Masahiro Sakata

OBJECTIVE: Although fibroids greatly affect reproductive health, the pathophysiology and epidemiology are not well known. Recently, we have reported the relationship between uterine leiomyoma and metabolic syndrome. Many studies have indica…

OBJECTIVE: Uterine leiomyomas are the most common gynecological benign tumor and greatly affect reproductive health and well-being. They are the predominant indication for hysterectomy in premenopausal women. Current epidemiological study r…

The effects of danazol on estrogen production by rat ovaries were investigated. Hypophysectomized immature female rats were injected daily with 2.5 or 5 IU of pregnant mare serum gonadotropin (PMS) and simultaneously daily given vehicle onl…

Effects of danazol, gonadotropin-releasing hormone agonist (leuprolide), and danazol-leuprolide combination on experimental endometriosis were evaluated in female rats. A complete resorption of the fluid and a marked decrease in the volume …

The chronic administration of GnRH agonists to women results in the reversible suppression of estrogen production by the ovary. In the present study, the mechanism of the GnRH agonist suppression of estrogen production was investigated in p…

Since the authors recently reported that danazol inhibits the growth of human endometrial cancer cells in vitro, a clinical trial was initiated to examine whether danazol can regress adenomatous hyperplasia, a precursor of endometrial adeno…