Clinical Research Detail Title Of Study A clinical trial to study the effects of two drugs, sustained release hydroxyzine and immediate release hydroxyzine in the treatment of patients with chronic idiopathic urticaria. Disease Condition Chronic idiopathic urticaria Phase of Trial Phase-3 Discipline Dermatology/Skin Start date of Trial 11/25/2009 Closing Date of Trial 11/25/2009 If you are a doctor interested in clinical research then upload your profile. Click here If you are a hospital interested in clinical research then upload your profile. Click here If you are a patient interested to know more about this clinical trial mail us at:   [email protected]