Induction therapy followed by surgery for t3-t4/n0 non-small cell lung cancer: long-term results.

Filippo Lococo, Stefano Margaritora, Elisa Meacci, Pierluigi Granone, Alfredo Cesario, Dania Nachira, Giacomo Cusumano

Risultato della ricerca: Contributo in rivistaArticolo in rivista

22 Citazioni (Scopus)

Abstract

BACKGROUND: The aim of this study was to analyze the impact of the induction chemoradiotherapy (IT) on the survival pattern in T3/T4-N0 non-small cell lung cancer (NSCLC) patients. METHODS: The data of 71 patients treated from January 1992 to May 2007 were reviewed. Of these, 31 patients received IT prior to surgery (IT group: T3, 20 patients; and T4, 11 patients), and 40 directly underwent surgery (S group: T3, 34 patients; and T4, 6 patients). Survival rates were compared using the Kaplan-Meier analysis and the Cox proportional hazards models. RESULTS: Mean ages were 62.5 ± 9.9 years in the IT group and 67.7 ± 7.1 in the S group. All patients but 1 completed the IT treatment and 27 patients (87%) were operated. A radical resection was possible in 21 patients (78%). In the IT group a complete pathologic response was obtained in 6 patients (22%), where 8 patients ended up in pI stage, 7 in pII stage, and 6 in pIII stage. The overall 5-year survival (long-term survival [LTS]) and disease-free 5-year survival (DFS) for the entire cohort were 40% and 34%, respectively. No significant differences were found when LTS in the IT group (44%) and in the S group (37%) were compared. At multivariate analysis, the completeness of resection was the only independent predictive factor (hazard ratio [HR] = 5.18; 95% confidence interval [CI] = 2.55 to 10.28) while Cox multivariate analysis (on the IT group only) confirmed the critical role of the pathologic downstaging (HR = 4.62; 95% CI = 1.54 to 13.89). CONCLUSIONS: A multimodal strategy with IT treatment followed by surgery is a safe and reasonable treatment in T3/T4-N0 NSCLC patients, but no clear evidence of prognostic improvement may be assumed at the present time. Nevertheless, patients with radical resection and complete pathologic response have a very rewarding survival
Lingua originaleEnglish
pagine (da-a)1633-1640
Numero di pagine8
RivistaANNALS OF THORACIC SURGERY
Stato di pubblicazionePubblicato - 2012

Keywords

  • lung cancer

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