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Vitamins for epilepsy.

L N Ranganathan1, S Ramaratnam

  • 1Institute of Neurology, Madras Medical College, 18 Appa Kannu Lane, 1st floor, "Garuda Sailam", Royapetta, Chennai, Tamil Nadu, India, 600014. ln1@vsnl.com

The Cochrane Database of Systematic Reviews
|April 23, 2005
PubMed
Summary
This summary is machine-generated.

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This review found no reliable evidence for routine vitamin use in epilepsy patients due to poor study quality. Further trials are needed for vitamin D, E, and thiamine in epilepsy management.

Area of Science:

  • Neurology
  • Nutritional Science
  • Clinical Trials

Background:

  • Vitamins may control seizures and mitigate antiepileptic drug (AED) side effects.
  • Evidence from randomized controlled trials (RCTs) needs summarization.

Purpose of the Study:

  • Assess vitamin efficacy in improving seizure control.
  • Evaluate vitamin impact on reducing AED adverse effects.
  • Determine vitamin influence on quality of life in epilepsy patients.

Main Methods:

  • Searched MEDLINE, Cochrane Epilepsy Group trials, CENTRAL, and cross-references (1966-2004).
  • Included randomized or quasi-randomized studies of any vitamin(s) in epilepsy patients.
  • Assessed seizure frequency, adverse effects, bone mineral content, and quality of life outcomes.

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Main Results:

  • Fifteen poor-quality studies were included; randomization methods were often undescribed.
  • Folic acid showed no significant effect on seizure frequency or most adverse effects.
  • Vitamin D supplementation showed significantly higher bone mineral content in epilepsy patients.
  • Vitamin E demonstrated a significant decrease in seizure frequency in one small study.
  • Thiamine showed potential benefits for neuropsychological functions.

Conclusions:

  • Methodological deficiencies and limited studies preclude reliable evidence for routine vitamin use in epilepsy.
  • Further research is essential for vitamin D (osteomalacia), vitamin E (seizures), and thiamine (cognitive function).