Abstract
IntroductionLung cancer is the largest cause of cancer-related deaths worldwide. Eighty-five percent of patients is diagnosed with non-small cell lung cancer (NSCLC). Almost a third of patients is aged over 75, but this group is poorly represented in clinical trials. This study compares the effects of therapy in non-operable stage III NSCLC in elderly patients compared to their younger counterparts. Patients and MethodsThis is a retrospective cohort study. Patients are divided into three groups; patients younger than 65, patients aged between 65 and 75 and patients of 75 years or older. Concurrent chemoradiotherapy is compared to sequential chemoradiotherapy using Cox regression analysis. The primary outcome is survival. A sub analysis is performed for the presence of toxicity using logistic regression. ResultsSeven hundred and fifty patients were diagnosed with stage III NSCLC and treated with concurrent (442) or sequential (308) chemoradiotherapy. Concurrent chemoradiotherapy provides a decreased HR of death of 0.72 (0.560-0.85) compared to sequential chemoradiotherapy, even when corrected for age. Elderly patients receiving concurrent chemoradiotherapy do not have a significantly larger risk of toxicity. ConclusionsPatients of all ages with stage III NSCLC benefit from concurrent chemoradiotherapy compared to sequential chemoradiotherapy. Age is not a deciding factor in this prospect, nor do the patients experience more severe toxicity than their younger counterparts.
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