Diversity of pubertal testosterone changes in boys with constitutional delay in growth and/or adolescence

Howard E. Kulin, Jordan W. Finkelstein, M. Rose D'Arcangelo, Elizabeth J. Susman, Vernon Chinchilli, Susan Kunselman, Jacqueline Schwab, Laurence Demers, Georgia Lookingbill

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

In a group of 22 boys with constitutional delay in growth and/or adolescence, intermittent testosterone enanthate treatment was employed in a randomized clinical trial at multiple doses ranging from 25-100 mg every two weeks for three month periods extending over 15-21 months. Twelve of the patients displayed a prompt increase in endogenous testosterone levels during the study period, reaching levels in the adult male range (>250 ng/dl). The remaining 10 boys showed sluggish changes in endogenous testosterone during the investigation, ranging from 35-177 ng/dl. The bone ages and testicular sizes of the two groups at study initiation did not differ though urine LH was significantly less at study entry in the slowly maturing group. The data reveal a great diversity in the pace and pattern of endogenous testosterone changes in the study population. The results also suggest that exogenous sex steroid treatment of such patients does not speed up the central nervous system processes controlling the onset and progression of puberty. Boys with delayed puberty should be followed until endogenous testosterone levels reach the adult male range in order to rule out mild gonadotropin deficits.

Original languageEnglish (US)
Pages (from-to)395-400
Number of pages6
JournalJournal of Pediatric Endocrinology and Metabolism
Volume10
Issue number4
DOIs
StatePublished - Jan 1 1997

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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