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Showing 1–24 of 276 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: ALLERGIC RHINITIS Clear all
Completed Phase 3 Interventional Results available

Hypothalamic-Pituitary-Adrenal (HPA) Axis Study in Adult and Adolescent Subjects With Perennial Allergic Rhinitis (PAR)

NCT01133626
View directory record Official record
Conditions
Perennial Allergic Rhinitis
Interventions
Placebo Nasal Aerosol, Prednisone capsules, Placebo Prednisone Capsules, Beclomethasone dipropionate
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
12 Years to 45 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
North Dartmouth, Massachusetts • New Braunfels, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 3, 2012 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 4 Interventional Results available

Fluticasone Furoate Nasal Spray Versus Oral Fexofenadine

NCT00435461
View directory record Official record
Conditions
Rhinitis, Allergic, Seasonal
Interventions
Fluticasone furoate and fexofenadine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
6
States / cities
Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2018 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Olopatadine HCl Nasal Spray in 6-11 Year Old Patients

NCT00578929
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Olopatadine Hydrochloride Nasal Spray 0.6%, Vehicle
Drug
Lead sponsor
Alcon Research
Industry
Eligibility
6 Years to 11 Years
Enrollment
2,388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Kenilworth, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 1, 2010 · Synced Sep 9, 2026, 6:11 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 16, 2020 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 3 Interventional Results available

Efficacy Study of Sublingual Immunotherapy to Treat Ragweed Allergies

NCT00599872
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Standardized Ragweed Allergenic Extract, Placebo
Biological
Lead sponsor
Greer Laboratories
Industry
Eligibility
18 Years to 50 Years
Enrollment
430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
30
States / cities
Normal, Illinois • Evansville, Indiana • Iowa City, Iowa + 23 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2015 · Synced Sep 9, 2026, 6:11 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 4, 2020 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 3 Interventional

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

NCT01368445
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
azelastine hydrochloride 0.15% Nasal Spray, azelastine hydrochloride 0.15% and Placebo, Azelastine 0.1%, Nasal Spray
Drug
Lead sponsor
Meda Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
617 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
30
States / cities
Fountain Valley, California • Long Beach, California • Los Angeles, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2011 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 2 Interventional Results available

Bepotastine Besilate Nasal Sprays in the Treatment of Seasonal Allergic Rhinitis (SAR)

NCT01753739
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Bepotastine besilate, Placebo
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
12 Years and older
Enrollment
617 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced Sep 9, 2026, 6:11 AM EDT
Completed No phase listed Observational

Effectiveness of Beclomethasone Dipropionate Nasal Aerosol for Perennial Allergic Rhinitis

NCT01632540
View directory record Official record
Conditions
Perennial Allergic Rhinitis (PAR)
Interventions
Beclomethasone Dipropionate (BDP) Nasal Aerosol
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
12 Years and older
Enrollment
824 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
46
States / cities
Little Rock, Alaska • Phoenix, Arizona • Encinitas, California + 39 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2014 · Synced Sep 9, 2026, 6:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pollutant Altered Allergic Responses

NCT00011440
View directory record Official record
Conditions
Allergic Rhinitis, Allergy
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 22, 2006 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 4 Interventional

Investigation of the Efficacy and Safety of Concomitant Administration of Ciclesonide Nasal Spray and Azelastine Nasal Spray in Patients (18 Years or Older) With Perennial Allergic Rhinitis (PAR) Not Adequately Controlled on an Intranasal Corticosteroid or Antihistamine Monotherapy (BY9010/M1-490)

NCT00806754
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
Ciclesonide nasal spray + placebo Azelastine, Ciclesonide nasal spray + Azelastine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
35
States / cities
Encinitas, California • Los Angeles, California • Mission Viejo, California + 32 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Sep 9, 2026, 6:11 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 2, 2013 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Broccoli Sprout Extract on Allergy Rhinitis

NCT02885025
View directory record Official record
Conditions
Rhinitis,Allergic
Interventions
Broccoli Sprout Extract, fluticasone nasal, broccoli sprout extract placebo, normal saline nasal spray
Dietary Supplement · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 4 Interventional Results available

Safety of Astepro 0.15% Nasal Spray and Astepro 0.1% Nasal Spray in Children Ages >6 Months to <6 Years With AR

NCT01880840
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
205.5 mcg of azelastine hydrochloride, 137 mcg of azelastine hydrochloride
Drug
Lead sponsor
Meda Pharmaceuticals
Industry
Eligibility
6 Months to 5 Years
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
14
States / cities
Birmingham, Alabama • Little Rock, Alaska • Costa Mesa, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2015 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Phase 1, Randomized, Placebo-controlled, Dose-escalation Safety Study of MEDI4212 in Subjects With IgE >= 30 IU/mL

NCT01544348
View directory record Official record
Conditions
Allergic Asthma, Atopic Dermatitis, Allergic Rhinitis, Healthy Volunteers
Interventions
Placebo, Omalizumab, MEDI4212 5 mg Subcutaneous, MEDI4212 15 mg Subcutaneous, MEDI4212 60 mg Subcutaneous, MEDI4212 150 mg Subcutaneous, MEDI4212 300 mg Subcutaneous, MEDI4212 300 mg Intravenous
Other · Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
7
States / cities
Cypress, California • Glendale, California • Denver, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2014 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Levocetirizine Effect on Nasal Nitric Oxide and Nasal Eosinophils in Subjects With Perennial Allergic Rhinitis

NCT00894231
View directory record Official record
Conditions
Perennial Allergic Rhinitis
Interventions
levocetirizine (Xyzal), placebo
Drug
Lead sponsor
AAADRS Clinical Research Center
Other
Eligibility
12 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Sep 3, 2009 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 4 Interventional Results available

A Clinical Study With Fluticasone Furoate Nasal Spray And Vehicle Placebo For The Treatment Of Perennial (Year-round) Allergic Rhinitis

NCT00682643
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
fluticasone furoate nasal spray, vehicle placebo nasal spray
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
56
States / cities
Oxford, Alabama • Little Rock, Arkansas • Fresno, California + 49 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Sep 9, 2026, 6:11 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 27, 2014 · Synced Sep 9, 2026, 6:11 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of TOLAMBA™ in Ragweed-Allergic Adults

NCT00387738
View directory record Official record
Conditions
Rhinitis, Allergic, Seasonal
Interventions
Amb a 1 immunostimulatory oligodeoxyribonucleotide conjugate, Histamine base
Biological
Lead sponsor
Dynavax Technologies Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
738 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
28
States / cities
Oxford, Alabama • Stockbridge, Georgia • Normal, Illinois + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Sep 9, 2026, 6:11 AM EDT
Terminated Phase 2 Interventional

Exploratory Study for Allergy Relief Onset

NCT02722083
View directory record Official record
Conditions
Rhinitis, Allergic
Interventions
Chlorpheniramine maleate (BAY X002134), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Germantown, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 9, 2026, 6:11 AM EDT
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 9, 2017 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 3 Interventional

Trial of STAHIST in Seasonal Allergic Rhinitis

NCT01293201
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
STAHIST, Placebo
Drug
Lead sponsor
Magna Pharmaceuticals, Inc.
Industry
Eligibility
12 Years to 60 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
8
States / cities
Stockbridge, Georgia • South Bend, Indiana • Louisville, Kentucky + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Sep 9, 2026, 6:11 AM EDT
Not listed Phase 4 Interventional

Singulair Use in Non-Allergic Rhinitis Eosinophil Syndrome (NARES)

NCT00406094
View directory record Official record
Conditions
Rhinitis
Interventions
montelukast, placebo
Drug
Lead sponsor
Bernstein, Jonathan A., M.D.
Individual
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 15, 2009 · Synced Sep 9, 2026, 6:11 AM EDT
Completed Phase 2Phase 3 Interventional Results available

An Exploratory Study of PQ Grass 27600 SU

NCT04687059
View directory record Official record
Conditions
Rhinitis, Allergic, Seasonal
Interventions
PQ Grass, Active Placebo, Standard Placebo
Biological · Drug
Lead sponsor
Allergy Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
8
States / cities
Lexington, Kentucky • White Marsh, Maryland • Ocean Township, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 9, 2026, 6:11 AM EDT