Hopital Européen Georges Pompidou, Paris, France
Alix Portal , Simon Pernot , Claire Arbaud , David Tougeron , Anne Thirot-Bidault , Christelle De La Fouchardiere , Pascal Hammel , Thierry Lecomte , Johann Dreanic , Romain Coriat , Jean Baptiste Bachet , Olivier Dubreuil , Lysiane Marthey , Laetitia Dahan , Jean-Louis Legoux , Christophe Locher , Céline Lepère , Philippe Rougier , Franck Bonnetain , Julien Taieb
Background: Both Folfirinox and Nab-paclitaxel plus Gemcitabine showed a benefit in terms of survival in first-line treatment of metastatic pancreatic adenocarcinoma (MPA) when compared to gemcitabine. It could be of interest to use them consecutively, knowing that there is currently no standard for 2nd line treatments for MPA and that median Progression free survival (PFS) is consistently less than 4 months in this setting. The aim of this study was to evaluate the efficacy and tolerability of gemcitabine plus Nab-paclitaxel after Folfirinox failure in MPA. Methods: From February 2013 to July 2014, all consecutive patients (pts) from 12 French centers treated by Nab-paclitaxel plus Gemcitabine for a histologically proven MPA after failure of Folfirinox were prospectively recorded. Nab-paclitaxel plus Gemcitabine was delivered on days 1, 8, and 15 every 4 weeks, as previously reported, until disease progression, patient refusal or unacceptable toxicity Results: Nab-paclitaxel plus Gemcitabine was administered to 57 pts. They received a median number of 4 cycles (1–12). Disease control rate was 58% (n = 33) with a 18.5 % (n = 18) objective response rate (RECIST). Within the whole cohort, median overall survival (OS) was 8.8 months (95% CI: 6.2-9.7) and median PFS was 5.1 months (95% CI : 3.2-6.2). Since the start date of first line chemotherapy with Folfirinox, median OS was 18 months (95% CI: 16-21). No toxic death occured. Grade 3–4 toxicities were reported in 40% of patients and were neutropenia (12%), neurotoxicity (12%), asthenia (8%) and thrombocytopenia (8%). Conclusions: With median PFS and OS of respectively 5.1 and 8.8 months Nab-paclitaxel plus Gemcitabine seems promising with a manageable toxicity profile after folfirinox failure, in selected patients able to receive second line treatment for a MPA. These promising results have now to be confirmed in a phase III randomized trial.
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