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Further observations on carbamazepine plasma levels in epileptic patients. Relationships with therapeutic and side effects.
Neurology ; 26(10): 936-73, 1976 Oct.
Article em En | MEDLINE | ID: mdl-986584
Plasma levels of carbamazepine, phenytoin and phenobarbital were monitored weekly over a period of 9 weeks in 20 epileptic patients unresponsive to treatment. No attempts were made to modify phenytoin and/or phenobarbital plasma levels; emphasis was on achieving carbamazepine plasma levels of 4 to 10 mug per milliliter. A remarkable drop in seizure frequency was attained within 2 to 3 weeks of monitoring, with carbamazepine plasma and concentrations within the desired range. Children disposed of the drug faster than adults. No effects of phenytoin and phenobarbital on carbamazepine plasma levels could be observed, while phenobarbital on carbamazepine plasma levels fluctuated remarkably without any relationship to carbamazepine levels. Transient leukopenia was present in most of the patients, while a significant reversible drop in red blood cells was observed in eight patients. The data reported confirm that with a careful monitoring of drug plasma levels, carbamazepine may exert a definite passive effect on seizure frequency in epileptic patients poorly responsive to therapy.
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Bases de dados: MEDLINE Assunto principal: Carbamazepina / Epilepsia Limite: Adult / Child / Humans / Male Idioma: En Revista: Neurology Ano de publicação: 1976 Tipo de documento: Article
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Bases de dados: MEDLINE Assunto principal: Carbamazepina / Epilepsia Limite: Adult / Child / Humans / Male Idioma: En Revista: Neurology Ano de publicação: 1976 Tipo de documento: Article