Document Detail


Effect of growth hormone replacement on bone mass in adults with adult onset growth hormone deficiency.
MedLine Citation:
PMID:  7634504     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Previous studies of the effect of GH replacement on bone mass in adults with GH deficiency have produced conflicting results. We have studied the effect of 6 and 12 months of GH replacement on bone mass in adults with adult onset GH deficiency. DESIGN: Double blind placebo controlled study of GH replacement (0.125 IU/kg/week for the first month and 0.25 IU/kg/week thereafter) for 6 months and an open study for a further 6 or 12 months. PATIENTS: Twenty-two adults (10 men, 12 women), aged 41.5 +/- 2.1 years (mean +/- SE, range 23.6-59.5), with adult onset GH deficiency. MEASUREMENTS: Single-energy quantitative computed tomography was used to measure vertebral trabecular bone mineral density (BMD), single-photon absorptiometry (SPA) was used to measure forearm cortical and integral bone mineral content and BMD and dual-energy X-ray absorptiometry (DXA) was used to measure lumbar spine, femoral neck, trochanteric and Ward's triangle integral BMD. RESULTS: After 6 months of GH replacement (n = 21) there was a significant decrease in forearm cortical BMD (SPA: median change -0.009 g/cm2, P = 0.01), forearm integral BMD (SPA: median change -0.016 g/cm2, P = 0.03), lumbar spine BMD (DXA: median change -0.22 g/cm2; P = 0.003) and femoral neck BMD (DXA: median change -0.029 g/cm2, P = 0.006). After 12 months of GH replacement (n = 13) there was a significant decrease in lumbar spine BMD (DXA: median change -0.035 g/cm2, P = 0.002) from baseline. There was no significant increase in bone mass at any site after 6 or 12 months of GH replacement. Change in bone mass was not influenced by sex of the patient or by presence or absence of additional pituitary hormone deficiencies. CONCLUSION: The response of bone mass to 6 and 12 months of GH replacement in adults with adult onset GH deficiency is disappointing. Longer-term studies are required to determine whether prolonged GH replacement has a beneficial effect on bone mass.
Authors:
S J Holmes; R W Whitehouse; R Swindell; G Economou; J E Adams; S M Shalet
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Clinical endocrinology     Volume:  42     ISSN:  0300-0664     ISO Abbreviation:  Clin. Endocrinol. (Oxf)     Publication Date:  1995 Jun 
Date Detail:
Created Date:  1995-09-11     Completed Date:  1995-09-11     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0346653     Medline TA:  Clin Endocrinol (Oxf)     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  627-33     Citation Subset:  IM    
Affiliation:
Department of Endocrinology, Christie Hospital NHS Trust, Manchester, UK.
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MeSH Terms
Descriptor/Qualifier:
Adult
Bone Density / drug effects*
Double-Blind Method
Female
Femur Neck
Forearm
Growth Hormone / deficiency*,  therapeutic use*
Humans
Lumbar Vertebrae
Male
Middle Aged
Time Factors
Chemical
Reg. No./Substance:
9002-72-6/Growth Hormone

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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