Evaluation of Viloxazine and Its Metabolite 5-Hydroxy-viloxazine Glucuronide Into Breast Milk in Healthy Lactating Women

This is an open label, single treatment, multiple doses lactation study of SPN-812 in healthy lactating women. The study is designed to assess the excretion of viloxazine and its major metabolite 5-HVLX-gluc into breast milk following repeated administration of SPN-812 600 mg, QD. This study is comprised of Screening, Inpatient Admission, Treatment Period and End of Study (EOS). The total duration of the study is up to 32 days including Screening up to 28 days and 4 days of Treatment Period. Subjects will remain in the inpatient unit for 5 days, including the day of admission to the inpatient unit (Day -1), 3 days of dosing SM (Days 1-3), and the day of discharge (Day 4).