- Disease: a) Current or recurrent disease that could affect the action, absorption or disposition of the study medication or clinical or laboratory assessments (e.g. hepatic disorders, renal insufficiency, congestive heart failure). b) Current or relevant previous history of serious, severe or unstable physical or psychiatric illness, any medical disorder that may require treatment or make the subject unlikely to fully complete the study, or any condition that presents undue risk from the study medication or procedures.