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Inicio Medicina Clínica (English Edition) Quadruple concomitant non-bismuth therapy vs. classical triple therapy as first ...
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Vol. 147. Issue 5.
Pages 199-201 (September 2016)
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Vol. 147. Issue 5.
Pages 199-201 (September 2016)
Original article
Quadruple concomitant non-bismuth therapy vs. classical triple therapy as first line therapy for Helicobacter pylori infection
Comparación de cuádruple terapia concomitante sin bismuto con triple terapia clásica como primera línea de tratamiento para la erradicación del Helicobacter pylori
Ana Campillo
Corresponding author
campilloarregui@gmail.com

Corresponding author.
, Miriam Ostiz, Edurne Amorena, Marcos Kutz, Matilde La Iglesia
Servicio Aparato Digestivo, Hospital Reina Sofía, Tudela, Navarra, Spain
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Tables (2)
Table 1. Effectiveness of different treatment regimes.
Table 2. PPIs used in the eradication regime.
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Abstract
Background and objective

In a previous study we found that the classical triple therapy for Helicobacter pylori (H. pylori) had low efficacy (under 70%) in our area. After this finding, in mid 2012 quadruple concomitant therapy started to be prescribed in our hospital. The aim of the present study is to compare the efficacy of classical triple therapy and quadruple concomitant therapy without bismuth.

Materials and methods

Observational retrospective study of prescribed treatments between 1st January 2012 and 5th May 2014 and their efficacy.

Results

During the study period 510 patients were prescribed a first line therapy; in 179 cases (35.1%) the combination amoxiciline+clarithromicine+PPI was prescribed during 7–14 days, and 298 patients (58.4%) were treated with amoxicillin+clarithromycin+metronidazole+PPI for 10 days. The quadruple concomitant therapy had a higher efficacy than the classical triple therapy, both in an “intention to treat” (84.8% vs. 65.7%, P=.001) and “per protocol” (86.9% vs. 67.2%, P=.001) analysis. Triple therapy had a higher efficacy when it was prescribed for 10 days compared to 7 days (77.9% vs. 56.5%, P=.005 per “intention to treat” and 77.9% vs. 58.5%, P=.011 “per protocol”). When quadruple concomitant therapy was compared with classical triple therapy prescribed over 10 days no significant differences were found.

Conclusions

In our setting, quadruple concomitant therapy without bismuth has a high efficacy as first line therapy for H. pylori eradication, with much better results than classical triple therapy in the way that it is most widely prescribed (short courses of 7-day with a single dose of omeprazole).

Keywords:
Helicobacter pylori
Triple therapy
Quadruple concomitant therapy
Resumen
Fundamento y objetivo

Tras constatar que en nuestro medio la triple terapia clásica presentaba una eficacia subóptima en la erradicación del Helicobacter pylori (H. pylori), a mediados de 2012 decidimos implantar la cuádruple terapia concomitante sin bismuto. El objetivo de este estudio es comparar la eficacia de ambas pautas.

Material y métodos

Estudio retrospectivo observacional de las pautas erradicadoras administradas entre el 1 de enero de 2012 y el 5 de mayo de 2014, así como su eficacia.

Resultados

En el periodo de estudio 510 pacientes recibieron al menos una primera línea de tratamiento que en 179 casos (35,1%) consistió en amoxicilina+claritromicina+IBP durante 7–14 días, y en 298 (58,4%) en la combinación amoxicilina+claritromicina+metronidazol+IBP 10 días. La pauta cuádruple concomitante fue más eficaz que la combinación clásica, tanto «por intención de tratar» (84,8 vs. 65,7%; p=0,001) como «por protocolo» (86,9 vs. 67,2%; p=0,001). La triple terapia fue más eficaz cuando se empleaba en pautas de 10 días que de 7 (77,9 vs. 56,5%; p: 0,005 por «intención de tratar» y 77,9 vs. 58,5%; p: 0,011 por «protocolo»). Al comparar la eficacia de la cuádruple terapia con la triple administrada 10 días no se encontraron diferencias significativas.

Conclusiones

En nuestro medio, la cuádruple terapia concomitante sin bismuto presenta una elevada eficacia como primera línea de tratamiento para la erradicación del H. pylori, superando ampliamente la de la triple terapia en la forma en que esta viene administrándose mayoritariamente (pautas cortas de 7 días).

Palabras clave:
Helicobacter pylori
Triple terapia
Terapia cuádruple concomitante

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