Growth Hormone Stimulation Tests in Children with Kabuki Syndrome

Dina A. Schott*, Willem J. M. Gerver, Constance T. R. M. Stumpel

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


Background/Aims: Kabuki syndrome is a multiple congenital malformation syndrome with a variety of clinical features including short stature. The cause of this postnatal short stature remains unknown. Methods: Eighteen children with genetically proven Kabuki syndrome (8 boys and 10 girls; ages 3.3-9.9 years, with a mean of 6.7 years) who underwent growth hormone (GH) stimulation tests were evaluated in a prospective study. Two GH stimulation tests were conducted, including insulin-like growth factor I (IGF-I) and IGF-binding protein 3 (IGFBP-3) serum levels. GH stimulation peaks in relation to age, sex, height, body mass index (BMI), IGF-I, and IGFBP-3 SD scores (SDS) were analyzed. Results: Five of the 18 children (27.8%) were biochemically GH deficient. This was not correlated with BMI SDS. Of all patients, only 1 had an IGF-I below -2 SD and did not fulfill the GH deficiency criteria. The mean IGF-I level was below normal (-0.8 SD). All subjects had normal IGFBP-3 levels. Conclusions: The utility of performing GH stimulation tests on Kabuki syndrome children as an indication of GH status in short stature is questionable. IGF-I levels did correlate neither with the GH stimulation peak nor consequently with the diagnosis of GH deficiency.
Original languageEnglish
Pages (from-to)319-324
JournalHormone Research in Paediatrics
Issue number5
Publication statusPublished - 2016


  • Kabuki syndrome
  • Growth hormone
  • Insulin-like growth factor I
  • Insulin-like growth factor-binding protein 3


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