Performance of a non-invasive test for the detection of Helicobacter pylori and its resistance to clarithromycin in stool by Real-Time PCR Amplidiag H. pylori + ClariR (Mobidiag).

Inclusion Criteria:

• Age ≥ 18 years
• indication of endoscopy with biopsies for H. pylori infection
• Free subject, without tutorship or curatorship or subordination
• Patients benefiting from a social security scheme or benefiting through a third party
• Consent informed and signed by the patient after clear and fair information about the study

Exclusion Criteria:

• Age <18 years
• Contraindications to fibroscopy (suspicion of oesophageal perforation)
• Antibiotic intake less than 4 weeks old
• Diarrheal patients during sampling
• Patients who do not benefit from a social security scheme or who do not benefit from it through a third party
• Persons enjoying enhanced protection, namely minors, pregnant women, breastfeeding, persons deprived of their liberty by a judicial or administrative decision, persons staying in a health or social institution, adults under legal protection, and finally patients in emergency situation.
• Pregnant or lactating women, women of childbearing potential who do not have effective contraception (hormonal / mechanical: oral, injectable, transcutaneous, implantable, intrauterine device, or surgical: tubal ligation, hysterectomy, total oophorectomy )