab or be under observation. The study will monitor the participants over a period to see how the cancer responds to these treatments. The main focus is on how long the cancer stays under control without progressing, which is known as progression-free survival. Other aspects like overall survival, which is the length of time patients live after starting the study, and the safety of the treatments will also be observed.
This trial is designed for patients with unresectable stage III NSCLC, meaning the cancer cannot be removed by surgery. It is important for participants to have completed their initial chemo-radiotherapy without the disease progressing. The study aims to provide valuable information on the effectiveness of brigatinib as a consolidation therapy, which is a treatment given after the initial therapy to strengthen its effect, in comparison to other options like durvalumab or observation.



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