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Recruiting Phase 2 Interventional

Regeneron AA Multicenter (Dupilumab)

ClinicalTrials.gov ID: NCT05551793

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.

ClinicalTrials.gov public records Last synced Jul 29, 2026, 5:11 AM EDT

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
Lead sponsor
Emma Guttman
Other
Enrollment
76 participants

Conditions and interventions

Interventions

Drug

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 9, 2023
Primary completion
Nov 29, 2027
Completion
Oct 30, 2028
Last update posted
Jun 16, 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.

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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 16, 2026 · Synced Jul 29, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05551793 live on ClinicalTrials.gov.

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