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Information Journal Paper

Title

A RAPID AND SENSITIVE HPLC METHOD FOR THE ANALYSIS OF METRONIDAZOLE IN HUMAN PLASMA: APPLICATION TO SINGLE DOSE PHARMACOKINETIC AND BIOEQUIVALENCE STUDIES

Pages

  15-21

Abstract

 A sensitive, accurate and rapid reverse phase HPLC method was developed to quantitate plasma levels of METRONIDAZOLE in order to conduct a comparative BIOAVAILABILITY studies. The drug and internal standard were added to plasma samples, vortexed and then zinc sulfate solution was added in order to precipitate the plasma proteins. Samples were centrifuged at 3000 rpm for 10 min. The supernatant layer was separated and analyzed on a phenyl (300 × 4.6mm) column, with 5% acetonitrile in 0.1 M KH2PO4 buffer (pH = 4.5) at 324 nm. The standard curve covering 0.15 – 30 µg/ml concentration range, was linear (r2 = 0.9999), relative errors were within 2.48 to 9.15 % and the CV% ranged from 2.999 to 10.796. The method is suitable for BIOAVAILABILITY, pharmacokinetic, and bioequivalent studies in human.The in-vivo study was carried out in 12 healthy volunteers according to a single dose, two-sequence, cross over randomized design. The BIOAVAILABILITY was compared using the total area under the plasma level versus time curve (AUC0-48, AUC0-∞), peak plasma concentration (Cmax) and time to Cmax (Tmax). No statistically significant difference was found between the AUC0-∞ , Cmax and Tmaxx values of the test and reference, Flagyl® (p > 0.05). The 90% CI for the ratio of the AUC0-∞ (0.94-1.07) and Cmax (0.88-1.03) and the logarithmically transformed AUC0-∞ (0.99-1.01) and Cmax (0.94-1.01) values of the generic product over those of Flagyl® was calculated to be within the acceptable limit of 0.80-1.20 and 0.80-1.25, respectively. It was, therefore, concluded that the generic METRONIDAZOLE was bioequivalent with the innovator formulation.

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    Cite

    APA: Copy

    EMAMI, J., GHASSAMI, N., & HAMISHEHKAR, H.. (2006). A RAPID AND SENSITIVE HPLC METHOD FOR THE ANALYSIS OF METRONIDAZOLE IN HUMAN PLASMA: APPLICATION TO SINGLE DOSE PHARMACOKINETIC AND BIOEQUIVALENCE STUDIES. DARU JOURNAL OF PHARMACEUTICAL SCIENCE, 14(1), 15-21. SID. https://sid.ir/paper/275328/en

    Vancouver: Copy

    EMAMI J., GHASSAMI N., HAMISHEHKAR H.. A RAPID AND SENSITIVE HPLC METHOD FOR THE ANALYSIS OF METRONIDAZOLE IN HUMAN PLASMA: APPLICATION TO SINGLE DOSE PHARMACOKINETIC AND BIOEQUIVALENCE STUDIES. DARU JOURNAL OF PHARMACEUTICAL SCIENCE[Internet]. 2006;14(1):15-21. Available from: https://sid.ir/paper/275328/en

    IEEE: Copy

    J. EMAMI, N. GHASSAMI, and H. HAMISHEHKAR, “A RAPID AND SENSITIVE HPLC METHOD FOR THE ANALYSIS OF METRONIDAZOLE IN HUMAN PLASMA: APPLICATION TO SINGLE DOSE PHARMACOKINETIC AND BIOEQUIVALENCE STUDIES,” DARU JOURNAL OF PHARMACEUTICAL SCIENCE, vol. 14, no. 1, pp. 15–21, 2006, [Online]. Available: https://sid.ir/paper/275328/en

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