Journal
BIOMEDICAL CHROMATOGRAPHY
Volume 37, Issue 2, Pages -Publisher
WILEY
DOI: 10.1002/bmc.5538
Keywords
chemiluminescence microparticle immunoassay; electrochemiluminescence immunoassay; sirolimus; tacrolimus; therapeutic drug monitoring; ultra-high performance liquid chromatography tandem mass spectrometry
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The study aimed to develop a method for simultaneously detecting the antirejection medications TAC and SIR in organ transplantation. Different techniques were compared in terms of their agreement and performance, with the goal of determining the most suitable analytical method.
Tacrolimus (TAC) and sirolimus (SIR) antirejection medications are widely used in organ transplantation. We aimed to develop an ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) assay for quantifying TAC and SIR simultaneously and evaluating agreement with chemiluminescence microparticle immunoassay (CMIA) and electrochemiluminescence immunoassay (ECLIA). Whole blood samples collected from 209 TAC and 208 SIR patients were assessed by UHPLC-MS/MS, CMIA and ECLIA. The agreement of the three techniques was assessed using the Bland-Altman plot. The UHPLC-MS/MS assay had a calibration range of 1-100 ng/ml for TAC and SIR. The accuracy and precision were -2.73-4.32% and <4.71% for TAC, respectively, and 0.07-4.84% and <6.5% for SIR, respectively. The three methods had good correlation. In comparison with UHPLC-MS/MS, two immunoassays showed a slight deviation in proportion. An UHPLC-MS/MS method for simultaneously detecting TAC and SIR in human whole blood was developed, validated and comparatively analyzed with CMIA and ECLIA. For determining TAC and SIR, immunoassays displayed acceptable analytical performances in terms of precision and correlation compared with UHPLC-MS/MS. However, further investigation is warranted to examine the novel method.
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