An elongate dosage form of generally cylindrical shape having two opposingends, the dosageform being buoyant in gastric fluid, wherein the dosage form is weight biasedsuch that oneend is heavier than the other end. The dosage form is adapted to float ongastric fluid with itslong axis substantially perpendicular to the surface of the fluid with itsheavier end pointinggenerally downwards and into the fluid.
