Endocrine Abstracts

Metoclopramide (MCP) is a selective blocker of dopamine D2 receptor, responsible for the dopamine inhibition of prolactin (PRL) secretion from the pituitary. In normal conditions, administration of the proper dose of MCP leads to increase of PRL concentration in the blood serum. This response was applied in the diagnostic test (MCP test), useful to differentiate between hyperprolactinaemia linked with organic causes (prolactinoma and other lesions of hypothalamo-pituitary regi...