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美洛昔康片在中国健康受试者中的生物等效性研究

Bioequivalence of meloxicam in Chinese healthy subjects

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【作者】 朱艺芳张全英王蒙黄明华雯妍王吉郑龙生郭昊程旻露

【Author】 ZHU Yi-fang;ZHANG Quan-ying;WANG Meng;HUANG Ming;HUA Wen-yan;WANG Ji;ZHENG Long-sheng;GUO Hao;CHENG Min-lu;Department of Pharmacy,The Second Affiliated Hospital of Soochow University;Department of Oncology,The Second Affiliated Hospital of Soochow University;Yangtze River Pharmaceutical Group;Nanjing Clinical Tech Laboratories Inc.;

【通讯作者】 华雯妍;

【机构】 苏州大学附属第二医院药学部苏州大学附属第二医院肿瘤科扬子江药业集团有限公司南京科利泰医药科技有限公司

【摘要】 目的 研究美洛昔康片在中国健康人体内的生物等效性。方法 空腹试验24例、餐后试验24例健康受试者,按双周期、自身交叉设计、单剂量口服美洛昔康片受试制剂或参比制剂7.5 mg,用液相色谱-质谱法测定血浆中美洛昔康的血药浓度,用WinNonlin 7.0软件计算药代动力学参数及相对生物利用度,判定两制剂是否等效。结果 在空腹试验中,美洛昔康受试制剂和参比制剂的Cmax分别为(841.17±160.87)和(812.54±172.43)ng·mL-1,AUC0-t分别为(2.57±0.84)×104和(2.45±0.83)×104 h·ng·mL-1,AUC0-∞分别为(2.44±0.60)×104和(2.55±0.94)×104 h·ng·mL-1。在餐后试验中,美洛昔康受试制剂和参比制剂的Cmax分别为(817.83±123.99)和(808.61±128.85) ng·mL-1,AUC0-t分别为(2.29±0.57)×104和(2.29±0.59)×104 h·ng·mL-1,AUC0-∞分别为(2.43±0.70)×104和(2.45±0.74)×104 h·ng·mL-1。受试制剂与参比制剂Cmax、AUC0-t、AUC0-∞几何均值比的90%置信区间均完全落在80.00%~125.00%。结论 2种美洛昔康片在中国健康受试者体内具有生物等效性。

【Abstract】 Objective To evaluate the bioequivalence of meloxicam tablets in healthy Chinese. Methods Fasting test included 24 subjects, postprandial test included 24 healthy subjects with two cycles, complete repetition, self-cross design, single dose oral meloxicam tablet test preparation or reference preparation 7.5 mg, the concentrations of meloxicam in plasma was determined by liquid chromatography-mass spectrometry. The pharmacokinetic parameters and relative bioavailability were calculated by software WinNonlin 7.0 to determine whether the two preparations were equivalent. Results Under fasting state, the Cmax of meloxicam test and reference were(841.17±160.87) and(812.54±172.43)ng·mL-1;AUC0-t were(2.57±0.84) ×104and(2.45±0.83) ×104 h·ng·mL-1;AUC0-∞ were(2.44±0.60) ×104 and(2.55±0.94) ×104 h·ng·mL-1;under postprandial state, the Cmax of meloxicam test and reference were(817.83±123.99) and(808.61±128.85)ng·mL-1;AUC0-t were(2.29±0.57) ×104 and(2.29±0.59) ×104 h·ng·mL-1;AUC0-∞ were(2.43±0.70) ×104 and(2.45±0.74) ×104 h·ng·mL-1. The 90% confidence intervals ofCmax, AUC0-t, AUC0-∞geometric mean ratio of test preparation and reference preparation were all within 80. 00%-125. 00%.Conclusion The two meloxicam tablets are bioequivalent in healthy Chinese volunteers.

  • 【文献出处】 中国临床药理学杂志 ,The Chinese Journal of Clinical Pharmacology , 编辑部邮箱 ,2023年03期
  • 【分类号】R969.1
  • 【下载频次】43
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