Helicobacter pylori infection: is there circulating vacuolating cytotoxin A or cytotoxin-associated gene A protein?

"Declarations Ethics approval and consent to participateThe Ethical Review Committee from Doshinkai Tohyama Hospital (date of approval: November 14, 2016) and the Ethics Committee of Clinical Investigation of the Graduate School of Medicine and Mie University Hospital (Approval number: U2022-027; approval date: 2022.10.13) approved this investigation's protocol. All participants have given written informed consent, and the clinical study followed the principles of Helsinki's Declaration. Consent for publicationNot applicable. Competing interestsNone of the authors declared any competing interest regarding the data reported in this manuscript. Competing interests None of the authors declared any competing interest regarding the data reported in this manuscript."

"Funding This study received no grant."