DARU Journal of Pharmaceutical Sciences 2005. 13(3):120-126.

"Determination of mycophenolic acid in human plasma by high-performance liquid chromatography"
"Mehdi Ahadi Barzoki, Mohammadreza Rouini, Kheirolla Gholami, Mahboob Lessan-Pezeshki, Saeed Rezaee"


A simple, sensitive and reproducible HPLC method is presented for determination of mycophenolic acid(MPA) in human plasma. Samples were prepared after precipitation of the plasma protein by addition of acetonitrile and naproxen was used as internal standard (I.S.). Separation was performed by reversedphase HPLC, using a Hamilton PRP-C18 Column, 51% acetonitrile and 49% potassium phosphate buffer (20 mM) at pH 3.0 as mobile phase, flow rate of 1.0 ml/min, and UV detection at 215 nm. MPA and I.S. had retention times of 7.5 and 11.35 min, respectively. The method showed an acceptable linearity in the range of 0.1µg/ml-40µg/ml with r2 of .9992. The concentration of 0.1µg/ml was determined as quantification limit. Mean absolute recovery was 94.8%. The mean intra- and inter-day reproducibility of
method was 4.6 and 11.4% respectively.


Mycophenolic acid, Mycophenolate mofetile, Kidney transplant,

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