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Cholesterol supplementation does not improve developmental progress in Smith-Lemli-Opitz syndrome

Darryn M Sikora1, Mark Ruggiero, Kersti Petit-Kekel

  • 1Departments of Pediatrics, Doernbecher Children's Hospital, Portland, Oregon, USA. sikorad@ohsu.edu

The Journal of Pediatrics
|June 12, 2004
PubMed

Insights

Cholesterol supplementation did not improve developmental progress in children with Smith-Lemli-Opitz syndrome (SLOS). Baseline cholesterol levels were the best predictor of developmental outcomes in this 6-year study.

Area of Science:

  • Biochemistry
  • Genetics
  • Pediatrics

Background:

  • Smith-Lemli-Opitz syndrome (SLOS) is a genetic disorder characterized by malformations, growth deficiency, and intellectual disability.
  • Cholesterol supplementation is a common treatment approach for managing SLOS symptoms.

Purpose of the Study:

  • To assess the long-term (6-year) developmental progress of children and adolescents with SLOS receiving continuous cholesterol supplementation.
  • To evaluate the impact of cholesterol supplementation on cognitive, motor, and adaptive skills in SLOS patients.

Main Methods:

  • A longitudinal study involving 14 patients with SLOS receiving continuous cholesterol supplementation.
  • Developmental assessments conducted every 6 to 12 months.
  • Analysis using repeated-measures design and multiple t tests to evaluate progress over time.

Main Results:

  • No significant improvement in developmental quotients was observed in children with SLOS during the 6-year study period.
  • Baseline cholesterol levels, not the age of supplementation initiation or cholesterol level increase, were the strongest predictors of developmental outcomes.
  • The current form of cholesterol supplementation did not enhance developmental progress.

Conclusions:

  • Cholesterol supplementation, as currently administered, does not appear to improve developmental outcomes in individuals with SLOS.
  • Further research may be needed to explore alternative or modified therapeutic strategies for SLOS.
Abstract

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