Pharmacokinetics of breviscapine liposomes following intravenous injection in Beagle dogs / 药学学报
Acta Pharmaceutica Sinica
; (12): 24-29, 2006.
Article
em Zh
| WPRIM
| ID: wpr-271490
Biblioteca responsável:
WPRO
ABSTRACT
<p><b>AIM</b>To prepare the breviscapine liposomes and study the pharmacokinetics of breviscapine liposomes in Beagle dogs.</p><p><b>METHODS</b>The cross-over design (two periods) was employed. Six Beagle dogs were administrated a single intravenous dosage of 28 mg of breviscapine liposomes and reference preparation, respectively, scutellarin in plasma of 6 dogs at different sampling time was determined by RP-HPLC. The pharmacokinetic parameters were calculated by 3P97 program and compared by statistic analysis.</p><p><b>RESULTS</b>The mean concentration-time curves of breviscapine liposomes and reference preparation were both fitted to two-compartment model with the main pharmacokinetic parameters as follows: T 1/2 alpha were (4.4 +/- 0.7) min and (1.8 +/- 1.3) min respectively; T 1/2 beta were (55 +/- 27) min and (28 +/- 23) min respectively; V(c) were (1 580 +/- 265) mL and (2 460 +/- 2 200) mL respectively; CL(s) were (88 +/- 10) mL x min(-1) and (324 +/- 69) mL x min(-1) respectively; and AUC(0-720) were (363 +/- 42) microg x min x mL(-1) and (102 +/- 19) microg x min x mL(-1) respectively. The T 1/2 alpha, CL(s) and AUC(0-720) of breviscapine liposomes all had significant difference from those of reference preparation, after the data were examined by a one-way analysis of variance (ANOVA).</p><p><b>CONCLUSION</b>Compared with the reference preparation, breviscapine liposomes had a much more higher concentration in plasma and contained characteristic of sustained-release, which ameliorated the pharmacokinetic properties of scutellarin.</p>
Texto completo:
1
Base de dados:
WPRIM
Assunto principal:
Plantas Medicinais
/
Flavonoides
/
Sangue
/
Encéfalo
/
Farmacocinética
/
Química
/
Estudos Cross-Over
/
Área Sob a Curva
/
Preparações de Ação Retardada
/
Apigenina
Tipo de estudo:
Prognostic_studies
Limite:
Animals
Idioma:
Zh
Revista:
Acta Pharmaceutica Sinica
Ano de publicação:
2006
Tipo de documento:
Article