Adults with Epilepsy: Is Monotherapy the Only Answer?

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Abstract
Summary: Monotherapy with antiepileptic drugs (AEDs) should be the aim in most patients with epilepsy and is achievable in most newly diagnosed cases. “Rational po‐lytherapy” is a valuable new concept that can be usefully applied to a minority of patients. Assessment of new AEDs as monotherapy is a challenging problem, and appropriate clinical trial methodology is currently evolving. Although tiagabine (TGB) is established as an effective add‐on agent in refractory partial epilepsy, its role in monotherapy is not yet clear. Preliminary studies suggest that TGB is effective and well tolerated as monotherapy. Ongoing large monotherapy studies should establish the comparative efficacy and tolerability of TGB vs. conventional AEDs.