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Published in: Annals of Nuclear Medicine 11/2020

01-11-2020 | Neuroblastoma | Original Article

High-dose 131I-mIBG as consolidation therapy in pediatric patients with relapsed neuroblastoma and ganglioneuroblastoma: the Japanese experience

Authors: Hiroshi Wakabayashi, Daiki Kayano, Anri Inaki, Raita Araki, Rie Kuroda, Yasuhiro Ikawa, Toshihiro Fujiki, Norihito Akatani, Takafumi Yamase, Satoru Watanabe, Tomo Hiromasa, Yuji Kunita, Hiroshi Mori, Shintaro Saito, Ryosei Nishimura, Taizo Wada, Seigo Kinuya

Published in: Annals of Nuclear Medicine | Issue 11/2020

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Abstract

Objective

Children with relapsed neuroblastoma have a poor prognosis despite modern multimodality therapy. Novel and more effective therapeutic strategies are required for relapsed neuroblastoma. We retrospectively examined the utility of consolidation therapy with high-dose 131I-meta-iodo-benzyl-guanidine (131I-mIBG) in relapsed neuroblastoma or ganglioneuroblastoma patients with complete response (CR) to induction therapy as demonstrated by diagnostic 123I-mIBG scintigraphy.

Methods

Between December 2009 and 2014, five patients with relapsed neuroblastoma and one with relapsed ganglioneuroblastoma received high-dose 131I-mIBG therapy. Overall and progression-free survival rates at five years after 131I-mIBG therapy were analyzed by the Kaplan–Meier method.

Results

During follow-up, three children showed no signs of disease relapse, whereas three died. One child without a relapse died from post-transplant side effects, and two children with a relapse died owing to tumor progression. The 5-year progression-free and overall survival rates after 131I-mIBG therapy were 44% and 67%, respectively.

Conclusions

Consolidation therapy with high-dose 131I-mIBG for patients with 2nd CR showed good overall and progression-free survival. While the risks of radiation exposure must be considered, high-dose 131I-mIBG therapy as consolidation therapy needs to be further investigated.
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Metadata
Title
High-dose 131I-mIBG as consolidation therapy in pediatric patients with relapsed neuroblastoma and ganglioneuroblastoma: the Japanese experience
Authors
Hiroshi Wakabayashi
Daiki Kayano
Anri Inaki
Raita Araki
Rie Kuroda
Yasuhiro Ikawa
Toshihiro Fujiki
Norihito Akatani
Takafumi Yamase
Satoru Watanabe
Tomo Hiromasa
Yuji Kunita
Hiroshi Mori
Shintaro Saito
Ryosei Nishimura
Taizo Wada
Seigo Kinuya
Publication date
01-11-2020
Publisher
Springer Singapore
Published in
Annals of Nuclear Medicine / Issue 11/2020
Print ISSN: 0914-7187
Electronic ISSN: 1864-6433
DOI
https://doi.org/10.1007/s12149-020-01514-2

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