The gastrointestinal passage and release of beclomethasone dipropionate from oral delivery systems in ileostomy volunteers.

To study the delivery of 15 mg beclomethasone 17,21-dipropionate (BDP) to the distal part of the small bowel for three oral sustained-release formulations (I-III) and a reference capsule in volunteer ileostomists, and to compare these findings with the in vitro dissolution profiles.