A Study Of TL-925 For The Treatment of AC
A Single Center, Randomized, Double-masked, Vehicle-controlled Phase 2b Study Evaluating the Safety and Efficacy of TL-925 Ophthalmic Emulsion 0.1% Compared to Vehicle for the Treatment of Allergic Conjunctivitis in the Conjunctival Allergen Challenge (Ora CAC®) Model
1 other identifier
interventional
80
1 country
1
Brief Summary
In this prospective, Phase 2, randomized, double-masked, vehicle controlled study, approximately 70 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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Apr 2024
Shorter than P25 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 27, 2024
CompletedFirst Posted
Study publicly available on registry
March 5, 2024
CompletedStudy Start
First participant enrolled
April 11, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 21, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
May 21, 2024
CompletedJuly 3, 2024
July 1, 2024
1 month
February 27, 2024
July 2, 2024
Conditions
Outcome Measures
Primary Outcomes (2)
Ocular Itching
Ocular itching score will be reported by the subject at 3 timepoints after CAC at Visits 4, 5 and 6. Assessments were reported using a 0-4 numerical scale (0 = none and 4 = incapacitating itch with an irresistible urge to rub).
3, 5 and 7 minutes after CAC
Conjunctival Redness
Conjunctival redness score evaluated by the investigator at 3 timepoints after CAC at Visits 4, 5 and 6. Assessments were completed using a 0-4 numerical scale (0 = none and 4 = extremely severe).
7, 15 and 20 minutes after CAC
Study Arms (2)
TL-925 Arm
ACTIVE COMPARATORSubjects will be dosed in clinic and at home.
Placebo Arm
PLACEBO COMPARATORSubjects will be dosed in clinic and at home.
Interventions
Eligibility Criteria
You may qualify if:
- 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 of 0.7 LogMAR or better
- Positive bilateral CAC reaction
You may not qualify if:
- 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)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Andover Eye Associates
Andover, Massachusetts, 01810, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- The sponsor, investigators, and study staff will be masked throughout the study. The study site will have the capacity to unmask in case of emergency. Following completion of the study, the randomization code will be unmasked once all data has been entered into the study database for every subject, and the database has been locked.
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 27, 2024
First Posted
March 5, 2024
Study Start
April 11, 2024
Primary Completion
May 21, 2024
Study Completion
May 21, 2024
Last Updated
July 3, 2024
Record last verified: 2024-07