<unk> s <unk> agonists) are a class of medications that antagonize the<unk> -releasing<unk>  receptor (GnRH receptor) and thus the action of<unk> -releasing<unk>  (GnRH). They are used in the treatment of prostate cancer, endometriosis, uterine fibroids, female infertility in assisted reproduction, and for other indications. Some<unk> agonists, such as cetrorelix, are similar in structure to natural GnRH (a<unk>  made by neurons in the hypothalamus) but that have an<unk> ic effect, while other<unk> agonists, such as elagolix and relugolix, are non-peptide and small-molecule compounds.<unk> agonists compete with natural GnRH for binding to GnRH receptors, thus decreasing or blocking GnRH action in the body.
Gonadotropin-releasing hormone antagonist
Gonadotropin-releasing hormone agonist
Gonadotropin-releasing hormone modulator
Prolactin modulator
Antiandrogen
Steroidogenesis inhibitor
Thyroid blocker
17α-Alkylated anabolic steroid