Use of reboxetine for the treatment of pain

A technology for inflammatory pain and cancer pain, applied in the application field of reboxetine in the treatment of pain

Inactive Publication Date: 2008-06-25
PFIZER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Reboxetine doesn't work like most antidepressants

Method used

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  • Use of reboxetine for the treatment of pain
  • Use of reboxetine for the treatment of pain
  • Use of reboxetine for the treatment of pain

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0152] The following study was performed to evaluate the effect of (S,S)-reboxetine in the treatment of postherpetic neuralgia (PHN) patients unresponsive to gabapentin (GBP) treatment.

[0153] Study Population: Male or female patients aged 18 years or older who still have pain more than 3 months after the shingles rash has healed and who are also refractory to GBP treatment. There is no upper limit on the duration of PHN. GBP futility is defined as follows: Patients who show little or no improvement in Patient Global Impression of Change (PGIC) after a 2-week period of treatment with GBP (1800 mg / day) dosing, or who cannot tolerate less than or equal to 1800 mg / day Patients with GBP dosage.

[0154] Study Design: A randomized, double-blind, placebo-controlled, two-treatment (placebo and active drug) age-split study in PHN patients aged 18 years or older. The study consisted of 3 phases: (i) 7 weeks of screening, including 4 weeks of GBP treatment, (ii) 5 weeks of randomize...

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PUM

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Abstract

Use of (S,S)- or racemic reboxetine or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for the treatment of a pain condition selected from neuropathic pain, nociceptive pain, cancer pain, back pain, inflammatory pain, musculo-skeletal disorders, visceral pain, pain from strains / sprains, post-operative pain, posttraumatic pain, burns, renal colic, acute pain, central nervous system trauma, head pain, and orofacial pain, is disclosed. Use of (S,S)-reboxetine or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for the treatment of pain in a patient refractory to an alpha-2-delta ligand, and use of (S,S)- or racemic reboxetine or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for use as a mental performance or mood enhancer, are also disclosed.

Description

technical field [0001] The present invention relates to some novel uses of (S,S)- or racemic reboxetine for pain. Background technique [0002] US Patent 4,229,449 discloses the compound (RR,SS)-2-[α-(2-ethoxyphenoxy)benzyl]morpholine and pharmaceutically acceptable salts thereof, which have useful antidepressant effects. This compound is also known as racemic reboxetine. [0003] Many organic compounds exist in optically active forms, ie, they have the ability to rotate the plane of plane-polarized light. In describing optically active compounds, the prefixes R and S are used to denote the absolute configuration of the chiral center of the molecule. With respect to a particular chemical structure, each of a pair of enantiomers is identical except that they are a non-superimposable mirror image of the other. Specific stereoisomers may also be referred to as enantiomers, and a 1:1 mixture of these isomers is also often referred to as an enantiomeric or racemic mixture. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K31/5375A61P25/02
Inventor B・休斯I・麦肯齐M・J・斯托克
Owner PFIZER INC
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