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Showing 1–24 of 95 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Atopic Conjunctivitis Clear all
Completed Phase 2 Interventional

Evaluation of the Onset and Duration of Action of RX-10045 in Allergic Conjunctivitis

NCT01639846
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
RX-10045, Vehicle for RX-10045 arm
Drug
Lead sponsor
C.T. Development America, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 7, 2013 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 4 Interventional

A Study Comparing the Efficacy of Pataday® Once Daily Relief Extra Strength to Claritin® Tablets 24-Hour in Subjects With Allergic Conjunctivitis

NCT05265910
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
olopatadine hydrochloride ophthalmic solution 0.7%, loratadine 10 mg, Tears Naturale, Placebo
Drug
Lead sponsor
Andover Research Eye Institute
Industry
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Bepotastine Besilate Ophthalmic Solution in Seasonal Allergic Conjunctivitis Patients

NCT01174823
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
bepotastine besilate ophthalmic solution, placebo comparator ophthalmic solution
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
12 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2020 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 3 Interventional

Evaluation of Efficacy and Safety of an Anti-Allergy Drug With a Contact Lens in the Treatment of Allergic Conjunctivitis

NCT00445874
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Ketotifen with a Contact Lens (no generic name)
Drug
Lead sponsor
Vistakon Pharmaceuticals
Industry
Eligibility
8 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
7
States / cities
Phoenix, Arizona • Irvine, California • North Andover, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2009 · Synced Jul 22, 2026, 9:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Patient Reported Ocular Comfort Assessment Comparing Bepreve to Lastacaft

NCT01339507
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Not listed
Lead sponsor
Cunningham, Derek N., O.D., P.A.
Individual
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2016 · Synced Jul 22, 2026, 9:13 AM EDT
Not listed Phase 1 Interventional

Airway Immune Response to Allergens (Use Lay Language Here)

NCT04619017
View directory record Official record
Conditions
Allergic Asthma, Allergy to Cats, Allergy to Dust Mites, Allergic Rhinitis, Allergic Conjunctivitis
Interventions
Segmental allergen challenge
Biological
Lead sponsor
JOSALYN CHO
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Iowa City, Iowa • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety Study of a Contact Lens With Ketotifen in Healthy, Normal Volunteers

NCT00889252
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
contact lens with ketotifen, contact lens
Device
Lead sponsor
Vistakon Pharmaceuticals
Industry
Eligibility
8 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Results available

Ketotifen/Naphazoline Ophthalmic Solution in the Conjunctival Allergen Challenge Model of Acute Allergic Conjunctivitis.

NCT00770133
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Ketotifen/naphazoline, Naphazoline, Ketotifen, Vehicle
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
6 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
North Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 26, 2020 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 2 Interventional

Efficacy, Safety and PK of Once or Twice Daily Bilastine (10 or 20 mg) Compared With Placebo in the Symptomatic Treatment of SAR

NCT00574379
View directory record Official record
Conditions
Seasonal Allergic Rhinitis, Hay Fever, Allergic Conjunctivitis, Hypersensitivity
Interventions
Bilastine, Placebo
Drug
Lead sponsor
Faes Farma, S.A.
Industry
Eligibility
12 Years and older
Enrollment
805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
13
States / cities
Oklahoma City, Oklahoma • Austin, Texas • Kerrville, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 4 Interventional Results available

Assessing the Efficacy of Maxidex® and Patanol® for the Treatment of Allergic Conjunctivitis

NCT01119287
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Dexamethasone 0.1% ophthalmic suspension, Olopatadine hydrochloride 0.1% ophthalmic solution, Inactive ingredients, used as placebo
Drug · Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 64 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2014 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Results available

Ketotifen/Naphazoline Ophthalmic Solution in the Conjunctival Allergen Challenge Model of Allergic Conjunctivitis.

NCT00769886
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Ketotifen/naphazoline, Ketotifen, Naphazoline, Vehicle
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
6 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
North Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Jul 22, 2026, 9:13 AM 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 19, 2021 · Synced Jul 22, 2026, 9:13 AM EDT
Completed No phase listed Observational

A Pilot Study Evaluating the Signs and Symptoms of Seasonal Allergic Rhinoconjunctivitis Following Exposure in the Allergen BioCube

NCT00985075
View directory record Official record
Conditions
Allergic Rhinoconjunctivitis
Interventions
Not listed
Lead sponsor
ORA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 27, 2009 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 4 Interventional Results available

Confocal Analysis of Corneal Structures of Symptomatic Allergic Conjunctivitis Patients

NCT01697969
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Olopatadine hydrochloride ophthalmic solution, 0.2%
Drug
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 17, 2014 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Olopatadine on Allergic Tear Mediators

NCT00609128
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
olopatadine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Results available

A Multi-Center Study Evaluating the Onset and Duration of Action of AC-170 0.24% Compared to Vehicle in the Conjunctival Allergen Challenge (CAC)

NCT01551056
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
AC-170 0.24%, AC-170 0%
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
10 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Results available

A Single-Center, Phase 2 Study Evaluating Bilastine Ophthalmic Solution in the CAC® Model

NCT03231969
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Bilastine 0.2%, Bilastine 0.4%, Bilastine 0.6%, Bilastine 0%
Drug
Lead sponsor
Faes Farma, S.A.
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Jul 22, 2026, 9:13 AM EDT
Withdrawn Phase 4 Interventional

Manuka Eye Droops for Treatment of Allergy

NCT03862053
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Manuka honey
Drug
Lead sponsor
Toyos Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Germantown, Tennessee • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of AC-150 for the Treatment of Allergic Conjunctivitis in the Enviro-CAC™ Model

NCT01134328
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
AC-150 Combo, AC-150A 0.1%, AC-150B 0.005%, Vehicle
Drug
Lead sponsor
Aciex Therapeutics, Inc.
Industry
Eligibility
10 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate the Efficacy of Lastacaft® Compared to Pataday™ and Placebo in Patients With Acute Allergic Conjunctivitis

NCT01732757
View directory record Official record
Conditions
Conjunctivitis, Allergic
Interventions
Alcaftadine 0.25%, Olopatadine 0.2%, dextran 70 0.1%/hydroxypropyl methylcellulose 0.3%
Drug
Lead sponsor
Allergan
Industry
Eligibility
10 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 13, 2014 · Synced Jul 22, 2026, 9:13 AM EDT
Not listed Phase 4 Interventional

Ocular Allergy Treatment Practical Impact Trial

NCT01808768
View directory record Official record
Conditions
Allergic Conjunctivitis, Rhinoconjunctivitis
Interventions
Alcaftadine
Drug
Lead sponsor
Starx Research Center, LLC
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
2
States / cities
Edison, New Jersey • Springfield, New Jersey
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of the Effectiveness of ST266 Ophthalmic Drops Compared to Placebo to Treat Allergic Conjunctivitis

NCT02978183
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
ST266, Saline (0.9% NaCl)
Biological · Drug
Lead sponsor
Noveome Biotherapeutics, formerly Stemnion
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Andover, Massachusetts • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 9, 2023 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of Intracanalicular Dexamethasone Compared to Loteprednol Etabonate in Patients With Keratoconus

NCT04418999
View directory record Official record
Conditions
Keratoconus, Dry Eye, Allergy
Interventions
dexamethasone ophthalmic insert 0.4 mg, for intracanalicular use, Loteprednol Etabonate 0.38% Ophthalmic Gel/Jelly
Drug
Lead sponsor
Illinois College of Optometry
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Results available

A Single-Center Evaluation of the Relative Efficacy of EM-100 Compared to Zaditor® (Ketotifen Fumarate Ophthalmic Solution 0.035%) and Vehicle

NCT03489941
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
EM-100, Zaditor®, Vehicle
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Jul 22, 2026, 9:13 AM EDT