Efficacy of flurbiprofen 8.75 mg delivered as a spray or lozenge in patients with sore throat due to upper respiratory tract infection: a randomized, non-inferiority trial in the Russian Federation.

Objective: To assess the efficacy of flurbiprofen 8.75 mg delivered as a spray or lozenge in patients with sore throat due to upper respiratory tract infection (URTI).

Materials And Methods: This multicenter, double-blind, double-dummy, non-inferiority study randomized 440 adults with recent-onset, moderate-to-severe sore throat due to URTI to a single dose of either flurbiprofen 8.