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  • Title: Monostars: an aid to choosing an antiepileptic drug as monotherapy.
    Author: Brodie MJ.
    Journal: Epilepsia; 1999; 40 Suppl 6():S17-22; discussion S73-4. PubMed ID: 10530678.
    Abstract:
    This article describes a flexible, dynamic system for comparing antiepileptic drugs (AEDs) as monotherapy, taking into account the needs of the patient and the characteristics of the treatment. Because differences in efficacy between AEDs cannot readily be demonstrated in regulatory clinical trials, safety is of paramount importance. Each drug has been judged across 11 criteria. These include knowledge of mechanism of action, suitable pharmacokinetics, drug interactions, delineated range of efficacy, ease of titration, idiosyncratic reactions, sedative burden, neuropsychiatric profile, teratogenic potential, and the likelihood of producing long-term side effects. The final consideration relates to how "comfortable" the doctor is with prescribing the drug as monotherapy. Scores of -1 (drawback), 0 (neutral/unknown), or +1 (advantage) have been allocated under each category, depending on current knowledge and clinical experience. The sum of the individual scores determines the awarding of "stars." In addition, the positive and negative features of each AED, when used as monotherapy, are highlighted. A range of established and new AEDs has been examined using the "monostars" method, including phenobarbital, phenytoin, carbamazepine, sodium valproate, lamotrigine, gabapentin, oxcarbazepine, and vigabatrin. Scores can be adjusted as new information comes to light. Other agents can be added when suitable monotherapy data become available. This analysis supports the contention that choice of treatment in newly diagnosed epilepsy should take into consideration the patient's age, sex, general health, coexisting disabilities, concomitant medication, and life style. Seizure type, syndrome, and the AED's pharmacology, efficacy, and safety profile should also be considered. Because dosing is often modest, cost should rarely be the overriding factor in choosing a drug for a patient with newly diagnosed epilepsy in the developed world. With these criteria, some of the newer AEDs have potentially more to offer the patient as monotherapy than do the established agents.
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