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Melatonin use for neuroprotection in perinatal asphyxia: a randomized controlled pilot study

Journal of Perinatology volume 35, pages 186–191 (2015)Cite this article

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Abstract

Objective:

Melatonin has been shown to be neuroprotective in animal models. The objective of this study is to examine the effect of melatonin on clinical, biochemical, neurophysiological and radiological outcomes of neonates with hypoxic–ischemic encephalopathy (HIE).

Study Design:

We conducted a prospective trial on 45 newborns, 30 with HIE and 15 healthy controls. HIE infants were randomized into: hypothermia group (N=15; received 72-h whole-body cooling) and melatonin/hypothermia group (N=15; received hypothermia and five daily enteral doses of melatonin 10 mg kg−1). Serum melatonin, plasma superoxide dismutase (SOD) and serum nitric oxide (NO) were measured at enrollment for all infants (N=45) and at 5 days for the HIE groups (N=30). In addition to electroencephalography (EEG) at enrollment, all surviving HIE infants were studied with brain magnetic resonance imaging (MRI) and repeated EEG at 2 weeks of life. Neurologic evaluations and Denver Developmental Screening Test II were performed at 6 months.

Result:

Compared with healthy neonates, the two HIE groups had increased melatonin, SOD and NO. At enrollment, the two HIE groups did not differ in clinical, laboratory or EEG findings. At 5 days, the melatonin/hypothermia group had greater increase in melatonin (P<0.001) and decline in NO (P<0.001), but less decline in SOD (P=0.004). The melatonin/hypothermia group had fewer seizures on follow-up EEG and less white matter abnormalities on MRI. At 6 months, the melatonin/hypothermia group had improved survival without neurological or developmental abnormalities (P<0.001).

Conclusion:

Early administration of melatonin to asphyxiated term neonates is feasible and may ameliorate brain injury.

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Author information

Authors and Affiliations

  1. Department of Newborn Services, George Washington University and Children’s National Medical Center, Washington, DC, USA,

    H Aly & M El-Dib

  2. Department of Neonatology, Tanta University, Tanta, Egypt

    H Elmahdy, M Rowisha, M Awny & A-R El-Mashad

  3. Department of Neurology, Tanta University, Tanta, Egypt,

    T El-Gohary

  4. Department of Biochemistry, Tanta University, Tanta, Egypt

    M Elbatch

  5. Department of Radiology, Tanta University, Tanta, Egypt

    M Hamisa

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  1. H Aly
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Correspondence to H Aly.

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Aly, H., Elmahdy, H., El-Dib, M. et al. Melatonin use for neuroprotection in perinatal asphyxia: a randomized controlled pilot study. J Perinatol 35, 186–191 (2015). https://doi.org/10.1038/jp.2014.186

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