Phenotypic and genotypic Helicobacter pylori clarithromycin resistance and therapeutic outcome: benefits and limits
Author(s) -
Vincenzo De Francesco,
Angelo Zullo,
Enzo Ierardi,
Floriana Giorgio,
Federico Perna,
Cesare Hassan,
S. Morini,
C. Pañella,
D. Vaira
Publication year - 2009
Publication title -
journal of antimicrobial chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.124
H-Index - 194
eISSN - 1460-2091
pISSN - 0305-7453
DOI - 10.1093/jac/dkp445
Subject(s) - clarithromycin , helicobacter pylori , genotype , concordance , phenotype , antibiotic resistance , drug resistance , medicine , biology , immunology , antibiotics , microbiology and biotechnology , genetics , gene
Primary clarithromycin resistance is increasing worldwide, and it has been regarded as the main factor reducing the efficacy of Helicobacter pylori therapy. However, the clinical consequence of either phenotypic or genotypic resistance still remains unclear. This study aimed to evaluate: (i) the concordance between phenotypic (culture) and genotypic (real-time PCR) tests in assessing primary clarithromycin resistance; and (ii) the role of both in therapeutic outcome.
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