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[131I]MIBG and topotecan: a rationale for combination therapy for neuroblastoma

  • Anthony G. McCluskey*
  • , Marie Boyd
  • , Mark N. Gaze
  • , Robert J. Mairs
  • *Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

MIBG is selectively concentrated in neuroblastoma cells, and radioiodinated MIBG has been used with some success for targeted radiotherapy. However, long-term cure remains elusive, and the topoisomerase I inhibitor topotecan may improve upon existing [131I]MIBG therapy.
While synergistic killing by combinations of ionising radiation and topoisomerase I inhibitors has been reported, there is no consensus on optimal scheduling. Furthermore, there has been no attempt to demonstrate radiopotentiation by topoisomerase I inhibitors and targeted radiotherapy. We are investigating various scheduled combinations of topotecan and [131I]MIBG on neuroblastoma cells, and preliminary data suggests that topotecan induces increased accumulation of [131I]MIBG in vitro.
Original languageEnglish
Pages (from-to)221-227
Number of pages7
JournalCancer Letters
Volume228
Issue number1-2
Early online date1 Jun 2005
DOIs
Publication statusPublished - 18 Oct 2005

Keywords

  • [131I]MIBG
  • topotecan
  • targeted radiotherapy

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