Long-term Efficacy and Safety Extension (LTE) Study of Barzolvolimab in Participants With Chronic Spontaneous Urticaria
Public ClinicalTrials.gov record NCT07256392. 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 Phase 3b Long-term Efficacy and Safety Extension Study of Barzolvolimab in Participants With Chronic Spontaneous Urticaria Who Have Completed CDX0159-12 or CDX0159-13
Study identification
- NCT ID
- NCT07256392
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Celldex Therapeutics
- Industry
- Enrollment
- 1,370 participants
Conditions and interventions
Conditions
Interventions
- Standard of Care Other
- barzolvolimab Biological
Other · Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Nov 24, 2025
- Primary completion
- Aug 31, 2028
- Completion
- Aug 31, 2028
- Last update posted
- Apr 30, 2026
2025 – 2028
United States locations
- U.S. sites
- 18
- U.S. states
- 12
- U.S. cities
- 17
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Cahaba Dermatology & Skin Health Center, LLC | Birmingham | Alabama | 35244 | Recruiting |
| Center for Dermatology & Plastic Surgery - Avacare | Scottsdale | Arizona | 85260 | Recruiting |
| Dermatology Research Associates | Los Angeles | California | 90045 | Recruiting |
| LA Universal Research Center, Inc. | Los Angeles | California | 90057 | Recruiting |
| Encore Medical Research of Boynton Beach LLC | Boynton Beach | Florida | 33436 | Recruiting |
| Direct Helpers Research Center | Hialeah | Florida | 33012 | Recruiting |
| Deluxe Health Center | Miami Lakes | Florida | 33014 | Recruiting |
| Sarasota Clinical Research | Sarasota | Florida | 34239 | Recruiting |
| Advanced Clinical Research Institute (ACRI) - Florida | Tampa | Florida | 33607 | Recruiting |
| Centricity Research Columbus Dermatology | Columbus | Georgia | 31904 | Recruiting |
| Endeavor Health | Skokie | Illinois | 60026 | Recruiting |
| The South Bend Clinic - Avacare | South Bend | Indiana | 46617 | Recruiting |
| Institute for Asthma and Allergy | Wheaton | Maryland | 20902 | Recruiting |
| Respiratory Medicine Research Institute of Michigan PLC | Ypsilanti | Michigan | 48197 | Recruiting |
| Michigan Center for Research Co., LLC (or Profound Research LLC at Clarkson Medical Group as listed in Suvoda) | Clarkson | Missouri | 48346 | Recruiting |
| Montana Medical Research, Inc. | Missoula | Montana | 59808 | Recruiting |
| Bexley Dermatology Research | Bexley | Ohio | 43209 | Recruiting |
| Toledo Institute for Clinical Research | Toledo | Ohio | 43617 | Recruiting |
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 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT07256392, 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 30, 2026 · Synced May 19, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT07256392 live on ClinicalTrials.gov.