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Completed Phase 2 Interventional Results available

Study to Evaluate Tezepelumab in Adults With Chronic Spontaneous Urticaria

ClinicalTrials.gov ID: NCT04833855

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.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 3:41 PM EDT

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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of this study is to evaluate the effect of tezepelumab on improvement in the Urticaria Activity Score over 7 days (UAS7).

Study identification

NCT ID
NCT04833855
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Amgen
Industry
Enrollment
183 participants

Conditions and interventions

Interventions

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 15, 2021 (Actual)
Primary completion
Dec 20, 2022 (Actual)
Completion
Apr 13, 2023 (Actual)
Last update posted
Apr 9, 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 9, 2025 · Synced Oct 23, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04833855 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →