• Eur. J. Cancer · Jul 2017

    Advanced chordoma treated by first-line molecular targeted therapies: Outcomes and prognostic factors. A retrospective study of the French Sarcoma Group (GSF/GETO) and the Association des Neuro-Oncologues d'Expression Française (ANOCEF).

    • Loïc Lebellec, Bruno Chauffert, Jean-Yves Blay, Axel Le Cesne, Christine Chevreau, Emmanuelle Bompas, François Bertucci, Didier Cupissol, Michel Fabbro, Esma Saada-Bouzid, Florence Duffaud, Loïc Feuvret, Alice Bonneville-Levard, Jacques-Olivier Bay, Elodie Vauleon, Armelle Vinceneux, Georges Noel, Nicolas Penel, and Olivier Mir.
    • Department of General Oncology, Centre Oscar Lambret, Lille, France.
    • Eur. J. Cancer. 2017 Jul 1; 79: 119-128.

    BackgroundTo assess the role of first-line Molecular Targeted Therapies (MTTs) in Advanced chordoma (AC) patients.MethodsRetrospective study of 80 patients treated between January 2004 and December 2015 at 15 major French Sarcoma or Neurooncology Centres.ResultsThe sex ratio M/F was 46/34. The median age was 59 (6-86) years. The primary sites were the sacrum (50, 62.5%), mobile spine (12, 15.0%), and skull base (18, 22.5%). Metastases were present in 28 patients (36.0%). The first line of MTTs consisted of imatinib (62, 77.5%), sorafenib (11, 13.7%), erlotinib (5, 6.3%), sunitinib (1, 1.2%) and temsirolimus (1, 1.2%). The reported responses were: partial response (5, 6.3%), stable disease (58, 72.5%), or progressive disease (10, 12.5%). Symptomatic improvement was seen in 28/66 assessable patients (42.4%) and was associated with an objective response occurrence (p = 0.005), imatinib (p = 0.020) or erlotinib use (p = 0.028). The median progression-free survival (PFS) was 9.4°months (95% CI, [6.8-16.1]). Two independent factors of poor prognosis for PFS were identified: a skull-based primary location (HR = 2.5, p = 0.019), and the interval between diagnosis and MTT of <52months (HR = 2.8, p < 0.001). The median overall survival (OS) was 4.4°years (95% CI, [3.8-5.6]). Four independent factors of poor prognosis for OS were identified: the presence of liver metastases (HR = 13.2, p < 0.001), pain requiring opioids (HR = 2.9, p = 0.012), skull-based primary location (HR = 19.7, p < 0.001), and prior radiotherapy (photon alone) (HR = 2.5, p = 0.024). The PFS and OS did not significantly differ between the MTT.ConclusionsThe prognostic factors identified require validation in an independent database but are potently useful to guide treatment decisions and design further clinical trials.Copyright © 2017 Elsevier Ltd. All rights reserved.

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