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Seasonal Allergic Rhinitis: later-stage trial registry
A small indexed set (17 trials) with no open enrollment listed right now.
Corpus placement: #1,004 of 28,707 conditions by registered trial count.
17 US clinical trials · none currently recruiting · #1,004 of 28,707 conditions by registered trial count
Seasonal Allergic Rhinitis: 17 US clinical trials tracked, none currently recruiting.
Seasonal Allergic Rhinitis is the subject of 17 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 12 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is Alcon Research, running 3 of these trials.
Enrollment posture brief
Registry condition seasonal-allergic-rhinitis
OPEN 0 | RECR 0% | LATE 12 | EARLY 4 | RANK #1004 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Seasonal Allergic Rhinitis has no open enrollment in this registry pull (17 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Seasonal Allergic Rhinitis on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Seasonal Allergic Rhinitis is recruiting below its size-band peers.
0 of 17 indexed trials (0%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Seasonal Allergic Rhinitis research.
Alcon Research accounts for 3 of 17 trials (17.6%). 14 distinct sponsors appear on at least one study for this condition label.
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Typical Seasonal Allergic Rhinitis enrolment sits around 596 participants.
Median target enrolment is 596 among the 17 trials that report a genuine target (sentinel values excluded). 2 of those (11.8%) plan for fewer than 100 participants.
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Seasonal Allergic Rhinitis research is mostly interventional.
16 interventional and 1 observational studies make up this index (94.1% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Indexed trials (enrollment closed)
17 total, page 1 of 1
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
Named interventions
Most-linked intervention names on Seasonal Allergic Rhinitis records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Seasonal Allergic Rhinitis trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Seasonal Allergic Rhinitis page
17 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Seasonal Allergic Rhinitis trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Alcon Research sponsors the most Seasonal Allergic Rhinitis trials on record, review their full trial history before evaluating a specific study. See Alcon Research's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Seasonal Allergic Rhinitis condition card totals 17 registered trials; most-linked intervention placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.