ArticleCurrent protocols2023
Quantitation of Mycophenolic Acid and Mycophenolic Acid Glucuronide in Serum or Plasma by LC-MS/MS.
Article in Current protocols, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Limited Sampling Strategies to Predict Mycophenolic Acid and Tacrolimus Area Under the Concentration-Time Curve in Steroid-Free Kidney Transplant Patients.Basic & clinical pharmacology & toxicology · 2025Article
- Biopharmaceutical Factors Involved in the Disposition of Mycophenolic Acid: A Comprehensive Review of ADME Properties and Their Potential Impact on Mycophenolic Acid Plasma Exposure.Current drug metabolism · 2025Review
- Quantitation of Mycophenolic Acid and Mycophenolic Acid Glucuronide in Serum or Plasma by LC-MS/MS.Current protocols · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mycophenolic acid (MPA) is an immunosuppressant that is used as an adjunct therapy in renal, liver, and heart transplantation. Due to its narrow therapeutic range, monitoring MPA levels is essential to avoid toxicity and organ rejection. Although immunoassays are available for the determination of MPA, mass spectrometry methods are preferred due to their higher specificity. Herein, we describe a liquid chromatography tandem mass spectrometry (LC-MS/MS) method utilizing positive ionization electrospray and multiple reaction monitoring (MRM) for the quantification of MPA levels and its conjugate, MPA glucuronide (MPAG). Blood collected in a plain, EDTA, or heparin-containing tube is centrifuged to separate the serum or plasma. Proteins are precipitated using a zinc sulfate solution and acetonitrile containing deuterated internal standards (MPA-d3 and MPAG-d3). The resulting protein-free supernatant is injected into the LC-MS/MS system for analysis. The chromatography involves the use of a C18 column and ammonium acetate/water/formic acid and ammonium acetate/methanol/formic acid mobile phases. Quantification of MPA and MPAG levels is achieved by comparing the MRM peak area ratios of analytes and internal standards, consisting of specific precursor/product pairs, with those of calibrators at various concentrations. Calibration curves are constructed from the MRM peak area ratios of calibrators and internal standards versus concentration. © 2023 Wiley Periodicals LLC. Basic Protocol: Quantitation of mycophenolic acid and mycophenolic acid glucuronide in serum or plasma by LC-MS/MS.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.