Kiniksa Pharmaceuticals Announces U.S. Orphan Drug Designation for KPL-387 for the Treatment of Pericarditis

LONDON, Oct. 17, 2025 (GLOBE NEWSWIRE) -- Kiniksa Pharmaceuticals International, plc (Nasdaq: KNSA) (Kiniksa), a biopharmaceutical company developing and commercializing novel therapies for diseases with unmet need, with a focus on cardiovascular indications, today announced that the U.S. Food and Drug Administration (FDA) granted Orphan Drug Designation to KPL-387 for the treatment of pericarditis, which includes recurrent pericarditis. KPL-387 is an independently developed monoclonal antibody that binds human interleukin-1 receptor 1 (IL-1R1), inhibiting the signaling activity of the cytokines interleukin-1α (IL-1α) and interleukin-1β (IL-1β).

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