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Pharmacokinetics of sibutramine hydrochloride in Chinese healthy volunteers
Jun Chen1, Wei Lu, Xin-guo Jiang
1Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 200032, China.
Aim:
To evaluate the pharmacokinetic profiles of the pharmacologically active primary amine metabolite of sibutramine, N-di-desmethyl sibutramine (BTS 54505) in Chinese origin.
Methods:
According to a randomized cross-over design, a single oral dose of 20 mg of sibutramine hydrochloride capsule was given to 20 healthy Chinese young volunteers. After dosing, serial blood samples were collected for a period of 72 h. BTS 54505 concentration in plasma was analyzed by high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry.
Results:
Various pharmacokinetic parameters including AUC0-t, AUC0-infinity, Cmax, Tmax, T1/2, Kelm and MRT were determined for both test and reference capsules and found to be in good agreement with literature values.
Conclusion:
The test and reference sibutramine capsules were bioequivalent.
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