Potential safety issues in the use of the hormone melatonin in paediatrics

Publisher: John Wiley & Sons Inc

E-ISSN: 1440-1754|51|6|584-589

ISSN: 1034-4810

Source: JOURNAL OF PAEDIATRICS AND CHILD HEALTH, Vol.51, Iss.6, 2015-06, pp. : 584-589

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Abstract

AbstractMelatonin is a hormone produced by the pineal gland during the night in response to light/dark information received by the retina and its integration by the suprachiasmatic nucleus. When administered to selected populations of adults, in particular those displaying delayed sleep phase disorder, melatonin may advance the time of sleep onset. It is, however, being increasingly prescribed for children with sleep disorders despite the fact that (i) it is not registered for use in children anywhere in the world; (ii) it has not undergone the formal safety testing expected for a new drug, especially long‐term safety in children; (iii) it is known to have profound effects on the reproductive systems of rodents, sheep and primates, as well as effects on the cardiovascular, immune and metabolic systems; and (iv) there is the potential for important interactions with drugs sometimes prescribed for children. In this review, I discuss properties of melatonin outside its ability to alter sleep timing that have been widely ignored but which raise questions about the safety of its use in infants and adolescents.