Andrew Dauber, Moshe Phillip, Jean-Marc Ferran, Nicky Kelepouris, Navid Nedjatian, Anne Helene Olsen, Alexander Augusto de Lima Jorge
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引用次数: 0
Abstract
Introduction: Children with idiopathic short stature (ISS) are known to have varying responses to growth hormone (GH) treatment (GHT).
Methods: We conducted a post hoc analysis to identify clinical characteristics predictive of good and poor response during year 1 of GHT. Data from the NordiNet® IOS (NCT00960128) and the ANSWER Program (NCT01009905) were used. Patients were grouped according to their response to GHT; good, middle, and poor responders had a change in HSDS of >1.0, 0.4-1.0, and <0.4, respectively. Patients were also grouped according to their responsiveness to GH dose. Logistic regression modelling was performed to identify clinical characteristics predictive of response to GHT.
Results: The response analysis set included 207 patients. Patients were 3-11 years old (males) or 3-10 years old (females) at treatment start and were prepubertal throughout year 1 of treatment. Age at treatment start (odds ratio [OR] 0.69, 95% confidence interval [CI] 0.5;0.9, p = 0.0169) and distance from target HSDS (OR 2.05, 95% CI 1.1;3.9, p = 0.0259) were found to be significant independent predictors of being in the good- versus poor-response groups. When patients were grouped according to their responsiveness to GH dose, a positive correlation between GH dose and change in HSDS was observed.
Conclusion: We identified younger age and further distance from target HSDS as clinical predictors of response to GHT in a heterogenous population of children with ISS. Future studies, designed to identify the genetic determinants of response to GHT could further facilitate individualisation of GHT. .
期刊介绍:
The mission of ''Hormone Research in Paediatrics'' is to improve the care of children with endocrine disorders by promoting basic and clinical knowledge. The journal facilitates the dissemination of information through original papers, mini reviews, clinical guidelines and papers on novel insights from clinical practice. Periodic editorials from outstanding paediatric endocrinologists address the main published novelties by critically reviewing the major strengths and weaknesses of the studies.