A randomized controlled study
Cao, Xueqiu MDa,b; Zhong, Ping MDa; Li, Gang MDa; Zhu, Jiao MDa; Zheng, Yun PhDa,∗Author Information
Medicine: May 2020 - Volume 99 - Issue 18 - p e20095
doi: 10.1097/MD.0000000000020095
- OPEN
Background:
Several studies have suggested that intestinal flora may play an important role in allergic diseases. The purpose of this study was to investigate the effect of probiotics of Bifidobacterium triplex on the symptoms of allergic rhinitis (AR). The effects of this probiotic on the immune system have been reported in some studies, but most previous studies have been in animals.
Methods/Design:
60 infants and young children with AR were randomly divided into 2 groups: probiotics/placebo group. The main outcome was the use of a comprehensive symptom drug score to assess allergy symptoms. In addition, health-related quality of life was investigated (rhinitis quality of life questionnaire). Secondary outcomes included a visual analog scale of allergy burden and a second quality of life questionnaire. This report describes the study design of a randomized controlled trial.
Discussion:
The study design described a double-center, randomized, location at the Minda Hospital of Hubei Minzu University and West China Hospital of Sichuan University, which will be focused on the study about probiotics treatment and its effect on AR symptoms.
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