Journal
EPILEPSY & BEHAVIOR
Volume 54, Issue -, Pages 150-157Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yebeh.2015.11.009
Keywords
Adherence; Epileptic seizure; Liverpool Adverse Event Profile; Partial epilepsy; Seizure freedom; Antiepileptic drug
Categories
Funding
- Friedrich C. Luft Clinical Scientist Pilot Program - Volkswagen Foundation
- Charite-Universitatsmedizin Berlin Foundation
- Eisai
- UCB
- von Bodelschwingh Foundation
- Cyberonics
- Desitin
- GlaxoSmithKline
- Janssen-Cilag
- Viropharma
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Background: In patients taking antiepileptic drugs (AEDs) for epilepsy, adverse effects (AEs) often lead to unfavorable quality of life, impaired adherence, and, eventually, discontinuation of pharmacological treatment. In a true-to-life sample of subjects from our academic epilepsy outpatient clinic, we aimed to identify predictors for overall high AE burden and for specific AEs focusing on patients on monotherapy. Methods: All patients >= 16 years of agewith epilepsy for >= 12 months were routinely asked to complete the Liverpool Adverse Event Profile (LAEP) just before their appointment. Demographic, epilepsy, and treatment variables were derived from our comprehensive outpatient database. Results: Out of 841 patients, 438 (61% female, mean age: 44.7 +/- 17.1 years) on monotherapy were included in this study. Levetiracetam(n= 151), lamotrigine (n= 167), valproic acid (n= 73), or controlled-release carbamazepine (n= 47) were the most commonly used antiepileptic drugs (AEDs). Independent predictors for general high AE burden (LAEP score >= 45) were duration of epilepsy, lack of 12-month seizure freedom, and partial epilepsy, but none of the four individual AEDs. Themost frequent LAEP-defined specific AEswere sleepiness, difficulty concentrating, tiredness, and memory problems. The threemost frequent independent predictors for each of the 19 AEswere lack of 12-month seizure freedom(13/ 19 AEs), individual AED (7/ 19 AEs), and partial epilepsy (6/ 19 AEs). Levetiracetam was independently associated with anger/ aggression, nervousness/ agitation, upset stomach, depression, and sleep disturbance; lamotriginewith nervousness/ agitation, upset stomach, and difficulty concentrating; and valproic acid with upset stomach and shaky hands. Conclusion: Individual AEDs independently predicted some specific AEs, but not overall high AE burden. Our findings may help to characterize patients with epilepsy who are at high risk for specific AEs. Dose reduction or change to another AED may reduce LAEP score and potential nonadherence. (C) 2015 Elsevier Inc. All rights reserved.
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