Clinical Trial 9820

Sacramento, CA 95831

Study Summary:

A double-blind, randomized, placebo controlled, parallel group, multi-site study to evaluate the clinical equivalence of lubiprostone 24 mcg capsules (Anchen Pharmaceuticals, Inc.) with AMITIZA® (lubiprostone) 24 mcg Capsules (Sucampo Pharmaceuticals, Inc.) in the treatment of chronic idiopathic constipation. FDA approved medication. This is a 12-week study.

Qualified Participants Must:

• Be 18 years of age or older
• Be suffering from chronic, idiopathic constipation
• Be able to keep a diary during the study when necessary

Qualified Participants May Receive:

All study related procedures and medication (or placebo) at no cost. Participants may be compensated up to $200.

Clinical trials are medical research studies designed to test the safety and/or effectiveness of new investigational drugs, devices, or treatments in humans. These studies are conducted worldwide for a range of conditions and illnesses. Learn more about clinical research and participating in a study at About Clinical Trials.