Advances in the study of excipient inhibitors of intestinal P-glycoprotein / 药学学报
Acta Pharmaceutica Sinica
;
(12): 1071-1076, 2008.
Artigo
em Chinês
| WPRIM
| ID: wpr-232641
ABSTRACT
P-glycoprotein (P-gp) located in the apicalmembranes of intestinal absorptive cells is an energy-dependent efflux pump which can reduce the bioavailability of a wide range of substrate drugs. There is increasingly interest in enhancing the bioavailability of these molecules by inhibiting intestinal P-gp. A classification of excipient inhibitors of intestinal P-gp nonionic surfactants, poly (ethylene glycol), derivates of beta-cyclodextrin and thiolated chitosan will be presented and then the inhibition mechanism will be discussed. Compared with traditional P-gp inhibitor, excipient inhibitors appear to have minimal nonspecific pharmacological activity, thus potential side effects can be mostly avoided. These excipient inhibitors, which hold the promise of replacing the traditional ones, will be extensively employed to significantly improve the intestinal absorption of poorly soluble and absorbed drugs as a result of P-gp inhibition, and thus to enhance the bioavailability of these drugs. However, the further studies of both the mechanism and clinical application are urgently needed.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Farmacologia
/
Polietilenoglicóis
/
Tensoativos
/
Farmacocinética
/
Disponibilidade Biológica
/
Quitina
/
Membro 1 da Subfamília B de Cassetes de Ligação de ATP
/
Beta-Ciclodextrinas
/
Excipientes
/
Glicerol
Limite:
Animais
/
Humanos
Idioma:
Chinês
Revista:
Acta Pharmaceutica Sinica
Ano de publicação:
2008
Tipo de documento:
Artigo
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