Processes for the preparation of oral dosage formulations of modafinil

摘要

The invention relates to processes for preparing, and pharmaceutical compositions of, modafinil dosage forms for oral administration. The dosage forms include a mixture of coarse and fine particles of modafinil. The process for preparing modafinil oral dosage forms includes forming a dosage form that includes about 7%-25% by weight of modafinil particles having diameters greater than 220 mum and about 75%-93% by weight of modafinil particles having diameters less than 220 mum.