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Evaluation of Safety and Efficacy of Growth Hormone Therapy by IGF-1 Z Score in Children with Short Stature

  • Hui-Juan LiuEmail author
  • Ling-Hong Wang
  • Lu Chen
Original Research

Abstract

Introduction

This study aims to explore the safety and efficacy of growth hormone (GH) therapy by retrospectively analyzing the changes of insulin-like growth factor-1 (IGF-1) Z-scores in children with short stature after treatment with GH.

Methods

The etiology of 104 children with short stature was classified according to the GH stimulation test and IGF-1 levels: (1) growth hormone deficiency (GHD); (2) mild growth hormone deficiency (M-GHD); (3) idiopathic short stature (ISS); (4) GH insensitivity syndrome (GHIS). In addition, all patients were treated with recombinant human growth hormone (rhGH) for 12 months, and the growth rate (Gv), height, body mass, bone age, height standard deviation scores (HtSDS), IGF-1 and adverse reactions were compared among these three groups before and after treatment.

Results

The height, body mass, Gv and HtSDS were significantly higher in each group compared with those before treatment. Furthermore, the Z-score of IGF-1 significantly increased after 1 month of GH treatment and was positively correlated with the dosage of GH. Moreover, the difference in standard deviation score was significantly positively correlated with the increase in standard deviation score of IGF-1.

Conclusion

The detection of the GH-IGF-1 axis function can be carried out for the etiologic diagnosis of short stature. IGF-1 increased after rhGH treatment, and IGF-1 level was correlated to the time of therapy and dosage of GH. IGF-1-based GH dosing targeted to age- and gender-adjusted means may save medical costs and offer a more dose-sparing and potentially safer mode of therapy compared with traditional weight-based dosing.

Keywords

Endocrinology Growth hormone Short status Z-score of insulin-like growth factor-1 

Notes

Acknowledgements

We thank the participants of the study.

Funding

No funding or sponsorship was received for this study or publication of this article. The Rapid Service Fee was funded by the authors.

Authorship

All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published.

Authorship Contributions

All authors have contributed significantly to the manuscript and declare that the work is original and has not been submitted or published elsewhere.

Disclosures

Hui-Juan Liu, Ling-Hong Wang and Lu Chen have nothing to disclose.

Compliance with Ethics Guidelines

This study was conducted in accordance with the Declaration of Helsinki. This study was conducted with approval from the Ethics Committee of Henan Provincial People’s Hospital. Written informed consent was obtained from all participants.

Data Availability

The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Copyright information

© Springer Healthcare Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of PediatricsHenan Provincial People’s HospitalZhengzhouChina

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