Patients with Moderate to Severe Plaque Psoriasis Registry

Eligibility Details: Inclusion Criteria: 1. - Patients able to give written informed consent 2. - Patients at least 18 years of age at time of informed consent signature 3. - Confirmed diagnosis of chronic moderate to severe chronic plaque-type psoriasis diagnosed by a specialist and presence of moderate to severe psoriasis symptoms according to physician's clinical judgment at the time of recruitment. 4. - Patients initiating a treatment for psoriasis as per regional policy. This will include secukinumab, other biologics, systemic treatments, and phototherapy. Decision to treat with any of the above-mentioned treatments must have been reached prior to and independently of recruitment in the study. 5. - Treatments prescribed in accordance to the product monograph and regional regulatory and reimbursement policies 6. - Patients able to understand and communicate with the investigator and comply with the requirements of the study. Exclusion Criteria: 1. - Unwillingness or inability to comply with the study requirements 2. - Participation in a clinical trial of an investigational drug, concurrently or within the last 30 days.