Prolactin-Secreting Tumors and Hypogonadism in Men

  • B. A. Schainker
  • , T. J. Cicero
  • , Bruno Ambrosi
  • , Roberto Elli
  • , Maria Gaggini
  • , Maurizio Rondena
  • , Giovanni Faglia
  • , J. H. Tyson

Research output: Contribution to journalLetterpeer-review

Abstract

To the Editor: We commend Carter et al.1 for a well designed study indicating reversal of hypogonadism, impotence and decreased libido in men with prolactin-secreting pituitary tumors after bromocriptine pharmacotherapy. We suggest the possible alternative use of naloxone to suppress serum prolactin while simultaneously stimulating the hypothalamic-pituitary-gonadal axis centrally. Opiate narcotics and opioid peptides acutely depress serum luteinizing hormone and elevate serum prolactin in rat and man.2 3 4 5 Conversely, the narcotic antagonists naloxone and naltrexone have opposite effects.6 7 8 This phenomenon has been extensively studied in the male rat and apparently reflects normal suprasellar modulation of the hypothalamic-pituitary-gonadal axis by endogenous opioid.

Original languageEnglish
Pages (from-to)563-564
Number of pages2
JournalNew England Journal of Medicine
Volume300
Issue number10
DOIs
StatePublished - Mar 8 1979

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