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  • Title: Does oxymetazoline increase the efficacy of nasal steroids in treating nasal polyposis?
    Author: Kirtsreesakul V, Khanuengkitkong T, Ruttanaphol S.
    Journal: Am J Rhinol Allergy; 2016 May; 30(3):195-200. PubMed ID: 27216350.
    Abstract:
    BACKGROUND: Although nasal steroids are the mainstay treatments in nasal polyposis, up to one-half of patients do not respond and need surgical treatment. This study aimed to evaluate whether oxymetazoline administration produces any additive effect on nasal steroid therapy and whether rebound congestion develops after oxymetazoline treatment. METHODS: Sixty-eight patients with nasal polyposis were randomly assigned in a 1:1 ratio to receive either oxymetazoline plus mometasone furoate nasal spray (MFNS) or placebo plus MFNS, 2 sprays per nostril twice daily, with an interval of 5 minutes between each medication for 4 weeks. All the patients were then treated with MFNS, 2 sprays per nostril twice daily for 2 weeks. The nasal symptoms score, peak inspiratory flow index, nasal mucociliary clearance time (NMCCT), and total nasal polyps score were used to evaluate treatment outcomes. An intention-to-treat analysis was performed, and a worst case sensitivity analysis was applied to missing cases. RESULTS: Thirty-four patients were allocated to the oxymetazoline-MFNS group, and 34 to the placebo-MFNS group. One patient in each group was lost to last-visit follow-up. At 4 weeks after beginning treatment, the oxymetazoline-MFNS group showed significantly greater improvement in blocked nose, hyposmia, peak flow, NMCCT, and total nasal polyps score than the placebo-MFNS group. During the nasal steroid phase, both groups showed continuing improvement in all outcome variables. However, the oxymetazoline-MFNS group still showed significantly greater improvement in blocked nose, hyposmia, NMCCT, and total nasal polyps score, but not peak flow, than the placebo-MFNS group at the end of the study. CONCLUSION: The use of nasal steroids with oxymetazoline was more effective over 6 weeks than nasal steroids alone in improving blocked nose, hyposmia, nasal mucociliary clearance, and polyp size in treatment of nasal polyposis. There was no evidence of rebound congestion after 4 weeks of oxymetazoline treatment.
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