Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: The Pharmacokinetics of a Single Dose of 9-cis-retinoic Acid (Alitretinoin, Toctino®) in Patients With Moderate to Severe Hepatic Insufficiency
Brief Summary: To test whether patients with hepatic insufficiency can tolerate one oral dose of 9-cis-retinoic acid and to test whether the metabolism of retinoic acid is altered.