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Long-term response to growth hormone (GH) therapy in short children with a delayed infancy childhood transition (DICT)
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
2011 (English)In: Pediatric Research, ISSN 0031-3998, E-ISSN 1530-0447, Vol. 69, 504-510 p.Article in journal (Refereed) Published
Abstract [en]

Transition of growth from infancy to childhood is associated with activation of the GH-IGF-I axis. Children with a delayed infancy-childhood-transition (ICT) are short as adults. Thus, age at ICT may impact on growth response to GH. The objective was to investigate associations between growth response to GH-treatment and ICT-timing in children with idiopathic short stature (ISS) in a randomized, controlled, multicenter trial, TRN 88-080. 147 pre-pubertal children (mean age, 11.5±1.4 yrs) were randomized to receive GH 33μg/kg/d (GH33, n=43), GH 67μg/kg/d (GH67, n=61) or no treatment (n=43). Data on growth to final height (FH) were analyzed after categorization into those with normal (n=76) or delayed ICT (n=71). Within the GH33 group, significant height gain at FH was only observed in children with a delayed ICT (p<0.001) with each month of delay corresponding to gain of 0.13 standard deviation score (SDS). For the GH67 group, the timing of the onset of the ICT had no impact on growth response. In conclusion, ISS children with a delayed ICT responded to standard-GH-dose (better responsiveness), whereas those with a normal ICT required higher doses to attain a significant height gain to FH.

Place, publisher, year, edition, pages
2011. Vol. 69, 504-510 p.
National Category
URN: urn:nbn:se:umu:diva-42915DOI: 10.1203/PDR.0b013e3182139243PubMedID: 21297523OAI: diva2:410747
Available from: 2011-04-14 Created: 2011-04-14 Last updated: 2012-03-27Bibliographically approved

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