IP Library Granted Patent US 7,276,250
Granted Patent B2
US 7,276,250 · App. 10/189,932 · Granted Oct 2, 2007

Sustained release formulations of oxymorphone

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,276,250
App. No.
10/189,932
Granted
Oct 2, 2007
Kind
B2
Abstract

Sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; methods for making the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; and methods for using the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof to treat patients suffering from pain are provided.

Claims (16)

1. An oral sustained release formulation comprising from about 5 mg to about 80 mg oxymorphone hydrochloride and from about 80 mg to about 360 mg of a granulated sustained release delivery system, wherein the granulated sustained release delivery system comprises from about 8.3% to about 41.7% by weight locust bean gum, from about 8.3% to about 41.7% by weight xanthan gum, from about 20% to about 55% by weight dextrose, from about 5% to about 20% by weight calcium sulfate dihydrate, and from about 2% to about 10% ethyl cellulose.

2. The oral sustained release formulation of claim 1 , comprising about 20 mg oxymorphone hydrochloride.

3. The oral sustained release formulation of claim 1 , comprising about 160 mg of the granulated sustained release delivery system.

4. An oral sustained release formulation comprising from about 5 to about 80 mg oxymorphone hydrochloride and from about 80 mg to about 360 mg of a granulate sustained release delivery system, wherein the granulated sustained release delivery system comprises about 25% locust bean gum, about 25% xanthan gum, about 35% dextrose, about 10% calcium sulfate dihydrate, and about 5% ethyl cellulose.

5. The oral sustained release formulation of claim 1 , further comprising an outer coating.

6. A method for treating a patient suffering from pain comprising administering an effective amount of the oral sustained release formulation of any one of claims 1 - 5 .

7. An oral sustained release formulation comprising from about 5 mg to about 80 mg oxymorphone hydrochloride and from about 300 mg to about 420 mg of a granulated sustained release delivery system, wherein the granulated sustained release delivery system comprises from about 8.3% to about 41.7% by weight locust bean gum, from about 8.3% to about 41.7% by weight xanthan gum, from about 20% to about 55% by weight dextrose, from about 5% to about 20% by weight calcium sulfate dihydrate, and from about 2% to about 10% ethyl cellulose.

8. The oral sustained release formulation of claim 7 , comprising about 20 mg oxymorphone hydrochloride.

9. The oral sustained release formulation of claim 7 , comprising about 360 mg of the granulated sustained release delivery system.

10. The oral sustained release formulation of claim 7 , wherein the granulated sustained release delivery system comprises about 25% locust bean gum, about 25% xanthan gum, about 35% dextrose, about 10% calcium sulfate dihydrate, and about 5% ethyl cellulose.

11. The oral sustained release formulation of claim 7 , further comprising an outer coating.

12. A method for treating a patient suffering from pain comprising administering an effective amount of the oral sustained release formulation of any one of claims 7 - 11 .

13. A solid dosage formulation comprising the oral sustained release formulation of any one of claims 1 - 5 .

14. The solid dosage formulation of claim 13 , wherein the solid dosage formulation is a tablet.

15. A solid dosage formulation comprising the oral sustained release formulation of anyone of claims 7 - 11 .

16. The solid dosage formulation of claim 15 , wherein the solid dosage formulation is a tablet.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Apr 26, 2024
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: ACTIENT PHARMACEUTICALS LLC; ASTORA WOMEN’S HEALTH HOLDINGS, LLC; ASTORA WOMEN’S HEALTH LLC; AUXILIUM PHARMACEUTICALS, LLC; AUXILIUM US HOLDINGS, LLC; BIOSPECIFICS TECHNOLOGIES CORP.; BIOSPECIFICS TECHNOLOGIES LLC; DAVA INTERNATIONAL, LLC; DAVA PHARMACEUTICALS, LLC; ENDO GENERIC HOLDINGS, INC. (FORMERLY KNOWN AS PAR PHARMACEUTICALS COMPANIES, INC.); ENDO PHARMACEUTICALS INC.; ENDO PHARMACEUTICALS SOLUTIONS INC. (FORMERLY KNOWN AS INDEVUS PHARMACEUTICALS, INC.); GENERICS BIDCO I, LLC; GENERICS INTERNATIONAL (US), INC.; PAR PHARMACEUTICAL, INC.; PAR STERILE PRODUCTS, LLC (FORMERLY KNOWN AS JHP PHARMACEUTICALS, LLC); QUARTZ SPECIALTY PHARMACEUTICALS, LLC; SLATE PHARMACEUTICALS, LLC; VINTAGE PHARMACEUTICALS, LLC
Reel/Frame 067240/0001 →
RELEASE OF SECURITY INTEREST Recorded Apr 25, 2024
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: ACTIENT PHARMACEUTICALS LLC; ASTORA WOMEN’S HEALTH LLC; AUXILIUM PHARMACEUTICALS, LLC; AUXILIUM US HOLDINGS, LLC; BIOSPECIFICS TECHNOLOGIES CORP.; BIOSPECIFICS TECHNOLOGIES LLC; DAVA INTERNATIONAL, LLC; DAVA PHARMACEUTICALS, LLC; ENDO PHARMACEUTICALS INC.; ENDO PHARMACEUTICALS SOLUTIONS INC. (FORMERLY KNOWN AS INDEVUS PHARMACEUTICALS, INC.); GENERICS BIDCO I, LLC; GENERICS INTERNATIONAL (US), INC.; PAR PHARMACEUTICAL, INC.; PAR PHARMACEUTICAL COMPANIES, INC.; PAR STERILE PRODUCTS, LLC (FORMERLY KNOWN AS JHP PHARMACEUTICALS, LLC); QUARTZ SPECIALTY PHARMACEUTICALS, LLC; SLATE PHARMACEUTICALS, LLC; VINTAGE PHARMACEUTICALS, LLC
Reel/Frame 067239/0491 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 23, 2024
From: ENDO PHARMACEUTICALS INC.
To: ENDO USA, INC.
Reel/Frame 067203/0398 →