Journal
EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
Volume 273, Issue 11, Pages 3477-3486Publisher
SPRINGER
DOI: 10.1007/s00405-015-3832-1
Keywords
Corticosteroid nasal spray; Antihistamine; Allergic rhinitis; Efficacy
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Funding
- Zhuhai government [2014D0401990021]
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The purpose of this study was to perform a systematic review and meta-analysis of randomized controlled trials (RCTs) to compare the symptomatic management of corticosteroid nasal spray plus antihistamine (oral or local spray) with that of either therapy given alone, or placebo in patients with allergic rhinitis (AR). The PRISMA guidelines for meta-analysis reporting were followed. Total nasal symptom scores and individual nasal symptom scores were pooled after assessing heterogeneity among studies. The pooled estimates were expressed as weighted mean differences (WMD) between treatments. A total of ten studies fulfilled eligibility. Three trials studied the combination therapy of corticosteroid nasal spray and oral antihistamine. Pooled results of two trials failed to show significant difference on total nasal symptoms between combination therapy and intranasal corticosteroid alone (WMD = -0.20, 95 % CI -0.38 to -0.01, P = 0.04). The qualitative analysis showed that combination therapy has greater efficacy than oral antihistamines alone or placebo in improving symptoms. Seven trials investigated corticosteroid nasal spray plus antihistamine nasal spray. The cumulative meta-analysis of six RCTs revealed that combination therapy was superior to solo intranasal corticosteroid (WMD = -1.16, 95 % CI -1.49 to -0.83, P < 0.00001), solo intranasal antihistamine (WMD = -1.73, 95 % CI -2.08 to -1.38, P < 0.00001), and placebo (WMD = -2.81, 95 % CI -3.16 to -2.47, P < 0.00001) in improving total nasal symptom scores. Intranasal corticosteroid plus oral antihistamine have similar efficacy to intranasal corticosteroid alone, greater efficacy than oral antihistamines alone or placebo in reducing nasal symptoms for AR patients. Intranasal corticosteroid plus intranasal antihistamine are significantly superior to either therapy given alone, or placebo.
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