Kiniksa Pharmaceuticals International, plc

Kiniksa Pharmaceuticals develops medicines to treat inflammatory heart conditions. The company sells ARCALYST, a drug approved to treat recurrent pericarditis, which is a condition where the membrane around the heart becomes inflamed. Kiniksa is also testing other candidate drugs in clinical trials, which is the formal testing process required before a medicine can be sold to patients. The company operates in the United States, the United Kingdom, and other countries.