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  • Title: Impact of adjuvant chemotherapy in stage IB non-small-cell lung cancer: an analysis of 112 consecutively treated patients.
    Author: Dediu M, Ion O, Ion R, Alexandru A, Median D, Gal C, Horvat T, Motas C, Motas N.
    Journal: J BUON; 2012; 17(2):317-22. PubMed ID: 22740212.
    Abstract:
    PURPOSE: The impact of adjuvant chemotherapy (CT) in the management of radically resected stage IB non-small cell lung cancer (NSCLC) is highly debated. The aim of this study was to evaluate the outcome of this category of patients treated at our institution. METHODS: We retrospectively analysed the survival data of patients with pathologic stage IB NSCLC, who received at least 1 cycle of adjuvant CT. CT was planned to be platinum based and to be delivered for 6 cycles. RESULTS: One hundred and twelve consecutively treated patients were evaluated. PATIENT CHARACTERISTICS: median age 60 years, median tumor diameter 4 cm, 87% underwent lobectomy and 13% pneumonectomy, 58% had visceral pleural involvement (VPI). After a median follow up of 46 months, the estimated 5-year disease-free (DFS) and overall survival (OS) rates were 68% and 77%, respectively. The mean number of CT cycles was 5.2 (range 3-6), with 82% of patients receiving ≥ 5 cycles. The median cisplatin dose intensity (DI) was 22 mg/m(2)/week, and the relative DI was 85%. Median total cisplatin (CDDP) dose/patient was 416 mg/m(2). A total of 31 (27.6%) relapses were recorded, of which 81% were distant. Multivariate analysis showed no significant interaction between overall survival and the following variables: gender, type of surgery, histology, tumor volume, VPI. CONCLUSION: Our results compare favorably with the historical data evaluating the outcome of stage IB patients treated by surgery alone in a customary medical setting. Overall, our data support the use of adjuvant CT in stage IB NSCLC patients.
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