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Study of Olopatadine HCl Ophthalmic Solutions Compared to Vehicle Using the Conjunctival Allergen Challenge (CAC) Model of Acute Allergic Conjunctivitis in Japanese Subjects

Registration Number
NCT00987272
Lead Sponsor
Alcon Research
Brief Summary

The purpose of the study is to demonstrate safety and efficacy of Olopatadine 0.2% compared to its vehicle in Japanese subjects in the treatment of acute allergen-mediated conjunctivitis using the conjunctival allergen challenge (CAC) test.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
267
Inclusion Criteria
  • Japanese ethnicity.
  • Seasonal Allergic Conjunctivitis--asymptomatic.
  • Other protocol-defined inclusion criteria may apply.
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Exclusion Criteria
  • Manifest signs and symptoms of clinically active allergic conjunctivitis in either eye (>1 for redness in any of the 3 vessels beds - conjunctival, episcleral, ciliary - or itching >0) at the start of any visit.
  • Other protocol-defined exclusion criteria may apply.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Patanol+Patanol VehicleOlopatadine Hydrochloride Ophthalmic Solution, 0.1%Olopatadine Hydrochloride Ophthalmic Solution, 0.1%, 1 drop in 1 eye and Olopatadine 0.1% Vehicle in the contralateral eye
Patanol+Patanol VehicleOlopatadine 0.1% VehicleOlopatadine Hydrochloride Ophthalmic Solution, 0.1%, 1 drop in 1 eye and Olopatadine 0.1% Vehicle in the contralateral eye
Pataday+Pataday VehicleOlopatadine 0.2% VehicleOlopatadine Hydrochloride Ophthalmic Solution 0.2%, 1 drop in 1 eye and Olopatadine 0.2% Vehicle in the contralateral eye
Pataday+Pataday VehicleOlopatadine Hydrochloride Ophthalmic Solution, 0.2%Olopatadine Hydrochloride Ophthalmic Solution 0.2%, 1 drop in 1 eye and Olopatadine 0.2% Vehicle in the contralateral eye
Primary Outcome Measures
NameTimeMethod
Mean Ocular Itching ScoreDay 0 of treatment: 3, 5, and 10 minutes post CAC
Secondary Outcome Measures
NameTimeMethod
Mean Total Redness ScoreDay 0 of treatment: 3, 10, 20 minutes post-CAC
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