We investigated the daily milk production, the prolactin (PRL) and dopamine (DA ... no apparent influence on the hypothalamo-hypophyseal axis of the neonate. Since the concentration of DA ...

Resistance to dopamine agonists occurs in a subset of patients with prolactin-secreting pituitary tumors. The resistance is mediated by loss of pituitary D 2 receptors and occurs in both ...

Whether dopamine-agonist withdrawal is associated with re-expansion of the tumor in patients who experience incomplete prolactin suppression with use of these drugs is not known. As most tumors ...