Clinical Research Directory

INCLUSION CRITERIA 1. Patients must meet all of the following inclusion criteria to be included in the study: * Major patient * Protected adult patient (guardianship or curatorship) 2. Prospective Cohort: Patients referred or who have been referred to the participating centre for suspected amyloidosis. Patient who signed the patient information "Prospective Cohort" note 3. Retro-prospective Cohort: Patient already followed in the center with a confirmed diagnosis of amyloidosis Patient who signed the "retro-prospective cohort" patient information note 4. Retrospective cohort: Deceased patients followed in the center with a confirmed diagnosis of amyloidosis Study participants will not be compensated for their participation EXCLUSION CRITERIA The patient has expressed his/her refusal to participate Participation in another study, even an interventional one, is not a criterion for non-inclusion.