• Sue Aspley, Adrian Shephard, Emily Schachtel, Kathleen Sanner, Laurie Savino, and Bernard Schachtel.
• a Reckitt Benckiser Healthcare International Ltd , Slough , Berkshire , UK ;
• Curr Med Res Opin. 2016 Sep 1; 32 (9): 1529-38.

ObjectiveSore throat is often over-treated with antibiotics, therefore there is a need for non-antibiotic treatments that provide effective relief. From the patient's point of view, symptoms of pharyngeal inflammation such as a "swollen" and "inflamed" throat are often considered the most bothersome; so, a non-steroidal anti-inflammatory drug could be an appropriate treatment. We investigated the efficacy and safety of flurbiprofen 8.75 mg lozenge in adults with a swollen and inflamed throat.Research Design And MethodsWe enrolled adults with moderate-to-severe sore throat and evidence of tonsillo-pharyngitis into a randomized, double-blind study. Patients received flurbiprofen 8.75 mg or placebo lozenges every 3-6 hours as needed (up to five lozenges in 24 hours) and rated their symptoms (sore throat pain, difficulty swallowing and the sensation of a swollen throat) on standard linear scales regularly over 24 hours. The efficacy of flurbiprofen lozenge was determined in patients reporting a swollen and inflamed throat at baseline, as well as those with relatively severe symptoms.Clinical Trial RegistrationClinicalTrials.gov NCT01049334.Main Outcome MeasuresThe main outcome measures were the time-weighted summed differences in patient-reported sore throat pain, difficulty swallowing and swollen throat over 24 hours.ResultsOut of 204 patients, 124 (60.8%) described their throats as swollen and inflamed at baseline. Flurbiprofen lozenges provided greater relief than placebo over 24 hours: 79.8%, 99.6% and 69.3% (for sore throat pain, difficulty swallowing and swollen throat, respectively, all P ≤ 0.01). These outcomes were more substantial in patients with relatively severe symptoms. No serious or unexpected adverse events occurred.ConclusionsFlurbiprofen 8.75 mg lozenge appears to provide effective, well-tolerated relief of sore throat, difficulty swallowing and swollen throat in adults with a swollen and inflamed throat, as well as those with relatively severe symptoms. A limitation of these findings is that, while predetermined, these are secondary outcomes derived from a targeted sub-group of patients, not the entire study population.

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