DOSAGE FORMS COMPRISING POLYMERS COMPRISING DIFFERENT MOLECULAR WEIGHTS

摘要

A dosage form (10)is disclosed comprising a wall (12) surrounding a compartment (IS), which comprises a first composi- tion (16) comprising a carboxymethylcellulose (17) and a second composition (20) comprising a higher molecular weight carbox- ymethylcellulose (21).The first composition comprises a dosage amount of dru g (16) that delivers from the dosage form (10) at a controlled rate over time.