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Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Response Duration and Safety of Xolair (Omalizumab) in Patients With Chronic Idiopathic Urticaria (CIU)/Chronic Spontaneous Urticaria (CSU) Who Remain Symptomatic Despite Antihistamine Treatment (H1)

ClinicalTrials.gov ID: NCT01292473

Public ClinicalTrials.gov record NCT01292473. 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 Nov 3, 2026, 10:35 AM EST

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase III, Multicenter, Randomized, Double-blind, Dose-ranging, Placebo-controlled Study to Evaluate the Efficacy, Response Duration and Safety of Xolair (Omalizumab) in Patients With Chronic Idiopathic Urticaria (CIU)/Chronic Spontaneous Urticaria Who Remain Symptomatic Despite Antihistamine Treatment (H1)

Brief summary

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

The study is a global Phase III, multicenter, randomized, double-blind, placebo-controlled, parallel-group study to evaluate the efficacy and safety of omalizumab administered subcutaneously as an add-on therapy for the treatment of adolescent and adult patients aged 12-75 who have been diagnosed with refractory CIU and who remain symptomatic despite standard-dosed H1 antihistamine treatment.

Study identification

NCT ID
NCT01292473
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Genentech, Inc.
Industry
Enrollment
323 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
12 Years to 75 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
Mar 2011 (Type not available)
Primary completion
Jun 2012 (Actual)
Completion
Jun 2012 (Actual)
Last update posted
Oct 11, 2013

2011 – 2012

United States locations

U.S. sites
36
U.S. states
20
U.S. cities
34
Facility City State ZIP Site status
Not listed La Jolla California 92037 —
Not listed Los Angeles California 90045 —
Not listed Redwood City California 94063 —
Not listed Walnut Creek California 94598 —
Not listed Denver Colorado 80206 —
Not listed Miami Florida 33173 —
Not listed Savannah Georgia 31405 —
Not listed Woodstock Georgia 30188 —
Not listed Shiloh Illinois 62269 —
Not listed Indianapolis Indiana 46256 —
Not listed Overland Park Kansas 66210 —
Not listed Baltimore Maryland 21237 —
Not listed Wheaton Maryland 20902 —
Not listed Ypsilanti Michigan 48197 —
Not listed Omaha Nebraska 68130 —
Not listed Omaha Nebraska 68131 —
Not listed Brick New Jersey 08724 —
Not listed Bayside New York 11361 —
Not listed Brooklyn New York 11203 —
Not listed North Syracuse New York 13212 —
Not listed Rochester New York 14642 —
Not listed Rockville Centre New York 11570 —
Not listed The Bronx New York 10461 —
Not listed Asheville North Carolina 28801 —
Not listed Canton Ohio 44718 —
Not listed Cincinnati Ohio 45231 —
Not listed Philadelphia Pennsylvania 19140 —
Not listed Pittsburgh Pennsylvania 15213 —
Not listed Pittsburgh Pennsylvania 15241 —
Not listed Providence Rhode Island 02906 —
Not listed El Paso Texas 79903 —
Not listed Sandy City Utah 84070 —
Not listed Seattle Washington 98105 —
Not listed Spokane Washington 99204 —
Not listed Madison Wisconsin 53715 —
Not listed Milwaukee Wisconsin 53226 —

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 25 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01292473, 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 Oct 11, 2013 · Synced Nov 3, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01292473 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →