Journal
HELICOBACTER
Volume 27, Issue 2, Pages -Publisher
WILEY
DOI: 10.1111/hel.12873
Keywords
antibiotic resistance; antimicrobial susceptibility testing; Helicobacter pylori
Categories
Funding
- 1.3.5 Project for Disciplines of Excellence, West China Hospital, Sichuan University [ZY2016201]
- National Natural Science Foundation of China [82072248]
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This review calls for international consensus on standardization and harmonization of susceptibility testing for Helicobacter pylori. Standard phenotypic testing methods and molecular testing methods each have their own advantages and disadvantages. Efforts are needed to optimize culture methods and develop high throughput and automated testing for H. pylori to make susceptibility testing a routine clinical practice.
Background and aims: As with other infectious diseases, Helicobacter pylori eradication regimens should be guided by susceptibility testing to achieve excellent success rate, especially in the era of high antibiotic resistance. However, susceptibility testing for H. pylori is rarely performed, which can be partly ascribed to the current lack of standardization of testing methods and the lack of unified consensus on the antibiotic resistance breakpoints. The aim of this review was to call for an international consensus on standardization and harmonization of H. pylori susceptibility testing. Methods: We summarize and compare the advantages and disadvantages of four different phenotypic antimicrobial susceptibility testing (AST) methods (agar dilution, E-test, disk diffusion, and broth microdilution) and the molecular susceptibility testing method for H. pylori. Results: The standard phenotypic testing methods and the molecular testing methods have their own advantages and disadvantages. Compared to the standard phenotypic methods, the molecular testing method does not require successful H. pylori culture, and therefore, is much more rapid and convenient for clinical use. However, the currently available molecular testing method is only suitable for detecting clarithromycin and quinolone susceptibility profiles in H. pylori. Although the standard AST is time-consuming, it is currently the only way to test the susceptibility of H. pylori to all the commonly used antibiotics. Conclusion: To make H. pylori susceptibility testing become a clinical routine, an international consensus on standardization and harmonization of H. pylori AST is needed. Future efforts are needed for optimizing broth culture of H. pylori, and developing commercial AST plates for achieving high throughput and automated susceptibility testing for H. pylori.
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