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Allergol Int. 2017 Jan;66(1):97-105. doi: 10.1016/j.alit.2016.05.014. Epub 2016 Jul 14.

Efficacy and safety of bilastine in Japanese patients with perennial allergic rhinitis: A multicenter, randomized, double-blind, placebo-controlled, parallel-group phase III study.

Author information

1
Department of Otolaryngology-Head and Neck Surgery, Nippon Medical School, Tokyo, Japan. Electronic address: ent-kimi@nms.ac.jp.
2
Department of Otolaryngology, Nippon Medical School Tama Nagayama Hospital, Tokyo, Japan.
3
Department of Otolaryngology-Head and Neck Surgery, Kansai Medical University, Osaka, Japan.
4
Department of Otolaryngology-Head and Neck Surgery, Nihon University, Tokyo, Japan.
5
Clinical Development Division, Taiho Pharmaceutical Co., Ltd., Tokyo, Japan.
6
Ohashi ENT & Allergic Clinic, Osaka, Japan.

Abstract

BACKGROUND:

Bilastine, a novel non-sedating second-generation H1 antihistamine, has been approved in most European countries since 2010. This study aimed to evaluate the superiority of bilastine over placebo in Japanese patients with perennial allergic rhinitis (PAR).

METHODS:

This randomized, double-blind, placebo-controlled, parallel-group, phase III study (trial registration number JapicCTI-142600) evaluated the effect of a 2-week treatment period with bilastine (20 mg once daily), fexofenadine (60 mg twice daily), or a matched placebo (double dummy) in patients with PAR. All patients were instructed to record individual nasal and ocular symptoms in diaries daily. The primary endpoint was the mean change in total nasal symptom scores (TNSS) from baseline to Week 2 (Days 10-13).

RESULTS:

A total of 765 patients were randomly allocated to receive bilastine, fexofenadine, or placebo (256, 254, and 255 patients, respectively). The mean change in TNSS from baseline at Week 2 was significantly decreased by bilastine (-0.98) compared to placebo (-0.63, P = 0.023). Bilastine and fexofenadine showed no significant difference in the primary endpoint. However, the mean change in TNSS from baseline on Day 1 was more significantly decreased by bilastine (-0.99) than by placebo (-0.28, P < 0.001) or fexofenadine (-0.62, P = 0.032). The active drugs also improved instantaneous TNSS 1 h after the first and before the second drug administration on Day 1 (P < 0.05). The study drugs were well tolerated.

CONCLUSIONS:

After 2-week treatment period, bilastine 20 mg once daily was effective and tolerable in Japanese patients with PAR, and exhibited a rapid onset of action.

KEYWORDS:

Bilastine; Fexofenadine; H(1)-antihistamine; Perennial allergic rhinitis; Total nasal symptom score

PMID:
27421817
DOI:
10.1016/j.alit.2016.05.014
[Indexed for MEDLINE]
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