The purpose of this study is to evaluate the efficacy of guselkumab treatment versus placebo in skin of color participants with predominant moderate-to-severe body psoriasis or predominant moderate-to-severe scalp psoriasis by assessing improvements in the signs and symptoms of psoriasis.
A Phase 3b, Multicenter, Randomized, Double-blind, Placebo-controlled Study Evaluating the Safety and Efficacy of Guselkumab for the Treatment of Participants With Skin of Color Who Have Moderate-to-Severe Plaque Psoriasis and/or Moderate-to-Severe Scalp Psoriasis