Lerochol is part of the PCSK9 Inhibitors class and treats High Cholesterol. PCSK9 Inhibitors may be used to treat high cholesterol. They also may be used to lower the risk of heart attack and stroke in people with coronary artery disease. These medications work by blocking the PCSK9 protein, which helps the liver get rid of cholesterol from the blood. Lerochol is only available as a brand name drug.