Indications
Stage B2-C Prostatic Carcinoma: Goserelin is used together with flutamide to manage locally confined Stage T2b-T4 (Stage B2-C) carcinoma of the prostate. The Goserelin and flutamide treatment should start 8 weeks before radiation therapy begins, and it continues during the radiation therapy. Prostatic Carcinoma: Goserelin is used in the palliative treatment of advanced carcinoma of the prostate. Endometriosis: Goserelin is used to manage endometriosis, including pain relief and reduction of endometriotic lesions for as long as the therapy lasts. Experience with Goserelin for endometriosis is limited to women aged 18 years and older who were treated for 6 months. Endometrial Thinning: Goserelin is used as an endometrial-thinning agent before endometrial ablation for dysfunctional uterine bleeding. Advanced Breast Cancer: Goserelin is used in the palliative treatment of advanced breast cancer in pre- and perimenopausal women. The estrogen and progesterone receptor values may help predict whether Goserelin therapy is likely to be beneficial. The syringe also has an automatic safety feature that helps prevent needlestick injury.
⚠️ Always consult a registered physician before taking any medicine.
Pharmacology
Goserelin is a synthetic decapeptide analogue of GnRH. When it's given in its biodegradable formulation, it acts as an inhibitor of pituitary gonadotropin secretion. In animal and in vitro studies, goserelin caused regression or inhibited the growth of two hormonally sensitive tumours: the dimethylbenzanthracene (DMBA)-induced rat mammary tumour and the Dunning R3327 prostate tumour.
Pregnancy & Breastfeeding
Goserelin should not be used during pregnancy, with one exception: palliative treatment of advanced breast cancer. There are no adequate and well-controlled studies of goserelin in pregnant women. But based on how it works in humans, and on the increased pregnancy loss seen in animal studies, goserelin can harm the baby when given to a pregnant woman. If it is used during pregnancy, the patient should be told about the possible danger to the baby. The hormone changes expected with goserelin treatment also raise the risk of pregnancy loss.
In rats and rabbits, goserelin crosses the placenta after subcutaneous administration. When pregnant rats and rabbits were given goserelin during organogenesis, there was more preimplantation loss and more resorptions. Pregnant rats that received goserelin throughout gestation and lactation had more umbilical hernia in their offspring, and the increase was related to the dose. Other reproduction studies in rats showed that goserelin lowered the survival of fetuses and pups. The animal data available were not enough to calculate human dose or exposure multiples.
It is not known whether goserelin passes into human milk. It does pass into the milk of lactating rats. Many drugs are excreted in human milk, and goserelin could cause serious adverse reactions in nursing infants. So a decision should be made either to stop nursing or to stop the drug, taking into account how important the drug is to the mother.
⚠️ Talk to your doctor before taking any medicine during pregnancy or while breastfeeding.
Dosage Reference
⚠️ Reference ranges from official sources only. Consult your doctor for personalized dosing.