Clinical trial

A Multi-Center, Double-Masked, Randomized, Vehicle and Active Controlled Evaluation of the Onset and Duration of Action of KetoNaph Ophthalmic Solution in the Conjunctival Allergen Challenge Model of Acute Allergic Conjunctivitis

Name
571
Description
The purpose of this study is to establish the safety and efficacy of ketotifen/naphazoline ophthalmic solution compared to vehicle and its individual components in alleviating the signs and symptoms of conjunctival allergen challenge (CAC)-induced allergic conjunctivitis.
Trial arms
Trial start
2008-10-01
Estimated PCD
2008-12-01
Trial end
2009-06-01
Status
Completed
Phase
Early phase I
Treatment
Ketotifen/naphazoline
One drop of ketotifen/naphazoline in study eye at visit 3 and visit 4.
Arms:
KetoNaph
Ketotifen
One drop of Ketotifen in study eye at visit 3 and visit 4.
Arms:
Ketotifen
Naphazoline
One drop of naphazoline in study eye at vist 3 and visit 4.
Arms:
Naphazoline
Vehicle
One drop of vehicle in study eye at visit 3 and visit 4.
Arms:
Vehicle
Size
144
Primary endpoint
Ocular Itching
3, 5, and 7 minutes post challenge at 14 days
Conjunctival Hyperemia
7, 15, and 20 minutes post challenge at 14 days
Eligibility criteria
Inclusion Criteria: * Positive history of ocular allergies and positive skin test reaction to cat hair, cat dander, grasses, ragweed, and/or trees within the past 24 months. * Calculated best-corrected visual acuity of 0.7 logMAR or better in each eye as measured using the ETDRS chart. * Positive bilateral conjunctival allergen challenge(CAC)reaction within 10 minutes of instillation of the last titration of allergen at visit 1. * Positive bilateral CAC reaction in at least 2 out of 3 time points at visit 2. Exclusion Criteria: * Known contraindications or sensitivities to the study medication or its components. * Any ocular condition that, in the opinion of the investigator, could affect the subjects safety or trial parameters. * Use of disallowed medications during the period indicated prior to study enrollment or during the study.
Protocol
{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE3'], 'designInfo': {'allocation': 'RANDOMIZED', 'interventionModel': 'PARALLEL', 'primaryPurpose': 'TREATMENT', 'maskingInfo': {'masking': 'DOUBLE', 'whoMasked': ['PARTICIPANT', 'INVESTIGATOR']}}, 'enrollmentInfo': {'count': 144, 'type': 'ACTUAL'}}
Updated at
2024-04-03

1 organization

4 products

1 indication

Product
Ketotifen
Organization
Bausch & Lomb
Product
Vehicle