- A score of at least 6 on the reflective Total Nasal Symptom Score (rTNSS) and a minimum score of at least 2 for "nasal congestion" and a minimum score of at least 2 for one of the remaining 3 symptoms. The patient must meet these minimum requirements prior to being entered into the placebo lead-in period and also prior to being enrolled in the randomized, active treatment period of the study.