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Outcomes research: clinical trials in the elderly
Ilo E Leppik1, Martin J Brodie, Erik R Saetre
1University of Minnesota, College of Pharmacy, 308 Harvard St. SE, Minneapolis, MN 55455, USA. leppi001@umn.edu
Epilepsy Research
|January 18, 2006
Summary
Clinical trials for epilepsy in older adults are limited. Newer antiepileptic drugs (AEDs) show similar effectiveness but better tolerability compared to older options in elderly patients.
Area of Science:
- Geriatric Medicine
- Neurology
- Clinical Pharmacology
Background:
- Limited clinical trials exist for epilepsy treatment in the elderly population.
- Elderly patients often present with comorbidities, complicating treatment and diagnosis.
- Distinguishing seizures from other symptoms in older adults poses a challenge.
Purpose of the Study:
- To review existing clinical trial data on antiepileptic drug (AED) efficacy and tolerability in elderly patients.
- To describe ongoing research in this demographic.
- To highlight challenges in conducting clinical trials with elderly participants.
Main Methods:
- Review of two completed clinical studies on newly diagnosed epilepsy in the elderly.
- Description of one ongoing clinical trial.
- Comparison of carbamazepine with newer AEDs like gabapentin and lamotrigine.
Main Results:
- Newer AEDs (gabapentin, lamotrigine) demonstrated comparable efficacy to carbamazepine but with improved tolerability in elderly patients.
- A significant percentage of elderly individuals with new-onset epilepsy responded to initial AED therapy.
- Differing side effect profiles were observed among AEDs in this age group.
Conclusions:
- While newer AEDs offer better tolerability, more research is essential for elderly epilepsy patients.
- Understanding risk/benefit profiles is crucial for optimizing treatment in older adults.
- Challenges in recruitment, comorbidities, and symptom differentiation impact elderly epilepsy research.
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