THE PRESENT INVENTION RELATES TO THE FORMULATION OF SOLID DOSAGE FORMS COMPRISING A THERAPEUTICALLY EFFECTIVE AMOUNT OF A DIHYDROPYRIDINE CALCIUM CHANNEL ANTAGONIST SUCH AS LERCANIDIPINE OR SALT THEREOF, IN COMBINATION WITH COLLOIDAL SILICON DIOXIDE SUCH AS AEROSIL™ TO ENHANCE BIOAVAILABILITY AND IMPROVE SOLUBILITY, AND A PROCESS FOR THE PREPARATION THEREOF BY WET GRANULATION. THE MOST ILLUSTRATIVE DRAWING IS FIGURE 14