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Neoadjuvant concurrent radiochemotherapy in locally advanced (IIIA–IIIB) non-small-cell lung cancer: long-term results according to downstaging

2004; Elsevier BV; Volume: 15; Issue: 3 Linguagem: Inglês

10.1093/annonc/mdh099

1569-8041

L. Trodella, Pierluigi Granone, Salvatore Valente, Stefano Margaritora, Giuseppe Macis, Alfredo Cesario, Rolando Maria D’Angelillo, Vincenzo Valentini, G.M. Corbo, Venanzio Porziella, Sara Ramella, Giuseppe Tonini, Domenico Galetta, M. Ciresa, Bruno Vincenzi, Numa Cellini,

Hepatocellular Carcinoma Treatment and Prognosis

BackgroundTo report the efficacy of induction treatment (IT) protocol with concurrent radiochemotherapy in locally advanced non-small-cell lung cancer (NSCLC), and to analyze downstaging as a surrogate end point.Patients and methodsPatients with histo- or cytologically confirmed stage IIIA or IIIB NSCLC were treated according to an IT protocol followed by surgery. Downstaging was assessed for all resected patients.ResultsIn the period between February 1992 and July 2000, 92 patients were enrolled in the study (57 IIIA, 35 IIIB). Response was observed in 63 patients; 56 patients underwent radical resection. Patients downstaged to stage 0–I (DS 0–I) showed a statistically significant improved disease-free survival (26.2 months pStage 0–I versus 11.2 months pStage II–III; P = 0.0116) and overall survival (median 32.5 months pStage 0–I versus 18.3 months pStage II–III; P = 0.025). Patients with DS 0–I had a significantly lower probability (P = 0.0353) of developing distant metastases estimated in 0.2963 odds ratio.ConclusionNeoadjuvant radiochemotherapy is feasible with good pathological DS results. Pathological downstaging was confirmed to have high predictive value. Its use is suggested in the short-term evaluation of induction protocols efficacy in locally advanced NSCLC.