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Multicentre phase II studies evaluating imatinib plus hydroxyurea in patients with progressive glioblastoma
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2009 (English)In: British Journal of Cancer, ISSN 0007-0920, E-ISSN 1532-1827, Vol. 101, no 12, 1995-2004 p.Article in journal (Refereed) Published
Abstract [en]

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%). CONCLUSION: Imatinib in addition to hydroxyurea was well tolerated among patients with recurrent GBM but did not show clinically meaningful anti-tumour activity. British Journal of Cancer (2009) 101, 1995-2004. doi: 10.1038/sj.bjc.6605411 www.bjcancer.com Published online 10 November 2009 (C) 2009 Cancer Research UK

Place, publisher, year, edition, pages
2009. Vol. 101, no 12, 1995-2004 p.
Keyword [en]
glioblastoma, imatinib mesylate, platelet-derived growth factor, c-KIT
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-127383DOI: 10.1038/sj.bjc.6605411ISI: 000272557800008OAI: oai:DiVA.org:uu-127383DiVA: diva2:329749
Available from: 2010-07-13 Created: 2010-07-13 Last updated: 2010-07-13Bibliographically approved

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