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Details for Patent: 7,303,764

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Details for Patent: 7,303,764

Title:2-methyl-thieno-benzodiazepine formulation
Abstract: The invention provides a pharmaceutically acceptable oleaginous or cholesterol microsphere formulation of olanzapine or olanzapine pamoate or solvates thereof. The invention further provides novel olanzapine pamoate salts or solvates thereof.
Inventor(s): Allen; Douglas J. (Indianapolis, IN), Dekemper; Kurt D. (Franklin, IN), Ferguson; Thomas H. (Greenfield, IN), Garvin; Stuart J. (Plainfield, IN), Murray; Linda C. (Noblesville, IN), Brooks; Norman D. (Greenfield, IN), Bunnell; Charles A. (Lafayette, IN), Mascarenhas; Snehlata S. (Indianapolis, IN), Shinkle; Sharon L. (Indianapolis, IN), Hendriksen; Barry A. (Guildford, GB), Tupper; David E. (Reading, GB), Sanchez-Felix; Manuel V. (Grayshott, GB)
Assignee: Eli Lilly and Company (Indianapolis, IN)
Filing Date:Jul 03, 2003
Application Number:10/613,619
Claims:1. A formulation comprising olanzapine pamoate monohydrate as an active ingredient and one or more carriers selected from the group consisting of an oleaginous carrier and cholesterol microsphere carrier wherein said formulation has a prolonged sustained release of greater than 7 days and up to 30 days, and a burst release of less than 15% of the active ingredient.

2. A formulation as claimed in claim 1 wherein said carrier is oleagenous.

3. A formulation as claimed by claim 1 wherein the formulation further comprises one or more pharmaceutically acceptable excipients.

4. A formulation as claimed by claim 3 wherein the pharmaceutically acceptable excipient is selected from the group consisting of a gelling agent and an antihydration agent.

5. A formulation as claimed in claim 1 wherein the carrier is a cholesterol microparticle.

6. A formulation as claimed in claim 5 wherein the microparticle is a microsphere.

7. A formulation as claimed in claim 5 wherein the cholesterol is selected from the group consisting of cholesterol, cholesterol palmitate, cholesterol oleate, cholesterol stearate, and cholesterol hemisuccinate.

8. A formulation as claimed in claim 5 wherein the microspheres have a particle size of from 20 to 500 .mu.m.

9. A formulation as claimed in claim 8 wherein the particle size is from 30 to 200 .mu.m.

10. A formulation as claimed in claim 6 wherein the particle size is from 40 to 100 .mu.m.

11. A formulation as claimed in claim 5 wherein the microspheres are administered in an oleaginous carrier.

12. A formulation as claimed in claim 1 wherein the active ingredient is milled.

13. A formulation comprising olanzapine pamoate monohydrate as an active ingredient, and one or more carriers.

14. A formulation as claimed in claim 13 wherein the olanzapine pamoate monohydrate has a particle size of from about 20 to about 60 .mu.m.

15. A formulation as claimed in claim 13 wherein the olanzapine pamoate monohydrate has a particle size of from about 5 to about 20 .mu.m.

16. A formulation as claimed in 13 wherein said formulation has a prolonged sustained release of greater than 7 days and up to 30 days, and a burst release of less than 15% of the active ingredient.
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