2011
DOI: 10.1007/s12272-011-1118-8
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Pharmacokinetics of carbamazepine polymorphs and dihydrate in rats, related to dogs and humans

Abstract: Species differences in the oral pharmacokinetics and absolute bioavailability (F ( abs )) of carbamazepine polymorphs (form I and form III) and dihydrate were studied. The pharmacokinetics of each form was investigated in rats following a single oral/intravenous administration of 10 mg/kg and an oral dose of 80 mg/kg, which were compared with the published data obtained from dogs and humans. No significant differences were found in thei… Show more

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Cited by 21 publications
(13 citation statements)
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“…In work by Xu et al (2011), the pharmacokinetics of the polymorphic Forms I and III and the dihydrate of carbamazepine were evaluated in mice and compared to the behavior of these substances in dogs and humans. The absorption of Form III in mice was very similar to that observed for humans, and the pharmacokinetic properties and stability of the polymorph proved to be satisfactory.…”
Section: Introductionmentioning
confidence: 99%
“…In work by Xu et al (2011), the pharmacokinetics of the polymorphic Forms I and III and the dihydrate of carbamazepine were evaluated in mice and compared to the behavior of these substances in dogs and humans. The absorption of Form III in mice was very similar to that observed for humans, and the pharmacokinetic properties and stability of the polymorph proved to be satisfactory.…”
Section: Introductionmentioning
confidence: 99%
“…Existem descritas, até o momento, pelo menos quatro formas polimórficas anidras (FI, FII, FIII, FIV) e um di-hidrato para este anticonvulsivante 58 . As formas II e IV podem ser obtidas a partir da CBZ comercial, respectivamente, por meio de solução supersaturada de etanol e evaporação de solução de metanol na presença de hidroxipropilcelulose 56 .…”
Section: Carbamazepina E Seus Polimorfosunclassified
“…O que se sabe, porém, é que a transição entre estas duas formas é altamente dependente da temperatura e da umidade relativa 58 . Sendo assim, em condições de alta umidade, a forma anidra pode se converter, por diferentes cinéticas, em di-hidrato, assim como a forma di-hidratada, se submetida ao aquecimento, pode converter-se em diferentes formas polimórficas anidras.…”
Section: Carbamazepina E Seus Polimorfosunclassified
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