ArticleOncoTargets and therapy2025
Survival Outcomes in Lung Cancer Patients Newly Diagnosed Through Brain Metastasis Surgery: Impact of Druggable Mutations and Radiotherapy.
Article in OncoTargets and therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Precocious brain metastasis in lung cancer, diagnosed through surgical resection before primary lung cancer detection, represents a unique clinical scenario with limited research. This study aims to investigate the clinical characteristics, prognosis, and the impact of different treatments on survival outcomes in this distinct population. Materials and Methods: We retrospectively analyzed clinical outcomes of lung cancer patients newly diagnosed following brain metastasis decompression surgery in our institute, over a period from July 2012 to May 2023. Patient demographics including gender, age, surgical approach, pathological findings, receipt of radiotherapy, systemic treatment modalities, and presence of druggable mutations were documented. Druggable mutations were defined as actionable genetic alterations (AGAs) detected in patients for which corresponding targeted therapeutic agents were available. Results: Among 64 patients analyzed, 53 (82.8%) were diagnosed with adenocarcinoma; 38 (59.4%) harbored druggable mutations. There was only one patient with small cell carcinoma in this series. Types of druggable mutations were discussed in the study. The clinical stage was IVB among 38 (59.4%) patients. Forty-nine (76.6%) patients had metastatic brain lesions with number ≦3. Thirty-five (54.7%) patients received post-operative radiotherapy. The cohort's median overall survival (OS) was 19.6 months. Patients with druggable mutations had an OS longer than patients without druggable mutation (46.0 vs 14.5 months, Log rank test Conclusion: In patients with precocious brain metastases from lung cancer, the presence of druggable mutations and subsequent targeted therapy significantly extended survival, whereas post-operative brain radiotherapy may not confer additional survival benefits. These findings highlight the importance of molecular profiling and targeted therapy in this unique patient population.
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