Study to Evaluate Tezepelumab in Adults With Chronic Spontaneous Urticaria
Public ClinicalTrials.gov record NCT04833855. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-Blind, Placebo-Controlled, Multicenter, Dose-Ranging, Phase 2b Study to Evaluate Efficacy and Safety of Tezepelumab for the Treatment of Chronic Spontaneous Urticaria
Study identification
- NCT ID
- NCT04833855
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Amgen
- Industry
- Enrollment
- 183 participants
Conditions and interventions
Conditions
Interventions
- Tezepelumab Dose 1 Biological
- Tezepelumab Dose 2 Biological
- Omalizumab Biological
- Placebo Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 14, 2021
- Primary completion
- Dec 19, 2022
- Completion
- Apr 12, 2023
- Last update posted
- Apr 8, 2025
2021 – 2023
United States locations
- U.S. sites
- 25
- U.S. states
- 16
- U.S. cities
- 24
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Research Center of Alabama | Birmingham | Alabama | 35209 | — |
| First OC Dermatology | Fountain Valley | California | 92708 | — |
| Avance Clinical Trials | Laguna Niguel | California | 92677 | — |
| Jonathan Corren MD Inc | Los Angeles | California | 90025 | — |
| Dermatology Research Associates | Los Angeles | California | 90045 | — |
| Clinical Science Institute | Santa Monica | California | 90404 | — |
| Asthma and Allergy Associates PC | Colorado Springs | Colorado | 80907 | — |
| The Community Research of South Florida | Miami Lakes | Florida | 33016 | — |
| Advanced Medical Research PC | Sandy Springs | Georgia | 30328 | — |
| Dawes Fretzin Clinical Research Group, LLC | Indianapolis | Indiana | 46250 | — |
| Epiphany Dermatology of Kansas, LLC | Overland Park | Kansas | 66210 | — |
| Bluegrass Allergy Care | Lexington | Kentucky | 40509 | — |
| Family Allergy and Asthma Research Institute | Louisville | Kentucky | 40215 | — |
| Johns Hopkins Asthma and Allergy Center | Baltimore | Maryland | 21224 | — |
| David Fivenson MD Professional Liability Company | Ann Arbor | Michigan | 48103 | — |
| Clarkston Skin Research | Clarkston | Michigan | 48346 | — |
| Henry Ford Medical Center - New Center One | Detroit | Michigan | 48202 | — |
| Washington University School of Medicine | St Louis | Missouri | 63110 | — |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | — |
| Bernstein Clinical Research Center LLC | Cincinnati | Ohio | 45236 | — |
| Aventiv Research Inc | Dublin | Ohio | 43016 | — |
| Clinical Partners LLC | Johnston | Rhode Island | 02919 | — |
| The Allergy Asthma and Sinus Center, East Tennessee Center for Clinical Research | Knoxville | Tennessee | 37909 | — |
| Suzanne Bruce and Associates | Houston | Texas | 77056 | — |
| Cutis Wellness Dermatology and Dermatopathology, PLLC | Laredo | Texas | 78041 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 56 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04833855, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 8, 2025 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04833855 live on ClinicalTrials.gov.