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ClinicalTrials.gov public records Last synced Oct 5, 2026, 1:48 PM EDT

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Showing 25–48 of 128 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Rhinitis, Allergic, Seasonal Clear all
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Ciclesonide Nasal Aerosol in Subjects 6-11 Years With Seasonal Allergic Rhinitis (SAR)

NCT01458275
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Ciclesonide nasal aerosol 37 mcg, ciclesonide nasal aerosol 74 mcg, Placebo
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
6 Years to 11 Years
Enrollment
847 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
66
States / cities
Little Rock, Arkansas • Baldwin Park, California • Costa Mesa, California + 49 more
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced Oct 5, 2026, 1:48 PM 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Withdrawn Phase 1 Interventional Accepts healthy volunteers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 5, 2026, 1:48 PM EDT
Completed No phase listed Observational

Pilot Study of Allergy Immunotherapy and Prevention of Viral Respiratory Infections

NCT00405899
View directory record Official record
Conditions
Allergy, Seasonal Allergic Rhinitis, Perennial Allergic Rhinitis
Interventions
Not listed
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
6 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 31, 2010 · Synced Oct 5, 2026, 1:48 PM 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 5, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Trial of Dymista Nasal Spray in Children Ages 4 to 11 With Seasonal Allergic Rhinitis (SAR)

NCT01915823
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
azelastine hydrochloride and fluticasone propionate, Dymista vehicle
Drug
Lead sponsor
Meda Pharmaceuticals
Industry
Eligibility
4 Years to 11 Years
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
31
States / cities
Birmingham, Alabama • Little Rock, Alaska • Atlanta, Georgia + 24 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2015 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 4 Interventional Results available

Comparator Study Evaluating Patient Experience And Preference Of FFNS vs. FPNS

NCT00519636
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
FPNS, FFNS, placebo FFNS, placebo FPNS
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
28
States / cities
Birmingham, Alabama • Phoenix, Arizona • Long Beach, California + 20 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2016 · Synced Oct 5, 2026, 1:48 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 5, 2026, 1:48 PM 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 5, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Assessment of Fluticasone Propionate on Ocular Allergy Symptoms

NCT01817790
View directory record Official record
Conditions
Allergic Rhinitis, Seasonal Allergic Rhinitis
Interventions
Fluticasone propionate, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
626 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 3, 2014 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 2 Interventional Results available

Texan Allergy & Sinus Center Mountain Cedar Intra-Lymphatic Immunotherapy Study

NCT03682965
View directory record Official record
Conditions
Allergic Rhinitis Due to Tree Pollen, Allergic Conjunctivitis, Allergic Rhinoconjunctivitis
Interventions
Intra-lymphatic allergenic extract, Intra-lymphatic placebo
Biological
Lead sponsor
Christopher Thompson, MD
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
3
States / cities
Austin, Texas • Grapevine, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Oct 5, 2026, 1:48 PM 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 5, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Results available

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

NCT00883168
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Placebo, azelastineHcl, fluticasone propionate, azelastine Hcl/fluticasone propionate
Drug
Lead sponsor
Meda Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
1,791 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
45
States / cities
Scottsdale, Arizona • Encinitas, California • Fountain Valley, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Results available

Clinical Equivalence Study of Mometasone Nasal Spray

NCT01850823
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
placebo, Mometasone nasal spray
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
12 Years and older
Enrollment
880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
25
States / cities
Stockbridge, Georgia • Louisville, Kentucky • Bethesda, Maryland + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2020 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Biomarker-based Cockroach Sublingual Immunotherapy Study (BioCSI)

NCT00829985
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial, Asthma
Interventions
Glycerinated German Cockroach Allergenic Extract, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
4
States / cities
Denver, Colorado • Chicago, Illinois • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Oct 5, 2026, 1:48 PM 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 2, 2011 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Results available

Safety Study of Levocetirizine Dihydrochloride Oral Liquid Formulation in Children Aged 1 to Less Than 6 Years Suffering From Allergic Rhinitis or Chronic Urticaria of Unknown Origin

NCT00619801
View directory record Official record
Conditions
Allergic Rhinitis, Chronic Urticaria
Interventions
Levocetirizine, Placebo
Drug
Lead sponsor
UCB Pharma
Industry
Eligibility
2 Years to 6 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
28
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Beverly Hills, California + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2015 · Synced Oct 5, 2026, 1:48 PM 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 29, 2026 · Synced Oct 5, 2026, 1:48 PM 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 5, 2020 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 4 Interventional Results available

A Comparator Study of Fluticasone Propionate Nasal Spray Verses (vs) Cetirizine in the Treatment of Seasonal Allergic Rhinitis

NCT01916226
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial and Seasonal
Interventions
FPNS, FPNS Placebo, Cetirizine, Cetirizine Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
682 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
31
States / cities
Little Rock, Arkansas • Denver, Colorado • Aventura, Florida + 27 more
Source: ClinicalTrials.gov public record
Updated Jun 20, 2018 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 1 Interventional

A Study of Tolerability and Safety of Two New Doses of Grass MATA MPL

NCT02557633
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Grass MATA MPL 10200, Grass MATA MPL 18200, Placebo
Biological
Lead sponsor
Allergy Therapeutics
Industry
Eligibility
18 Years to 50 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Neptune City, New Jersey • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 3 Interventional

A Trial of Grazax in Subjects With Hayfever

NCT00421655
View directory record Official record
Conditions
Allergy
Interventions
Grazax
Drug
Lead sponsor
ALK-Abelló A/S
Industry
Eligibility
18 Years to 65 Years
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 24, 2015 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study to Assess the Safety, Tolerability, and Preliminary Efficacy of B244 in Healthy Volunteers and Subjects With Seasonal Allergic Rhinitis

NCT03290248
View directory record Official record
Conditions
Allergic Rhinitis, Allergic Rhinitis Due to Grass Pollen, Healthy Volunteers
Interventions
B244 suspension, Vehicle
Biological
Lead sponsor
AOBiome LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tustin, California
Source: ClinicalTrials.gov public record
Updated Nov 25, 2022 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 2 Interventional

DNA Vaccine for Ragweed Allergic Adults

NCT00346086
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
AIC (Amb a 1 Immunostimulatory Conjugate)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 13, 2018 · Synced Oct 5, 2026, 1:48 PM EDT
Completed Phase 3 Interventional

Safety and Effectiveness of Ciclesonide Nasal Spray in Patients With Perennial Allergic Rhinitis During One Year Treatment (BY9010/M1-404)

NCT00163501
View directory record Official record
Conditions
Perennial Allergic Rhinitis, Allergic Rhinitis, Hay Fever
Interventions
Ciclesonide
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
41
States / cities
Encinitas, California • Huntington Beach, California • Long Beach, California + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Oct 5, 2026, 1:48 PM EDT