This is a nonrandomized, open-label, parallel-group, single oral dose study in subjects with chronic hepatic impairment and matched (age, sex, weight, BMI) healthy subjects. Subjects will be enrolled into 1 of 3 groups based on hepatic impairment grade: mild, moderate and normal hepatic function. An optional severe hepatic impairment group will enroll based on data from the mild and moderate hepatic impairment groups in comparison to matched healthy group. All subjects will receive a single oral dose of IPI-145 25 mg.
To evaluate the pharmacokinetics, safety, and tolerability of IPI-145 when administered to subjects with chronic hepatic impairment and in matched healthy subjects.