Long-term pharmacologic neuroprotection after birth asphyxia: where do we stand?
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Updated: Jun 29, 2026
A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy
Published on: May 16, 2015
Frank van Bel1, Floris Groenendaal
1Perinatal Center, Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center, Utrecht, The Netherlands. f.vanbel@umcutrecht.nl
Insights
Neuroprotective strategies are crucial for reducing brain damage from birth asphyxia. Combining hypothermia with pharmacological treatments may offer future therapeutic benefits for newborns.
Area of Science:
- Neonatal Neurology
- Neuroscience
- Perinatal Medicine
Background:
- Perinatal hypoxia-ischemia (birth asphyxia) is a major cause of neonatal mortality and morbidity.
- Brain damage from birth asphyxia often results from reperfusion and reoxygenation injury.
- Decades of research have focused on developing neuroprotective strategies.
Purpose of the Study:
- To review neuroprotective strategies for perinatal hypoxia-ischemia with long-term follow-up.
- To summarize experimental and clinical findings on various neuroprotective approaches.
- To explore future therapeutic directions for birth asphyxia.
Main Methods:
- Review of experimental and clinical studies on neuroprotection in perinatal hypoxia-ischemia.
- Focus on strategies targeting excitatory neurotransmitters, free radicals, inflammation, and neurogenesis.
- Analysis of long-term follow-up data for efficacy assessment.
Main Results:
- Various neuroprotective strategies have been investigated, including modulation of neurotransmitters, free radical scavengers, anti-inflammatory agents, and promotion of neurogenesis.
- Hypothermia has demonstrated efficacy in a subset of asphyxiated neonates.
- The review synthesizes findings from diverse studies to evaluate long-term outcomes.
Conclusions:
- A combination of hypothermia and pharmacological neuroprotection is a promising future approach.
- Further research should consider potential gender-specific effects of pharmacological interventions.
- Optimizing neuroprotection is key to reducing long-term morbidity associated with birth asphyxia.
Abstract:
Perinatal hypoxia-ischemia or birth asphyxia is a serious complication with a high mortality and morbidity. For decades, neuroprotective options have been explored to reduce reperfusion and reoxygenation injury to the brain, which accounts for a substantial part of birth asphyxia-related brain damage. In this review, we focus on neuroprotective strategies with a long-term follow-up, reported in both experimental and clinical studies. Strategies related to modification of excitatory neurotransmitter production and action, reduction in free radical production and inflammation and neoneurogenesis will be briefly summarized. Since hypothermia has been proven to be beneficial for a selected group of asphyxiated neonates, we assume that a combination of this treatment option with a pharmacological means of neuroprotection will be the appropriate approach in the future. Finally, it is important to consider possible gender effects in view of the discussed pharmacological strategies.
