Expanded Controlled Study of Safety and Efficacy of MCI-186 in Patients With Amyotrophic Lateral Sclerosis (ALS)

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

Two ampoules of placebo injection are intravenously administered once a day for 10 days during 14 days, followed by 14 days observation period (first cycle). Then treatment (10 days' administration during 14 days) - observation (14 days) cycle is repeated eight times.