Melatonin Administration from 2000 to 2020 to Human Newborns with Hypoxic-Ischemic Encephalopathy

Gabriella D'angelo1, Laura Cannavò1, Russel J Reiter2

  • 1Neonatal and Pediatric Intensive Care Unit, Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi," University of Messina, Messina, Italy.

Insights

Hypoxic-ischemic encephalopathy (HIE) is a major cause of infant neurodevelopmental issues. Melatonin, with its antioxidant and anti-inflammatory properties, shows promise for treating perinatal asphyxia, potentially improving outcomes when combined with hypothermia.

Area of Science:

  • Neonatal neurology
  • Pediatric critical care
  • Pharmacology

Background:

  • Hypoxic-ischemic encephalopathy (HIE) is a leading cause of long-term neurodevelopmental disability in term infants globally.
  • Melatonin, a hormone with demonstrated antioxidant and anti-inflammatory properties, is being investigated for its therapeutic potential in perinatal asphyxia.
  • The combination of hypothermia and melatonin may offer synergistic neuroprotective effects for infants with HIE.

Purpose of the Study:

  • To review the existing research on the neuroprotective effects of melatonin in infants with HIE.
  • To summarize the advantages and limitations of studies investigating melatonin for HIE treatment.
  • To highlight the need for larger clinical trials in newborns.

Main Methods:

  • Literature review of studies on melatonin's efficacy in reducing oxidative stress.
  • Analysis of animal studies demonstrating melatonin's neuroprotective capabilities.
  • Examination of available clinical data, acknowledging the lack of large-scale newborn trials.

Main Results:

  • Animal studies consistently show melatonin's efficacy in reducing oxidative stress.
  • Clinical evidence in newborns is limited, with a lack of large-scale trials to confirm efficacy and safety.
  • The synergistic potential of melatonin with hypothermia warrants further investigation.

Conclusions:

  • Melatonin is a promising therapeutic agent for HIE due to its antioxidant and anti-inflammatory actions.
  • Further well-designed, large-scale clinical trials in newborns are essential to establish melatonin's role in HIE management.
  • Combining melatonin with hypothermia may enhance neuroprotection in infants suffering from perinatal asphyxia.