The present invention relates to the therapeutical combination of an HMG-CoA reductase inhibitor (statin) and a nitrate ester and is useful mainly for the preparation of medicaments for the prevention and treatment of coronary diseases as myocardial infarction and cerebrovascular diseases as stroke. Particularly, as a nitrate ester, a nitrate prodrug of aspirin, salicylic acid or vitamin E is used. Said compositions, compared to single components, have the advantages to be without toxic effects, mainly due to statins, and to be more effective.