Efficacy and safety of using probiotics as adjuvants in the eradication of Helicobacter pylori. Systematic review and meta-analysis
Efectividad y seguridad del uso de probióticos como adyuvantes en la erradicación de Helicobacter pylori. Revisión sistemática y metaanálisis
Palabras clave:
Helicobacter pylori, Probiotics, Disease Eradication (en)Helicobacter pylori, Probióticos, Erradicación de la enfermedad (es)
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Introduction: Adding probiotics to triple and quadruple therapies has been proposed to improve their effectiveness in the eradication of Helicobacter pylori, but there is controversy about their usefulness.
Objective: To assess the effectiveness and safety of probiotics as adjuvants in triple or quadruple therapies for H. pylori eradication in adults.
Materials and methods: Systematic review and meta-analysis. Randomized clinical trials (RCTs) assessing the effectiveness and safety of probiotics as adjuvant therapy in combination with triple and quadruple therapies for the eradication of H. pylori in adults and published in English or Spanish between January 2010 and May 2020 were searched in the Embase, Ovid Medline, Cochrane Library, and LILACS databases. Regarding the meta-analysis, a fixed-effects model was used to calculate the pooled measure (OR and RR) of the effectiveness and safety of using adjuvant probiotics in triple and quadruple therapy.
Results: Twelve RCTs were included (1 091 patients in total): 9 assessed triple therapy, 2 assessed quadruple therapy, and 1 assessed both triple and quadruple therapy. In the case of triple therapy, the use of adjuvant probiotics was more effective than placebo: 79.4% vs. 71.1%, (OR=1.42; 95%CI: 1.05-2.09), but in the case of quadruple therapy, their use did not increase effectiveness. The most widely used probiotic was Lactobacillus reuteri, with an eradication rate of 77.9% (95%CI: 70.5-84.19) versus 66.8% (95%CI: 58.8-74.2) for placebo. Probiotics decreased the occurrence of adverse effects in both triple therapy (OR=0.50; 95%CI: 0.28-0.90) and quadruple therapy (OR=0.26; 95%CI: 0.09-0.74).
Conclusions: Adjuvant probiotics improve the effectiveness of triple therapy to eradicate H. Pylori by 8.5%, but the final effectiveness is <90%. Furthermore, their use does not increase the effectiveness of quadruple therapy. However, the use of these microorganisms reduces the adverse effects of these therapies.
Introducción. Se ha propuesto agregar probióticos a las terapias triples y cuádruples para mejorar su efectividad en la erradicación de Helicobacter pylori, pero existe controversia sobre su utilidad.
Objetivo. Evaluar la efectividad y seguridad del uso adyuvante de probióticos en la terapia triple o cuádruple para la erradicación de H. pylori en adultos.
Materiales y métodos. Revisión sistemática y metaanálisis. Se realizó una búsqueda en Embase, Ovid Medline, Cochrane Library y LILACS de ensayos clínicos aleatorizados (ECA) publicados en inglés o español entre enero de 2010 y mayo de 2020 que evalúan la efectividad y seguridad de usar probióticos como terapia coadyuvante en combinación con la terapia triple o cuádruple en la erradicación de H. pylori en adultos. En el metaanálisis se utilizó un modelo de efectos fijos para calcular la medida combinada (OR y RR) de efectividad y seguridad de los probióticos coadyuvantes en terapia triple y cuádruple.
Resultados: Se incluyeron 12 ECA (1 091 pacientes en total): 9 evaluaron terapia triple; 2, terapia cuádruple, y 1, terapia triple y cuádruple. En la terapia triple el uso coadyuvante de probióticos fue más efectivo que el uso de placebo: 79.4% vs. 71.1% (OR=1.42; IC95%: 1.05-2.09), pero en la terapia cuádruple, su uso no aumentó la efectividad. El probiótico más utilizado fue Lactobacillus reuteri, con una tasa de curación de 77.9% (IC95%: 70.5-84.19) versus 66.8% (IC95%: 58.8-74.2) del placebo. Los probióticos disminuyeron la ocurrencia de efectos adversos tanto en terapia triple (OR=0.50; IC95%: 0.28-0.90) como en cuádruple (OR=0.26; IC95%: 0.09-0.74).
Conclusiones. El uso coadyuvante de probióticos mejora la efectividad de la terapia triple para erradicar H. Pylori en un 8.5%, pero la efectividad final es <90%. Además, su uso no aumenta la efectividad de la terapia cuádruple. No obstante, el uso de estos microorganismos disminuye los efectos adversos de estas terapias.
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