Increased oxidative stress in epileptic children treated with valproic acid
Related Experiment Video
Updated: Jul 8, 2026

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
Alberto Verrotti1, Alessandra Scardapane, Emilio Franzoni
1Department of Medicine, Section of Pediatrics, University of Chieti, Italy. averrott@unich.it
Insights
Valproic Acid (VPA) treatment in epileptic children can lead to oxidative stress, particularly in those who become overweight. This highlights the importance of monitoring metabolic and oxidative status during VPA therapy.
Area of Science:
- Pediatric Neurology
- Metabolic Disorders
- Oxidative Stress Research
Background:
- Epilepsy affects children, and treatments like Valproic Acid (VPA) are common.
- Obesity is a growing concern in pediatric populations.
- Oxidative stress plays a role in various chronic conditions.
Purpose of the Study:
- To investigate the impact of VPA treatment on oxidative status in epileptic children.
- To compare oxidative markers in non-obese versus overweight children receiving VPA.
- To assess changes in metabolic parameters alongside oxidative status.
Main Methods:
- Prospective study of 31 epileptic children undergoing 1 year of VPA therapy.
- Comparison with 31 age-, sex-, and BMI-matched healthy controls.
- Measurement of serum insulin, glucose, plasma Vitamin E, Lag phase, and Malondialdehyde (MDA) levels.
Main Results:
- 11 (35.5%) epileptic patients developed obesity during VPA treatment.
- Obese VPA-treated patients showed significantly lower Vitamin E and higher MDA and Lag phase levels.
- These oxidative markers were compared between obese VPA-treated, non-obese VPA-treated, and control groups.
Conclusions:
- Oxidative stress emerges in overweight epileptic children after 1 year of VPA therapy.
- Obesity appears to be a key factor driving increased oxidant markers.
- Elevated oxidative stress may predispose to future endothelial dysfunction and atherosclerosis.
Purpose:
To determine influence of Valproic Acid (VPA) treatment on oxidative status in non-obese and overweight epileptic children.
Methods:
A prospective study was conducted at the Departments of Pediatrics, University of Chieti and Bologna. Thirty-one epileptic children were studied before and after 1 year of therapy with VPA. Also 31 sex-, age- and BMI-matched healthy controls were evaluated. Insulin and glucose serum levels and plasma Vitamin E, Lag phase and Malondialdehyde (MDA) levels were determined.
Results:
Before the beginning of VPA therapy, insulin and glucose serum values and plasma Vitamin E, Lag phase and MDA levels were normal in all subjects. At the end of follow-up, 11 (35.5%) epileptic patients developed obesity. In obese VPA treated patients, we found lower serum levels of antioxidant (Vitamin E, p<0.001) and higher levels of oxidant markers (MDA, p<0.001; Lag phase, p<0.001) compared to VPA-treated non-obese patients and controls.
Conclusion:
After 1 year of VPA therapy oxidative stress occurs only in overweight children. This increase in the levels of oxidant markers, probably caused by obesity, might contribute to the development of endothelial dysfunction and atherosclerosis later in life.
More Related Videos
08:28Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
Published on: April 5, 2011
10:22Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
Published on: December 6, 2016
Related Concept Videos
Epilepsy and Seizures: Overview
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
Antiepileptic Drugs: Glutamate Antagonists
Antiepileptic Drugs: GABAergic Pathway Potentiators
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
Antiepileptic Drugs: Potassium Channel Activators
Ezogabine has gained approval as an adjunctive treatment...
Phase I Reactions: Oxidation of Aliphatic and Aromatic Carbon-Containing Systems
Oxidation reactions are fundamental in aromatic carbon-containing systems. An example is the hydroxylation of phenobarbital, a process that transforms it into...