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Review
Are there potential problems with generic substitution of antiepileptic drugs? A review of issues.
- P Crawford, M Feely, A Guberman, and G Kramer.
- York Hospital, Wigginton Road, York YO31 8HE, UK. pamela.crawford@york.nhs.uk
- Seizure. 2006 Apr 1; 15 (3): 165-76.
AbstractIn response to increasing cost pressures, healthcare systems are encouraging the use of generic medicines. This review explores potential problems with generic substitution of antiepileptic drugs (AEDs). A broad search strategy identified approximately 70 relevant articles. Potential problems with generic substitution included: The limited evidence (mainly case reports with some pharmacokinetic studies) appears to support these concerns for older AEDs. As a result, restrictions on use of specific generic AEDs are in place in some countries and recommended by some lay epilepsy organisations. As more AEDs lose patent protection, it is important to examine the question of whether generic substitution may pose problems for patients with epilepsy, and whether there should be safeguards to ensure that both physician and patient are informed when generic substitution occurs.
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