Feasibility of a Cytokine Expression Profile in Immune Cells as an Orientation Tool in Therapeutic Decisions for Auto-inflammatory and Auto-immune Diseases

Inclusion Criteria: * 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 * Patient is at least 18 years old * Subjects included as patients have rheumatoid polyarthritis according to ACR EULA 2010, DAS28\>3.2 criteria * Subjects included as controls are healthy volunteers who have no overexpression of cytokines Exclusion Criteria: * 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 has had at least 3 months of specific treatment that can potentially impact cytokine profile