Aim To establish an RP-HPLC method for the determination of scutellarin in plasma and study its pharmacokinetics in dogs. Methods Scutellarin was given to dogs by intravenous injection and determined by RP-HPLC, the m...Aim To establish an RP-HPLC method for the determination of scutellarin in plasma and study its pharmacokinetics in dogs. Methods Scutellarin was given to dogs by intravenous injection and determined by RP-HPLC, the mean plasma concentration-time curve was plotted and pharmacokinetic parameters were calculated by program 3p87. Resu;ts The concentration-time curve of scutellarin could be fitted to three-compartment model with T1/2 pi, T1/2 α and T1/2 β being 1.05 ± 0.80 min, 6.99 + 2.76 min and 51.61 + 28.78 min, respectively, Vc being 880.1 + 508.3 mL, CL being 189.6 + 53.8 mL@ min- 1, and AUC0-90 and AUC0-∞ being 574.43 + 133.95 μg@ min@ mL - 1 and 599.34 ± 132.00μg@ min@mL- 1, respectively. Conclusion The fact that the concentrations of scutellarin in plasma declined rapidly after the medication suggested that the T1/2 of scutellarin should be taken into account in drug administration and preparation development.展开更多
文摘目的:系统评价角膜塑形镜治疗亚洲儿童近视的有效性和安全性。方法:检索The Cochrane Library、Medline、EMbase、CBM、CNKI、VIP和WanFang数据库,语种限定为中英文。采用Cochrane手册提供的偏倚风险评价工具和MINORS(methodological index for non-randomized studies)量表分别评价纳入文献(随机对照试验和对照试验)的质量;采用漏斗图检测纳入文献的发表偏倚;采用RevMan 5.3软件进行Meta分析。结果:共有7篇文献符合纳入排除标准,包含478例研究对象(角膜塑形镜组250例,对照组228例)。Meta分析结果显示:角膜塑形镜对控制眼轴长度增加方面优于单光镜,两组之间的差异具有统计学意义[WMD=-0.31,95%CI(-0.35,-0.26),P<0.001]。5篇文献观察了不良反应,均报道有中等程度角膜荧光素染色阳性的不良反应,一篇报道有1例患儿出现睑板腺囊肿,未见严重不良反应报道。结论:角膜塑形镜可有效控制亚洲儿童近视的发展。
文摘Aim To establish an RP-HPLC method for the determination of scutellarin in plasma and study its pharmacokinetics in dogs. Methods Scutellarin was given to dogs by intravenous injection and determined by RP-HPLC, the mean plasma concentration-time curve was plotted and pharmacokinetic parameters were calculated by program 3p87. Resu;ts The concentration-time curve of scutellarin could be fitted to three-compartment model with T1/2 pi, T1/2 α and T1/2 β being 1.05 ± 0.80 min, 6.99 + 2.76 min and 51.61 + 28.78 min, respectively, Vc being 880.1 + 508.3 mL, CL being 189.6 + 53.8 mL@ min- 1, and AUC0-90 and AUC0-∞ being 574.43 + 133.95 μg@ min@ mL - 1 and 599.34 ± 132.00μg@ min@mL- 1, respectively. Conclusion The fact that the concentrations of scutellarin in plasma declined rapidly after the medication suggested that the T1/2 of scutellarin should be taken into account in drug administration and preparation development.
