Carbamazepine as a sole anticonvulsant for partial seizures
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Published on: June 25, 2016
Insights
Carbamazepine (CBZ) effectively controls partial seizures in children, with therapeutic serum concentrations observed in seizure-free patients. Side effects like transient leucopenia were noted, and monotherapy showed higher serum levels than combination therapy.
Area of Science:
- Pediatric Neurology
- Clinical Pharmacology
Background:
- Partial seizures are a common form of epilepsy in children.
- Carbamazepine (CBZ) is a widely used antiepileptic drug.
Purpose of the Study:
- To evaluate the efficacy, serum concentration, and side effects of carbamazepine (CBZ) in children with partial seizures.
- To compare CBZ serum levels in monotherapy versus combination therapy.
Main Methods:
- A study involving 27 children (ages 5-17) with partial seizures.
- A control group of 15 patients with epilepsy on CBZ and other anticonvulsants.
- Monitoring of seizure control, serum CBZ levels, EEG, and adverse events.
Main Results:
- Nineteen of 27 patients achieved complete seizure control with serum CBZ levels ranging from trace to 15.6 mcg/ml.
- No significant difference in serum CBZ levels between controlled and uncontrolled seizure groups.
- EEG improvement in 7 seizure-free patients with serum levels between 5.9-13.2 mcg/ml.
- Transient leucopenia in 4 patients; elevated GOT/GPT in 2 patients.
- Monotherapy group had significantly higher serum CBZ levels than the combined therapy group.
Conclusions:
- Carbamazepine (CBZ) demonstrates efficacy in controlling partial seizures in pediatric patients.
- Therapeutic serum concentrations of CBZ are achievable, with some patients showing improvement in EEG.
- Adverse effects are generally mild, and monotherapy leads to higher serum concentrations compared to combination therapy.
Abstract:
The efficacy, serum concentration and side effects of CBZ for partial seizures in children were evaluated. The study was undertaken on 27 patients with partial seizures ranging from 5 to 17 years of age. Further 15 patients with various types of epilepsy taking CBZ with other anticonvulsants were selected as controls to compare the serum levels of CBZ. In nineteen of the 27 patients seizures were controlled completely, in whom serum CBZ levels varied fro trace to 15.6 mcg/ml, average being 8.18 +/- 3.40 mcg/ml, while those of uncontrolled ones ranged from 3.5 to 11.3 mcg/ml, average being 7.50 +/- 2.97 mcg/ml. There was no significant difference between both groups of the above. EEG was improved in the seven of 19 seizure-free cases, serum levels of which ranged from 5.9 to 13.2 mcg/ml. With regard to the side effects, transient leucopenia was observed in four patients and serum GOT and GPT slightly elevated in two. Correlation between dose and serum level in the monotherapy group was not significant as well as in the combined therapy group. Serum DBZ levels in the monotherapy group were significantly higher than those in combined therapy group.
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