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Role of compliance in Helicobacter pylori eradication treatment: Results of the European Registry on H. pylori management

  • Jose M. Huguet
  • , Luis Ferrer-Barceló
  • , Patrícia Suárez
  • , Susana Barcelo-Cerda
  • , Javier Sempere
  • , Ilaria Maria Saracino
  • , Giulia Fiorini
  • , Dino Vaira
  • , Ángeles Pérez-Aísa
  • , Laimas Jonaitis
  • , Bojan Tepes
  • , M. Castro-Fernandez
  • , Manuel Pabón-Carrasco
  • , Alma Keco-Huerga
  • , Irina Voynovan
  • , Alfredo J. Lucendo
  • , Ángel Lanas
  • , Samuel J. Martínez-Domínguez
  • , Enrique Alfaro Almajano
  • , Luis Rodrigo
  • Ludmila Vologzanina, Dmitry S. Bordin, Antonio Gasbarrini, Gülüstan Babayeva, Frode Lerang, Mārcis Leja, Juozas Kupčinskas, Theodore Rokkas, Ricardo Marcos-Pinto, Antonio Meštrović, Oleksiy Gridnyev, Perminder S. Phull, Sinead M. Smith, Doron Boltin, György Miklós Buzás, Jan Kral, Halis Şimşek, Tamara Matysiak-Budnik, Vladimir Milivojevic, Wojciech Marlicz, Marino Venerito, Lyudmila Boyanova, Michael Doulberis, Lisette G. Capelle, Anna Cano-Català, Leticia Moreira, Olga P. Nyssen, Francis Mégraud, Colm O’Morain, Javier P. Gisbert
  • Polytechnic University of Valencia
  • University of Bologna
  • Hospital Clinico Universitario Lozano Blesa
  • University of Oviedo
  • Fondazione Policlinico Universitario Agostino Gemelli IRCCS
  • University of Porto
  • NHS Grampian
  • Tel Aviv University
  • Charles University
  • Hacettepe University
  • University of Belgrade
  • Pomeranian Medical University in Szczecin
  • Otto von Guericke University Magdeburg
  • Meander Medical Center
  • University of Barcelona

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

Background: Adherence to Helicobacter pylori (H. pylori) eradication treatment is a cornerstone for achieving adequate treatment efficacy. Objective: To determine which factors influence compliance with treatment. Methods: A systematic prospective non-interventional registry (Hp-EuReg) of the clinical practice of European gastroenterologists. Compliance was considered adequate if ≥90% drug intake. Data were collected until September 2021 using the AEG-REDCap e-CRF and were subjected to quality control. Modified intention-to-treat analyses were performed. Multivariate analysis carried out the factors associated with the effectiveness of treatment and compliance. Results: Compliance was inadequate in 646 (1.7%) of 38,698 patients. The non-compliance rate was higher in patients prescribed longer regimens (10-, 14-days) and rescue treatments, patients with uninvestigated dyspepsia/functional dyspepsia, and patients reporting adverse effects. Prevalence of non-adherence was lower for first-line treatment than for rescue treatment (1.5% vs. 2.2%; p < 0.001). Differences in non-adherence in the three most frequent first-line treatments were shown: 1.1% with proton pump inhibitor + clarithromycin + amoxicillin; 2.3% with proton pump inhibitor clarithromycin amoxicillin metronidazole; and 1.8% with bismuth quadruple therapy. These treatments were significantly more effective in compliant than in non-compliant patients: 86% versus 44%, 90% versus 71%, and 93% versus 64%, respectively (p < 0.001). In the multivariate analysis, the variable most significantly associated with higher effectiveness was adequate compliance (odds ratio, 6.3 [95%CI, 5.2–7.7]; p < 0.001). Conclusions: Compliance with Helicobacter pylori eradication treatment is very good. Factors associated with poor compliance include uninvestigated/functional dyspepsia, rescue-treatment, prolonged treatment regimens, the presence of adverse events, and the use of non-bismuth sequential and concomitant treatment. Adequate treatment compliance was the variable most closely associated with successful eradication.

Original languageEnglish
Pages (from-to)691-704
JournalUnited European Gastroenterology Journal
Volume12
Issue number6
DOIs
Publication statusPublished - Jul 2024

OECD Field of Science

  • 3. Medical and Health Sciences

Keywords

  • adherence
  • adverse effects
  • bismuth
  • dyspepsia
  • effectiveness
  • efficacy
  • first line
  • rate
  • regimens
  • rescue

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