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Clinical Characteristics, Treatment And Survival Outcomes In Malignant Pleural Mesothelioma: An Institutional Experience In Turkey.
Published 2014 · Medicine
PURPOSE To compare treatment modalities and investigate potential prognostic factors for survival in patients with malignant pleural mesothelioma (MPM). METHODS The present study has investigated the data of 150 patients with MPM who were examined and treated in our center from 2005 to 2012. RESULTS The study included 87 male (58% and 63 female (42) patients. Surgical resection (pleurectomy/decortications (P/D), and extrapleural pneumonectomy (EPP)) was performed in 32 (36.7%) patients; 87 patients (58%) received chemotherapy alone and 16 (10.7%) had surgery, chemotherapy and radiotherapy (trimodal treatment). The median progression free and overall survival (PFS and OS) for all patients were 10.6 and 14.8 months, respectively. No statistically significant difference was observed between the patients who received pemetrexed/cisplatin (N=54) and gemcitabine/cisplatin (N=28) in terms of PFS and OS (p=0.145, p=0.244, respectively). Also, no statistically significant difference was registered between operated and non operated patients (PFS and OS, p=0.416, p=0.095, respectively). There was no difference in both PFS and OS rates between patients who had P/D or EPP (p=0.87, p=0.652, respectively). Log rank analysis: Eastern Cooperative Oncology Group performance status (ECOG PS) (p=0.018), histology (p<0.001), stage (p<0.001) and leukocytosis (p=0.005) were found to be significant prognostic factors of OS. At multivariate analysis, ECOG PS (p=0.016) and stage (p<0.001) were independent prognostic factors for OS. CONCLUSION Median OS was approximately 1 year. ECOG PS, histological type, stage and presence of leukocytosis were prognostic factors that affected both PFS and OS. EPP or P/D surgical options did not provide difference in terms of survival. Survival rates in patients who received a combination of platinum analogues with pemetrexed or gemcitabine as front-line chemotherapy were similar.