Available as injection and nasal spray — a versatile GnRH agonist in hormone-dependent conditions.
Also known as: Suprefact · GnRH agonist
Part of the Foundational & therapeutic peptides cluster
Overview
Buserelin is a synthetic GnRH agonist peptide used to suppress sex-hormone production in hormone-dependent conditions. It is an approved prescription medicine for prostate cancer, premenopausal breast cancer, and endometriosis, and it is used in assisted reproduction protocols. This page is educational and is not medical advice.
Source & context
Biological / chemical source: Synthetic GnRH analog
Primary research or clinical context: Approved medicine for prostate cancer, premenopausal breast cancer, endometriosis, and use in assisted reproduction (prescription)
Routes of administration
Buserelin is notable for being available both as a subcutaneous injection and an intranasal spray. The nasal route illustrates how peptide drugs can sometimes reach the circulation across mucosal surfaces, though bioavailability is lower than by injection.
Role in IVF
In assisted reproduction, GnRH agonists like buserelin are used to control the timing of ovulation by first suppressing endogenous gonadotropin surges. This lets clinicians coordinate ovarian stimulation more predictably.
FAQ about Buserelin
What is Buserelin?+
Buserelin is a synthetic GnRH agonist peptide used to suppress sex-hormone production in hormone-dependent conditions. It is an approved prescription medicine for prostate cancer, premenopausal breast cancer, and endometriosis, and it is used in assisted reproduction protocols. This page is educational and is not medical advice.
Is Buserelin an approved medicine?+
Buserelin: Approved medicine for prostate cancer, premenopausal breast cancer, endometriosis, and use in assisted reproduction (prescription). Always follow licensed medical guidance for approved products.
What is the typical length of Buserelin?+
Buserelin is commonly described as approximately 9 amino acids (GnRH agonist (nonapeptide analog)).