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ClinicalTrials.gov public records Last synced Oct 20, 2026, 9:23 AM EDT

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Showing 97–120 of 277 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Allergic Rhinitis Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of a 10,000 EU Dose of Endotoxin in Allergic and Mildly Asthmatic Adults

NCT00839189
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial, Rhinitis, Allergic, Seasonal, Asthma
Interventions
Clinical Center Reference Endotoxin (CCRE)
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 9, 2009 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 3 Interventional

Investigation of Potential Additive Inhibitory Effects on HPA-Axis of Ciclesonide Nasal Spray When Administered Concomitantly With Orally Inhaled Beclomethasone Dipropionate (HFA-BDP) in Patients With Perennial Allergic Rhinitis (PAR) (BY9010/M1-408)

NCT00659048
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
Ciclesonide, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 60 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized, Multiple Dose, Double Blind, 5-way Crossover Study of the Electrocardiographic (ECG) Effects of Bilastine

NCT00419783
View directory record Official record
Conditions
Healthy
Interventions
Bilastine, Bilastine & Ketoconazole, Moxifloxacin, Placebo
Drug
Lead sponsor
Faes Farma, S.A.
Industry
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies

NCT00824473
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Placebo, 0.15% azelastine hydrochloride
Drug
Lead sponsor
Meda Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
506 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
7
States / cities
Austin, Texas • New Braunfels, Texas • San Antonio, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2010 · Synced Oct 20, 2026, 9:23 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Single and Multiple Doses of HA115 and Food Effect in Healthy Adult Volunteers

NCT03567694
View directory record Official record
Conditions
Asthma
Interventions
HA115, Placebo
Drug
Lead sponsor
Conjupro Biotherapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2021 · Synced Oct 20, 2026, 9:23 AM 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 20, 2026, 9:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Repeated Nasal Challenge in Skin Prick-puncture Negative and Intradermal Positive Dust Mite Allergic Rhinitis Patients

NCT01179282
View directory record Official record
Conditions
ALLERGIC RHINITIS
Interventions
dust mite extract or placebo
Biological
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 1, 2013 · Synced Oct 20, 2026, 9:23 AM EDT
Completed No phase listed Observational

Oral Bacteria and Allergic Disease in Children

NCT00438646
View directory record Official record
Conditions
Asthma, Rhinitis, Eczema, Respiratory Sounds, Hypersensitivity
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
6 Years to 11 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 25, 2009 · Synced Oct 20, 2026, 9:23 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Examine the Efficacy and Safety of Anti-Fel d 1 Antibodies Injections in Cat-allergic Adolescent and Adult Patients With Allergic Rhinitis Who Live With a Cat

NCT04981717
View directory record Official record
Conditions
Allergic Rhinitis Due to Cat Allergy
Interventions
REGN1908-1909, Matching Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
446 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
42
States / cities
Mission Viejo, California • Riverside, California • Rolling Hills Estates, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Oct 20, 2026, 9:23 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, 9:23 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Study of AHIST in Seasonal Allergic Rhinitis Patients

NCT01008397
View directory record Official record
Conditions
Rhinitis, Allergic, Seasonal
Interventions
AHIST NDC#58407-012-01
Drug
Lead sponsor
Magna Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 6, 2014 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 2 Interventional

The Effect of Nasal Carbon Dioxide (CO2) Used As-Needed in the Symptomatic Treatment of Seasonal Allergic Rhinitis

NCT00917020
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Nasal CO2, Inactive Placebo Gas
Drug
Lead sponsor
Capnia, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 15, 2012 · Synced Oct 20, 2026, 9:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Audio Data Collection for Identification and Classification of Coughing

NCT04326309
View directory record Official record
Conditions
COVID-19, Coronavirus Infections, Hay Fever, Asthma, Chronic Obstructive Pulmonary Disease, Influenza, Common Cold, Respiratory Tract Infections, Healthy
Interventions
Not listed
Lead sponsor
HealthMode Inc.
Industry
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 29, 2022 · Synced Oct 20, 2026, 9:23 AM EDT
Completed No phase listed Observational

Conjunctival Allergen Challenge (CAC) Following Allergen Exposure in the Allergen BioCube (ABC)

NCT00985296
View directory record Official record
Conditions
Allergic Rhinoconjunctivitis
Interventions
Not listed
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 21, 2010 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Orotic Acid Derivatives With or Without Glutathione on Allergic Rhinitis

NCT00227058
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Orotic acid and Glutathione-(Nutritional Supplements)
Drug
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jan 26, 2007 · Synced Oct 20, 2026, 9:23 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

The Addition of Montelukast to Fluticasone in the Treatment of Perennial Allergic Rhinitis

NCT00119015
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
Placebo, Montelukast, Fluticasone propionate
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 55 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 28, 2014 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 4 Interventional Results available

Comparison Between Systemic Exposure to Ciclesonide Nasal Spray, Ciclesonide HFA Nasal Aerosol and Orally Inhaled Ciclesonide (BY9010/M1-422)

NCT00458835
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Ciclesonide
Drug
Lead sponsor
Covis Pharma S.à.r.l.
Industry
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Diesel Exhaust Followed by Administration of Nasal Spray Flu Vaccine on Individuals With & Without Allergies

NCT00617110
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
live attenuated influenza virus (LAIV) with clean air, LAIV and diesel exhaust particles
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 20, 2026, 9:23 AM EDT
Recruiting Not applicable Interventional

Evaluation of the Efficacy, Safety, and Tolerability of PL-14 Allergy Blocker Compared to Saline Spray in Patients With Seasonal Allergic Rhinitis

NCT07588672
View directory record Official record
Conditions
Seasonal Allergic Rhinitis (SAR), Allergic Rhinitis
Interventions
PL-14 Allergy Blocker, Ayr® Saline Nasal Mist
Device
Lead sponsor
Polyrizon Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Normal, Illinois • St Louis, Missouri • Ocean City, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Olopatadine 0.6% and Fluticasone Proprionate 50mcg Nasal Sprays in a Two Week Seasonal Allergic Rhinitis Trial

NCT00691665
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Olopatadine HCL Nasal Spray, 0.6%, Fluticasone Propionate Nasal Spray, 50 mcg
Drug
Lead sponsor
Alcon Research
Industry
Eligibility
12 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2010 · Synced Oct 20, 2026, 9:23 AM EDT
Terminated No phase listed Observational

Evaluation and Long-Term Follow-Up of Patients With Allergic and Inflammatory Disorders

NCT00557895
View directory record Official record
Conditions
Allergy, Asthma, Allergic Rhinitis, Mastocytosis, Atopic Dermatitis, Food Allergy
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 80 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Intranasal Capsaicin Treatment for Non-Allergic Irritant Rhinitis

NCT02493257
View directory record Official record
Conditions
Nonallergic Irritant Rhinitis
Interventions
Capsaicin, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety, Pharmacokinetics, and Efficacy of Bepotastine Besilate Nasal Product After Ragweed Pollen Exposure in an Environmental Chamber

NCT01222299
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
bepotastine besilate nasal product - low dose, bepotastine besilate nasal product - medium dose, bepotastine besilate nasal product - high dose, placebo comparator nasal product
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 20, 2026, 9:23 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies

NCT00660829
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Placebo, 0.15% Azelastine Hydrochloride
Drug
Lead sponsor
Meda Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
536 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
6
States / cities
Austin, Texas • New Braunfels, Texas • San Antonio, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Oct 20, 2026, 9:23 AM EDT