| abstract |
(57) Abstract: A prolactin production inhibitor containing a condensed ring compound having a condensed bicyclic structure. An allotropic or complex 5 that may be substituted To a 7-membered ring and a condensed ring compound containing a condensed bicyclic structure of a homologous or a hetero 5- to 7-membered ring, or a salt thereof, is a prolactin production inhibitor or a disease associated with excessive prolactin production. As a prophylactic / therapeutic agent for diseases with increased responsiveness to puerperium, as a puerperal lactation suppressor, or with milk leak, hyperprolactinemia of ovulation, milk leak amenorrhea syndrome, prolactinoma, diencephalic tumor, acromegaly, lower It is useful as a prophylactic / therapeutic drug for pituitary giant disease, etc. |