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US 7,608,636 B2Granted
Medicines for treatment and prevention of neurogenic pain
AssigneeHamilton Pharmaceuticals, Inc.
InventorsHiroshi Ueda, Munehiro Tomikawa
Life of this patent
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AssigneeHamilton Pharmaceuticals, Inc.
InventorsHiroshi Ueda, Munehiro Tomikawa
Estimating the term…
A medicament for therapeutic and/or prophylactic treatment of neuropathic pain, which comprises a compound represented by the general formula (I) or a pharmaceutically acceptable salt thereof as an active ingredient: wherein R1 represents a hydrogen atom or a hydroxyl group; R2 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; R3 represents a phenyl group which may have 1 to 3 atoms or substituents selected from the group consisting of a halogen atom, a hydroxyl group, an alkyl group having 1 to 3 carbon atoms, and an alkoxyl group having 1 to 3 carbon atoms, or represents —NH—R4 wherein R4 represents a phenyl group which may have 1 to 3 atoms or substituents selected from the group consisting of a halogen atom, a hydroxyl group, an alkyl group having 1 to 3 carbon atoms, and an alkoxyl group having 1 to 3 carbon atoms or hydrogen atom, and n represents 0 or 1.
A method for treating neuropathic pain, consisting essentially of administering to a mammal suffering from neuropathic pain a therapeutically effective amount of nefiracetam, or a pharmaceutically acceptable salt thereof, wherein the neuropathic pain is neuropathic pain of cancer pain, post-thoracotomic pain, diabetic neuropathy, CRPS, multiple sclerosis, AIDS, trigeminal neuralgia, paraplegic pain caused by myelopathy, anesthesia dolorosa, or phantom limb pain.
Dependencies are inferred from the claim text.