RT Journal Article T1 Fourteen-day high-dose esomeprazole, amoxicillin and metronidazole as third-line treatment for Helicobacter pylori infection A1 Puig, Ignasi A1 Gonzalez-Santiago, Jesus M. A1 Molina-Infante, Javier A1 Barrio, Jesus A1 Teresa Herranz, Maria A1 Algaba, Alicia A1 Castro, Manuel A1 Gisbert, Javier P. A1 Calvet, Xavier K1 amoxicillin K1 esomeprazole K1 Helicobacter pylori K1 metronidazole K1 rescue treatment K1 third-line treatment K1 Triple therapy K1 Rescue therapy K1 Quadruple therapy K1 Pump inhibitors K1 Levofloxacin K1 Eradication K1 Efficacy K1 Metaanalysis K1 Rifabutin K1 Bismuth AB IntroductionThe efficacy of currently recommended third-line therapies for Helicobacter pylori is suboptimal, even that of culture-guided treatments. Resistance to multiple antibiotics is the major factor related to treatment failure. The aim of this study was to evaluate the effectiveness and safety of a 14-day therapy using high-dose of amoxicillin, metronidazole and esomeprazole.Material and methodsMulticenter open-label study as a register in routine clinical practice in patients with two previous failures of eradication therapy. A triple therapy with esomeprazole 40mg b.d., amoxicillin 1g t.d.s and metronidazole 500mg t.d.s for 2weeks was administered as a third-line therapy after a first treatment including clarithromycin and a second treatment including a quinolone. Helicobacter pylori status was determined by either histology or C-13-UBT both before and after treatment.ResultsA total of 68 patients were included in this study. An interim analysis showed that only three out of eight patients who had received metronidazole in previous eradication regimens were cured (37%, 95% CI 8-75); as a result, after this interim analysis only metronidazole-naive patients were included. The ITT eradication rate in metronidazole-naive patients was 64% (95% CI 51-76). Adverse events occurred in 58% of patients, all of them mild-to-moderate. Two patients (3%) did not complete >90% of the treatment because of side effects. No severe adverse events occurred.ConclusionCure rates of this 14-day schedule using high-dose esomeprazole, amoxicillin and metronidazole as a third-line eradication regimen were suboptimal, especially in patients who had received metronidazole in previous failed eradication regimens. PB Wiley SN 1368-5031 YR 2017 FD 2017-09-01 LK http://hdl.handle.net/10668/18989 UL http://hdl.handle.net/10668/18989 LA en DS RISalud RD Apr 11, 2025