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ClinicalTrials.gov public records Last synced Oct 24, 2026, 12:12 PM EDT

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Showing 1–24 of 162 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Allergens Clear all
Completed Not applicable Interventional Results available

The Effect of Omalizumab on Responses to Cat Allergen Challenge

NCT00604786
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
omalizumab, placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 2 Interventional Results available

A Single-Center, Phase 2 Study Evaluating Bilastine Ophthalmic Solution in the CAC® Model

NCT03231969
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Bilastine 0.2%, Bilastine 0.4%, Bilastine 0.6%, Bilastine 0%
Drug
Lead sponsor
Faes Farma, S.A.
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2023 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 2 Interventional Results available

Omalizumab in the Treatment of Peanut Allergy

NCT00949078
View directory record Official record
Conditions
Food Allergy, Peanut Allergy
Interventions
omalizumab
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 12, 2017 · Synced Oct 24, 2026, 12:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Early Peanut Introduction: Translation to Clinical Practice

NCT03019328
View directory record Official record
Conditions
Peanut Allergy
Interventions
Peanut in diet
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
4 Months to 11 Months
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Oct 24, 2026, 12:12 PM 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 24, 2026, 12:12 PM 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 24, 2026, 12:12 PM EDT
Completed Phase 2 Interventional

Study of Oglemilast for the Treatment of Asthma

NCT00322686
View directory record Official record
Conditions
Asthma
Interventions
Oglemilast, Placebo then Oglemilast
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2012 · Synced Oct 24, 2026, 12:12 PM 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 24, 2026, 12:12 PM EDT
Recruiting Early Phase 1 Interventional

LYmph Node eXamination in Cat Allergen Immunotherapy

NCT07447869
View directory record Official record
Conditions
Allergy
Interventions
Intradermal cat allergen challenge
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 3 Interventional Results available

Study of Efficacy and Safety of 300 IR Sublingual Immunotherapy (SLIT) Tablets in Adult Patients With Allergic Grass Pollen Rhinoconjunctivitis

NCT00955825
View directory record Official record
Conditions
Allergic Rhinitis Due to Grass Pollens
Interventions
300 IR, Placebo
Drug
Lead sponsor
Stallergenes Greer
Industry
Eligibility
18 Years to 65 Years
Enrollment
473 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
19
States / cities
Normal, Illinois • Lexington, Kentucky • Owensboro, Kentucky + 16 more
Source: ClinicalTrials.gov public record
Updated May 19, 2016 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 2 Interventional Results available

Study Evaluating the Efficacy and Safety of PRT-2761 for the Treatment of Acute and Chronic Allergic Conjunctivitis

NCT03320434
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
PRT-2761 0.5%, PRT-2761 1%, Patanol, Pred-forte, PRT-2761 0%
Drug
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 4 Interventional Results available

An Allergen BioCube (ABC) Study Evaluating the Efficacy of Fluticasone Propionate Nasal Spray Compared to Placebo

NCT01439815
View directory record Official record
Conditions
Allergic Rhinitis, Allergic Conjunctivitis
Interventions
Fluticasone Propionate Nasal Spray, Saline Nasal Spray
Drug
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 24, 2026, 12:12 PM EDT
Completed No phase listed Observational

Mechanisms of Allergen Immunotherapy

NCT00001910
View directory record Official record
Conditions
Asthma, Hypersensitivity
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Topical ASP-1001 (Contrast Media Formulation) and the Acute Response to Nasal Allergen Challenge (NAC)

NCT00791102
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
ASP-1001 nasal spray, Placebo for ASP-1001
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Days to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Not applicable Interventional Results available

Application of a Novel Allergen-Specific Immune Signature Directed Approach to Dietary Elimination Therapy in Patients With Eosinophilic Esophagitis (IDiET)

NCT02722148
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Novel Allergen-Specific Immune Signature Directed Approach to Dietary Elimination Therapy
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 3 Interventional Results available

Efficacy & Safety of STG320 Sublingual Tablets of HDM Allergen Extracts in Adults and Adolescents With HDM-associated AR

NCT02443805
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial, House Dust Mite Allergy
Interventions
300 IR, Placebo
Biological
Lead sponsor
Stallergenes Greer
Industry
Eligibility
12 Years to 65 Years
Enrollment
1,607 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 24, 2026, 12:12 PM 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 24, 2026, 12:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Efficacy & Safety of the UAS Immunotherapy Protocol

NCT01699659
View directory record Official record
Conditions
Perennial Allergic Rhinitis With Seasonal Variation
Interventions
allergen immunotherapy
Other
Lead sponsor
United Allergy Services
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Evaluation of T.R.U.E. TEST® : Safety and Efficacy

NCT00640614
View directory record Official record
Conditions
Contact Dermatitis
Interventions
T.R.U.E. TEST® Skin Patch Test: Dose Response Allergens
Biological
Lead sponsor
Allerderm
Industry
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
4
States / cities
Little Rock, Arkansas • Shawnee Mission, Kansas • Louisville, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated May 5, 2020 · Synced Oct 24, 2026, 12:12 PM EDT
Completed No phase listed Observational

A Pilot Study Evaluating the Signs and Symptoms of Seasonal Allergic Rhinoconjunctivitis Following Exposure in the Allergen BioCube

NCT00985075
View directory record Official record
Conditions
Allergic Rhinoconjunctivitis
Interventions
Not listed
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 28, 2009 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 3 Interventional Results available

ALLEVIATE Trial - A Phase 3 Trial in Subjects With Allergic Conjunctivitis

NCT03494504
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Reproxalap Ophthalmic Solution (0.25%), Reproxalap Ophthalmic Solution (0.5%), Vehicle Ophthalmic Solution
Drug
Lead sponsor
Aldeyra Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
7
States / cities
Phoenix, Arizona • Sacramento, California • Torrance, California + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Oct 24, 2026, 12:12 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Investigation of the Impact of Smoking Status on Allergen-induced Nasal Airway Inflammation Using a Cat Hair (Felis Domesticus) Extract Nasal Allergen Challenge Model

NCT03031145
View directory record Official record
Conditions
Tobacco Smoking, Healthy Participants, E-cigarette Smokers
Interventions
Felis Domesticus
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 2 Interventional

Omalizumab (Xolair) and Allergy Shots For the Treatment of Seasonal Allergies

NCT00078195
View directory record Official record
Conditions
Hay Fever, Hypersensitivity, Allergy, Rhinitis
Interventions
omalizumab, Placebo omalizumab, Ragweed rush immunotherapy (RIT), Placebo rush immunotherapy (RIT), Ragweed immunotherapy (IT), Placebo immunotherapy (IT)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
3
States / cities
Iowa City, Iowa • Omaha, Nebraska • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Oct 24, 2026, 12:12 PM EDT
Completed Phase 2 Interventional Results available

Mapracorat Ophthalmic Formulation in Subjects With Allergic Conjunctivitis

NCT01289431
View directory record Official record
Conditions
Conjunctivitis, Allergic
Interventions
Mapracorat, Vehicle
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
12 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 4, 2020 · Synced Oct 24, 2026, 12:12 PM EDT