The present invention provides methods and compositions for inhibiting atherosclerotic plaque formation in a subject. In certain embodiments, the methods of the present invention comprise selecting a subject who has, or is at risk of developing, atherosclerosis, and administering to the subject a pharmaceutical composition comprising a proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor. In certain embodiments, the PCSK9 inhibitor is an anti-PCSK9 antibody, or antigen binding protein.
