KMID : 1200820180180030209
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Oriental Pharmacy and Experimental Medicine 2018 Volume.18 No. 3 p.209 ~ p.215
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Efficacy of snakehead fish (Channa striatus) in subjects with allergic rhinitis: a randomized controlled trial
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Susibalan Bathma Dhevi
Abdullah Baharudin Lazim Norhafiza Mat Kadir Azidah Abdul
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Abstract
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Allergic rhinitis is a prevailing chronic inflammatory respiratory disorder that affects 10?30% of the population globally. Channa striatus (Channa) is a snakehead, freshwater fish that has been used traditionally to enhance wound healing and relief post-operative pain. This study evaluates the efficacy of oral Channa extract on allergic rhinitis subjects on total nasal symptom score and serum immunoglobulin E (Ig E). A randomized, double-blind, placebo-controlled trial was conducted by comparing the oral Channa extract 500 mg/day and placebo among allergic rhinitis subjects for a 6-week intervention period. Subjects aged 18?50 years old, diagnosed with allergic rhinitis based on total symptoms score, naso-endoscopy findings, and positive skin prick test were included in this trial. All subjects were treated with antihistamine (levocetrizine) and local corticosteroid nasal spray (fluticasone furoate nasal spray). Laboratory-based blood tests were used as safety measures. A total of 70 subjects were randomized. Channa group showed significant improvement in nasal blockage (p?0.05), nasal itchiness (p?0.05), eye itchiness (p?0.05) and general symptoms (p?0.05) compared to the placebo groups. Serum Ig E were significantly lowered in Channa group compared to placebo (p?0.001). No significant differences were found between the groups in terms of nasal discharge, sneezing, palate itchiness, and smell score. No serious adverse events were reported. In conclusion, Channa has a beneficial role in improving nasal symptoms and reduction in serum Ig E in allergic rhinitis subjects.
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KEYWORD
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Allergic rhinitis, Channa striatus, Immunoglobulin E, Nasal symptoms score
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