Determination of levofloxacin concentration in plasma of Chinese healthy volunteers by HPLC with fluorescence detection and bioequivalence study of levofloxacin hydrochloride tablets
doi: 10.3969/j.issn.1006-0111.2016.05.012
- Received Date: 2015-02-26
- Rev Recd Date: 2015-06-10
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Key words:
- levofloxacin /
- HPLC /
- bioequivalence
Abstract: Objective To develop a HPLC-fluorescence method to determine levofloxacin concentration in plasma for studying bioequivalence of levofloxacin hydrochloride tablet in Chinese healthy volunteers. Methods A single-dose of 0.2 g test or reference preparation was given to 24 healthy volunteers in a randomized crossover study. The concentrations of levofloxacin at different time points were determined by HPLC with fluorescence detection. The pharmacokinetic parameters were calculated using DAS 2.0 software program. Results The main pharmacokinetic parameters of the test and reference preparation,t 1/2、tmax、ρmax、AUC0-36 and AUC0-inf, were respectively (6.71±0.95) h and (6.60±1.00) h,(0.85±0.30) h and (0.79±0.28) h,(2 815.48±513.04) ng/ml and (3 185.59±674.29) ng/ml,(17 157.61±1 949.07) ng·h/ml and (17 425.06±2 447.80) ng·h/ml,(18 324.52±2 019.41) ng·h/ml and (18 540.41±2 523.08) ng·h/ml. The statistical analysis showed that the main pharmacokinetic parameters between test and reference preparations were no significant differences. The 90% confidence interval of test and reference preparations AUC0-36、AUC0-inf and ρmax were 95.2%~102.5%、96.1%~102.2% and 82.8%~94.9%. Conclusion The test and reference preparations were bioequivalent.
Citation: | YANG Xiaoying, ZHANG Wenping, WANG Xinyu, DANG Hongwan. Determination of levofloxacin concentration in plasma of Chinese healthy volunteers by HPLC with fluorescence detection and bioequivalence study of levofloxacin hydrochloride tablets[J]. Journal of Pharmaceutical Practice and Service, 2016, 34(5): 428-430,440. doi: 10.3969/j.issn.1006-0111.2016.05.012 |