Effect of Vitamin D on Ventricular Remodeling in Patients With Acute Myocardial Infarction (VITDAMI)

Inclusion Criteria: * Age ≥ 40 years and maximum 85 years. * Anterior myocardial infarction * Sign informed consent Exclusion Criteria: * Death during the index event * Age younger than 40 or older than 85 years * Previous Infarction * More than 7 days in hospitalization * Systemic inflammatory or autoimmune disease * Concomitant disorders limiting survival * Concomitant cardiomyopathy * Left ventricular hypertrophy \> 16mm in females and \> 17mm in males * eGFR\<45 * LVEF\<30 * Incomplete revascularization * Valvular prosthesis * Aortic stenosis with mean gradient\> 25 mmHg * Moderate or severe valvular regurgitation * Hypersensitivity or intolerance vitamin D supplement o excipient * Blood Calcium \>10.5 mg/dl * Inability to follow. * Difficulty in treatment compliance * Contraindication for MRI, including indication to place a cardiac device * Indication of therapy with vitamin D. Patient desires to take vitamin D. * Drugs or conditions that interfere with the pharmacokinetics of calcifediol