Multicentre phase II studies evaluating imatinib plus hydroxyurea in patients with progressive glioblastoma

D. A. Reardon, G. Dresemann, S. Taillibert, M. Campone, M. Van Den Bent, P. Clement, E. Blomquist, L. Gordower, H. Schultz, J. Raizer, P. Hau, J. Easaw, M. Gil, J. Tonn, A. Gijtenbeek, U. Schlegel, P. Bergstrom, S. Green, A. Weir, Z. Nikolova

Research output: Contribution to journalArticlepeer-review

118 Scopus citations

Abstract

Background: We evaluated the efficacy of imatinib mesylate in addition to hydroxyurea in patients with recurrent glioblastoma (GBM) who were either on or not on enzyme-inducing anti-epileptic drugs (EIAEDs). Methods: A total of 231 patients with GBM at first recurrence from 21 institutions in 10 countries were enrolled. All patients received 500 mg of hydroxyurea twice a day. Imatinib was administered at 600 mg per day for patients not on EIAEDs and at 500 mg twice a day if on EIAEDs. The primary end point was radiographic response rate and secondary end points were safety, progression-free survival at 6 months (PFS-6), and overall survival (OS). Results: The radiographic response rate after centralised review was 3.4%. Progression-free survival at 6 months and median OS were 10.6% and 26.0 weeks, respectively. Outcome did not appear to differ based on EIAED status. The most common grade 3 or greater adverse events were fatigue (7%), neutropaenia (7%), and thrombocytopaenia (7%). Conclusions: Imatinib in addition to hydroxyurea was well tolerated among patients with recurrent GBM but did not show clinically meaningful anti-tumour activity.

Original languageEnglish (US)
Pages (from-to)1995-2004
Number of pages10
JournalBritish Journal of Cancer
Volume101
Issue number12
DOIs
StatePublished - Dec 2009

Funding

1The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA; 2Zentrum für Neuro-Onkologie am Ärztehaus Velen, Velen, Germany; 3Hopital Pitie Salpétrière, Paris, France; 4Centre René Gauducheau, Saint-Herblain, France; 5Daniel den Hoed Cancer Center, Erasmus University Hospital, Rotterdam, The Netherlands; 6UZ Gasthuisberg, Leuven, Belgium; 7Onkologikliniken Akademiska sjukhuset, Uppsala, Sweden; 8CHU Erasme, Brussels, Belgium; 9Aarhus University Hospital, Århus, Denmark; 10Northwestern University, Feinberg School of Medicine, Northwestern Memorial Hospital, Chicago, IL, USA; 11Klinik und Poliklinik für Neurologie der Universität Regensburg, Universitaetsklinikum Regensburg, Regensburg, Germany; 12Tom Baker Cancer Center, Calgary, Alberta, Canada; 13Institut Català d’Oncologia, Hospital Durans I Reynals, L’Hospitalet de Llobregat, Barcelona, Spain; 14LMU München, München, Germany; 15Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands; 16Knappschaftskrankenhaus, Ruhr-University Bochum, Germany; 17Onkologikliniken, Norrlands Universitetssjukhus, Umea, Sweden; 18Novartis Pharma AG, Basel, Switzerland

Keywords

  • C-KIT
  • Glioblastoma
  • Imatinib mesylate
  • Platelet-derived growth factor

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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