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Free Content Efficacy and safety of azelastine 0.15% nasal spray and azelastine 0.10% nasal spray in patients with seasonal allergic rhinitis

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Abstract:

Azelastine is a second-generation antihistamine approved for treatment of allergic rhinitis. This randomized, double-blind, placebo- and active-controlled, parallel-group clinical trial evaluated the efficacy and safety of azelastine 0.15% and azelastine 0.10% nasal spray at a dosage of 2 sprays/nostril twice daily in patients with moderate-to-severe seasonal allergic rhinitis (SAR). In total, 526 patients were randomized 1:1:1 to treatment with 2 sprays/nostril twice daily of azelastine 0.15%, azelastine 0.10%, or placebo. The primary efficacy variable was change from baseline in 12-hour reflective Total Nasal Symptom Score (TNSS; A.M. and P.M. combined), consisting of nasal congestion, rhinorrhea, itchy nose, and sneezing. After 2 weeks, the mean improvement and percentage improvement in the 12-hour reflective TNSS were significant (p < 0.001) with azelastine 0.15% and azelastine 0.10% compared with placebo. In a retrospective analysis, there was a statistical difference (p = 0.047) in the mean improvement versus placebo in the 12-hour reflective TNSS with azelastine 0.15% compared with azelastine 0.10%. Onset of action with azelastine 0.15% was within 30 minutes. Bitter taste was the most common adverse event with both azelastine 0.15% and azelastine 0.10% (8.4% and 9.4% of patients, respectively). Somnolence was reported by 1.7% of patients treated with azelastine 0.15%, 0.6% of patients treated with azelastine 0.10%, and 0.6% of patients treated with placebo. Azelastine 0.15% nasal spray at 2 sprays/nostril twice daily significantly improved the nasal symptoms associated with SAR with an onset of action within 30 minutes and was well tolerated.

Keywords: allergic rhinitis; antihistamine; azelastine HCl; clinical trial; efficacy; nasal congestion; nasal spray; rhinorrhea; safety; sneezing

Document Type: Research Article

DOI: https://doi.org/10.2500/aap.2009.30.3296

Affiliations: Allergy and Asthma Consultants of NJ-PA, Collegeville, Pennsylvania, USA

Publication date: 2009-11-01

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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