Having reached peace with Jazz Pharmaceuticals plc over litigation related to its U.S. FDA-approved drug, Lumryz (sodium oxybate), Avadel Pharmaceuticals plc agreed to a cash takeover by Alkermes plc valued at about $2.1 billion, a deal Alkermes CEO Richard Pops said “puts us in the sleep market immediately on closing,” which is expected in the first quarter of 2026. All three players are based in Dublin.