Bone density and turnover in young adult patients with growth hormone deficiency after 2-year growth hormone replacement according with gender

F. Rota, M. C. Savanelli, L. Tauchmanova, S. Savastano, G. Lombardi, A. Colao, C. Di Somma

Research output: Contribution to journalArticlepeer-review

Abstract

GH deficiency (GHD) in adults is accompanied by reduced bone mass that may revert only after 2 yr of GH replacement. However, it is unclear whether the gender may modify bone responsiveness to GH replacement in adults. In this study we have evaluated whether bone mineral density (BMD) and turnover improve after GH replacement according to patients' gender. BMD at lumbar spine (LS) and femoral neck (FN), serum osteocalcin (OC), and urinary cross-linked N-telopeptides of type I collagen (Ntx) were assessed in 64 hypopituitaric patients (35 men, 30-50 yr) before and 2 yr after the beginning of GH replacement. Values of IGF-I and BMD at LS and at FN were expressed as Z-scores. At study entry, IGF-I and BMD resulted similar among men and women with GHD. During GH replacement, IGF-1 levels increased in both men and women without any difference in the percentage of IGF-I increase between the genders (p=0.47). In women receiving estrogen replacement, however, the percentage of IGF-I increase (p

Original languageEnglish
Pages (from-to)94-103
Number of pages10
JournalJournal of Endocrinological Investigation
Volume31
Issue number2
Publication statusPublished - Feb 2008

Keywords

  • 1GF-I
  • BMD
  • Bone turnover
  • GH
  • GH deficiency
  • Osteocalcin
  • Osteopenia
  • Urinary Ntx

ASJC Scopus subject areas

  • Endocrinology

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