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Seasonal Allergic Rhinitis clinical trials
Every US clinical trial registered for Seasonal Allergic Rhinitis — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.
17 US clinical trials ·
The research picture
Seasonal Allergic Rhinitis has 17 registered US clinical trials; none are currently listed as recruiting, so most are completed or in follow-up.
- 0
- recruiting participants now
- 0%
- of trials open to enrollment
- 12
- in Phase 3–4 (later-stage)
- 3
- top sponsor: Alcon Research
Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.
Active & Recent Trials
Safety and Efficacy of Olopatadine HCl Nasal Spray in 6-11 Year Old Patients
Alcon Research
NCT00578929
Efficacy and Safety of Fixed Dose Combination GSP 301 Nasal Spray (NS) in the Treatment of Seasonal Allergic Rhinitis (SAR)
Glenmark Specialty S.A.
NCT02631551
Single-Center, Double-Blind, Randomized , Parallel Study Comparing Onset of Action, Efficacy & Safety of a Single-Dose of Fexofenadine HCl 180 mg vs Montelukast Na 10 mg & Placebo in Treating Seasonal Allergic Rhinitis Subjects in an Allergen Exposure Unit
Sanofi
NCT00637611
A Safety and Efficacy Study of Ciclesonide Nasal Aerosol in Subjects 6-11 Years With Seasonal Allergic Rhinitis (SAR)
Sumitomo Pharma America
NCT01458275
A Study Evaluating the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies
Meda Pharmaceuticals
NCT00740792
Study of an Investigational Nasal Aerosol or Placebo Nasal Aerosol in Children (Ages 6-11) With Seasonal Allergies
Teva Branded Pharmaceutical Products R&D
NCT01307319
Safety and Efficacy of Ciclesonide in Pediatric Patients (6 to 11 Years of Age) With Seasonal Allergic Rhinitis (BY9010/M1-417)
AstraZeneca
NCT00305487
Safety and Efficacy of Bepotastine Besilate Nasal Spray in the Treatment of Seasonal Allergic Rhinitis
Bausch & Lomb Incorporated
NCT01277341
A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis
UCB Pharma
NCT00621959
A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis
UCB Pharma
NCT00653224
Study of ACT-129968 in Adult Patients With Seasonal Allergic Rhinitis
Idorsia Pharmaceuticals
NCT01241214
Dose Selection Study of Efficacy and Safety of Different Doses of Grass MATA MPL and Grass MATA Using mEECs™
Allergy Therapeutics
NCT02582073
Comparison of Seasonal Allergic Rhinitis Treatment With 2 Antihistamines Used in Combination With Intranasal Corticosteroid
Alcon Research
NCT00845195
Comparison of Olopatadine 0.6% and Fluticasone Proprionate 50mcg Nasal Sprays in a Two Week Seasonal Allergic Rhinitis Trial
Alcon Research
NCT00691665
Clinical Trial of STAHIST in Seasonal Allergic Rhinitis (SAR) Subjects
Magna Pharmaceuticals
NCT01171664
Biomarkers in Nasal Samples of Seasonal Allergic Rhinitics
University of North Carolina, Chapel Hill
NCT04670627
Intranasal Steroids and the Nasal Ocular Response
University of Chicago
NCT00473915
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 4 |
| Phase 3 | 6 |
| Phase 4 | 6 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Reading the Seasonal Allergic Rhinitis Trial Landscape
ClinicalTrials.gov lists 17 US studies indexed under Seasonal Allergic Rhinitis, and 0 of those are currently open to recruitment — roughly 0% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.
The phase distribution for Seasonal Allergic Rhinitis shows 12 late-stage studies (Phase 3 and Phase 4 combined) alongside 4 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.
Top sponsor activity for Seasonal Allergic Rhinitis is led by Alcon Research with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 17 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.
Frequently Asked Questions
How many clinical trials are there for Seasonal Allergic Rhinitis?
PlainTrial tracks 17 US clinical trials for Seasonal Allergic Rhinitis, of which 0 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Seasonal Allergic Rhinitis?
Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.
Is this data current?
Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.
Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.