Anti-cancer drugs · 2018
Temozolomide treatment of a malignant pheochromocytoma and an unresectable MAX-related paraganglioma.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Ferrara Alfonso M, Lombardi Giuseppe, Pambuku Ardi, Meringolo Domenico, Bertorelle Roberta, Nardin Margherita, Schiavi Francesca, Iacobone Maurizio, Opocher Giuseppe, Zagonel Vittorina, Zovato Stefania
Аннотация
Pheochromocytomas (PCCs) and paragangliomas (PGLs) are neuroendocrine tumors with a strong genetic background. The mainstay of treatment for PCC/PGLs is surgery. However, for unresectable lesions, no curative treatment is currently available. Temozolomide (TMZ) has been shown to determine radiological and biochemical response in malignant PCC/PGLs. We report two cases of PCC/PGLs treated with TMZ. Case 1 is a 51-year-old man with local and distant recurrence (liver and bone metastases) of right adrenal PCC. Case 2 is a 54-year-old woman with a PCC/PGL syndrome caused by a mutation in MAX gene (c.171+1G>A), operated on for bilateral adrenal PCC and presenting with a large unresectable abdominal PGL. Both patients presented hypertension due to catecholamine hypersecretion. TMZ determined radiological response according to RECIST criteria, reduction of urinary catecholamine levels, and controlled hypertension in both patients. Furthermore, the current study demonstrates, for the first time, that MAX-related PGLs are responsive to TMZ.