Effects of Iron Supplements on the Pharmacokinetics of MT-6548

Inclusion Criteria: * Parents and each grandparent of subjects are Japanese * Subjects judged as appropriate for this study by investigators based on the results of the tests at Screening, Day -1 and Day 1 Exclusion Criteria: * Subjects with signs of heart diseases on the result of screening test * Subjects with current conditions or histories of drug addiction or alcohol addiction * Subjects judged by investigators that they cannot comply with the prohibition during the confinement period * Subjects who have taken MT-6548 before * Subjects with current conditions or histories of drug or food allergies * Subjects with BMI below18.5 kg/m2, BMI above 25.0 kg/m2 or body weight below 50.0 kg at the screening test * Subjects who have undergone platelet or plasma donation 2 weeks prior to the consent * Subjects who have undergone blood donation or blood draw of 400 mL or above within 12 weeks prior to the consent, or 200 mL or above within 4 weeks prior to the consent * Subjects who have undergone blood donation or blood draw of 800 mL or above within one year prior to the consent * Subjects who have undergone surgical operations that can affect gastrointestinal absorption of medication (appendectomy and hernioplasty do not meet this exclusion criterion) * Subjects with positive results for HBs antigen, syphilis serum reaction, HCV antibody or HIV antigen / antibody at the screening test * Subjects who are unwilling to consent to use contraception from the beginning of study per…