Analytical evaluation of GeneXpert CT/NG, the first genetic point-of-care assay for simultaneous detection of Neisseria gonorrhoeae and Chlamydia trachomatis

J Clin Microbiol. 2013 Jun;51(6):1945-7. doi: 10.1128/JCM.00806-13. Epub 2013 Apr 3.

Abstract

GeneXpert CT/NG was evaluated with 372 characterized bacterial strains. Sensitivity of 10 genome copies/reaction was obtained for both agents. Four Neisseria mucosa and two Neisseria subflava isolates were positive for one of two gonococcal targets; however, the assay flagged all as negative. The assay was analytically highly sensitive and specific.

Publication types

  • Evaluation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacteriological Techniques / methods*
  • Chlamydia trachomatis / classification
  • Chlamydia trachomatis / genetics
  • Chlamydia trachomatis / isolation & purification*
  • Gonorrhea / diagnosis*
  • Gonorrhea / microbiology
  • Humans
  • Lymphogranuloma Venereum / diagnosis*
  • Lymphogranuloma Venereum / microbiology
  • Male
  • Molecular Diagnostic Techniques / methods*
  • Neisseria gonorrhoeae / classification
  • Neisseria gonorrhoeae / genetics
  • Neisseria gonorrhoeae / isolation & purification*
  • Point-of-Care Systems*
  • Sensitivity and Specificity