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J Am Vet Med Assoc. 2009 Dec 15;235(12):1442-9. doi: 10.2460/javma.235.12.1442.

Pregabalin as an adjunct to phenobarbital, potassium bromide, or a combination of phenobarbital and potassium bromide for treatment of dogs with suspected idiopathic epilepsy.

Author information

  • 1Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA. cwd27@cornell.edu

Abstract

OBJECTIVE:

To assess tolerability and short-term efficacy of oral administration of pregabalin as an adjunct to phenobarbital, potassium bromide, or a combination of phenobarbital and potassium bromide for treatment of dogs with poorly controlled suspected idiopathic epilepsy.

DESIGN:

Open-label, noncomparative clinical trial.

ANIMALS:

11 client-owned dogs suspected of having idiopathic epilepsy that was inadequately controlled with phenobarbital, potassium bromide, or a combination of these 2 drugs.

PROCEDURES:

Dogs were treated with pregabalin (3 to 4 mg/kg [1.4 to 1.8 mg/lb], PO, q 8 h) for 3 months. Number of generalized seizures in the 3 months before and after initiation of pregabalin treatment was recorded. Number of responders (>or= 50% reduction in seizure frequency) was recorded, and seizure frequency before and after initiation of pregabalin treatment was compared by use of a nonparametric Wilcoxon signed rank test.

RESULTS:

Seizures were significantly reduced (mean, 57%; median, 50%) after pregabalin administration in the 9 dogs that completed the study; 7 were considered responders with mean and median seizure reductions of 64% and 58%, respectively. Adverse effects for pregabalin were reported in 10 dogs. Mean and median plasma pregabalin concentrations for all dogs were 6.4 and 7.3 microg/mL, respectively.

CONCLUSIONS AND CLINICAL RELEVANCE:

Pregabalin may hold promise as a safe and effective adjunct anticonvulsant drug for epileptic dogs poorly controlled with the standard drugs phenobarbital or potassium bromide. Adverse effects of pregabalin appeared to be mild. Additional studies with larger numbers of dogs and longer follow-up intervals are warranted.

PMID:
20001779
[PubMed - indexed for MEDLINE]
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