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.
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 language | English |
|---|---|
| Pages (from-to) | 221-227 |
| Number of pages | 7 |
| Journal | Cancer Letters |
| Volume | 228 |
| Issue number | 1-2 |
| Early online date | 1 Jun 2005 |
| DOIs | |
| Publication status | Published - 18 Oct 2005 |
Keywords
- [131I]MIBG
- topotecan
- targeted radiotherapy
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Global clinical translation of a novel combination therapy for neuroblastoma using 131I MIBG nand topotecan- Matin trial
Boyd, M. (Participant)
Impact: Health and welfare - new products, guidelines and services
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