鹽酸曲馬多緩釋滴丸在比格犬體內的藥動學
發(fā)布時間:2018-08-07 17:46
【摘要】:目的:研究鹽酸曲馬多(Tr)緩釋滴丸在比格犬體內的藥動學,評價其生物利用度。方法:6只Beagle犬雌雄各半,采用兩制劑雙周期隨機交叉試驗設計,分別單劑量口服Tr緩釋滴丸和緩釋片,用高效液相色譜-紫外(HPLC-UV)法測定曲馬多的血藥濃度。結果:Tr緩釋滴丸和緩釋片的Cmax分別為(273.34±69.2)ng·mL-1和(244.02±94.88)ng·mL-1,Tmax分別為(6.5±0.84)h和(6.0±0.89)h,AUC0-t分別為(2 893.87±811.40)ng·h·mL-1和(2 505.99±628.50)ng·h·mL-1,試驗制劑與參比制劑相對生物利用度為97.2%±13.6%,經(jīng)統(tǒng)計學處理,試驗制劑AUC0-24的90%置信區(qū)間為96.4%~116.5%,Cmax的90%置信區(qū)間為103.1%~114.9%。結論:Tr緩釋滴丸和緩釋片在體內的處置均符合一室模型,單次給藥給予相同劑量時二者具有生物等效性。
[Abstract]:Aim: to study the pharmacokinetics and bioavailability of tramadol (Tr) sustained-release dropping pills in Beagle dogs. Methods Twenty six Beagle dogs were divided into two groups: male and female. Tr sustained-release pills and sustained release tablets were administered orally. The plasma concentrations of tramadol were determined by high performance liquid chromatography-ultraviolet (HPLC-UV). Results the Cmax of the two tablets were (273.34 鹵69.2) ng mL-1 and (244.02 鹵94.88) ng mL ~ (-1) mL-1, respectively, and (6.5 鹵0.84) h and (6.0 鹵0.89) h AUC _ (0-t) were (2 893.87 鹵811.40) ng h mL-1 and (2 505.99 鹵628.50) ng h ml ~ (-1), respectively. The relative bioavailability of the test and reference tablets was 97.2% 鹵13.6T, respectively. The 90% confidence interval of test preparation AUC0-24 was 96.4% and the 90% confidence interval of Cmax was 103.1% and 114.9%. Conclusion the results showed that the treatment of the two tablets in vivo was in accordance with the one-compartment model, and they were bioequivalent when given the same dose once.
【作者單位】: 內蒙古科技大學包頭醫(yī)學院第二附屬醫(yī)院藥劑科;北京正大綠洲醫(yī)藥科技有限公司;內蒙古醫(yī)科大學藥學院藥劑教研室;哈爾濱商業(yè)大學藥學院;
【基金】:內蒙古自治區(qū)自然科學基金項目(編號:20080404MS1206)
【分類號】:R965
[Abstract]:Aim: to study the pharmacokinetics and bioavailability of tramadol (Tr) sustained-release dropping pills in Beagle dogs. Methods Twenty six Beagle dogs were divided into two groups: male and female. Tr sustained-release pills and sustained release tablets were administered orally. The plasma concentrations of tramadol were determined by high performance liquid chromatography-ultraviolet (HPLC-UV). Results the Cmax of the two tablets were (273.34 鹵69.2) ng mL-1 and (244.02 鹵94.88) ng mL ~ (-1) mL-1, respectively, and (6.5 鹵0.84) h and (6.0 鹵0.89) h AUC _ (0-t) were (2 893.87 鹵811.40) ng h mL-1 and (2 505.99 鹵628.50) ng h ml ~ (-1), respectively. The relative bioavailability of the test and reference tablets was 97.2% 鹵13.6T, respectively. The 90% confidence interval of test preparation AUC0-24 was 96.4% and the 90% confidence interval of Cmax was 103.1% and 114.9%. Conclusion the results showed that the treatment of the two tablets in vivo was in accordance with the one-compartment model, and they were bioequivalent when given the same dose once.
【作者單位】: 內蒙古科技大學包頭醫(yī)學院第二附屬醫(yī)院藥劑科;北京正大綠洲醫(yī)藥科技有限公司;內蒙古醫(yī)科大學藥學院藥劑教研室;哈爾濱商業(yè)大學藥學院;
【基金】:內蒙古自治區(qū)自然科學基金項目(編號:20080404MS1206)
【分類號】:R965
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