A Trial to Assess the Pharmacokinetics, Safety, and Tolerability of Centanafadine Capsules in Pediatric Subjects With Attention-deficit Hyperactivity Disorder

Doses of centanafadine will be taken once daily in the morning on Days 1 through 14. The fixed dose strengths will be administered according to body weight. Up to 12 subjects will be enrolled in the 9 to 12 years age cohorts (Cohorts 1 and 6), up to 8 subjects will be enrolled in each of the 6 to 8 years age cohorts (Cohorts 2 and 3), and up to 5 subjects will be enrolled in each of the 4 to 5 years age cohorts (Cohorts 4 and 5).