IP Library Granted Patent US 7,776,858
Granted Patent B2
US 7,776,858 · App. 11/099,078 · Granted Aug 17, 2010

Methods of treatment of chronic pain using eszopiclone

Assignee: Sepracor Inc.
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Quick Facts
Patent No.
US 7,776,858
App. No.
11/099,078
Granted
Aug 17, 2010
Kind
B2
Abstract

The invention relates to the use of eszopiclone for the treatment of low-level, chronic pain and fatigue associated with pain.

Claims (4)

1. A method of treating pain in a patient suffering from pain associated with rheumatoid arthritis, the method comprising administering to the patient a therapeutically effective amount of eszopiclone having an enantiomeric excess greater than ninety percent.

2. A method according to claim 1 , wherein the therapeutically effective amount of eszopiclone is administered parenterally, transdermally, orally or by inhalation.

3. A method according to any of claim 1 , wherein the therapeutically effective amount of eszopiclone is administered in an amount of 0.5 mg to 15 mg per day.

4. A method according to claim 3 , wherein the therapeutically effective amount of eszopiclone is administered in an amount chosen from 0.5 mg, 1.0 mg, 2.0 mg, and 3.0 mg per dosage.

Assignments (4)
SECURITY INTEREST Recorded Jan 6, 2023
From: WOODWARD SPECIALTY LLC
To: ALTER DOMUS (US) LLC
Reel/Frame 062301/0927 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2022
From: SUNOVION PHARMACEUTICALS INC.
To: WOODWARD SPECIALTY LLC
Reel/Frame 062068/0177 →
CHANGE OF NAME Recorded Jan 26, 2011
From: SEPRACOR INC.
To: SUNOVION PHARMACEUTICALS INC.
Reel/Frame 025699/0042 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 26, 2005
From: WESSEL, THOMAS; CARON, JUDY
To: SEPRACOR INC.
Reel/Frame 016279/0015 →
Continuity (2)
Provisional Application 6055959000 · Apr 5, 2004
Related Publication 20050222156A1 · Oct 6, 2005