IRCT20181003041218N1 IRCT 2018-12-18 Tehran University of Medical Sciences efficacy of 2013 ACC/AHA guideline in primary prevention of coronary artery disease (CAD) A primary prevention trial of coronary artery disease risk factors modification by using 2013 ACC/AHA guidelines 2014-04-04 anticipated 322 Complete https://irct.ir/trial/34609 interventional Randomization: Not randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Other design features: None, Blinding description: Outcome evaluation, data analyzing and monitoring of the project were all blinded.A concealment code has been asigned to each patients, therefore, medical providers who evaluate the risk factor changes according to physical examination and laboratory tests were blinded about patients group of high risk versus low risk one. Moreover,statisticain who analyzed data and project monitoring person were all blinded about study groups. 2-3 Coronary artery disease. Intervention 1: Intervention group 1 : lifestyle modification according to 2013 ACC/AHA guideline in addition to Atorvastatin 20 mg for individual with RRS>7.5 and Hs-CRP>3. Intervention 2: Intervention group2: lifestyle modification according to 2013 ACC/AHA guideline in order to change risk factors level from base. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is In case of designing a systematic review in which there will be a need for sharing the data , data file might be available.