Comparison of three commercial tests for buprenorphine screening in urine

Ann Clin Biochem 2007;44:563-565
doi:10.1258/000456307782268129
© 2007 Association for Clinical Biochemistry

 

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Aila Leino and
Britt-Marie Loo


TYKSLAB Laboratory, Hospital District of Southwest Finland; Department of Clinical Chemistry, Turku University Central Hospital, Kiinamyllynkatu, Turku, Finland; The Joint Clinical Biochemistry Laboratory of University of Turku, Turku University Central Hospital and Wallac Ltd, Kiinamyllynkatu 4-8, Turku, Finland;
TYKSLAB Laboratory, Hospital District of Southwest Finland


Background: Rapid and sensitive tests for detecting buprenorphineand its metabolites for drug-screening situations have beenlong awaited. From the tests available, we have evaluated twoon-site drugs-of-abuse testing devices using competitive bindingimmunoassays and one homogeneous enzyme immunoassay measuredon an automated analyser.

Methods: A total of 49 urine specimens were tested using three different kits. Two were point-of-care devices, a cassette test, QuikPac II OneStep Buprenorphine Test, and a strip test, QuikStrip OneStep Buprenorphine Test. The other was the CEDIA® BuprenorphineAssay performed on a Roche Modular P analyser. The confirmationanalyses were performed using liquid chromatography-mass spectrometry.

Results: The sensitivities of the three methods ranged from88% to 100% and specificities from 91% to 100%. All three kits,especially the cassette and strip devices differed markedlyfrom each other with respect to interpretation of the test resultand to clarity of the test performance. Increasing the readtime of the QuikStrip device from 5 to 30 min resulted in anincrease in false-negative test results.

Conclusions: Our results indicate that special care should betaken when selecting immunology-based point-of-care methodsfor measurement of buprenorphine.

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This article has been cited by other articles:



S. Twigger, E. Fox, and K. Allen
Measurement of buprenorphine in urine: immunoassay versus LC-MS/MS
Ann Clin Biochem,

May 1, 2008;
45(3):
339 – 339.

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