A Phase 2/3 Efficacy and Safety Study of KPL-387 Treatment in Participants With Recurrent Pericarditis

This clinical trial is comprised of 3 separate study parts: Phase 2, Phase 3, and Long-Term Extension. The primary objective of Phase 2 is to evaluate how well different dose regimens of KPL-387 control the pain and inflammation of pericarditis in a group of participants experiencing an acute episode of recurrent pericarditis. This part of the study will confirm the KPL-387 dose regimen to be further tested in Phase 3 and the Long-Term Extension. The primary objective of Phase 3 is to confirm the efficacy of KPL-387 for the treatment of recurrent pericarditis and reduction in risk of recurrenc…