Genotypic Resistance-guided Versus Empirical Therapy for H. Pylori Eradication.

2019-09-20 03:46:51 | BioPortfolio


This study aims to investigate the efficacy of a 7-day genotypic resistance-guided triple therapy, compared with empirical concomitant therapy, for first-line eradication of H. pylori.


Empiric eradication of H. pylori becomes steadily more challenging because of increasing antibiotic resistance. In high-resistance countries where bismuth and/or tetracycline are unavailable (eg; Greece), non-bismuth quadruple therapies are currently recommended as first-line therapeutic options; however, eradication rates >95% are infrequently achieved and even >90% are disputed. Antimicrobial susceptibility-guided therapy is a promising alternative in order to maintain high therapeutic efficacy. However, traditional culture-based susceptibility testing methods have several shortcomings, including they are time-consuming and they do not 100% reflect in vivo eradication. Recent guidelines also recommend the use of molecular testing for evaluation of H. pylori antibiotic susceptibility. Nevertheless, the efficacy of genotypic resistance-guided treatment of H. pylori has been seldom appraised. Therefore, the investigators conducted this prospective randomized controlled trial aiming to investigate the efficacy of a 7-day genotypic resistance-guided triple therapy, compared with empirical concomitant therapy, for first-line eradication of H. pylori.

Study Design


Helicobacter Pylori Infection


Esomeprazole 40mg, Clarithromycin 500mg, Metronidazole 500 mg, Amoxicillin 1000 MG, Levofloxacin 500mg, Rifabutin 150 MG


Konstantopoulio-Patision General Hospital
Nea Ionia




Konstantopoulio-Patission General Hospital of Nea Ionia

Results (where available)

View Results


Published on BioPortfolio: 2019-09-20T03:46:51-0400

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Medical and Biotech [MESH] Definitions

A fixed-ratio combination of amoxicillin trihydrate (see AMOXICILLIN), an aminopenicillin, and potassium clavulanate (see CLAVULANIC ACID), a beta-lactamase inhibitor, used to treat a broad-spectrum of bacterial infections, especially resistant strains.

The L-isomer of Ofloxacin.

The S-isomer of omeprazole.

A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration.

A semisynthetic macrolide antibiotic derived from ERYTHROMYCIN that is active against a variety of microorganisms. It can inhibit protein synthesis in bacteria by reversibly binding to the 50S ribosomal subunits. This inhibits the translocation of aminoacyl transfer-RNA and prevents peptide chain elongation.

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