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1.
Helicobacter ; 29(3): e13098, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38853394

RESUMEN

BACKGROUND: Potassium-competitive acid blockers have demonstrated enormous potential in the eradication treatment of Helicobacter pylori infection, with tegoprazan being one of the representatives. The available data on the safety and efficacy of tegoprazan in dual therapy are limited. MATERIALS AND METHODS: The multicenter, noninferiority, randomized-controlled trial was conducted from May 2023 to March 2024. Treatment-naive subjects were randomly assigned (1:1) to enter either the tegoprazan-amoxicillin (TA) group (tegoprazan 50 mg twice daily and amoxicillin 750 mg four times daily) or the esomeprazole-amoxicillin (EA) group (esomeprazole 20 mg and amoxicillin 750 mg all four times daily), with a duration for 14 days. The primary outcome was eradication rate as determined by 13C-urea breath test, including per-protocol (PP) analysis and intention-to-treat (ITT) analysis. Secondary outcomes were adverse events and compliance. RESULTS: A total of 368 individuals were included in the randomization. The eradication rates in the EA group and the TA group were 84.2% and 85.8%, respectively, according to an ITT analysis (p = 0.77), and 88.5% and 88.2%, respectively, according to PP analysis (p = 1.00). The eradication rates for the TA group were not inferior to those of the EA group in both PP (p = 0.0023) and ITT analyses (p = 0.0009). There were no significant statistical differences in the incidence of adverse events and compliance between the two groups. The multivariate logistic regression analysis revealed that poor compliance increased the risk of eradication failure (p < 0.001). CONCLUSIONS: Dual therapy containing tegoprazan is safe and effective to be considered as a clinical first-line treatment option, but further optimization involving antimicrobial susceptibility testing and adjustments in dosage and frequency is warranted. TRIAL REGISTRATION: ClinicalTrials.gov ID: NCT05870683.


Asunto(s)
Amoxicilina , Antibacterianos , Quimioterapia Combinada , Infecciones por Helicobacter , Helicobacter pylori , Humanos , Infecciones por Helicobacter/tratamiento farmacológico , Masculino , Femenino , Amoxicilina/uso terapéutico , Amoxicilina/administración & dosificación , Persona de Mediana Edad , Helicobacter pylori/efectos de los fármacos , Antibacterianos/uso terapéutico , Antibacterianos/administración & dosificación , Antibacterianos/efectos adversos , Adulto , Resultado del Tratamiento , Inhibidores de la Bomba de Protones/uso terapéutico , Inhibidores de la Bomba de Protones/administración & dosificación , Inhibidores de la Bomba de Protones/efectos adversos , Anciano , Pruebas Respiratorias , Esomeprazol/uso terapéutico , Esomeprazol/administración & dosificación , Pirroles , Sulfonamidas
2.
Helicobacter ; 29(3): e13102, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38873902

RESUMEN

BACKGROUND: The optimal dosage of tetracycline remains unclear for Helicobacter pylori eradication. Frequent dosing requirements may decrease patient adherence and increase the incidence of adverse events, potentially reducing treatment efficacy. This study aimed to compare the efficacy of different tetracycline dosages in rescue treatment for H. pylori infection. METHODS: A total of 406 patients needing H. pylori rescue treatment were enrolled. Patients were randomized into two groups and received bismuth-containing quadruple therapies as follows: esomeprazole 40 mg twice daily, bismuth 220 mg twice daily, amoxicillin 1000 mg twice daily, and tetracycline 500 mg either three (TET-T group) or four (TET-F group) times daily. At least 6 weeks after treatment completion, a 13C-urea breath test was performed to evaluate H. pylori eradication. RESULTS: The intention-to-treat (ITT) eradication rates were 91.13% (185/203) and 90.15% (183/203) (p = 0.733), the modified ITT (MITT) eradication rates were 94.87% (185/195) and 95.31% (183/192) (p = 0.841), and the per-protocol (PP) eradication rates were 94.79% (182/192) and 95.21% (179/188) (p = 0.851) in the TET-T group and TET-F group, respectively. The eradication rates for the TET-T group were not inferior to those of the TET-F group in ITT, MITT, and PP analyses. The incidence of adverse effects was significantly lower in the TET-T group than in the TET-F group (23.65% vs. 33.50%, p = 0.028). No significant differences were observed in treatment compliance between the groups. CONCLUSIONS: The dose of tetracycline administered three times daily showed comparable efficacy to that administered four times daily, while significantly reducing the incidence of adverse events. The combination of tetracycline and amoxicillin in bismuth-containing quadruple therapy achieved a high eradication rate in H. pylori rescue treatment.


Asunto(s)
Antibacterianos , Infecciones por Helicobacter , Helicobacter pylori , Tetraciclina , Adulto , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Amoxicilina/administración & dosificación , Amoxicilina/uso terapéutico , Antibacterianos/administración & dosificación , Antibacterianos/uso terapéutico , Antibacterianos/efectos adversos , Bismuto/uso terapéutico , Bismuto/administración & dosificación , Pruebas Respiratorias , Esquema de Medicación , Quimioterapia Combinada , Esomeprazol/administración & dosificación , Esomeprazol/uso terapéutico , Infecciones por Helicobacter/tratamiento farmacológico , Helicobacter pylori/efectos de los fármacos , Tetraciclina/administración & dosificación , Tetraciclina/uso terapéutico , Tetraciclina/efectos adversos , Resultado del Tratamiento
3.
Dig Dis Sci ; 63(2): 302-311, 2018 02.
Artículo en Inglés | MEDLINE | ID: mdl-29282636

RESUMEN

Although proton pump inhibitors (PPIs) have been used widely, acid-related diseases are still associated with a huge burden on the health care system. Recently, the efficacy and safety of a new acid suppressant named vonoprazan in the treatment of acid-related diseases have been evaluated by a series of studies. As a novel potassium-competitive acid blocker, vonoprazan may provide reversible acid suppression by preventing K+ from binding to gastric H+/K+-ATPase. It has been clinically used for the short-term treatment of gastroesophageal reflux disease (GERD), peptic ulcer disease and Helicobacter pylori (H. pylori) infection in Japan. The healing rate of GERD and gastric ulcers by vonoprazan is more than 95 and 90%, respectively; also, it is effective in curing PPI-resistant GERD. It increases H. pylori eradication rate to more than 88% as part of both first-line and second-line therapy. It is also effective in the eradication of clarithromycin-resistant H. pylori strains. All of these short-term studies show vonoprazan is safe and well-tolerated. As a safe and effective acid inhibitor, vonoprazan might be a novel alternative in the treatment of acid-related diseases.


Asunto(s)
Reflujo Gastroesofágico/tratamiento farmacológico , Infecciones por Helicobacter/tratamiento farmacológico , Helicobacter pylori , Úlcera Péptica/tratamiento farmacológico , Pirroles/uso terapéutico , Sulfonamidas/uso terapéutico , Infecciones por Helicobacter/microbiología , Humanos , Inhibidores de la Bomba de Protones/uso terapéutico
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