Although an exacerbation of MG has been reported in sero-negative MG patients after ezetimibe [112], no other reports of MG worsening following PCSK9 inhibitors (alirocumab and evolocumab) or other lipid-lowering drugs such as niacin or bile acid sequestrants have been published to date [103]. Here, PCSK9 is linked to myasthenia gravis.