Performance of the cepheid CT/NG Xpert rapid PCR test for detection of Chlamydia trachomatis and Neisseria gonorrhoeae

Charlotte A. Gaydos, Barbara Van Der Pol, Mary Jett-Goheen, Mathilda Barnes, Nicole Quinn, Carey Clark, Grace E. Daniel, Paula B. Dixon, Edward W. Hook, Thomas Davis, Preeti Pancholi, Peter Kerndt, Patrick Horner, Jeanne Marrazzo, Andrew De Burgh-Thomas, José Castro, Dorothy Ferguson, Michelle Meyer, Susan Philip, Bobbie Van Der PolMelanie Thompson, Stephanie Taylor, David Ronk, Paul Fine, Laura Bachman, Donna Mayne, Craig Dietz, Kim Toevs, Nikole Gettings, Stanley Gall, Rajul Patel, Jonathan Ross, Latina Brooks, Lydie Hazan, Patrick Clarke, Robert Groom, Ronald Ackerman, Eugene Anduczyk, Anakutty Mathews, Stephen Blank, Lisa Harris, Albert Tidings, Philippa Moore, Samuel Alexander, Timothy Spurrell

Research output: Contribution to journalArticlepeer-review

148 Scopus citations

Abstract

Tests for Chlamydia trachomatis and Neisseria gonorrhoeae, which can provide results rapidly to guide therapeutic decision-making, offer patient care advantages over laboratory-based tests that require several days to provide results.Wecompared results from the Cepheid GeneXpert CT/NG (Xpert) assay to results from two currently approved nucleic acid amplification assays in 1,722 female and 1,387 male volunteers. Results for chlamydia in females demonstrated sensitivities for endocervical, vaginal, and urine samples of 97.4%, 98.7%, and 97.6%, respectively, and for urine samples from males, a sensitivity of 97.5%, with all specificity estimates being ≥99.4%. Results for gonorrhea in females demonstrated sensitivities for endocervical, vaginal, and urine samples of 100.0%, 100.0%, and 95.6%, respectively, and for urine samples from males, a sensitivity of 98.0%, with all estimates of specificity being ≥99.8%. These results indicate that this short-turnaround-time test can be used to accurately test patients and to possibly do so at the site of care, thus potentially improving chlamydia and gonorrhea control efforts.

Original languageEnglish (US)
Pages (from-to)1666-1672
Number of pages7
JournalJournal of clinical microbiology
Volume51
Issue number6
DOIs
StatePublished - Jun 2013

ASJC Scopus subject areas

  • Microbiology (medical)

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