An Efficacy and Safety of Guselkumab in Participants With Palmoplantar Pustulosis

Participants will receive two or one syringe of guselkumab 100 mg subcutaneously at Week 0, 4, 12 and every 8 weeks thereafter through Week 60 in group 1 or 2. Group 3a or 3b participants will receive two or one syringe of guselkumab 100 mg at Week 16, 20 and every 8 weeks thereafter through Week 60.

Participants in group 1 will receive placebo at Week 16. Participants in group 2 will receive placebo at Week 0, 4, 12, 16, 20 and every 8 weeks thereafter through Week 60. Participants in group 3 will receive placebo at Week 0, 4, 12, then at Week 16, 20 and every 8 weeks thereafter through Week 60 for group 3b.