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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:32 AM EDT

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Showing 97–120 of 226 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Allergen Clear all
Completed Phase 2 Interventional Results available

A Study to Test a New Decongestant in Patients With Allergic Rhinitis Following a Nasal Allergen Challenge

NCT00562120
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Placebo, Allegra, Allegra-D, PF-03654746
Drug
Lead sponsor
Pfizer
Industry
Eligibility
19 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Apr 16, 2014 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of House Dust Mite Allergen Challenge in Persons Using 1200 mg Gamma Tocopherol Supplements

NCT00466596
View directory record Official record
Conditions
Allergic Rhinitis, Mild Asthma
Interventions
Gamma Tocopherol
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 9, 2014 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Efficacy of AC-170 for the Treatment of Allergic Conjunctivitis in the Conjunctival Allergen Challenge (CAC) Model

NCT01332188
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
AC-170 0.05%, AC-170 0.1%, AC-170 0.24%, AC-170 0%
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
10 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Environmental Intervention to Reduce Allergens in Urban Schools and Childhood Asthma

NCT01913795
View directory record Official record
Conditions
Asthma
Interventions
integrated pest management, air purifier, Sham air purifier
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
4 Years to 15 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 7, 2022 · Synced Oct 20, 2026, 6:32 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effect of Nasaleze on Nasal Challenge With Allergen

NCT01723397
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Nasaleze Spray, Placebo spray, Allergen
Drug · Other · Biological
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 2, 2017 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 2 Interventional

A Study Of TL-925 For The Treatment of AC

NCT06293820
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
TL-925, Placebo
Drug
Lead sponsor
Telios Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 2 Interventional Results available

Oral Desensitization to Peanut in Peanut-Allergic Children and Adults Using Characterized Peanut Allergen OIT

NCT01987817
View directory record Official record
Conditions
Peanut Allergy
Interventions
AR101 powder provided in capsules, Placebo powder provided in capsules
Biological
Lead sponsor
Aimmune Therapeutics, Inc.
Industry
Eligibility
4 Years to 26 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
8
States / cities
Little Rock, Arkansas • San Diego, California • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2021 · Synced Oct 20, 2026, 6:32 AM EDT
Recruiting Not applicable Interventional

IBS Skin Patch Test Food Allergy Study

NCT06288672
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
True avoidance diet, Sham avoidance diet
Other
Lead sponsor
IBS-80, LLC
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
North Wales, Pennsylvania • Barboursville, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 2 Interventional Results available

Cockroach Immunotherapy in Children and Adolescents

NCT03541187
View directory record Official record
Conditions
Persistent Asthma
Interventions
German cockroach allergenic extract, Placebo for German cockroach allergenic extract
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years to 17 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
11
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Tolerance Following Peanut Oral Immunotherapy

NCT01750879
View directory record Official record
Conditions
Peanut Allergy
Interventions
Peanut Flour, Oat Flour
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 55 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Oct 20, 2026, 6:32 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Clinic Navigation and Home Visits to Improve Guideline-based Care and Outcomes in Low Income Minority Adults With Asthma

NCT04023422
View directory record Official record
Conditions
Asthma
Interventions
Clinical intervention, Feedback
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
367 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 20, 2026, 6:32 AM EDT
Withdrawn Phase 3 Interventional

Topical Allstate and Nasal Allergen Challenge

NCT01231724
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Allstate Nasal Spray, Placebo Nasal Spray
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of the Effectiveness of ST266 Ophthalmic Drops Compared to Placebo to Treat Allergic Conjunctivitis

NCT02978183
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
ST266, Saline (0.9% NaCl)
Biological · Drug
Lead sponsor
Noveome Biotherapeutics, formerly Stemnion
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Andover, Massachusetts • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 10, 2023 · Synced Oct 20, 2026, 6:32 AM EDT
Completed No phase listed Observational

Outdoor Allergen Exposure, Sensitivity, and Acute Asthma

NCT00043992
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
15 Years to 50 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 4, 2006 · Synced Oct 20, 2026, 6:32 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Food Allergen Eliminations and Combined Protocols for Obesity Reduction: a Preliminary Comparison Study

NCT03821818
View directory record Official record
Conditions
Obesity
Interventions
Food Allergy Elimination + Willis Exercise
Behavioral
Lead sponsor
Galveston Clinical Research Foundation
Other
Eligibility
20 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Oct 20, 2026, 6:32 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Analytical Validation of the abioSCOPE Device With an IgE Test Panel: Point-of-Care Precision, Sample Type Comparison and Method Correlation

NCT04401631
View directory record Official record
Conditions
Allergy, Allergic Asthma, Allergy to Cats, Allergy to House Dust, Allergy to Dog Dander (Finding), Allergy Mold, Allergy Cockroach
Interventions
Blood Collection
Device
Lead sponsor
Abionic SA
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 20, 2026, 6:32 AM EDT
Recruiting Phase 2 Interventional

Clinical Trial of Omalizumab for Allergen Sensitized and Exposed Individuals With COPD

NCT07059091
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD), Allergies
Interventions
Omalizumab (Xolair®), Sodium Chloride (NaCl) 0.9 %
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years and older
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
23
States / cities
Birmingham, Alabama • Tucson, Arizona • San Francisco, California + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 20, 2026, 6:32 AM EDT
Not listed Phase 2 Interventional

A Study of TL-925 for the Treatment of Allergic Conjunctivitis

NCT06153342
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
TL-925, Placebo
Drug
Lead sponsor
Telios Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2023 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Not applicable Interventional

Reducing Indoor Allergen Exposures in Northern Manhattan and the South Bronx

NCT00023127
View directory record Official record
Conditions
Asthma, Allergy
Interventions
Integrated Pest Management
Procedure
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
6 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2006 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food Allergy Diagnostic Test Response to Previous Oral Challenge Response

NCT03693456
View directory record Official record
Conditions
Food Hypersensitivity
Interventions
Conjunctival Allergen Challenge
Other
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 3 Interventional

Mouse Allergen and Asthma Intervention Trial

NCT01251224
View directory record Official record
Conditions
Asthma, Mouse Allergy, Mouse Allergen Exposure
Interventions
Integrated Pest Management, Education
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
6 Years to 17 Years
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Oct 20, 2026, 6:32 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Montelukast in Atopic Dermatitis Induced by Food Allergens

NCT00557284
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Montelukast, Placebo
Drug
Lead sponsor
1st Allergy & Clinical Research Center
Other
Eligibility
1 Year to 8 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Centennial, Colorado • Thornton, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 21, 2015 · Synced Oct 20, 2026, 6:32 AM EDT
Completed No phase listed Observational

Asthma Severity in Children and Environmental Agents

NCT00042705
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
5 Years to 11 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Oct 20, 2026, 6:32 AM EDT
Not listed Not applicable Interventional

Patient Experience and Quality of Patch Testing on the Legs vs Back

NCT06191627
View directory record Official record
Conditions
Allergic Contact Dermatitis
Interventions
Patch testing
Diagnostic Test
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 30, 2024 · Synced Oct 20, 2026, 6:32 AM EDT