| abstract |
A 1,2-ethanediol derivative represented by the general formula [I] or its salt: has a NGF activity-potentiating effect and is useful as a remedy for various diseases caused by degeneration of central nervous system or peripheral nervous system such as senile dementia of Alzheimer type, Huntington's chorea, various neuropathies, Riley-Day syndrome, traumatic nerve injury, amyotrophic lateral sclerosis (ALS) and the like. |