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| Moraes,Natália Valadares de; Bergamaschi,Mateus Machado; Bianchi,Maria de Lourdes Pires; Bragheto,Juliana Bordinassi; Malfará,Wilson Roberto; Queiroz,Regina Helena Costa. |
| Dapsone use is frequently associated to hematological side effects such as methemoglobinemia and hemolytic anemia, which are related to N-hydroxylation mediated by the P450 enzyme system. The aim of the present study was to evaluate the influence of L-arginine supplementation, a precursor for the synthesis of nitric oxide, as single or multiple dose regimens on dapsone-induced methemoglobinemia. Male Wistar rats were treated with L-arginine at 5, 15, 30, 60 and 180 mg/kg doses (p.o., gavage) in single or multiple dose regimens 2 hours prior to dapsone administration (40 mg/kg, i.p.). The effect of the nitric oxide synthase inhibitor L-NAME was investigated by treatment with multiple doses of 30 mg/kg (p.o., gavage) 2 hours before dapsone administration.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dapsone; Methemoglobinemia; L-arginine; Nitric oxide; L-NAME. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502012000100010 |
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| Baldoni,André Oliveira; Freitas-Lima,Priscila; Alexandre,Veriano; Ferreira,Flávia Isaura de Santi; Martinez,Edson Zangiacomi; Queiroz,Regina Helena Costa; Sakamoto,Americo Ceiki; Pereira,Leonardo Regis Leira. |
| ABSTRACT The purpose of this work was to evaluate the influence of the clinical profile on lamotrigine (LTG) plasma concentrations from patients with refractory epileptic seizures. In this cross-sectional study, therapeutic monitoring of LTG, and questionnaires with 75 patients with refractory epileptic seizures of a Hospital in Ribeirão Preto-SP-Brazil were performed. The multiple linear regression model was used to verify association between the LTG plasma concentrations and the independent variables. Covariance analysis was used to compare the mean LTG plasma concentration among the co-medication groups. The LTG plasma concentration was associated both with the LTG dosage (mg/kg/day) (p=0.0096) and with the use of first generation antiepileptic drugs... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lamotrigine; Refractory Epilepsy; Drug interaction; Therapeutic drug monitoring.. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502018000200624 |
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