An analytical comparison between point-of-care uric acid testing meters

被引:15
作者
Paraskos, Jonathan [1 ]
Berke, Zsofia [2 ]
Cook, Jason [2 ]
Miner, Jeffrey N. [3 ]
Braddock, Martin [1 ]
Platt, Adam [4 ]
Hughes, Glen [1 ]
机构
[1] AstraZeneca, Res & Dev, Macclesfield, Cheshire, England
[2] AstraZeneca, Res & Dev, Molndal, Sweden
[3] Ardea Biosci, Res & Dev, San Diego, CA USA
[4] AstraZeneca, Compan Diagnost, Cambridge, England
关键词
gout; diagnostic test; point-of-care systems; Uric acid; GOUT; HYPERURICEMIA; ALLOPURINOL; FEBUXOSTAT; MANAGEMENT; URATE; TRIAL;
D O I
10.1586/14737159.2016.1134326
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
Objective: A key goal in gout treatment is achieving sustained serum uric acid (sUA) lowering. Point-of-care test (PoCT) meters provide convenient, rapid measures of sUA levels to monitor/adjust therapy. Four commercially available sUA PoCT meters were compared qualitatively (ease of use) and quantitatively (precision/accuracy). Methods: Liquid chromatography mass spectrometry (LC-MS) analysis was used as a laboratory reference method to compare precision of PoCT devices using blood samples from 20 healthy volunteers. Accuracy was compared against the LC-MS reference method and a laboratory clinical chemistry platform. Results: Qualitatively, EasyTouch((R)) GU and UASure were least user-friendly, requiring repeated attempts for accurate use. HumaSens and BeneCheck provided good usability and assay precision. Cross-validation of meter precision with laboratory-based uricase assay gave good correlations between both methods (R-2=0.8061 and 0.7605, respectively). Conclusion: UA PoCT meters can be important in managing gout, and the characteristics compared herein may enhance successful patient uptake.
引用
收藏
页码:373 / 382
页数:10
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