GnRH Antagonists

Effects

GnRH antagonists are competitive antagonists of GnRH at pituitary receptors, inhibiting the release of LH and FSH.

Indications

  • Suppression of premature LH peaks and prevention of premature ovulation in women undergoing assisted reproductive medicine.
  • Prostate cancer in adult men (degarelix).

Agents

  • Cetrorelix (Cetrotide)
  • Degarelix (Firmagon)
  • Ganirelix (Orgalutran, out of trade)