Long-term effects of levetiracetam and valproic acid on laboratory parameters in childhood epilepsy

Abstract

Epilepsy is the most common neurological disorder in childhood which often requires long-term or sometimes lifelong treatment. In this study, we aimed to evaluate the change in hematological and biochemical laboratory parameters at the 24th month compared to the treatment baseline values in pediatric epilepsy patients receiving levetiracetam (LEV) and valproic acid (VPA) monotherapy. Complete blood count panel, biochemical and hormonal parameters were investigated retrospectively at baseline and at 24 months in patients diagnosed with epilepsy at the Balikesir University Medical Faculty pediatric neurology clinic, Türkiye, and started on LEV and VPA monotherapy between 01.08.2019 and 01.08.2022. Forty-nine patients were using LEV and 14 VPA. A statistically significant difference in terms of the complete blood count parameters mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH) was observed in the cases using LEV between baseline and the 24th month of treatment (p=0.006, p=0.004). Among the cases using VPA, significant differences between baseline and the 24th month of treatment were determined in the complete blood count parameters red blood cell (RBC), MCV, and monocyte (MON)% values (p=0.004, p=0.022, and p=0.01). In conclusion, epilepsy treatment is a lengthy process in pediatric patients, and patients need to be monitored using hematological and biochemical parameters at specific intervals in terms of potential seizure drug side effects.