Efficacy and tolerability of fluticasone propionate nasal drops 400 μg once daily compared with placebo for the treatment of bilateral polyposis in adults
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BackgroundChronic eosinophilic rhinosinusitis underlies a range of respiratory disorders including nasal polyposis. Surgical and medical methods are used to control polyps, with topical steroids commonly being used for their anti‐inflammatory properties. Fluticasone propionate nasal drops (FPND) is a formulation developed specifically for an effective and well tolerated corticosteroid treatment of nasal polyposis.ObjectivesTo assess efficacy and tolerability of FPND in the treatment of bilateral nasal polyposis in adults.MethodsThis multicentre, randomized, parallel‐group study compared FPND 400 μg once daily (o.d.) with placebo for 12 weeks in adult patients with mild to moderate bilateral polyposis. The primary efficacy endpoint was visual assessment of polyp size by the physician at monthly clinic visits. Nasal blockage, rhinitis, peak nasal inspiratory flow (PNIF), olfactory function and requirement for polypectomy were also assessed at visits. The patients kept diary card records of symptoms, PNIF, and use of rescue antihistamine. Additional safety data were provided by a 12‐week open extension, when all patients received FPND 400 μg o.d.ResultsAfter 12 weeks double‐blind treatment with FPND (n = 52) or placebo (n = 52), polyp size was reduced in 27% and 16% of patients, respectively; clinical reduction of nasal blockage significantly favoured FPND over placebo (55% vs 22%; P = 0.002), and clinic PNIF had increased significantly with FPND (by 52 L/min vs −3 L/min for placebo; P < 0.001). Diary card measurements showed significant benefits of FPND vs placebo for daily PNIF, nasal blockage, rhinitis and use of loratadine rescue medication. Both treatments were well tolerated and no serious adverse events occurred during randomized treatment. Epistaxis was more frequent with FPND than placebo but was generally mild and did not result in withdrawals. Mean serum cortisol levels did not change significantly with either treatment.ConclusionThis study showed FPND 400 μg o.d. to be an effective and well tolerated treatment for bilateral nasal polyposis in adults.
