Predicting the Growth Response of Children with Idiopathic Growth Hormone Deficiency to One Year of Recombinant Growth Hormone Treatment: Derivation and Validation of a Useful Method

Author(s):  
A. Lechuga-Sancho ◽  
J.L. Lechuga-Campoy ◽  
J. del Valle-Núñez ◽  
F. Rivas-Crespo
PLoS ONE ◽  
2021 ◽  
Vol 16 (7) ◽  
pp. e0252283
Author(s):  
Ji Hyun Kim ◽  
Su Jin Kim ◽  
Jieun Lee ◽  
Choong Ho Shin ◽  
Ji-Young Seo

Growth hormone treatment strategies to achieve the goal include the titration of GH doses according to serum insulin-like growth factor I (IGF-I) concentrations. However, IGF-I levels do not always correlate well with the growth response. This study aims to identify the factors affecting the IGF-I concentration and identify the relationship between IGF-I and the treatment response. The data of prepubertal children treated with recombinant human GH for more than one year were obtained from the LG Growth Study (LGS) Database. This study includes patients with idiopathic growth hormone deficiency (IGHD), organic growth hormone deficiency (OGHD), or Turner syndrome (TS) or small for gestational age (SGA). Among 2,021 participants registered in LGS, 366 subjects were selected, 252 had IGHD, 16 had OGHD, 31 had TS, and 67 were SGA. In the IGHD and SGA groups, IGF-I levels had a positive correlation with weight SDS. There was no significant relationship between the pre-treatment IGF-I level and growth response. However, in the IGHD group, the growth response was significantly higher when the change in the IGF-I SDS value was 1 or more (p = 0.0013). Therefore, IGF-I concentrations should be used as an indicator to monitor the treatment compliance rather than for efficacy determination in Korean children of short stature with GH treatment.


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