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Related Experiment Videos

Lamotrigine add-on for drug-resistant partial epilepsy.

S Ramaratnam1, A G Marson, G A Baker

  • 1Department of Neurology, Apollo Hospitals, 21 Greams Lane, Off Greams Road, Madras, Tamil Nadu, India, 60006. rsridharan@vsnl.com

The Cochrane Database of Systematic Reviews
|November 1, 2001
PubMed
Summary

Lamotrigine is an effective add-on treatment for drug-resistant partial epilepsy, significantly reducing seizure frequency. However, associated side effects like ataxia and dizziness require careful monitoring.

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Area of Science:

  • Neurology
  • Pharmacology

Background:

  • Epilepsy affects 0.5-1% of the population, with nearly 30% of patients exhibiting drug resistance.
  • Lamotrigine represents a newer antiepileptic drug option for managing refractory epilepsy.

Purpose of the Study:

  • To evaluate lamotrigine's efficacy as an add-on therapy for drug-resistant partial epilepsy.
  • To assess lamotrigine's impact on seizure frequency, side effects, cognition, and quality of life.

Main Methods:

  • Systematic review of randomized placebo-controlled trials (RCTs) and crossover studies.
  • Searched Cochrane Epilepsy Group trials register, Cochrane Controlled Trials Register, and MEDLINE.
  • Data extraction and analysis by two independent reviewers, focusing on intention-to-treat.

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Main Results:

  • Lamotrigine significantly reduced seizure frequency by over 50% compared to placebo (OR 2.71).
  • Treatment withdrawal rates were similar between lamotrigine and placebo (OR 1.12).
  • Significantly associated side effects included ataxia, dizziness, nausea, and diplopia.

Conclusions:

  • Lamotrigine add-on therapy demonstrates efficacy in reducing seizure frequency for drug-resistant partial epilepsy.
  • Further research is necessary to evaluate long-term effects and compare lamotrigine with other add-on antiepileptic drugs.