The purpose of this study is to develop a French language version of the Compliance-Questionnaire-Rheumatology for use in French and Francophone rheumatology services
The patient must have given their free and informed consent and signed the consent form
The patient must be a member or beneficiary of a health insurance plan
The patient is at least 18 years old
The patient has rheumatoid polyarthritis as defined by the ACR-EULAR 2010 criteria, treated orally or subcutaneously with MTX for at least 3 months with a stable (unchanged) dosage for at least 1 month, and a stable (unchanged) route of administration for at least 1 month. And no planned change in Methotrexate intake at least until the second study visit. Other treatments at the same time are authorized
The subject is participating in an interventional study, or is in a period of exclusion determined by a previous study
The subject refuses to sign the consent
It is impossible to give the subject informed information
The patient is under safeguard of justice or state guardianship