Patent ID: 11911514
Assignee: WHAN IN PHARMACEUTICAL COMPANY
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. A pharmaceutical composition comprising lacosamide or a salt thereof as an active ingredient,
the composition comprising an immediate release layer and an extended release layer,
wherein the extended release layer comprises cellulose derivative and wax or wax-like lipid in a weight ratio of 1:0.1 to 1:10,
wherein the pharmaceutical composition is administered orally once a day;
wherein the pharmaceutical composition is of a two-layered tablet dosage form;
wherein the cellulose derivative is at least one selected from the group consisting of hydroxypropyl cellulose, hydroxypropyl methylcellulose, ethylcellulose, methylcellulose and hydroxyethyl cellulose;
wherein the wax or wax-like lipid is at least one selected from the group consisting of glyceryl behenate, glyceryl palmitostearate and glyceryl stearate; and
wherein the active ingredient in the immediate release layer and the active ingredient in the extended release layer are in a weight ratio of 1:1 to 1:7.