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  • Title: Antimyoclonic effect of levetiracetam in 13 patients with Unverricht-Lundborg disease: clinical observations.
    Author: Magaudda A, Gelisse P, Genton P.
    Journal: Epilepsia; 2004 Jun; 45(6):678-81. PubMed ID: 15144434.
    Abstract:
    PURPOSE: Disabling myoclonus is the main symptom in long-standing Unverricht-Lundborg disease (ULD), and levetiracetam (LEV) appears to be an effective anticonvulsant with promising short-term antimyoclonic properties. METHODS: LEV was prescribed to 13 patients with ULD. We retrospectively analyzed the efficacy of LEV on seizure frequency and on myoclonus, by using a simplified myoclonus rating score, and compared the patients' status before LEV and at the last follow-up. They were two women and 11 men, aged 14 to 52 years (mean, 36.5 years), with a disease duration of 4 to 40 years (mean, 24.3 years). LEV was given at 2,000 to 4,000 mg/d for 0.5 to 26 months (mean, 13.8 months). RESULTS: One patient stopped LEV within 2 weeks because of side effects and lack of efficacy. None of the other 12 patients reported side effects. The average myoclonus score significantly changed from 3.1 to 2.4 (p = 0.01), but only eight had a measurable improvement. CONCLUSIONS: The best effects were noted in the younger patients. In patients previously treated with high-dose piracetam (PIR), discontinuation of PIR was not always well tolerated, and a combination of PIR at lower doses and LEV appeared to be a practical solution. LEV should probably be considered as a major treatment option early in the course of ULD.
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