The U.S. Food and Drug Administration approved Zurampic (lesinurad) to treat high levels of uric acid in the blood (hyperuricemia) associated with gout, when used in combination with a xanthine oxidase inhibitor (XOI), a type of drug approved to reduce the production of uric acid in the body. Zurampic is manufactured by AstraZeneca Pharmaceuticals LP, based in Wilmington, Delaware.