Study of ONO-2506 in Patients With Acute Ischemic Stroke

Inclusion Criteria: 1. Subjects who have a clinical diagnosis of acute ischemic stroke 2. Subjects within 72 hours after onset of the stroke 3. Other inclusion criteria may apply. Exclusion Criteria: 1. Subjects who are scheduled to have surgical operations likely to affect the prognosis (including intravascular surgery and circulatory reconstruction) 2. Subjects who are pregnant or lactating, or who have child-bearing potential, or who wish to become pregnant. 3. Other exclusion criteria may apply.