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Details for Patent: 5,955,479

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Details for Patent: 5,955,479

Title: Levobupivacaine for managing chronic pain
Abstract:The present invention concerns the use of levobupivacaine for the treatment of chronic pain in a patient. Levobupivacaine used in the subject methods is substantially free of dexbupivacaine. The methods of the invention can be used, for example, to treat pain in patients that are cardiac compromised, suffering from central nervous system damage or cancer.
Inventor(s): Bardsley; Hazel Judith (Cambridge, GB), Mather; Laurence (Sidney, AU)
Assignee: Darwin Discovery Ltd. (GB)
Filing Date:Jul 22, 1996
Application Number:08/628,689
Claims:1. A method for treating chronic pain in a human patient, said method comprising administration of an effective amount of levobupivacaine or a salt thereof, to said patient, wherein said levobupivacaine is substantially free of dexbupivacaine.

2. The method, according to claim 1, wherein the patient has cancer.

3. The method, according to claim 1, wherein the patient is concomitantly treated with an opioid.

4. The method, according to claim 1, wherein the patient is cardiac-compromised.

5. The method, according to claim 1, wherein the pain is of more than 2 days duration.

6. The method, according to claim 5, wherein the duration is at least 30 days.

7. The method, according to claim 5, wherein the duration is at least 60 days.

8. The method, according to claim 1, wherein the levobupivacaine is in at least 90% enantiomeric excess with respect to dexbupivacaine.

9. The method, according to claim 1, wherein said pain is post-operative pain.
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