SULFONAMIDE DERIVATIVES AND REMEDIES FOR ALLODYNIA

摘要

Remedies and/or preventives for allodynia which contain as the active ingredient sulfonamide derivatives represented by general formula (W), esters thereof, nontoxic salts thereof or cyclodextrin chlathrate compounds thereof; and novel sulfonamide derivatives: The compounds represented by formula (W) are useful in treating and/or preventing allodynia caused by peripheral nerve injury (causalgia, reflex sympathetic dystrophy, etc.) allodynia caused by central nerve injury (phantom limb pain, post-herpes zoster neuralgia (post-herpes pain), thalamic pain, post-spinal cord injury pain, etc.), and allodynia caused by diabetic nerve injury or nerve infiltrating cancer.