Ferring, LH-RH Tanabe, Oestracton, OvaCyst, Ovsynch, OVsynch, Ovurelin, Ovarelin, and Relefact LH-RH. The majority of these brand names are for veterinary use. Availability Gonadorelin is available widely throughout the world for veterinary use, including in the United States, Canada, the United Kingdom, Ireland, elsewhere throughout Europe, South Africa, Australia, New Zealand, Japan, Taiwan, and in many other countries. However, gonadorelin is not available for clinical use in humans in the United States. See also Gonadotropin-releasing hormone receptor § Agonists References GnRH agonists Peptides Progonadotropins Veterinary drugs