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机构地区:[1]广州白云山医药集团股份有限公司白云山制药总厂,广东广州510515
出 处:《中国医药工业杂志》2016年第5期579-581,共3页Chinese Journal of Pharmaceuticals
基 金:广州市生物产业发展专项"口服缓控释制剂研发和产业化技术平台建设"(穗发改高技[2008]37号)
摘 要:建立了高效液相色谱法测定Beagle犬血浆中的头孢克洛。考察了6条Beagle犬随机、交叉口服头孢克洛缓释片(受试或参比制剂)375 mg后体内的药动学及相对生物利用度。结果,受试与参比制剂的主要药动学参数如下:c_(max)(17.68±1.19)和(18.21±2.67)mg/ml,t_(max)(3.83±1.03)和(3.42±0.80)h,AUC_(0→t)(70.40±13.86)和(73.43±20.47)mg·ml^(-1)·h,AUC_(0→∞)(72.98±14.93)和(76.99±22.51)mg·ml^(-1)·h,t_(1/2)(1.51±0.32)和(1.66±0.38)h。头孢克洛受试制剂的相对生物利用度为(99.59±24.26)%。2种头孢克洛缓释片在Beagle犬体内的AUC_(0→t)、c_(max)、t_(max)均无显著性差异(P>0.5)。An HPLC method was established for the determination of cefaclor in Beagle dog plasma. A single oral dose of the sustained-release tablets of cefaclor (test or reference preparation, 375 mg) were administered to six healthy Beagles dogs in a randomized crossover design, and the pharmacokinetics were investigated. The main pharmacokinetic parameters for the test and reference preparations were as follows: Cmax (17.68±1.19) and (18.21± 2.67)μg/ml, tmax (3.83±1.03) and (3.42±0.80)h, AUC0→t (70.40±13.86) and (73.43±20.47)μg.ml^-1.h, AUC0→∞ (72.98± 14.93) and (76.99±22.51) μg.ml^-1 .h, t1/2 (1.51±0.32) and (1.66±0.38)h. The relative bioavailability of the test preparation was (99.59±24.26) %. There was no significant difference between the test and reference preparations in the AUC0→t, Cmax and tmax (P〉0.5).
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