Patent ID: 8729085

Claim:
An oral preparation which comprises N-[4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]-(2R,3R)-2,3-tetramethylene-butyl]-(1′R,2′S,3′R,4′S)-2,3-bicyclo[2,2,1]heptanedicarboxylmide hydrochloride (lurasidone) of the formula (1): a pregelatinized starch, a water-soluble excipient and a water-soluble polymer binder; wherein a content of lurasidone in the preparation is 20 to 45% (wt/wt), and the pregelatinized starch is incorporated in an amount of 20 to 50% (wt/wt) based on the weight of the preparation.