A Study To Evaluate The Efficacy And Safety Of A Once-Daily Investigational Nasal Spray In Adults And Adolescents With Perennial Allergic Rhinitis (PAR).

A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multicenter Study to Evaluate the Efficacy and Safety of Once-Daily, Intranasal Administration of GW685698X Aqueous Nasal Spray 100mcg for 4 Weeks in Adult and Adolescent Subjects (12 years of age and older) with Perennial Allergic Rhinitis (PAR)