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Allergic Conjunctivitis clinical trials
Every US clinical trial registered for Allergic Conjunctivitis — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.
21 US clinical trials · 3 currently recruiting
The research picture
Allergic Conjunctivitis has 21 registered US clinical trials, 3 of them open to new participants right now — about 14% of the total.
- 3
- recruiting participants now
- 14%
- of trials open to enrollment
- 12
- in Phase 3–4 (later-stage)
- 4
- top sponsor: ORA
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
Study of Bet v1 Antibodies Effect on Eye Allergy Symptoms in Adolescents and Adults With Birch Pollen Allergy
Regeneron Pharmaceuticals
NCT07309432
Evaluation of TL-925 for the Treatment of Allergic Conjunctivitis
Telios Pharma
NCT06686472
Evaluation of TL-925 for the Treatment of Seasonal Allergic Conjunctivitis
Telios Pharma
NCT07220408
Evaluation of the Safety and Pharmacokinetics of Brimonidine Tartrate 0.025%/Ketotifen Fumarate 0.035% Combination Ophthalmic Solution
Bausch & Lomb Incorporated
NCT05815758
ALLEVIATE Trial - A Phase 3 Trial in Subjects With Allergic Conjunctivitis
Aldeyra Therapeutics
NCT03494504
Assessing the Efficacy of Maxidex® and Patanol® for the Treatment of Allergic Conjunctivitis
Alcon Research
NCT01119287
Evaluation of Efficacy of Coadministration of FOV1101-00 and Prednisolone Acetate in Patients With Mild Ongoing Ocular Allergic Inflammation
Fovea Pharmaceuticals
NCT00833495
Ketotifen/Naphazoline Ophthalmic Solution in the Conjunctival Allergen Challenge Model of Acute Allergic Conjunctivitis.
Bausch & Lomb Incorporated
NCT00770133
Effect of Different Concentrations of SPARC1102 on Allergic Conjunctivitis
Sun Pharma Advanced Research Company Limited
NCT01320553
Study Evaluating the Efficacy and Safety of PRT-2761 for the Treatment of Acute and Chronic Allergic Conjunctivitis
ORA
NCT03320434
Evaluation of Efficacy of Ophthalmic Solution in Induced Allergic Conjunctivitis
Vistakon Pharmaceuticals
NCT00244543
A Multi-Center, Evaluation of the Onset and Duration of Action of AC-170 0.24% Compared to Vehicle
Aciex Therapeutics
NCT01881113
Loteprednol Ophthalmic Base Compared to Loteprednol Ophthalmic Suspension vs Placebo in an Allergen Challenge
Bausch & Lomb Incorporated
NCT01107405
Effectiveness of PR013 Topical Ophthalmic Drops Compared to Vehicle for the Treatment of Allergic Conjunctivitis
Realm Therapeutics
NCT03368339
An Evaluation of the Onset and Duration of Action of AKF-1 Ophthalmic Solution in Treating Acute Allergic Conjunctivitis
Akorn
NCT01561521
A Study Comparing the Efficacy of Pataday® Once Daily Relief Extra Strength to Claritin® Tablets 24-Hour in Subjects With Allergic Conjunctivitis
Andover Research Eye Institute
NCT05265910
Evaluation of the Efficacy of Topical Ophthalmic Steroids in a Modified Conjunctival Allergen Challenge (CAC) Model
ORA
NCT00689078
A Single-Center Evaluation of the Pattern of Allergic Signs and Symptoms During 4 Weeks in Ragweed Season
ORA
NCT00982163
Effect of Olopatadine on Allergic Tear Mediators
University of Wisconsin, Madison
NCT00609128
Assessment of Alcon's Ocular Image Quantification System
Alcon Research
NCT01282138
Evaluation of the Efficacy of Topical Ophthalmic Steroids in a Modified Conjunctival Allergen Challenge (CAC) Model
ORA
NCT01534195
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 7 |
| Phase 3 | 7 |
| Phase 4 | 5 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Reading the Allergic Conjunctivitis Trial Landscape
ClinicalTrials.gov lists 21 US studies indexed under Allergic Conjunctivitis, and 3 of those are currently open to recruitment — roughly 14% 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 Allergic Conjunctivitis shows 12 late-stage studies (Phase 3 and Phase 4 combined) alongside 7 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 Allergic Conjunctivitis is led by ORA with 4 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 21 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 Allergic Conjunctivitis?
PlainTrial tracks 21 US clinical trials for Allergic Conjunctivitis, of which 3 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Allergic Conjunctivitis?
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.