Omnipod-5 A French Prospective Multicentric Study in Real World (Optimal-B)

Inclusion Criteria: * Patient with T1D aged ≥ 2 years. * Patient prescribed, less than a year ago, a commercially available confi guration of the Omnipod 5 System using a FreeStyle Libre 2 Plus sensor. * Patient has never used the Omnipod 5 System prior to inclusion. * Patient has not objected to the use of their personal data for this study. * Patient or legal guardian has an email address and mobile phone number. * Patient (and legal guardians if the patient is a minor) is able to understand study information and Non-Opposition form. * Patient (and legal guardians if the patient is a minor) is able to understand and complete questionnaires in French. * Patient is covered by the local social security system Exclusion Criteria: * Patient is currently pregnant. * Patient presents an allergy to the materials of the Omnipod 5 System (patch, cannula, CGM). * Patient is unable to be followed by the same investigation site for the duration of the study or is unwilling or unable to maintain contact with the healthcare professional. * Patient is already participating in a clinical trial or in another study precluding their participation in other studies. * Adult under guardianship, curatorship or tutorship. * Adult otherwise deprived of liberty.