Español
Questions About Cancer? 1-800-4-CANCER
  • Print
  • Facebook
  • Twitter
  • Google+
  • Pinterest

NCI Dictionary of Cancer Terms


LH-RH agonist  listen  (... A-guh-nist)

  A substance that keeps the testicles and ovaries from making sex hormones by blocking other hormones that are needed to make them. In men, LH-RH agonists cause the testicles to stop making testosterone. In women, they cause the ovaries to stop making estrogen and progesterone. Some LH-RH agonists are used to treat prostate cancer. Also called GnRH agonist, gonadotropin-releasing hormone agonist, and luteinizing hormone-releasing hormone agonist.