Inclusion Criteria:
Additional screening criteria check may apply for qualification:
- Healthy adult male volunteers
- Japanese or Caucasian
- Subjects aged between 20 and 45 years at the time of informed consent
- Subjects who have thoroughly understood the contents of the study and voluntarily provided written informed consent to participate in the study
Exclusion Criteria:
Additional screening criteria check may apply for qualification:
- Subjects with a current or previous history of cardiac, hepatic, renal, gastrointestinal, respiratory, psychiatric/nervous, hematopoietic, or endocrine diseases, and those whom the investigator (or subinvestigator) deems unsuitable for the study
- Body mass index (BMI) of <18.0 or >30.0, or body weight of <50 kg (BMI formula: body weight [kg]/height [m]2, rounded to one decimal place)
- Subjects who have undergone any surgery known to affect the gastrointestinal absorption of drugs
- Subjects who do not agree to use an effective method of contraception from initiation of study drug administration to 14 days after completion (discontinuation) of study drug administration
- Subjects who have previously received edaravone
- Subjects who have participated in another clinical study and received a study drug within 12 weeks before providing informed consent