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LHRH-induced gonadotropin release before and after short-term therapy with cabergoline in hyperprolactinaemic
Abstract:
Cabergoline is a new ergot derivative with long-lasting PRL lowering effect. Basal and LHRH stimulated (50 micrograms i.v.) gonadotropin secretion was evaluated before and during cabergoline treatment (0.5-2 mg/week) in 28 women with pathological hyperprolactinaemia. After 4 weeks, PRL and E2 were significantly (p less than 0.01) reduced and increased, respectively. Basal LH and FSH levels did not change. Both LH (p less than 0.05) and FSH (p less than 0.02) responsiveness to LHRH was decreased from the former to the latter test. The study underlines drug-induced variations in gonadotropin responsiveness to LHRH which are probably due to variations in the steroid milieu.
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