A Study of the Efficacy and Safety of Omalizumab Through 48 Weeks in Participants With Chronic Idiopathic Urticaria
Urticaria
About this trial
This is an interventional treatment trial for Urticaria
Eligibility Criteria
Inclusion Criteria:
- Diagnosis of CIU refractory to H1 antihistamines at baseline
- Presence of itch and hives for at least 8 consecutive weeks at any time prior to enrollment despite current use of H1 antihistamine treatment (up to four times the approved dose) during this time period
- UAS7 score (range 0-42) ≥ 16 and itch component of UAS7 (range 0-21) ≥ 8 during 7 days prior to baseline
- Participants must have been on a non-sedating H1 antihistamine treatment (up to four times the approved dose) for CIU for at least 3 consecutive days immediately prior to screening visit with continued current use on the day of the initial screening visit
- CIU diagnosis for ≥ 6 months
- Willing and able to complete a daily symptom eDiary for the duration of the study
Exclusion Criteria:
- Treatment with an investigational agent within 30 days of the initial screening visit
- Body weight less than 20 kilograms
- Clearly defined underlying etiology for chronic urticarias other than CIU
- Evidence of a parasitic infection
- Atopic dermatitis, bullous pemphigoid, dermatitis herpetiformis, senile pruritus or other skin disease associated with itch
- Previous treatment with omalizumab within 1 year prior to the initial screening visit
- Participants may not have taken during treatment period or have been taking within 30 days before the initial screening visit any of the following medications or treatments:
regular (daily/every other day during 5 or more consecutive days) systemic corticosteroids, hydroxychloroquine, methotrexate, mycophenolate, cyclosporine, cyclophosphamide, intravenous immunoglobulin G or plasmapheresis
- Regular (daily/every other day) oral doxepin use within 14 days prior to the initial screening visit
- Pregnant or lactating women, or women intending to become pregnant during the study
Sites / Locations
- Allergy and Asthma Relief Experts
- Allergy & Asthma Care Center of Southern California
- Dermatology Research Associate
- Southern California Research Center
- Choc Psf, Amc
- Allergy & Asthma Consultants
- Allergy and Asthma Clinical Research, Inc.
- IMMUNOe Research Centers
- Colorado Allergy & Asthma Centers, Pc
- Florida Center for Allergy and Asthma Research
- Florida Ctr-Allergy & Asthma
- Sarasota Clinical Research
- University of South Florida
- Clinical Research Center of Southern Illinois LLC
- Deaconess Clinic
- Dawes Fretzin Clinical Res LLC
- Abraham Research PLLC
- Dermatology Specialists Research, LLC
- Allergy & Asthma Specialists, PSC
- Asthma, Allergy & Sinus Center
- Institute for Asthma & Allergy
- Respiratory Medicine Research; Institue of Michigan P.L.C.
- James Q. Del Rosso, DO, LLC
- Ocean Allergy & Resp Res Ctr
- Montefiore Medical Group;Department of Medicine
- Winthrop University Hospital
- Aair Research Center
- University of Rochester Medical Center; University Dermatology Associates
- Allergy Partners of Western NC
- Allergy & Respiratory Center
- Bernstein Clinical Research Center Llc
- Toledo Inst of Clin Research
- Vital Prospects Clin Res Pc
- Asthma, Nasal Disease, and Allergy Research Center of New England
- National Allergy and Asthma Research
- Live Oak Allergy & Asthma Clinic
- Allergy & Asthma Research Center
- Timber Lane Allergy-Asth Res
- O & O Alpan, LLC
- Premier Clinical Research
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Omalizumab
Placebo
Participants will receive open-label omalizumab treatment at 300 mg SC Q4W for 24 weeks. After 24 weeks open-label treatment, eligible participants will be randomized to receive omalizumab treatment at 300 mg SC Q4W for next 24 weeks (up to Week 48). Participants randomized to omalizumab may, at the discretion of the investigator, be transitioned from blinded study drug to open-label omalizumab at 300 mg SC Q4W if they experience clinically significant worsening in their CIU (as judged by the investigator). Participants who are transitioned to open-label omalizumab will continue to receive open-label omalizumab as study drug until Week 48.
Participants will receive open-label omalizumab treatment at 300 mg SC Q4W for 24 weeks. After 24 weeks open-label treatment, eligible participants will be randomized to receive placebo SC Q4W for next 24 weeks (up to Week 48). Participants randomized to placebo may, at the discretion of the investigator, be transitioned from blinded study drug to open-label omalizumab at 300 mg SC Q4W if they experience clinically significant worsening in their CIU (as judged by the investigator). Participants who are transitioned to open-label omalizumab will continue to receive open-label omalizumab as study drug until Week 48.