Gonadotropin secretion inhibitor. Continuous administration results in suppression of luteinizing hormone (LH), follicle-stimulating hormone (FSH), and subsequent decrease in testosterone (females and males) and estrogen (premenopausal females).
Therapeutic use
Palliative treatment of advanced prostate cancer. Treatment of children with central precocious puberty (CPP).
Pregnancy and lactiation implications
Fetal harm and increase in fetal mortalities noted in animal studies. Histrelin is contraindicated for use during pregnancy or in women who may become pregnant. Excretion in breast milk unknown.
Unlabeled use
Contraindications
Hypersensitivity to histrelin acetate, GnRH, GnRH-agonist analogs, or any component of the formulation.
Warnings and precautions
Transient increases in estradiol serum levels (female) or testosterone levels (female and male) might occur during the first week of treatment. Spinal cord compression, and ureteral obstruction reported (both may contribute to paralysis when used for prostate cancer). Possible worsening of symptoms.