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Palliative treatment of advanced prostate cancer
Adult: 1 mg as single daily dose by SC inj. Depot preparations may be given by IM or SC route, dosage and route may differ between different brands and countries. In the UK: As depot preparations: 3.75 mg every mth as single IM/SC inj; or 11.25 mg every 3 mth via SC inj. In the US: As depot preparations: 7.5 mg every mth, or 22.5 mg every 3 mth, or 30 mg every 4 mth via IM/SC inj depending on the preparations; or 45 mg every 6 mth via SC inj.
Parenteral
Endometriosis
Adult: As depot preparations: 3.75 mg every mth given as a single IM/SC inj or 11.25 mg every 3 mth as IM depot Inj. Initiate treatment during the 1st 5 days of menstrual cycle up to 6 mth. May be used with norethindrone acetate 5 mg daily for initial management of endometriosis and for management of recurrence symptoms. Duration of retreatment: Should not exceed one additional 6 mth course.
Parenteral
Uterine fibroids
Adult: As depot preparations: In combination with iron therapy for women with anaemia due to uterine fibroids, 3.75 mg every month given as a single IM/SC inj or 11.25 mg every 3 months as IM Inj. Treatment duration: Usually up to 3 months. Max: 6 months.
Parenteral
Precocious puberty
Child: As aqueous soln inj: Initial: 50 mcg/kg daily by SC inj, may be titrated upwards by 10 mcg/kg/day if total down-regulation is not achieved. As depot preparations: Initial: 0.3 mg/kg/dose (minimum dose: 7.5 mg) given every 4 wk via IM inj; which equates to children ≤25 kg: 7.5 mg; >25-37.5 kg: 11.25 mg and >37.5 kg: 15 mg given every 4 wk. Maintenance: May titrate dose upwards in steps of 3.75 mg every 4 wk if down-regulation is not achieved. Consider discontinuing therapy before age 11 (females) and age 12 (males).
Parenteral
Preparation for intrauterine surgery
Adult: Endometrial preparation prior to intrauterine surgery: As depot preparations: 3.75 mg as a single inj via IM/SC given 5-6 wk before the procedure; therapy should be initiated during days 3-5 of the menstrual cycle.
