A prospective analysis of high-dose-rate endobronchial brachytherapy in the palliation of obstructive symptoms in lung cancer patients: A single-institution experience
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PURPOSE: Obstructive symptoms that affect quality of life (QOL) are commonly caused by endobronchial disease in many patients with locally advanced, inoperable lung cancer. High-dose-rate endobronchial brachytherapy (HDREBBT) has been used to palliate these symptoms, yet its role is not well defined in the literature. METHODS AND MATERIALS: Ninety-eight patients with locally advanced, inoperable lung cancer received HDREBBT. They were prospectively followed for survival, QOL, and toxicity endpoints. QOL measures were captured using the Quality of Life Questionnaire-Lung Cancer 30 and -Lung Cancer 13. RESULTS: At 1-year follow-up, no significant toxicities were seen. Overall survival was 13.4% at 12 months (mean 192 days). Performance status, additional treatment after HDREBBT and treatment intent affected overall survival on univariate analysis (p < 0.05). Mean hemoptysis-free survival for all patients was 232.3 days, cough-free survival was 140.3 days, and dyspnea-free survival was 173.5 days. There was no impact of any treatment- or patient-related factors of these outcomes on multivariate analysis, including additional treatment modalities and HDREBBT dose. CONCLUSIONS: HDREBBT is a safe and effective way to palliate endobronchial symptoms. Additional external-beam radiation therapy, chemotherapy, or chemoradiation after HDREBBT improves survival, but does not affect QOL measures.
