Published in:
Open Access
01-04-2008 | Original article
Hormonal crises following receptor radionuclide therapy with the radiolabeled somatostatin analogue [177Lu-DOTA0,Tyr3]octreotate
Authors:
Bart de Keizer, Maarten O. van Aken, Richard A. Feelders, Wouter W. de Herder, Boen L. R. Kam, Martijn van Essen, Eric P. Krenning, Dik J. Kwekkeboom
Published in:
European Journal of Nuclear Medicine and Molecular Imaging
|
Issue 4/2008
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Abstract
Introduction
Receptor radionuclide therapy is a promising treatment modality for patients with neuroendocrine tumors for whom alternative treatments are limited. The aim of this study was to investigate the incidence of hormonal crises after therapy with the radiolabeled somatostatin analogue [177Lu-DOTA0,Tyr3]octreotate (177Lu-octreotate).
Materials and methods
All 177Lu-octreotate treatments between January 2000 and January 2007 were investigated. Four hundred seventy-six patients with gastroenteropancreatic neuroendocrine tumors and three patients with metastatic pheochromocytoma were included for analysis.
Results
Four hundred seventy-nine patients received a total of 1,693 administrations of 177Lu-octreotate. Six of 479 patients (1%) developed severe symptoms because of massive release of bioactive substances after the first cycle of 177Lu-octreotate. One patient had a metastatic hormone-producing small intestinal carcinoid; two patients had metastatic, hormone-producing bronchial carcinoids; two patients had vasoactive intestinal polypeptide-producing pancreatic endocrine tumors (VIPomas); and one patient had a metastatic pheochromocytoma. With adequate treatment, all patients eventually recovered.
Conclusion
Hormonal crises after 177Lu-octreotate therapy occur in 1% of patients. Generally, 177Lu-octreotate therapy is well tolerated.