A Study of the Efficacy and Safety of ICA-17043 (With or Without Hydroxyurea) in Patients With Sickle Cell Anemia.

Exclusion Criteria

• •Patient participating in a chronic transfusion program
• •Patient having a total hemoglobin of \< 4.0 g/dL or \> 10.0 g/dL
• •Patient having a HbA \> 10%
• •Patient considering undergoing an elective surgery
• •Patient taking prohibited medications such as Epoetin, Warfarin, etc.
• •Patient who has had previous gastrointestinal surgery, except cholecystectomy or appendectomy
• •Patient with significant active cardiovascular, neurologic, endocrine, hepatic, or renal disorders unrelated to sickle cell anemia