About this trial
In this prospective, Phase 2, randomized, double-masked, vehicle controlled study, approximately 60 eligible subjects will be randomized 1:1 to receive either TL-925 or placebo as topical ophthalmic eye drops administered bilaterally.
The study comprises of a screening and treatment period using the conjunctival allergen challenge model to evaluate TL-925 for the treatment of allergic conjunctivitis.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Individuals aged 18 years or older
Female subjects of childbearing potential and their male partners must both use a highly effective contraception method during the study.
Documented history of ocular allergies and a positive skin test reaction to a seasonal (grass, ragweed, tree pollen) or perennial (cat dander, dog dander, dust mites, cockroach) allergen as confirmed by an allergic skin test conducted at Visit 1 or within the past 60 months.
Calculated best-corrected visual activity
Disqualifiers
Any systemic or ocular disease currently producing ocular redness and/or ocular discomfort, or that may interfere with the conduct of the study.
Any ocular surgical intervention within the last 3 months OR refractive surgery within the last 6 months
Any ongoing ocular infection (bacterial, viral or fungal)
Trial design
Parallel
Treatments tested in this trial
TL-925
DrugTL-925 is an eye drop.
Placebo
DrugThe composition of the placebo is identical to the active formulation except for the exclusion of the active ingredient.
Treatment groups
Trial outcomes
Primary outcomes
Ocular Itching
Ocular itching score will be reported by the subject at 3 timepoints after CAC at Visits 4d , 5d, and 6c.
Conjunctival Redness
Conjunctival redness score will be evaluated by the investigator at 3 timepoints after CAC at Visits 4d, 5d, and 6c.
Sponsors and contacts
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