Evaluation of four commercial rapid immunochromatographic assays for detection of Cryptosporidium antigens in stool samples: a blind multicenter trial

J Clin Microbiol. 2011 Apr;49(4):1605-7. doi: 10.1128/JCM.02074-10. Epub 2011 Feb 2.

Abstract

In a multicenter study, potassium dichromate-preserved stools from patients infected with Cryptosporidium parvum (n = 20), C. hominis (n = 20), and other Cryptosporidium species (n = 10) and 60 controls were examined using four immunochromatographic assays. Assay sensitivity ranged between 50.1% and 86.7% for C. parvum and C. hominis but was <35% for other species.

Publication types

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

MeSH terms

  • Antigens, Protozoan / analysis*
  • Clinical Laboratory Techniques / methods*
  • Cryptosporidiosis / diagnosis*
  • Cryptosporidiosis / parasitology
  • Cryptosporidium / immunology
  • Cryptosporidium / isolation & purification*
  • Feces / parasitology*
  • Humans
  • Immunoassay / methods
  • Parasitology / methods*
  • Sensitivity and Specificity

Substances

  • Antigens, Protozoan