What this phase means
Phase 4: the treatment is already approved. This study asks new questions — longer-term effects, other diseases, or how it compares in everyday care.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are Tirzepatide. The registry lists allocation as na. The main purpose of this study is to assess the effectiveness of adding tirzepatide to ixekizumab therapy in standard clinical practice in participants with moderate-to-severe plaque PsO and obesity or overweight with at least 1 weight-related comorbidity.
They plan to enroll about 200 people at 38 sites. Taking part typically means taking a study drug (or dummy pill) plus check-ins.
Official title (unrewritten)
A Phase 4, Prospective, Open-Label, Single Arm Study to Assess the Effectiveness of Tirzepatide After Initiation of Ixekizumab in Adult Participants With Moderate-to-Severe Plaque Psoriasis and Obesity or Overweight in Clinical Practice
Interventions: Tirzepatide
Primary outcome (registry wording): Percentage of Participants Achieving Dermatology Life Quality Index (DLQI) (0,1)