Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Recruiting No phase listed Observational

Mechanisms of Increased Disease Severity in AD Patients With the IL-4Ra R576 Polymorphism

ClinicalTrials.gov ID: NCT04455906

Public ClinicalTrials.gov record NCT04455906. 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 May 18, 2026, 10:31 AM EDT

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

Study identification

NCT ID
NCT04455906
Recruitment status
Recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
Boston Children's Hospital
Other
Enrollment
111 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
6 Years to 65 Years
Sex
All
Healthy volunteers
Not listed

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 29, 2020
Primary completion
Mar 14, 2027
Completion
Sep 14, 2027
Last update posted
May 17, 2026

2020 – 2027

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Boston Children's Hospital Boston Massachusetts 02115 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 NCT04455906, 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 May 17, 2026 · Synced May 18, 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 NCT04455906 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →