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Evaluation of pharmacokinetics and pharmacodynamics relationships for Salvianolic Acid B micro-porous osmotic pump pellets in angina pectoris rabbit 被引量:2
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作者 shu-ling kan Jin Li +2 位作者 Jian-Ping Liu Hong-Liang He Wen-Jing Zhang 《Asian Journal of Pharmaceutical Sciences》 SCIE CAS 2014年第3期137-145,共9页
The work aims to investigate the in vitro release,pharmacokinetics(PK),pharmacodynamics(PD)and PK-PD relationships of Salvianolic Acid B micro-porous osmotic pump pellets(SalB-MPOPs)in angina pectoris New Zealand Whit... The work aims to investigate the in vitro release,pharmacokinetics(PK),pharmacodynamics(PD)and PK-PD relationships of Salvianolic Acid B micro-porous osmotic pump pellets(SalB-MPOPs)in angina pectoris New Zealand White(NZW)rabbits,compared with those of SalB immediate-release pellets(SalB-IRPs).The SalB plasma concentrations and Superoxide dismutase levels(PD index)were recorded continuously at predetermined time interval after administration,and the related parameters were calculated by using Win-Nonlin software.The release profile of MPOPs was more sustained than that of IRPs.PK results indicated that the mean C_(max) was significantly lower,the SalB plasma concentrations were steadier,both area under concentration-time curve from 0 to 24 h(AUC_(0-24 h))and from 0 to infinity(AUC_(0-∞))were presented larger,and both the peak concentration time(T_(max))and mean residence time(MRT)were prolonged for MPOPs,as compared with those of IRPs.PD results suggested that peak drug effect(E_(max))was lower and the equilibration rate constant(k_(e0))between the central compartment and the effect compartment was higher of MPOPs vs.those of IRPs.PKePD relationships demonstrated that the effectconcentration-time(ECT)course of MPOPs was clockwise hysteresis loop,and that of IRPs was counter-clockwise hysteresis loop.Collectively,those results demonstrated that MPOPs were potential formulations in treating angina pectoris induced by atherosclerosis. 展开更多
关键词 Salvianolic Acid B PHARMACOKINETICS PHARMACODYNAMICS SalB micro-porous osmotic pump PELLETS PKePD relationships
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