alexa Determination of piracetam in human plasma and urine by liquid chromatography.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Applied Pharmacy

Author(s): Louchahi K, Tod M, Bonnardel P, Petitjean O

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Abstract A method for the determination of piracetam in human plasma and urine by liquid chromatography with absorbance detection at 206 nm and isocratic elution is proposed. The assay involved a liquid-liquid extraction into hexane-2-propanol at pH 9.2. The calibration graphs were linear in the range 3-40 mg/l in plasma and 100-2000 mg/l in urine. Bias was negligible and coefficients of variation were less than 10\% throughout the working range except at 100 mg/l in urine. The limits of quantification were 3 mg/l in plasma and 100 mg/l in urine. The assay was reliably used for pharmacokinetic studies in humans after administration of 800 mg of piracetam per os.
This article was published in J Chromatogr B Biomed Appl and referenced in Journal of Applied Pharmacy

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