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The bioequivalence of two lomefloxacin tablets was evaluated in 16 normal male volunteers (age 21sim30 yrs) following oral administration. Test product was ’’Lomaxacin tablet’’ made by Kolon Pharmaceutical Co. and reference product was ’’Maxaquin tablet’’ made by Searle Ciba-Geigy Korea Co. After one tablet containing 400 mg of lomefloxacin was administered, blood was taken at predetermined time intervals and the concentration of the drug in plasma was determined with an HPLC method using fluorescence detector. AUC, C_{max},;and;T_{max} were calculated and statistically analyzed for the bioequivalence of the two products. The results showed that the differences in AUC, C_{max},;and;T_{max} between two products were 0.90%,;1.09%,;and;2.44%, respectively. The powers (1-{beta}) for AUC, C_{max},;and;T_{max};were;>95%,;>95%,;and;93.8%, respectively Detectable differences (Delta) and confidence intervals were all less than 20%. All of these parameters met the criteria of KFDA for bioequivalence, indicating that ’’Lomaxacin tablet’’ is bioequivalent to ’’Maxaquin tablet’’.
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