Overview A Proof of Concept Study to Evaluate the Effectiveness of Ustekinumab in Hidradenitis Suppurativa Status: Completed Trial end date: 2014-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether ustekinumab is effective in the treatment of moderate to severe hidradenitis suppurativa. Phase: Phase 2 Details Lead Sponsor: University Medical Center GroningenCollaborator: Janssen-Cilag B.V.Treatments: Ustekinumab