Pharmaceutical composition comprising entacapone or nitecapone as well as a cross-linked cellulose deivative

The invention relates to a comprising graciousness of the friend and cleaning is a friend or a pharmaceutically-acceptable salt and crosslinking cellulose derivative oral and composition. The discovery of the composition which is, the crosslinking cellulose derivative capable of increasing the oral and composition graciousness of the friend or the cleaning for releasing rate of the friend. The crosslinking cellulose derivative's content of the composition is suitable at least is 6 weights %, a restraint 8% to 16 restraint weights %, specifically a restraint 10% to 14 restraint weights %.