Progesterone has no effect on serum thyroxine binding globulin concentration in men

James J.S. Chen, Paul W. Ladenson

Research output: Contribution to journalArticlepeer-review

Abstract

To examine the possible effect of progesterone on circulating T4-binding globulin (TBG) in men, RIA measurements of plasma TBG and T4 levels were made before and after weekly administration of 500 mg medroxyprogesterone acetate, im, to men being treated for paraphilia (sexual deviation syndromes). No change in the mean pretreatment plasma TBG concentration was found after 7-29 days [21.5 ± 1.2 (±SEM) to 22.0 ± 0.9 Mg/ml; n = 14) or 381-415 days (23.0 ± 2.5 to 23.1 ± 2.5 fig/ml; n = 5) of medroxyprogesterone treatment. Similarly, the mean pretreatment plasma T4 concentration was unaltered by acute (9.7 ± 0.6 to 9.7 ± 0.4 Mg/dl; n = 14) or chronic (11.1 ± 1.2 to 11.4 ± 1.0 Mg/dl; n = 5) medroxyprogesterone therapy. We conclude that progestational agents alone do not modify circulating TBG or total T4 concentrations in men.

Original languageEnglish (US)
Pages (from-to)983-985
Number of pages3
JournalJournal of Clinical Endocrinology and Metabolism
Volume61
Issue number5
DOIs
StatePublished - Nov 1985

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Endocrinology
  • Clinical Biochemistry
  • Biochemistry, medical

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