Conditions: Perennial Allergic Rhinitis
Keywords: rhinitis perennial allergic rhinitis allergic rhinitis
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 890
Healthy volunteers: no

Brief summary:
The purpose of this study is to determine whether olopatadine nasal spray is safe and effective when used for up to one year by patients with perennial allergic rhinitis.

Detailed description:

Arms:
arm 1: 2 sprays each nostril twice daily arm 2: 2 sprays each nostril twice daily

Interventions: intervention 1: Olopatadine 0.6% nasal spray intervention 2: Placebo Nasal Spray
Intervention descriptions: intervention 1: 2 sprays each nostril twice daily intervention 2: 2 sprays each nostril twice daily

Protocol document: