• Honglian Pei, Youfeng Ma, Lin Wang, Liping Wang, Li Xu, and Rong Wang.
• Department of Pediatrics, Shenzhen Samii International Medical Center, Shenzhen, Shenzhen Province, China.
• Medicine (Baltimore). 2021 Oct 22; 100 (42): e27585e27585.

BackgroundMycoplasma pneumoniae (MP) is a common infectious respiratory disease in pediatrics, and macrolide antibiotics are the optimal treatment option. In recent years, there is a significant increase in the resistance of this pathogen to macrolide antibiotics, which makes the clinical treatment of this disease increasingly complex. Shenfu injection (SFI), a herbal extract injection, has advantages of improving immune function, reducing inflammatory reaction, improving curative effect and shortening the course of disease in the treatment of pediatric MP. However, there is a lack of rigorous clinical studies to evaluate the effects of SFI on inflammatory factors and immune function in children with MP.MethodsThis study is a prospective, randomized, double-blind, placebo-controlled clinical trial protocol. The objective of this study is to evaluate the effect of SFI on inflammatory factors and immune function in children with MP. Patients meeting the inclusion criteria were randomized in a ratio of 1:1 to either the treatment group (azithromycin + 100 mL 5% glucose injection + 50 mL SFI) or the control group (azithromycin + 150 mL 5% glucose injection). Patients in both groups received the standard treatment for 7 days. The levels of inflammatory factor indexes (C-reactive protein, interleukin-6, interleukin-10, tumor necrosis factor-α) and immune function indexes (immunoglobulin G, immunoglobulin A, immunoglobulin M) in both groups were measured at the beginning of treatment, on the 3rd day of treatment and at the end of treatment. Besides, the time of improvement in clinical symptoms (duration of cough, time of disappearance of lung rales, time of fever reduction, and time of disappearance of lung X-ray infiltrative shadow) and adverse effects in both groups were recorded. Finally, the data were statistically analyzed by SPSS 20.0 software.DiscussionIn this study, an evaluation was conducted on the effects of SFI on inflammatory factors and immune function in pediatric MP. The results of this experiment will provide a clinical basis for the adjuvant treatment of pediatric MP with SFI.Trial RegistrationOSF Registration number.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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