Article ; Online: Comparative Evaluation of 4 Commercially Available ELISA Kits for Measuring Adalimumab and Anti-adalimumab Antibodies.
2020 Volume 42, Issue 6, Page(s) 821–828
Abstract: Background: Therapeutic drug monitoring of tumor necrosis factor inhibitors, such as adalimumab (ADM), is increasingly being performed for the management of autoimmune diseases. However, there can be significant variation in drug and antibody ... ...
| Abstract | Background: Therapeutic drug monitoring of tumor necrosis factor inhibitors, such as adalimumab (ADM), is increasingly being performed for the management of autoimmune diseases. However, there can be significant variation in drug and antibody concentrations obtained by different assay methods. The aim of this study was to compare the performance of 4 enzyme-linked immunosorbent assay (ELISA) kits for measuring ADM and anti-ADM antibodies. Method: Dilutions of ADM or anti-ADM spiked sera were assessed for recovery rate and precision using the following 4 kits: LISA-Tracker (Theradiag, Croissy-Beaubourg, France), Promonitor (Grifols, Barcelona, Spain), Ridascreen (R-Biopharm, Darmstadt, Germany), and Shikari (Matriks Biotek, Gölbaşi/Ankara Turkey). Interference samples were also assessed. Results: At the therapeutic concentration, ADM detection was comparable among the 4 ELISA kits. Lisa-Tracker and Shikari kits produced low-range false positive results in normal sera. Infliximab and etanercept caused false positives in Lisa-Tracker and Shikari kits. Anti-ADM antibody ELISA kits performed differently with spiked samples because of different measuring units and ranges. Ridascreen and Shikari kits were dose responsive across the entire standard curve and correlated well with each other (r = 0.997). Cross reactivity was observed in rheumatoid factor positive sera tested on the Promonitor anti-ADM kit. Conclusions: All ADM kits tested were dose responsive within the therapeutic range and correlated well. The significance of observed low-range false positives and cross reactivity with infliximab in LISA-Tracker and Shikari kits is dependent on the indications received for testing in the laboratory. Anti-ADM ELISA kits produced varied results for spiked sera; however, they showed good precision. Inter-kit variability suggested that anti-ADM levels should be compared only when using the same method. |
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| MeSH term(s) | Adalimumab/analysis ; Antibodies/analysis ; Drug Monitoring ; Enzyme-Linked Immunosorbent Assay/standards ; Humans ; Infliximab ; Reagent Kits, Diagnostic/standards | |||||
| Chemical Substances | Antibodies ; Reagent Kits, Diagnostic ; Infliximab (B72HH48FLU) ; Adalimumab (FYS6T7F842) | |||||
| Language | English | |||||
| Publishing date | 2020-09-14 | |||||
| Publishing country | United States | |||||
| Document type | Comparative Study ; Journal Article | |||||
| ZDB-ID | 424443-6 | |||||
| ISSN | 1536-3694 ; 0163-4356 | |||||
| ISSN (online) | 1536-3694 | |||||
| ISSN | 0163-4356 | |||||
| DOI | 10.1097/FTD.0000000000000795 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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