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Somatostatinergic ligands in dopamine-sensitive and -resistant prolactinomas
Author(s) -
Alessandra Fusco,
Ginette Gunz,
P Jaquet,
Henry Dufour,
Anne Laure Germanetti,
Michael D. Culler,
Anne Barlier,
Alexandru Saveanu
Publication year - 2008
Publication title -
european journal of endocrinology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.897
H-Index - 148
eISSN - 1479-683X
pISSN - 0804-4643
DOI - 10.1530/eje-07-0806
Subject(s) - cabergoline , prolactinoma , endocrinology , medicine , somatostatin , somatostatin receptor 2 , prolactin , agonist , dopamine agonist , dopamine , biology , somatostatin receptor , receptor , chemistry , dopaminergic , hormone
Ten percent of patients with prolactinoma fail to respond with normalization of prolactin (PRL) and tumor shrinkage under dopamine agonist (DA) therapy. The resistance to treatment is linked to a loss of dopamine receptor 2 (D2DR). Prolactinomas express somatostatin (SST) receptor subtypes, SSTR1, 2, and 5. The aim of this study was to determine whether different SST compounds could overcome the resistance to DA in prolactinomas.

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