Placebo-Controlled Study of Mometasone Furoate Nasal Spray (MFNS) 200 mcg Once Daily (QD) in the Treatment of Seasonal Allergic Rhinitis (Study P05067)(COMPLETED)

Inclusion Criteria: * Must be 12 years of age or older, of either sex and of any race. * Must have at least a 2-year documented history of SAR which exacerbates during the study season. * Must have a positive skin-prick test response to an appropriate seasonal allergen at Screening (Visit 1). Immunoglobulin E (IgE)-mediated hypersensitivity to an appropriate seasonal allergen (ie, prevailing trees and/or grasses) must be documented by a positive response to the skin prick test with wheal diameter at least 3 mm larger than diluent control after 20 minutes. * Must be clinically symptomatic at the Screening Visit. * Must be clinically symptomatic at the Baseline Visit. * Must be in general good health as confirmed by routine clinical and laboratory testing and electrocardiogram (ECG) results. Clinical laboratory test (complete blood count \[CBC\], blood chemistries, and urinalysis) must be within normal limits or clinically acceptable to the investigator and the sponsor. * Must be free of any clinically significant disease, other than SAR, that would interfere with the study evaluations. Exclusion Criteria: * A history of anaphylaxis and/or other severe local reaction(s) to skin testing. * A subject with asthma who requires chronic use of inhaled or systemic corticosteroids. * Current or history of frequent, clinically significant sinusitis or chronic purulent postnasal drip. * A subject with rhinitis medicamentosa. * A history of allergies to more than two classes of medications or who are allergic to or cannot tolerate nasal sprays. * A subject who has had an upper respiratory tract or sinus infection that required antibiotic therapy without at least a 14-day washout prior to the Screening Visit, or who has had a viral upper respiratory infection within 7 days before the Screening Visit. * A subject who has nasal structural abnormalities, including large nasal polyps and marked septal deviations, which significantly interfere with nasal air flow. * A subject who, in the opinion of the investigator, is dependent on nasal, oral, or ocular decongestants, nasal topical antihistamines, or nasal steroids.