Final height after growth hormone therapy in peripubertal boys with a subnormal integrated concentration of growth hormone

The aim of this study was to test the effect of growth hormone (GH) therapy on final height in peripubertal boys with idiopathic short stature in whom a subnormal integrated concentration of GH (< 3.2 micrograms/l) was found. Twenty-eight peripubertal children were studied. Height was below 2 SD...

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Bibliographic Details
Published inHormone research Vol. 37; no. 4-5; p. 150
Main Authors Zadik, Z, Mira, U, Landau, H
Format Journal Article
LanguageEnglish
Published Switzerland 01.01.1992
Subjects
Adolescent
Body Height
Child
Growth Hormone - administration & dosage
Growth Hormone - blood
Growth Hormone - therapeutic use
Humans
Male
Puberty
Recombinant Proteins - administration & dosage
Recombinant Proteins - therapeutic use
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Summary:The aim of this study was to test the effect of growth hormone (GH) therapy on final height in peripubertal boys with idiopathic short stature in whom a subnormal integrated concentration of GH (< 3.2 micrograms/l) was found. Twenty-eight peripubertal children were studied. Height was below 2 SD for age, growth velocity was < 4.5 cm/year, bone age was more than 2 SD below mean for age and GH response to provocative tests was more than 10 micrograms/l. Eleven subjects (group B) were treated with recombinant GH 0.75 unit/kg/week, divided into 3 weekly doses for 2 years, and then the same weekly dose divided into daily injections was administered until final height was attained. Seventeen untreated children (group A) who were followed until cessation of growth served as controls. The GH-treated patients reached their target heights (-2.1 +/- 0.5, mean +/- SD in SDS) and predicted heights (-1.8 +/- 0.8) determined by the Bayley and Pinneau method, while the final heights of the untreated patients were significantly lower than their target heights and their predicted final heights (-2.7 +/- 0.7, -1.8 +/- 1.0 and -2.7 +/- 0.7, respectively). The main effect of GH was observed during the 1st year of treatment when height velocity was significantly higher in the GH-treated group than in the untreated one (9.3 +/- 2.1 vs. 5.3 +/- 1.1, respectively, p < 0.001). The high cost of the treatment in this specific age group should be weighed against the results.
ISSN:0301-0163
DOI:10.1159/000182300