CONFERENCEPublications in open-access peer reviewed journals:
2023
1. Jonaitis, P., Nyssen, O.P., Saracino, I.M. et al. Comparison of the management of Helicobacter pylori infection between the older and younger European populations. Sci Rep 13, 17235 (2023). https://doi.org/10.1038/s41598-023-43287-4
2. Nyssen, O.P.; Pratesi, P.; Spínola, M.A.; Jonaitis, L.; Pérez-Aísa, Á.; Vaira, D.; Saracino, I.M.; Pavoni, M.; Fiorini, G.; Tepes, B.; et al. Analysis of Clinical Phenotypes through Machine Learning of First-Line H. pylori Treatment in Europe during the Period 2013–2022: Data from the European Registry on H. pylori Management (Hp-EuReg). Antibiotics 2023, 12, 1427. https://doi.org/10.3390/antibiotics12091427
3. García-Morales, N.; Pérez-Aísa, Á.; Fiorini, G.; Tepes, B.; Castro-Fernández, M.; Lucendo, A.; Voynovan, I.; Bujanda, L.; Garre, A.; Rodrigo, L.; et al. Helicobacter pylori Diagnostic Tests Used in Europe: Results of over 34,000 Patients from the European Registry on Helicobacter pylori Management. J. Clin. Med. 2023, 12, 4363. https://doi.org/10.3390/jcm12134363
2024
4. Pabón-Carrasco M, Keco-Huerga A, Castro-Fernández M, Saracino IM, Fiorini G, Vaira D, Pérez-Aísa Á, Tepes B, Jonaitis L, Voynovan I, Lucendo AJ, Lanas Á, Martínez-Domínguez SJ, Almajano EA, Rodrigo L, Vologzanina L, Brglez Jurecic N, Denkovski M, Bujanda L, Abdulkhakov RA, Huguet JM, Fernández-Salazar L, Alcaide N, Velayos B, Silkanovna Sarsenbaeva A, Zaytsev O, Ilchishina T, Barrio J, Bakulin I, Perona M, Alekseenko S, Romano M, Gravina AG, Núñez Ó, Gómez Rodríguez BJ, Ledro-Cano D, Pellicano R, Bogomolov P, Domínguez-Cajal M, Almela P, Gomez-Camarero J, Bordin DS, Gasbarrini A, Kupčinskas J, Cano-Català A, Moreira L, Nyssen OP, Mégraud F, O'Morain C, Gisbert JP; Hp-EuReg Investigators. Role of proton pump inhibitors dosage and duration in Helicobacter pylori eradication treatment: Results from the European Registry on H. pylori management. United European Gastroenterol J. 2024 Feb;12(1):122-138. https://doi.org/10.1002/ueg2.12476
5. Bujanda L, Nyssen OP, Ramos J, Bordin DS, Tepes B, Perez-Aisa A, Pavoni M, Castro-Fernandez M, Lerang F, Leja M, Rodrigo L, Rokkas T, Kupcinskas J, Jonaitis L, Shvets O, Gasbarrini A, Simsek H, Phull PS, Buzás GM, Machado JC, Boltin D, Boyanova L, Tonkić A, Marlicz W, Venerito M, Vologzanina L, Fadieienko GD, Fiorini G, Resina E, Muñoz R, Cano-Català A, Puig I, García-Morales N, Hernández L, Moreira L, Megraud F, Morain CO, Montes M, Gisbert JP; Hp-EuReg investigators; Hp-EuReg investigators. Effectiveness of Helicobacter pylori Treatments According to Antibiotic Resistance. Am J Gastroenterol. 2024 Apr 1;119(4):646-654. https://doi.org/10.14309/ajg.0000000000002600
6. Luzko I, P Nyssen O, Moreira L, Gisbert JP. Safety profile of Helicobacter pylori eradication treatments: literature review and updated data of the European Registry on Helicobacter pylori management (Hp-EuReg). Expert Opin Drug Saf. 2024 May;23(5):553-564. https://doi.org/10.1080/14740338.2024.2338245.
7. Martínez-Domínguez SJ, Nyssen OP, Lanas Á, Alfaro E, Jonaitis L, Mahmudov U, Voynovan I, Gülüstan B, Rodrigo L, Fiorini G, Perez-Aisa Á, Tejedor-Tejada J, Tepes B, Vologzanina L, Mammadov E, Lerang F, Oğlu QFV, Bakulina NV, Abdulkhakov R, Tatiana I, Butler TJ, Sarsenbaeva AS, Bumane R, Lucendo AJ, Romano M, Bujanda L, Abdulkhakov SR, Zaytsev O, Pabón-Carrasco M, Keco-Huerga A, Denkovski M, Huguet JM, Perona M, Núñez Ó, Pavoni M, Fadieienko G, Alekseenko S, Smith SM, Hernández L, Kupcinskas J, Bordin DS, Leja M, Gasbarrini A, Gridnyev O, Cano-Català A, Parra P, Moreira L, Mégraud F, O'Morain C, Gisbert JP; Hp‐EuReg Investigators. Indications of Helicobacter pylori Eradication Treatment and Its Influence on Prescriptions and Effectiveness (Hp-EuReg). Helicobacter. 2024 Jul-Aug;29(4):e13111. doi: 10.1111/hel.13111. Erratum in: Helicobacter. 2024 Jul-Aug;29(4):e13124. https://doi.org/10.1111/hel.13124
8. Huguet JM, Ferrer-Barceló L, Suárez P, Barcelo-Cerda S, Sempere J, Saracino IM, Fiorini G, Vaira D, Pérez-Aísa Á, Jonaitis L, Tepes B, Castro-Fernandez M, Pabón-Carrasco M, Keco-Huerga A, Voynovan I, Lucendo AJ, Lanas Á, Martínez-Domínguez SJ, Alfaro Almajano E, Rodrigo L, Vologzanina L, Bordin DS, Gasbarrini A, Babayeva G, Lerang F, Leja M, Kupčinskas J, Rokkas T, Marcos-Pinto R, Meštrović A, Gridnyev O, Phull PS, Smith SM, Boltin D, Buzás GM, Kral J, Şimşek H, Matysiak-Budnik T, Milivojevic V, Marlicz W, Venerito M, Boyanova L, Doulberis M, Capelle LG, Cano-Català A, Moreira L, Nyssen OP, Mégraud F, O'Morain C, Gisbert JP; Hp‐EuReg Investigators. Role of compliance in Helicobacter pylori eradication treatment: Results of the European Registry on H. pylori management. United European Gastroenterol J. 2024 Jul;12(6):691-704. https://doi.org/10.1002/ueg2.12569
9. Deane C, Kelly O, O’Morain C. Disparities in Gastric Cancer Screening Worldwide. Cancer Screen Prev. 2024;3(3):184-190. https://doi.org/10.14218/CSP.2024.00008
10. Deane C, Kelly O, O'Morain C. Current and Future Perspectives on the Management of Helicobacter pylori: A Narrative Review. Antibiotics (Basel). 2024 Jun 10;13(6):541. https://doi.org/10.3390/antibiotics13060541
11. Leja M. Where are we with gastric cancer screening in Europe in 2024? Gut. 2024 Sep 4:gutjnl-2024-332705. https://doi.org/10.1136/gutjnl-2024-332705
12. Krivinka J, Kunovsky L, Vaclova J, Kral J, Hruba S, Sembera S, et al. First-line Helicobacter pylori empirical treatment in the Czech Republic (2019–2024) – initial insights from the European registry on H. pylori management (Hp-EuReg). Gastroent Hepatol. 2024;78(4):319-327. doi:10.48095/ccgh2024319
13. Babayeva GH, Mahmudov UR, Mammadov EE, Guliyev FV, Verdiyev EKh, Machanov UR, et al. First-line therapy prescriptions in Azerbaijan: results from the European Registry on Helicobacter pylori Management (Hp-EuReg). The Medicine and Science. 2024;1(35). doi:10.61775/2413-3302.v1i35.09
14. Babayeva GH, Mahmudov UR, Mammadov EE, Guliyev FV, Verdiyev EKh, Machanov UR, et al. Effectiveness of first-line empirical treatment in Azerbaijan: results from the European Registry on Helicobacter pylori Management (Hp-EuReg). The Medicine and Science. 2024;2(36). doi:10.61775/2413-3302.v2i36.06
2025
15. Tepes B, Brglez Jurečič N, Denkovski M, Vujasinovič M, Kikec Z, Bednarik J, et al. First-line therapy for Helicobacter pylori in Slovenia: Data from 2013 to 2023 of the European Registry on H. pylori Management. Helicobacter. 2025;30(2):e70029. doi:10.1111/hel.70029
16. Tejedor-Tejada J, Martínez-Domínguez SJ, Hernández L, Cano-Catalá A, Parra P, Moreira L, et al. Management of Helicobacter pylori infection in Spain beyond the data collected in the European Registry on H. pylori Management (Hp-EuReg): Results of a nationwide survey. Helicobacter. 2025;30(2):e70028. doi:10.1111/hel.70028
17. Nyssen OP, Montes N, Pérez-Aísa Á, Martínez-Domínguez SJ, Tejedor-Tejada J, Lucendo AJ, et al. Effectiveness and safety of first-line non-bismuth quadruple concomitant therapy versus single-capsule bismuth quadruple therapy. Aliment Pharmacol Ther. 2025;62(8):809-820. doi:10.1111/apt.70261
18. Higgins K, Nyssen OP, Southern J, Laponogov I, AIDA Consortium, Veselkov D, et al. The Helicobacter pylori AI-clinician harnesses artificial intelligence to personalise H. pylori treatment recommendations. Nat Commun. 2025;16:6472. doi:10.1038/s41467-025-61329-5
19. Tepes B, Brglez Jurečič N, Denkovski M, Vujasinovič M, Kikec Z, Bednarik J, et al. Second- and third-line therapies for Helicobacter pylori eradication in Slovenia: Data from 2013-2023 of the European Registry on H. pylori Management. Helicobacter. 2025;30(5):e70085. doi:10.1111/hel.70085
20. Casas Deza D, Alcedo J, Lafuente M, Lopez FJ, Pérez-Aísa Á, Pavoni M, et al. Probiotics prescribed with Helicobacter pylori eradication therapy in Europe: Usage pattern, effectiveness, and safety. Results from the European Registry on Helicobacter pylori Management (Hp-EuReg). Am J Gastroenterol. 2025;120(11):2644-2659. doi:10.14309/ajg.0000000000003351
21. Smith SM, Nyssen OP, FitzGerald R, Butler TJ, McNamara D, Qasim A, et al. First-line prescriptions and effectiveness of Helicobacter pylori eradication treatment in Ireland over a 10-year period: Data from the European Registry on Helicobacter pylori Management (Hp-EuReg). Antibiotics. 2025;14(7):680. doi:10.3390/antibiotics14070680
22. Doulberis M, Riva D, Linas I, Mosler P, Völler T, Jallouli I, et al. Effectiveness and safety of first-line empirical Helicobacter pylori eradication regimens in Switzerland: An interim analysis from a prospective multicentre registry (Hp-EuReg). Swiss Med Wkly. 2025;155(7):4191. doi:10.57187/s.4191
23. Mülder DT, van de Schootbrugge-Vandermeer HJ, O’Mahony JF, Sun D, Han W, Verhoeven RHA, et al. Gastric cancer risk among immigrants and socioeconomic groups in the Netherlands. Cancer Epidemiol Biomarkers Prev. 2025;34(1):85-92. doi:10.1158/1055-9965.EPI-24-0889
24. Olmedo L, Calvet X, Gené E, Hp-EuReg investigators, et al. Evolution of the use, effectiveness and safety of bismuth-containing quadruple therapy for Helicobacter pylori infection between 2013 and 2021: results from the European registry on H. pylori management (Hp-EuReg). Gut. 2025;74:15-25. doi:10.1136/gutjnl-2024-332804
25. Viegas MI, Areia M, Elvas L, Marcos-Pinto R, Fernandes-Mendes H, Alves S, et al. Effectiveness of first-line empirical treatment in Portugal: data from the European Registry on Helicobacter pylori Management. GE Port J Gastroenterol. 2025;32(5):339-349. doi:10.1159/000543179
26. Milivojevic V, Kekic D, Sagdati S, Nagorni I, Rankovic I, Jankovic K, et al. The implementation of PCR-guided therapy in the eradication of Helicobacter pylori: experience from the European Registry on Helicobacter pylori management (Hp-EuReg). Rev Esp Enferm Dig. 2025. doi:10.17235/reed.2025.11699/2025
2026
27. Alonso-Martínez G, et al. Helicobacter pylori eradication primary care first-line prescriptions: Data from 200,000 patients in a real-world cohort. Helicobacter. 2026;31(2):e70122. doi:10.1111/hel.70122
28. Nyssen OP, Jonaitis L, Pérez-Aísa Á, et al. Real-world effectiveness and safety of Saccharomyces boulardii CNCM I-745 as adjunct therapy for Helicobacter pylori eradication: Data from the European Registry on H. pylori Management (Hp-EuReg). Helicobacter. 2026;31(1):e70119. doi:10.1111/hel.70119
29. Nyssen OP, Ortega GJ, Jonaitis L, Pérez-Aísa Á, Tepes B, Lucendo AJ, et al. Long-term effect of macrolides on Helicobacter pylori eradication: Data from the European Registry on Helicobacter pylori Management (Hp-EuReg). Helicobacter. 2026;31(1):e70107. doi:10.1111/hel.70107
30. Casey O, Deane C, Hegarty C, Costigan C, Semenov S, Nally F, et al. Impact of the “TOGAS” study on gastroscopy key performance indicators in a tertiary referral centre: an interim comparative analysis. Endoscopy. 2026;58(S 03):S915-S916. doi:10.1055/s-0046-1822483
31. Casey OM, Deane C, Hegarty C, Costigan C, Semenov S, Nally F, et al. Impact of guidelines on upper endoscopy quality. Gastroenterology. 2026;170(6 Suppl):S2626. doi:10.1016/S0016-5085(26)06212-8
32. Cantú-Germano E, Moreira L, Pérez-Aisa Á, Martínez-Domínguez SJ, Voynovan I, Bujanda L, et al. Lack of follow-up in Helicobacter pylori eradication treatment: results from the European registry on Helicobacter pylori management. World J Gastroenterol. 2026;32(7):113541. doi:10.3748/wjg.v32.i7.113541
33. Casey O, Dobric M, Kelly O, O’Morain CA. The importance of Helicobacter pylori eradication: a narrative review. Front Gastroenterol. 2026;5:1740221. doi:10.3389/fgstr.2026.1740221
34. Bordin DS, Andreev DN, Abdulkhakov SR, Voynovan IN, Bakulin IG, Bakulina NV, et al. Effectiveness and safety of first-line empirical eradication therapy with rebamipide: results from the European Registry on Helicobacter pylori Management (Hp-EuReg). Antibiotics. 2026;15(6):531. doi:10.3390/antibiotics15060531
35. Groen T, van Loo M, Kapteijn N, Farcas R, van de Veerdonk W, Takens J. Understanding gastric cancer screening in low health literacy groups: insights from Belgium, the Netherlands & Romania. Proc Sci. 2026;524:032. doi:10.22323/1.524.0032
36. Martínez-Domínguez SJ, Lanas Á, Ceamanos E, Voynovan I, Jonaitis L, Vologzhanina L, et al. Higher doses of bismuth and antibiotics do not improve Helicobacter pylori treatment effectiveness: results from the European Registry on Helicobacter pylori Management. Clin Gastroenterol Hepatol. 2026 Apr 2:S1542-3565(26)00240-5. doi:10.1016/j.cgh.2026.03.029