PPD™ CorEvitas™ Psoriasis (PSO) Rapid Response Non-Interventional Study

Inclusion Criteria: The inclusion criteria for this study will be as follows: 1. Patient is at least 18 years of age at the time of study enrollment 2. Patient has a diagnosis of moderate to severe plaque psoriasis based on an Investigator Global Assessment (IGA, part of routine care) score of 3 or 4 at the time of Enrollment. 3. Patient is initiating new Eligible Medication for the first time for the treatment of PSO. 4. Patient is willing and able to provide informed consent to participate in this study. 5. Patient is willing to be seen in-person by their treating dermatology provider at two (2), four (4), and sixteen (16) weeks following initiation of the advanced therapy. Exclusion Criteria: An individual who meets any of the following criteria will be excluded from participation in the study: 1. Patient is participating in a blinded clinical trial. 2. Patients that do not receive at least 1 dose of the advanced therapy within 14 days following the Enrollment/Baseline visit for the study. 3. Patients cannot be concurrently enrolled in both the CorEvitas PSO Registry and the CorEvitas Psoriasis (PSO) Rapid Response Non-Interventional Study. A. Patients currently enrolled in the CorEvitas PSO Registry are ineligible for participation in the CorEvitas Psoriasis (PSO) Rapid Response Non-Interventional Study. B. Patients otherwise meeting eligibility criteria can be enrolled in the CorEvitas Psoriasis (PSO) Rapid Response Non-Interventional Study C. Following completion or at time of Exit from the CorEvitas Psoriasis (PSO) Rapid Response Non Interventional Study, patients will be eligible to enroll into the CorEvitas PSO Registry for long term follow up at the standard of care cadence supported by the registry. A separate Informed consent will be obtained.