Regeneron AA Multicenter (Dupilumab)
Public ClinicalTrials.gov record NCT05551793. 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
Dupilumab in the Treatment of Alopecia Areata Patients With an Atopic Background and/or High IgE
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a prospective, randomized, double blind, placebo-controlled clinical trial. The study will take place at 4 sites. This trial will enroll a total of 68 patients with moderate to severe AA (affecting more than 50% of the scalp) at the time of screening with a targeted 54 subjects completers through Week 48. AA subjects must have evidence of hair regrowth within the last 7 years of their last episode of hair loss; and have screening IgE ≥ 200 and/or have personal and/or familial history of atopy. Subjects will be randomized (2:1) to either receive weekly dupilumab or placebo for 48 weeks, with all subjects completing participation through Week 48 receiving an additional 48 weeks of dupilumab (through Week 96).
Study identification
- NCT ID
- NCT05551793
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 76 participants
Conditions and interventions
Conditions
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
- Apr 10, 2023 (Actual)
- Primary completion
- Nov 30, 2027 (Estimated)
- Completion
- Oct 31, 2028 (Estimated)
- Last update posted
- Jun 17, 2026
2023 – 2028
United States locations
- U.S. sites
- 3
- U.S. states
- 2
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California, Irvine | Irvine | California | 92697 | Recruiting |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | Recruiting |
| UR Dermatology at College Town | Rochester | New York | 14620 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05551793, 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 Jun 17, 2026 · Synced Oct 16, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT05551793 live on ClinicalTrials.gov.