What this phase means
Phase 3: this treatment already looked useful in smaller studies. Now it is tested in a large group, often against standard care or a dummy treatment, to see if it should be approved.
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 Deucravacitinib, or Ustekinumab. The registry lists allocation as randomized. A study to measure the long-term safety of Deucravacitinib versus Ustekinumab in participants with psoriasis
They plan to enroll about 3,040 people at 411 sites. Taking part typically means taking a study drug (or dummy pill) plus check-ins.
Official title (unrewritten)
A Phase 3b/4 Multi-center, Randomized, Open-label, Long-term Safety Study of Deucravacitinib in Comparison to Ustekinumab in Participants With Moderate-to-Severe Plaque Psoriasis
Interventions: Deucravacitinib, Ustekinumab
Primary outcome (registry wording): Composite cardiovascular adjudicated 3-point major adverse cardiovascular event (MACE) plus coronary revascularization