Phase 3 Study to Evaluate the Safety and Efficacy of Hydrocortisone Acetate Suppositories

Hydrocortisone acetate 90 mg or placebo will be administered as a rectal suppository with a Sephure suppository applicator. Two arms of the study will receive different dosage regimens of hydrocortisone acetate, and the third arm will receive placebo. All subjects will administer the study drug twice a day; once in the morning and once in the evening for 28 days. The study population will consist of male and non pregnant, non lactating females aged 18 years and older with a confirmed diagnosis of active ulcerative colitis of the rectum.