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Review / evidence synthesis ยท Somatropin (recombinant human growth hormone)

Systematic review: safety and efficacy of growth hormone in the healthy elderly

GH produced small mean reductions in fat mass and increases in lean mass, with no significant body-weight change and limited effects on other outcomes.

Quick read
Review / evidence synthesis

What this study tells us

This study reviewed or combined evidence from multiple studies. It can show the overall direction of a field, but its conclusion still depends on the quality and relevance of the studies it included.

Who was studied?

Community-dwelling adults, mean age about 69, without a specific GH-deficiency indication

How many?

n=220 GH-treated completers

What happened?

GH produced small mean reductions in fat mass and increases in lean mass, with no significant body-weight change and limited effects on other outcomes.

What stops us overclaiming?

Small heterogeneous trials; applies to healthy elderly people, not replacement treatment for confirmed GH deficiency.

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Key result

GH produced small mean reductions in fat mass and increases in lean mass, with no significant body-weight change and limited effects on other outcomes.

Study details

Study designSystematic review of randomized controlled trials
PopulationCommunity-dwelling adults, mean age about 69, without a specific GH-deficiency indication
Sample size220 GH-treated completers
RouteMostly subcutaneous
Regimen / exposureVaried across included RCTs; mean initial dose about 14 microg/kg/day
DurationMean ~27 weeks
ComparatorNo GH / lifestyle control
Primary endpoint / questionBody composition, metabolic outcomes and adverse events in healthy older adults
Safety resultEdema, arthralgia, carpal tunnel syndrome and gynecomastia were increased; glucose-dysregulation signals were also noted.
Key limitationsSmall heterogeneous trials; applies to healthy elderly people, not replacement treatment for confirmed GH deficiency.
Registry / identifierPMID 17227934