期刊
RESPIRATORY MEDICINE
卷 140, 期 -, 页码 42-49出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.rmed.2018.05.014
关键词
Chinese herbal medicine formula; Acute asthma; Randomized controlled trial; Inflammatory cytokines; Proof-of-concept
资金
- National Natural Science Foundation of China [81370122, 81570023, 81670023]
- Sichuan University Young Teachers Research Foundation [2017SCU11024]
- Sichuan Provincial Health Department foundation [17PJ043]
Background: Despite advances in asthma management, exacerbations constitute a significant health economic burden. Objective: To observe the efficacy and safety of Chinese herbal medicine formula entitled PingchuanYiqi (PCYQ) granule, on acute asthma and to explore its possible mechanism. Materials and methods: This proof-of-concept study consisted of a randomized, double-blind, placebo-controlled trial in patients with acute asthma (n=300). Participants with acute mild-to-moderate asthma recruited from seven centers in China were randomly assigned to receive PCYQ or placebo. The primary outcomes were PEF (L/min) and total asthma symptom scores. Furthermore, a panel of cytokines including serum IL-4, IL-5, IL-6, IL-8, IL-1 beta, IL-17A, IFN-alpha, IFN-beta, IFN-gamma, CRP, CCL-5, IP-10, and PGD(2) levels was detected using ELISA. Results: The PCYQ (n=139) significantly improved the morning PEF on day 4 (349.73 +/- 93.92 vs. 313.56 +/- 92.91 L/min, P=0.004) and day 7 (360.42 +/- 94.39 vs. 329.52 +/- 95.97 L/min, P=0.023), and the evening PEF on day 4 (352.65 +/- 95.47 vs. 320.58 +/- 95.30 L/min, P=0.012) and day 7 (360.42 +/- 94.39 vs. 336.86 +/- 95.59 L/min, P=0.029) in comparison with the placebo (n=143). The PCYQ also improved the clinical symptoms scores and reduced the puffs of short-acting beta(2)-agonist (all P < 0.05). Furthermore, the PCYQ statistically reduced IL-5, IL-8, IL-1 beta and PGD(2) in serum. Conclusion: The PCYQ as the Chinese herbal medicine formula significantly improves lung function and symptoms of acute asthma, and reduces SABA dosage possibly via decrease of inflammatory biomarkers such as IL-5, IL-8, IL-1 beta and PGD(2).
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