ROLL'YN-UST: Etude Observationnelle de Cohorte Pour la Prise en Charge Des Patients Atteints de Pathologies Inflammatoires Chroniques traités Par Steqeyma®, un Biosimilaire de l'ustékinumab
ROLL'YN-UST is a real-life study, which includes patients in clinical remission for at least 3 months and who have been treated with a reference biotherapy for at least 6 months, and for whom the physician has decided, independently of the study and as part of a shared medical decision, to switch them to STEQEYMA®. The main aim of this study is to the maintenance of clinical remission 12 months after initiation of a biosimilar as well as patient satisfaction 6 and 12 months after initiation of a biosimilar.
• Be an adult (18 years of age or older at the time of inclusion) followed in specialty care and diagnosed with of one of the following conditions: Crohn's disease, Plaque psoriasis
• Treated for at least 6 months prior to inclusion with the reference Ustekinumab for the pathology in question: Crohn's disease, Plaque psoriasis
• Stable for at least 3 months according to the prescribing physician and in clinical remission according to the specific disease activity score.
• For whom the specialist has decided to switch to the biosimilar treatment developed and marketed by Celltrion on the day of inclusion (shared medical decision independent of the study)
• Have an email address.
• Have a mobile phone number.
• Be able to understand and complete questionnaires in French.
• Not opposed to participating in the study.
• Be affiliated to a French Social Security scheme or be a beneficiary of such a scheme.