Skip to Content


In some countries, this medicine may only be approved for veterinary use.



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Gonadotropin-releasing hormone (GnRH) agonist with selective stimulation of FSH-release

Chemical Name

5-oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-histidyl-L-α-asparagyl-L-tryptophyl-L-lysyl-L-prolylglycinamide (WHO)

Foreign Names

  • Peforelinum (Latin)
  • Peforelin (German)
  • Péforéline (French)
  • Peforelina (Spanish)

Brand Names

  • Maprelin [veterinary use]
    Bayer Santé Animale, France; Provet, Switzerland; Veyx, Estonia; Veyx Pharma, Belgium; Veyx Pharma, Germany; Veyx-Pharma, United Kingdom; Veyx-Pharma, Ireland; Veyx-Pharma, Poland; WDT, Germany
  • Maprelin voor varkens [veterinary use]
    Veyx-Pharma, Netherlands


Rec.INNRecommended International Nonproprietary Name (World Health Organization)
WHOWorld Health Organization

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.