MISTRAL (Mouthwash In Sore Throat Relief: Antiinflammatory vs. Local Anesthetic Therapy) "Efficacy and Tolerability of Ketoprofen Lysine Salt as a Mouthwash in Acute Phlogosis of the Pharyngeal Cavity; Multicentre, Randomized, Single-blind, Parallel-group Comparison Versus Benzidamine Hydrochloride"
A study to in order to verify any differences between the 2 treatment groups in terms of duration of analgesic effects after the first drug intake and time to remission of symptoms and signs of pharyngitis