Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1220124 | Journal of Pharmaceutical and Biomedical Analysis | 2016 | 9 Pages |
Abstract
Mycophenolic acid (MPA) is the active metabolite of the prodrug mycophenolate mofetil. In this study, we developed and validated a novel ultra-high performance liquid chromatography (UHPLC) method for the rapid quantification of MPA in plasma from dogs, cats and humans. Following the protein precipitation, calibration standards and quality controls were separated by UHPLC reversed-phase on a 1.5 μm 2.1 Ã 100 mm C18 column and quantified using UV detection at 215 nm. The procedure produced a linear curve (r2 > 0.997) over the concentration range 0.4-50 μg/mL and exhibited a high degree of repeatability (CV% <11%). The limit of detection (LOD) and lower limit of quantitation (LLOQ) were 0.1 and â¤0.4 μg/mL, respectively and the overall recovery was â¥87%. By combining isocratic conditions with a UHPLC column containing solid core particles, we were able to elute MPA and the internal standard (mycophenolic acid carboxybutoxy ether) within 3.0 min. The short total run time makes this method ideal to study the disposition of MPA in large batches of plasma samples and/or monitor plasma drug concentrations, as recommended for patients that require optimized immunosuppression.
Keywords
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Sol-Maiam Rivera Vélez, Alice Morassi, Michael H. Court, Jennifer E. Slovak, Nicolas F. Villarino,