West Dundee

Researchers are evaluating the effectiveness, safety, and tolerability of two different doses of remibrutinib compared to a placebo in adults and adolescents with moderate to severe hidradenitis suppurativa (HS). This phase 3 study aims to determine how well remibrutinib works in treating this chronic skin condition characterized by painful abscesses and inflammatory nodules. The study lasts a total of 76 weeks and includes several phases: up to 4 weeks for screening, followed by a 16-week double-blind treatment period where participants receive either remibrutinib Dose A, Dose B, or a matching placebo. After this, there is a 52-week treatment period where all participants receive remibrutinib (Dose A or Dose B). Finally, a 4-week safety follow-up period occurs without treatment. Participants who stop treatment early are encouraged to stay in the study and complete the safety follow-up. During the study, participants will be regularly assessed for clinical response to treatment, focusing on the proportion achieving a 50% improvement in HS symptoms by week 16. Researchers will monitor safety and tolerability throughout the study, including during the follow-up period. Various evaluations such as physical exams and clinical assessments will be conducted to measure treatment effects and ensure participant safety over the entire 76-week duration.

This research focuses on participants with Hidradenitis Suppurativa (HS) who have previously taken part in specific Incyte-sponsored clinical trials of povorcitinib. The study is a Phase 3b rollover trial designed to continue monitoring these individuals to gather further information on the treatment. It aims to evaluate the safety of povorcitinib over an extended period, including the proportion of participants experiencing treatment-emergent adverse events for up to about three years. Participants will continue taking the study drug povorcitinib orally as specified by the study protocol. This rollover study includes individuals who completed the treatment period in the parent studies without safety or tolerability issues and who showed clinical benefit from povorcitinib. During this study, participants will follow the protocol-defined dosing and procedures while avoiding pregnancy or fathering children as required. Throughout the study, participants will attend scheduled visits and assessments to monitor their health and treatment effects. Researchers will track adverse events and adherence to the treatment plan. The study involves ongoing evaluation for up to approximately three years to ensure safety and collect important long-term data on povorcitinib use in this group of patients with HS.