THE PRESENT INVENTION RELATES TO PHARMACEUTICAL COMPOSITIONS FOR SUSTAINED RELEASE COMPRISING AS ACTIVE INGEREDIENT AN HMG-CoA REDUCTASE INHIBITOR OR A PHARMACEUTICALLY ACCEPTABLE SALT TEHREOF, SAID COMPOSITION COMPRISING A CORE CONSISTING OF AN INNER PHASE (INTERNAL) AND AN OUTER PHASE (EXTERNAL) WHEREIN THE OUTER PHASE DOES NOT COMPRISE A MATRIX FORMER AND WHEREIN THE CORE IS FIRST COATED WITH A NON FUNCTIONAL FILM COAT AND THEN WITH AN ENTERIC COAT.