THERAPEUTIC AGENT USING ESTROGEN RECEPTOR β PARTIAL AGONIST HAVING ESTROGEN RECEPTOR α INHIBITING EFFECT, FOR PAIN AND/OR STRUCTURAL LESION FROM GYNECOLOGICAL DISORDER SUCH AS ENDOMETRIOSIS AND UTERUS ADENOMYOSIS

摘要

[Problem] To provide a pharmaceutical agent for treatment of pain associated with a gynecological disorder and/or treatment of a structural lesion caused by a gynecological disorder. [Solution] A therapeutic agent for pain associated with a gynecological disorder and/or a structural lesion caused by the gynecological disorder, the therapeutic agent containing an estrogen receptor α inhibiting β partial agonist represented by structural formula (a), a pharmaceutically acceptable salt thereof, or a hydrate thereof as an effective component.