Modification of clearview tuberculosis (TB) enzyme-linked immunosorbent assay for tb patients not infected with HIV

Laura Savolainen*, Anu Kantele, Bettina Sandboge, Marita Sirén, Heikki Valleala, Riitta Tuompo, Liana Pusa, Riitta Erkinjuntti-Pekkanen, Aija Knuuttila, Cheng Lung Ku, Chih Yu Chi, Tuula Vasankari, Tamara Tuuminen

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

16 Scopus citations

Abstract

Diagnosis of active tuberculosis by detection of urinary lipoarabinomannan (uLAM) from Mycobacterium tuberculosis is an attractive approach. Concentrating urine 100-foldallowed quantitation of uLAM at levels equal to picograms/ml of nonconcentrated urine. The approach of concentrating urine 100-fold improved the clinical sensitivity of the Clearview TB enzyme-linked immunosorbent assay (ELISA) from 7% to 57% yet impaired its specificity from 97% to 89%. (This study has been registered at University Hospital of Turku under registration no. 47/180/2009, Helsinki University Central Hospital under 149/2010, University Hospital of Kuopio under 105/2010, and China Medical University Hospital, Taichung, under DMR-99-IRB-075-2.)

Original languageEnglish
Pages (from-to)1479-1482
Number of pages4
JournalClinical and Vaccine Immunology
Volume20
Issue number9
DOIs
StatePublished - 09 2013

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