Tandospiaine antidepressive therapy
First Claim
Patent Images
1. An osmotic dosage form for administering tandospirone to a patient in need of tandospirone therapy, wherein the dosage form comprises:
- (a) a wall comprising a member selected from the group consisting of cellulose acetate, cellulose diacetate, and cellulose triacetate, which wall forms;
(b) an internal compartment;
(c) at least one exit passageway in the wall that connects the exterior of the dosage form with the compartment;
(d) a push composition in the compartment comprising a composition that, in the presence of fluid that enters the compartment, increases in dimensions and thereby occupies space in the compartment; and
wherein the osmotic dosage form is characterized by;
(e) a tandospirone composition comprising 1 mg to 750 mg of tandospirone and a polyethylene oxide polymer comprising a 190,000 to 210,000 molecular weight pressed into a layer that provides a dispensable tandospirone composition for administering, when the dosage form is in operation, to the patient in need of tandospirone therapy at a controlled rate over a period up to thirty hours.
2 Assignments
0 Petitions
Accused Products
Abstract
A dosage form is provided for administering a drug of the formula ##STR1## to a patient to produce an anxiolytic benefit in the patient.
-
Citations
6 Claims
-
1. An osmotic dosage form for administering tandospirone to a patient in need of tandospirone therapy, wherein the dosage form comprises:
-
(a) a wall comprising a member selected from the group consisting of cellulose acetate, cellulose diacetate, and cellulose triacetate, which wall forms; (b) an internal compartment; (c) at least one exit passageway in the wall that connects the exterior of the dosage form with the compartment; (d) a push composition in the compartment comprising a composition that, in the presence of fluid that enters the compartment, increases in dimensions and thereby occupies space in the compartment; and
wherein the osmotic dosage form is characterized by;(e) a tandospirone composition comprising 1 mg to 750 mg of tandospirone and a polyethylene oxide polymer comprising a 190,000 to 210,000 molecular weight pressed into a layer that provides a dispensable tandospirone composition for administering, when the dosage form is in operation, to the patient in need of tandospirone therapy at a controlled rate over a period up to thirty hours. - View Dependent Claims (2, 3, 4, 5, 6)
-
Specification