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Updated: Jun 6, 2025
The Hypoxic Ischemic Encephalopathy Model of Perinatal Ischemia
Published on: November 19, 2008
Antioxidant Therapy in Neonatal Hypoxic Ischemic Encephalopathy: Adjuvant or Future Alternative to Therapeutic
Veronica Notarbartolo1, Bintu Ayla Badiane2, Vita Maria Angileri3
1Neonatology and Neonatal Intensive Care Unit, University Hospital "Paolo Giaccone", 90127 Palermo, Italy.
Insights
Oxidative stress impacts newborns, leading to various diseases. Promising antioxidant therapies like melatonin and N-acetylcysteine (NAS) show potential as alternatives to therapeutic hypothermia (TH) for hypoxic ischemic encephalopathy (HIE).
Area of Science:
- Neonatal medicine
- Pediatric oxidative stress research
- Perinatal neuroprotection
Background:
- Newborns face oxidative stress-related diseases due to imbalanced pro-oxidant/antioxidant levels.
- This imbalance is linked to conditions like hypoxic ischemic encephalopathy (HIE), retinopathy of prematurity (ROP), bronchopulmonary dysplasia (BPD), necrotizing enterocolitis (NEC), and patent ductus arteriosus (PDA).
Purpose of the Study:
- To review recent literature on antioxidant therapies for neonatal oxidative stress-related diseases.
- To evaluate the efficacy of various antioxidant treatments as potential alternatives or adjuncts to therapeutic hypothermia (TH).
Main Methods:
- A narrative review of literature published between 2012 and 2024.
- Searches were conducted using Scopus and PubMed databases.
- Included observational and experimental studies (in vitro and in vivo).
Main Results:
- Antioxidant therapies including melatonin, erythropoietin (EPO), allopurinol, N-acetylcysteine (NAS), and nitric oxide synthase (NOS) inhibitors have been studied.
- Therapeutic hypothermia (TH) is the current standard for perinatal asphyxia, reducing mortality and disability.
- Melatonin, allopurinol, NAS, NOS inhibitors, magnesium sulfate, and stem cells show promise.
Conclusions:
- Melatonin, allopurinol, NAS, NOS inhibitors, magnesium sulfate, and stem cells are promising for treating HIE.
- These agents may serve as adjuvants or future alternatives to TH.
- Further research into these antioxidant therapies is warranted for neonatal care.
Background:
Oxidative stress-related diseases in newborns arise from pro-oxidant/antioxidant imbalance in both term and preterm neonates. Pro-oxidant/antioxidant imbalance has shown to be present in different pathological conditions such as hypoxic ischemic encephalopathy (HIE), retinopathy of prematurity (ROP), bronchopulmonary dysplasia (BPD), necrotizing enterocolitis (NEC), and patent ductus arteriosus (PDA).
Methods And Results:
We performed a narrative review according to the most recent available literature (2012-2024), using Scopus and PubMed as electronic databases. Many observational and experimental studies in vitro and in vivo have evaluated the effectiveness of antioxidant therapies such as melatonin, erythropoietin (EPO), allopurinol, N-acetylcisteine (NAS), and nitric oxide synthase (NOS) inhibitors in these diseases. Perinatal asphyxia is one of the most important causes of mortality and morbidity in term and near-term newborns. Therapeutic hypothermia (TH) is the gold standard treatment for neonates with moderate-severe perinatal asphyxia, resulting in a reduction in the mortality and neurodevelopmental disability rates.
Conclusions:
According to the most recent literature and clinical trials, melatonin, allopurinol, NAS, NOS inhibitors, magnesium sulfate, and stem cells stand out as promising as both adjuvants and future probable alternatives to TH in the treatment of HIE.
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