ArticleChildren (Basel, Switzerland)2026
Obesity-Related Changes in Growth Hormone Stimulation Test Performance Under Pediatric Growth Hormone Deficiency.
Article in Children (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Nutritional Status of Children with Short Stature Is Oppositely Associated with Growth Hormone Peak in Stimulation Tests and Insulin-like Growth Factor-1 Concentration.Journal of clinical medicine · 2026Article
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Authors and funding
2 authors.
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Abstract
BACKGROUND/
objectivesThe objective of this study is to determine the extent to which obesity alters the diagnostic reliability of the clonidine stimulation test (CST) for growth hormone deficiency (GHD) and whether incorporating insulin-like growth factor 1 (IGF-1) and the annual growth velocity standard deviation score (GV SDS) improves diagnostic precision.
methodsThis retrospective study included 101 children evaluated for short stature using the clonidine stimulation test, with serum GH concentrations determined by a two-site, solid-phase, enzyme-labeled chemiluminescent immunometric assay (Immulite 2000 XPi, Siemens Healthcare Diagnostics, USA). Diagnostic performance was compared between overweight/obese (
resultsThe median GH peak was significantly lower in overweight/obese children (4.5 [IQR 2.0-7.4] vs. 8.2 [5.1-11.5] ng/mL;
conclusionsFixed GH cutoffs may lead to the misclassification of GHD in children with elevated BMI. Obesity significantly reduces the specificity and diagnostic accuracy of CST, increasing false-positive results. A two-step approach integrating IGF-1 and GV improves diagnostic precision and helps to differentiate true GHD from obesity-related GH suppression.
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