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

A Phase III Study of Olopatadine HCl Ophthalmic Solutions Compared to Vehicle Using the CAC Model of Acute Allergic Conjunctivitis in Japanese Subjects

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.

Inclusion Criteria:

• Japanese ethnicity.
• Seasonal Allergic Conjunctivitis--asymptomatic.
• Other protocol-defined inclusion criteria may apply.

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.