Molecular Endotypes of Chronic Idiopathic Urticaria
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
| ClinicalTrials.gov Identifier: NCT04774315 |
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Recruitment Status :
Recruiting
First Posted : March 1, 2021
Last Update Posted : January 19, 2022
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| Condition or disease | Intervention/treatment | Phase |
|---|---|---|
| Chronic Urticaria, Idiopathic | Drug: Omalizumab | Phase 4 |
| Study Type : | Interventional (Clinical Trial) |
| Estimated Enrollment : | 15 participants |
| Allocation: | N/A |
| Intervention Model: | Single Group Assignment |
| Masking: | None (Open Label) |
| Primary Purpose: | Diagnostic |
| Official Title: | Molecular Endotypes of Chronic Idiopathic Urticaria |
| Estimated Study Start Date : | January 2022 |
| Estimated Primary Completion Date : | March 2025 |
| Estimated Study Completion Date : | March 2025 |
| Arm | Intervention/treatment |
|---|---|
| Experimental: Omalizumab |
Drug: Omalizumab
omalizumab 300mg SQ every 4 weeks as part of standard of care |
- Responders [ Time Frame: Week 16 ]The number of participants who meet the definition of "Responder" to omalizumab. "Responders" are defined as having a UAS7 of 6 or less after 16 weeks of treatment.
- Baseline expression of innate immune markers [ Time Frame: Baseline ]Baseline expression of innate immune markers in peripheral blood between eventual responders and nonresponders to omalizumab. 5 significant markers will be reported. Results will be stratified between groups determined by the pre-specified arms and by the classification of participants as responders versus non-responders to omalizumab.
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
| Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- CIU as defined as frequent urticarial lesions for ≥ 6 weeks
- Symptoms not controlled with standard dose antihistamines (loratadine 10mg daily, desloratadine 5mg daily, fexofenadine 180mg daily, cetirizine 10mg daily, or levocetirizine 5mg daily)
- Planned initiation of treatment with omalizumab (Xolair) as part of standard of care for antihistamine-refractory urticaria
Exclusion Criteria:
- Use of immunomodulatory drugs in the past 1 month prior to beginning the study
- Use of systemic steroids in the past 1 month prior to beginning the study
- Use of omalizumab in the past 3 months prior to beginning the study
- Use of any investigational agent in the past 30 days
- Untreated intercurrent illness
- Severe Asthma
- Primary diagnosis of flushing
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04774315
| Contact: Jenny Stitt, M.D. | 303-724-1111 | clinicalresearchsupportcenter@ucdenver.edu |
| United States, Colorado | |
| University of Colorado Anschutz | Recruiting |
| Aurora, Colorado, United States, 80045 | |
| Contact: Jenny Stitt 303-724-7205 jenny.stitt@cuanschutz.edu | |
| Principal Investigator: Jenny Stitt, M.D. | |
| Principal Investigator: | Jenny Stitt, M.D. | University of Colorado, Denver |
| Responsible Party: | University of Colorado, Denver |
| ClinicalTrials.gov Identifier: | NCT04774315 |
| Other Study ID Numbers: |
18-0850 |
| First Posted: | March 1, 2021 Key Record Dates |
| Last Update Posted: | January 19, 2022 |
| Last Verified: | January 2022 |
| Individual Participant Data (IPD) Sharing Statement: | |
| Plan to Share IPD: | No |
| Studies a U.S. FDA-regulated Drug Product: | Yes |
| Studies a U.S. FDA-regulated Device Product: | No |
| Product Manufactured in and Exported from the U.S.: | No |
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Urticaria Chronic Urticaria Skin Diseases, Vascular Skin Diseases Hypersensitivity, Immediate Hypersensitivity |
Immune System Diseases Omalizumab Anti-Allergic Agents Anti-Asthmatic Agents Respiratory System Agents |

