Efficacy and Safety Study of MCI-186 for Treatment of Amyotrophic Lateral Sclerosis (ALS) Who Met Severity Classification III

Two ampoules (60 mg) of MCI-186 injection are intravenously administered once a day, for successive 14 days, followed by 14 days observation period (first cycle). Then treatment (10 days' administration during 14 days) - observation (14 days) cycle is repeated five times (2nd-6th cycles).

Two ampoules of Placebo injection are intravenously administered once a day, for successive 14 days, followed by 14 days observation period (first cycle). Then treatment (10 days' administration during 14 days) - observation (14 days) cycle is repeated five times (2nd-6th cycles).