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CURRENT ISSUETHE QUARTERLY JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING

A Journal on Nuclear Medicine and Molecular Imaging

A Journal on Nuclear Medicine and Molecular Imaging
Affiliated to the Society of Radiopharmaceutical Sciences and to the International Research Group of Immunoscintigraphy
Indexed/Abstracted in: Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index (SciSearch), Scopus
Impact Factor 1,724

Frequency: Quarterly

ISSN 1824-4785

Online ISSN 1827-1936

The Quarterly Journal of Nuclear Medicine and Molecular Imaging 2013 March;57(1):53-65

MIBG IN NEUROBLASTOMA 

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131I-Metaiodobenzylguanidine therapy in children with advanced neuroblastoma

Dubois S. G., Matthay K. K.

Department of Pediatrics, UCSF School of Medicine, San Francisco, CA, USA

Neuroblastoma is an aggressive childhood cancer, with a propensity for early widespread metastasis. Approximately 90% of tumors accumulate the norepinephrine analogue metaiodobenzylguanidine (MIBG) avidly, allowing the use of radiolabeled MIBG for targeted imaging and radiotherapy. After preclinical studies demonstrated activity of 131I-MIBG in models of neuroblastoma, clinical development of this agent ensued. Early clinical trials of 131I-MIBG in patients with relapsed or refractory neuroblastoma defined the toxicity profile of this agent, with myelosuppression as the main dose-limiting toxicity. Subsequent trials defined the activity of 131I-MIBG, with response rates of 20-40% in patients with relapsed or refractory disease. More recent clinical trials have tested 131I-MIBG in combination with chemotherapy or as a component of myeloablative therapies. Given the documented activity of 131I-MIBG, future studies will need to evaluate the impact of radiation sensitizers on this activity and define the role of this agent in treating patients with newly diagnosed high-risk neuroblastoma.

language: English


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