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Effectiveness of PR013 Topical Ophthalmic Drops Compared to Vehicle for the Treatment of Allergic Conjunctivitis

Effectiveness of PR013 Topical Ophthalmic Drops Compared to Vehicle of PR013 Topical Ophthalmic Drops for the Treatment of Allergic Conjunctivitis Using Conjunctival Allergen Challenge Model (Ora-CAC®)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03368339
Enrollment
96
Registered
2017-12-11
Start date
2017-12-10
Completion date
2018-01-28
Last updated
2020-01-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Allergic Conjunctivitis

Brief summary

To evaluate the efficacy and safety of PR013 topical ophthalmic drops (0.045% and 0.06%) compared to vehicle for the treatment of the signs and symptoms of allergic conjunctivitis using a modified Conjunctival Allergen Challenge Model (Ora-CAC®).

Detailed description

A Multi-Center, Double-Masked, Randomized, Phase 2 Evaluation of the Effectiveness of PR013 Topical Ophthalmic Drops (0.045% and 0.06%) Compared to Vehicle of PR013 Topical Ophthalmic Drops for the Treatment of Allergic Conjunctivitis Using a Modified Conjunctival Allergen Challenge Model (Ora-CAC®)

Interventions

DRUGPR013 (0.045%)

PR013 topical Ophthalmic Drops (0.045%)

DRUGPR013 (0.06%)

PR013 topical Ophthalmic Drops (0.06%)

DRUGVehicle

Vehicle

Sponsors

Realm Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Masking description

Double-Masked

Eligibility

Sex/Gender
ALL
Age
10 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* be at least 10 years of age of either sex and any race * have a positive history of ocular allergies and a positive skin test reaction to a perennial allergen (cat dander, dog dander, dust mites, cockroaches) and a seasonal allergen (trees, grasses, and/or ragweed) as confirmed by an allergic skin test within the past 24 months. * have a calculated visual acuity of 0.7 logMAR or better in each eye as measured using an Early Treatment Diabetic Retinopathy Study (ETDRS) chart

Exclusion criteria

* have known contraindications or sensitivities to the use of the investigational product or any of its components * have any ocular condition that, in the opinion of the investigator, could affect the subject's safety or trial parameters (including but not limited to narrow angle glaucoma, clinically significant blepharitis, follicular conjunctivitis, iritis, pterygium or a diagnosis of dry eye) * have had ocular surgical intervention within 3 months prior to Visit 1 or during the study and/or a history of refractive surgery within the past 6 months * have a known history of retinal detachment, diabetic retinopathy, or active retinal disease * have the presence of an active ocular infection (bacterial, viral or fungal) or positive history of an ocular herpetic infection at any visit * use any of the disallowed medications\* during the period indicated prior to Visit 1 and during the study * have any significant illness (e.g. any autoimmune disease requiring therapy, severe cardiovascular disease \[including arrhythmias\] the investigator feels could be expected to interfere with the subject's health or with the study parameters and/or put the subject at any unnecessary risk (includes but is not limited to: poorly controlled hypertension or poorly controlled diabetes, a history of status asthmaticus, organ transplants, a known history of persistent moderate or severe asthma, or a known history of moderate to severe allergic asthmatic reactions to any of the study allergens; * have planned surgery (ocular or systemic) during the trial period or within 30 days after; * have used an investigational drug or medical device within 30 days of the study or be concurrently enrolled in another investigational product trial; * be a female who is currently pregnant, planning a pregnancy, or lactating

Design outcomes

Primary

MeasureTime frameDescription
Ocular itching evaluated by the subject[Time Frame: Efficacy assessment period (Day 7 through Day 8)]The method of assessment for this outcome is the Ora Calibra(TM) Conjunctival Allergen Challenge Ocular Itching Scale
Conjunctival redness evaluated by the Investigator[Time Frame: Efficacy assessment period (Day 7 through Day 8)]Ora Calibra(TM) Ocular Hyperemia Scale

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026