Angiogenesis inhibitor DC101 delays growth of intracerebral glioblastoma but induces morbidity when combined with irradiation

Joost J C Verhoeff, Lukas J A Stalpers, Cornelis J F Van Noorden, Dirk Troost, Marja D Ramkema, Chris van Bree, Ji-Ying Song, Mila Donker, Martha Chekenya, W Peter Vandertop, Dick J Richel, Wouter R van Furth

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The combination of irradiation with angiogenic inhibition is increasingly being investigated for treatment of glioblastoma multiforme (GBM). We investigated whether vascular endothelial growth factor receptor-2 (VEGFR-2) inhibitor DC101 affects morbidity and tumor growth in irradiated and non-irradiated intracerebral GBM-bearing mice, controlled with sham treatments. End-points were toxicity, morbidity and histology. Irradiation either or not combined, reduced tumor size strongly, whereas DC101 mono-treatment reduced tumor size by 64%. Irradiation delayed morbidity from 5.8 weeks in sham-treated mice to 10.3 weeks. Morbidity after combined treatment occurred after 5.9 weeks. Treatment with angiogenesis inhibitor DC101 delays tumor growth but it induces morbidity, by itself or combined with irradiation.

Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalCancer Letters
Volume285
Issue number1
DOIs
Publication statusPublished - 18 Nov 2009

Keywords

  • Angiogenesis Inhibitors
  • Animals
  • Antibodies, Monoclonal
  • Brachytherapy
  • Brain Neoplasms
  • Cell Line, Tumor
  • Cell Proliferation
  • Chemotherapy, Adjuvant
  • Cranial Irradiation
  • Female
  • Glioblastoma
  • Humans
  • Mice
  • Mice, Nude
  • Necrosis
  • Neovascularization, Pathologic
  • Radiotherapy, Adjuvant
  • Time Factors
  • Vascular Endothelial Growth Factor Receptor-2
  • Journal Article

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