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Port-Saint-Louis-du-Rhône, France

Zaanan A.,University Paris - Sud | Gauthier M.,Biostatistics and Epidemiology Unit | Malka D.,Institut Universitaire de France | Locher C.,Meaux Hospital Center | And 6 more authors.
Cancer | Year: 2011

BACKGROUND: Small bowel adenocarcinoma (SBA) is a rare tumor with poor prognosis. First-line platinum-based chemotherapy is active in patients with advanced SBA, but data regarding second-line chemotherapy are lacking. The aim of this study was to evaluate the efficacy and tolerability of fluorouracil, leucovorin, and irinotecan (FOLFIRI regimen) as second-line chemotherapy in patients with advanced SBA. METHODS: We analyzed all consecutive patients who received second-line chemotherapy with FOLFIRI among 93 patients with advanced SBA included from 1996 to 2008 in a previous retrospective multicenter study. Progression-free survival (PFS) and overall survival (OS) were estimated from the start of second-line chemotherapy using the Kaplan-Meier method. Cox models were applied for multivariate analyses. RESULTS: Among 51 patients who received second-line chemotherapy, 28 patients (male, 57%; median age, 54 years; metastatic disease, 96%) were treated with FOLFIRI after progression (n = 24) or limiting toxicity (n = 4) to first-line FOLFOX (n = 19) or LV5FU2-cisplatin (n = 9). Grade 3-4 toxicity was observed in 48% of patients (grade 3-4 neutropenia, 37%). After a median follow-up of 21.5 months, all patients had tumor progression, and 22 patients died. Objective response rate was 20%, and disease control rate was 52%. Median PFS and OS were 3.2 and 10.5 months, respectively. No clinical, biological, or tumor characteristics were associated with PFS or OS by multivariate analysis. CONCLUSIONS: Second-line chemotherapy with FOLFIRI produced disease control in half of patients with advanced SBA after failure with first-line platinum-based chemotherapy. Nevertheless, the short median PFS warrants the evaluation of other treatments including targeted therapies. Cancer 2011. © 2010 American Cancer Society. Source

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