[Pituitary gonadotropin releasing hormone (GnRH) and breast cancer]

Peptide and steroidal hormones, growth promoting factors and other trophic factors are all involved in the regulation of tumoral growth. Hormonal therapy of breast cancer includes a medical treatment and surgical as well, such as oophorectomy and hypophysectomy. The hormone-dependent cancer like breast cancer, is treated with anti-estrogenic substances, but with the arrival of analogues of gonadotropins releasing (a-GnRH) hormone; these neuropeptides may have an important role in the treatment of breast cancer, due to the few side effects.