mYXpression is an innovative French company positioned in the field of health innovation. The company, specialized in R&D, develops innovative tools to assist in the prescription of biomedicines. Its first tool, the RITI® RA test, provides a personalized report specific to the patient by indicating an efficacy score for each biotherapy. This brand new approach provides numerous useful insights to the doctor by assisting in the prescription of biotherapy in order to increase the patient's chances of remission.