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Analysis of Different Melatonin Secretion Patterns in Children With Sleep Disorders: Melatonin Secretion Patterns in

Ana Checa-Ros1, Antonio Muñoz-Hoyos1, Antonio Molina-Carballo1

  • 11 San Cecilio University Hospital, Department of Pediatrics, School of Medicine, University of Granada, Spain.

Journal of Child Neurology
|September 16, 2017
PubMed

Insights

Children with primary sleep disorders exhibit distinct urinary melatonin (aMT6s) excretion patterns compared to healthy controls. These variations in melatonin secretion explain differing responses to melatonin treatments in pediatric sleep disturbances.

Area of Science:

  • Pediatric Sleep Medicine
  • Chronobiology
  • Endocrinology

Background:

  • Circadian rhythms are crucial for sleep regulation in children.
  • Melatonin, a key hormone in sleep-wake cycles, is often assessed via urinary 6-sulphatoxymelatonin (aMT6s).
  • Primary sleep disorders in children can be associated with altered melatonin secretion patterns.

Purpose of the Study:

  • To investigate and compare circadian patterns of urinary aMT6s excretion in children with primary sleep disorders versus healthy controls.
  • To identify distinct melatonin (aMT) production and excretion profiles in pediatric sleep disorders.

Main Methods:

  • Recruitment of 124 children with primary sleep disorders and 124 healthy controls (aged 4-14 years).
  • Measurement of aMT6s concentrations in diurnal, nocturnal, and 24-hour urine samples.
  • Statistical analysis to compare circadian variations and levels between groups.

Main Results:

  • Healthy children demonstrated significantly higher aMT6s levels with more pronounced circadian variations (P < .001).
  • Four distinct aMT production patterns were identified in children with sleep disorders: standard, low, absent circadian variation, and hyperproduction.
  • Significant differences in aMT6s excretion patterns were observed between patient and control groups.

Conclusions:

  • Children with primary sleep disorders exhibit heterogeneous alterations in melatonin secretion patterns.
  • Understanding these specific aMT secretion profiles is essential for explaining treatment variability in pediatric sleep disturbances.
  • The findings underscore the need for individualized assessment of melatonin secretion in children with sleep disorders.

Keywords:
childrenmetabolismoutcomepediatricsleep

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