Related Experiment Video
Updated: Aug 21, 2026

Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale
Published on: July 8, 2025
Topiramate slow dose titration: improved efficacy and tolerability
Abla M Albsoul-Younes1, Hazem A Salem, Saleh F Ajlouni
1Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan.
Insights
Slowly increasing topiramate dosage improved seizure control in children with refractory epilepsy. This approach enhanced treatment efficacy and tolerability, with most patients experiencing significant seizure reduction and manageable side effects.
Area of Science:
- Neurology
- Pediatric Epilepsy
- Pharmacology
Background:
- Topiramate is an established antiepileptic drug.
- Refractory epilepsy in children presents significant treatment challenges.
- Optimizing drug titration is crucial for improving therapeutic outcomes.
Purpose of the Study:
- To evaluate the efficacy and tolerability of a slow topiramate dose titration regimen.
- To assess topiramate as an add-on therapy in pediatric refractory epilepsy.
- To determine the impact of slow titration on seizure frequency and side effects.
Main Methods:
- Prospective, open-label, single-center add-on study.
- 22 children with refractory epilepsy participated.
- Topiramate (0.5-2 mg/kg/day) was slowly titrated over 2-week intervals to 6-12 mg/kg/day.
Main Results:
- Significant reduction in weekly seizure frequency from 23.1 to 3.5 (P < 0.001).
- 86% of patients achieved >50% seizure reduction; 31% became seizure-free.
- Mild to moderate side effects (somnolence, anorexia) were common; only 5% discontinued due to intolerance.
Conclusions:
- Slow topiramate dose titration enhances efficacy in pediatric refractory epilepsy.
- This titration strategy improves tolerability, reducing adverse events.
- Slow titration is a viable option for optimizing add-on therapy in children with difficult-to-treat epilepsy.
Abstract:
Topiramate is an effective treatment for several types of seizures. The aim of this study is to assess the efficacy and tolerability of slow topiramate dose titration as add-on therapy in childhood epilepsy. This investigation is a prospective open-label, single-center, add-on study in 22 children with a diagnosis of refractory epilepsy. Topiramate (dose 0.5-2 mg/kg/day) was titrated at 2-week intervals up to the recommended dose of 6-12 mg/kg/day. Seizure frequency rate reduction was significant, declining from 23 +/- 5.1 seizures/week (mean +/- S.E.M.) at baseline phase to 3.5 +/- 1.2 seizures/week at the end of the 16-week stabilization phase (P < 0.001). After 16 weeks of stabilization, 19 patients (86%) had more than 50% seizure reduction. Seven patients (31%) were 100% seizure-free. Two patients (9%) manifested no improvement; only one patient (5%) did not tolerate the added drug and discontinued topiramate. One patient manifested severe side effects, whereas 21 patients experienced mild to moderate side effects mostly represented by somnolence, nervousness, and anorexia with or without weight loss. We conclude that slow dose titration improves efficacy and tolerability of topiramate as add-on therapy in the treatment in refractory epilepsy.
Related Concept Videos
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: 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...
Dosage Regimens: Partial Pharmacokinetic Parameters
Dosage Regimen: Individualization
Modified-Release Drug Delivery Systems: Drug Release Characteristics
Antidepressant Drugs: MAOIs and Other Agents