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• W2079059667 abstract "The aim of this study is to determine the prognostic role and the timing of metabolic response to chemotherapy, based on F-fluorodeoxyglucose positron emission tomography (F-FDG-PET), in patients with metastatic non-small-cell lung cancer (NSCLC). The study included 55 patients with metastatic NSCLC that were analyzed in terms of prognostic factors and survival. F-FDG-PET/CT findings were evaluated in patients separated into 3 groups, before and after 1st, 2nd, 3rd cycle of the first line chemotherapy. Metabolic response was assessed according to PET Response Criteria in Solid Tumors (PERCIST 1.0). Among the 55 patients, 34 (62%) died, and 21 (38%) remained alive during a mean follow-up of 13.5 months. Median overall survival (OS) was 11.69 months (range 2-26.80 months) and median progression-free survival (PFS) was 6.27 months (range 1.37-20.43 months). Univariate analysis showed that the only favorable prognostic factor for OS in all the patients was the achievement of metabolic response. Metabolic response according to PERCIST, and weight lose ≤ 5% were also independent favorable prognostic factors predictive of survival in all patients based on multivariet analysis (metabolic response: P=0.002, OR; 1.90, 95% CI 1.26-2.89, and weight lose ≤5%: P=0.022, OR; 2.24, 95% CI 1.12-4.47). Median OS in all patients with partial response (PR)-according to the PERCIST 1.0- was significantly longer than in those with progressive disease (PD) (16.36 months vs 8.14 months, P=0.008). Median OS in the patients with PR was significantly longer than in those with PD based on PET/CT performed after 2nd and 3rd cycles of chemotherapy (18.35 months vs 7.54 months, P=0.012 and 18.04 months vs 7.43 months, P<0.001, respectively), whereas, median OS did not differ significantly between patients with PR and those with PD based on PET/CT performed after the 1st cycle of chemotherapy (8.01 months vs 5.08 months, P=0.290). Metabolic response according to PERCIST and weight loss are independent factors predictive of OS. PET/CT performed after second cycle of chemotherapy may be the earliest predictor of treatment response in patients with advanced stage NSCLC." @default.
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• W2079059667 date "2014-12-01" @default.
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• W2079059667 title "Does Early PET/CT Assesment of Response to Chemotherapy Predicts Survival in Patients With Advanced Stage Non-Small-Cell Lung Cancer?" @default.
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• W2079059667 doi "https://doi.org/10.1097/md.0000000000000299" @default.
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