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Response to N7 induction chemotherapy in children more than one year of age diagnosed with metastatic neuroblastoma treated in UKCCSG centers

Response to N7 induction chemotherapy in children more than one year of age diagnosed with metastatic neuroblastoma treated in UKCCSG centers
Response to N7 induction chemotherapy in children more than one year of age diagnosed with metastatic neuroblastoma treated in UKCCSG centers
Background. The highest reported metastatic response rate to induction chemotherapy in patients with neuroblastoma has been achieved by Kushner et al. [Kushner et al.: J Clin Oncol 12:26072613,1994; Cheung et al.: Med Pediatr Oncol 36: 227-230, 2001; Kushner et al.: J Clin Oncol 22:4888-4892, 2004] using their N6 and subsequently N7 protocols. This N7 induction was adopted by UKCCSG for new patients in 1999. Methods. Forty-seven children with metastatic neuroblastoma were recruited between 1999 and 2002. They received the N7 intensive chemotherapy protocol, after full staging including evaluation by I-123 mIBG imaging where possible. Results. Thirty patients with positive mIBG scans were evaluable for response, and complete resolution of metastatic disease was obtained in 16 (53.3%). Fourteen patients without positive mIBG scans were evaluated for response according to bone marrow and bone scan data and 11 (78.6%) cleared metastatic disease. The toxicity of this induction therapy was similar to that seen in previous UK protocols, although 14 patients had Brock grade 3 or 4 ototoxicity. Thirty-three patients proceeded to high-dose therapy with no unanticipated toxicities. For the whole group of 44 evaluable patients, the 3-year event-free survival (EFS) and overall survival (OS) were 38.3 and 46.7%, respectively. Conclusions. Although feasible in terms of delivery, when used in the UKCCSG centers, this protocol achieved a much lower response rate than in the previously published series in the US
chemotherapy, clinical trials, neuroblastoma
1545-5009
234-239
Kohler, J.A.
111509dc-ae30-457b-84eb-9a4c1bb9bb39
Ellershaw, C.
3b644d48-99ed-4fa5-a46d-d96c1c04e7c6
Machin, D.
f7d2667c-21d6-4e19-9873-b14bc93d02e1
Kohler, J.A.
111509dc-ae30-457b-84eb-9a4c1bb9bb39
Ellershaw, C.
3b644d48-99ed-4fa5-a46d-d96c1c04e7c6
Machin, D.
f7d2667c-21d6-4e19-9873-b14bc93d02e1

Kohler, J.A., Ellershaw, C. and Machin, D. (2007) Response to N7 induction chemotherapy in children more than one year of age diagnosed with metastatic neuroblastoma treated in UKCCSG centers. Pediatric Blood and Cancer, 49 (3), 234-239. (doi:10.1002/pbc.21139).

Record type: Article

Abstract

Background. The highest reported metastatic response rate to induction chemotherapy in patients with neuroblastoma has been achieved by Kushner et al. [Kushner et al.: J Clin Oncol 12:26072613,1994; Cheung et al.: Med Pediatr Oncol 36: 227-230, 2001; Kushner et al.: J Clin Oncol 22:4888-4892, 2004] using their N6 and subsequently N7 protocols. This N7 induction was adopted by UKCCSG for new patients in 1999. Methods. Forty-seven children with metastatic neuroblastoma were recruited between 1999 and 2002. They received the N7 intensive chemotherapy protocol, after full staging including evaluation by I-123 mIBG imaging where possible. Results. Thirty patients with positive mIBG scans were evaluable for response, and complete resolution of metastatic disease was obtained in 16 (53.3%). Fourteen patients without positive mIBG scans were evaluated for response according to bone marrow and bone scan data and 11 (78.6%) cleared metastatic disease. The toxicity of this induction therapy was similar to that seen in previous UK protocols, although 14 patients had Brock grade 3 or 4 ototoxicity. Thirty-three patients proceeded to high-dose therapy with no unanticipated toxicities. For the whole group of 44 evaluable patients, the 3-year event-free survival (EFS) and overall survival (OS) were 38.3 and 46.7%, respectively. Conclusions. Although feasible in terms of delivery, when used in the UKCCSG centers, this protocol achieved a much lower response rate than in the previously published series in the US

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Published date: January 2007
Keywords: chemotherapy, clinical trials, neuroblastoma

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Local EPrints ID: 62817
URI: http://eprints.soton.ac.uk/id/eprint/62817
ISSN: 1545-5009
PURE UUID: a6de10ba-1d32-496b-8a42-1c94c51ff382

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Date deposited: 08 Sep 2008
Last modified: 15 Mar 2024 11:33

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Author: J.A. Kohler
Author: C. Ellershaw
Author: D. Machin

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