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Eur J Cancer. 2013 Nov;49(17):3671-9. doi: 10.1016/j.ejca.2013.07.002. Epub 2013 Jul 29.

Treatment of children over the age of one year with unresectable localised neuroblastoma without MYCN amplification: results of the SIOPEN study.

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  • 1Department of Paediatric Oncology, Southampton General Hospital, Southampton, UK.

Abstract

BACKGROUND:

In children older than 1 year with localised unresectable neuroblastoma (NB), treatment strategies are heterogeneous according to the national groups. The objective of this phase III non-randomised study was to evaluate the efficacy of conventional chemotherapy followed by surgery.

PATIENTS AND METHODS:

In the presence of surgical risk factors (SRF), six courses of chemotherapy alternating Carboplatin-Etoposide and Vincristin-Cyclophosphamide-Doxorubicin were given, and surgical resection was attempted after four. Survival analyses were performed using an intention-to-treat approach. The main objective was to achieve a 5-year survival over 80%.

RESULTS:

Out of 191 registered children, 160 were evaluable. There were 62.5% older than 18 months and 52.5% had unfavourable histology according to International Neuroblastoma Pathology Classification (INPC). Chemotherapy reduced the number of SRFs by one third. Delayed surgery was attempted in 86.3% of patients and was complete or nearly complete in 74%. The 5-year EFS and OS were 76.4% and 87.6% respectively, with significant better results for patients younger than 18 months or with favourable histology.

CONCLUSION:

This strategy provides encouraging results in children older than 1 year or 12 months with localised unresectable NB without MYCN amplification. However, in children older than 18 months and with unfavourable histology, additional treatment is recommended.

Copyright © 2013 Elsevier Ltd. All rights reserved.

KEYWORDS:

Children; Conventional chemotherapy; Localised neuroblastoma; Unresectable

PMID:
23907002
[PubMed - indexed for MEDLINE]
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