Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 22, 2026, 7:01 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Conditions
Eosinophilic Disease, Immune Deficiency, HaTS, Urticaria Anaphylaxis, Elevated IgE Level
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 99 Years
Enrollment
834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Anaphylaxis, Hypotension, Bronchospasm, Angioedema
Interventions
Epinephrine, Omalizumab (Xolair), Placebos
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Active, not recruiting No phase listed Observational

Cause of Unexplained Anaphylaxis

NCT00719719
Conditions
Idiopathic Anaphylaxis, Drug Anaphylaxis, Venom Anaphylaxis, Food Anaphylaxis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years to 75 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting No phase listed Observational Accepts healthy volunteers

Allergy and Immunology Natural History Study

NCT05584488
Conditions
Immune Deficiency, Immune Dysregulation Disorder, Allergic Inflammation
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
Up to 99 Years
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2027
U.S. locations
1
States / cities
New York, New York