PPROBLEM TO BE SOLVED: To provide a pharmaceutical composition for promoting axon regrowth and action recovery of an object which is suffered from nerve injury. PSOLUTION: This invention includes administration of a pharmaceutical composition containing a safe and effective quantity of chondroitinase ABC (ChABC), and its usage; dosage is, i.e., from about 0.1 U/ml to about 10 U/ml, preferably from about 0.5 U/ml to about 5 U/ml, more preferably about 1 U/ml, and it is administered once a day or every other day via a catheter at the epidural subarachnoid cavity by introducing the pharmaceutical composition. PCOPYRIGHT: (C)2008,JPO&INPIT
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