We described a robust, rapid and simple method suitable for the determination of MPA concentrations in PBMCs. This method is currently used in pharmacokinetics-pharmacodynamics (PK-PD) clinical trials, in comparison to standard plasma TDM.
Nguyen, T. M., Capron, A., Mourad, M., & Wallemacq, P. (2013). Mycophenolic acid quantification in human peripheral blood mononuclear cells using liquid chromatography-tandem mass spectrometry. Clinical Biochemistry, 46(18), 1909-1911. https://doi.org/10.1016/j.clinbiochem.2013.09.009 (Original work published 2013)