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Cited by 92Probiotics and Fermented FoodsDermatology and Skin DiseasesFood Allergy and Anaphylaxis Research

The role of probiotics in the prevention and treatment of atopic dermatitis in children: An updated systematic review and meta-analysis of randomized controlled trials

Jiang, Wen, Ni, Bin, Liu, Zhiyu, Liu, Xuan, Xie, Wanqin, Wu, Irene X. Y., Li, Xingli·2020·Pediatric Drugs
DOI 10.1007/s40272-020-00410-6
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Abstract

Background Atopic dermatitis (AD) is a chronic inflammatory skin disease common among infants and children. It is associated with a high risk of allergies, asthma, and mental health problems. Attempts have been made to use probiotics in clinical interventions for AD.Objective Our objective was to perform an updated meta-analysis of recently published studies to evaluate the effect of probiotics in the prevention and treatment of AD in children and to further understand the role of probiotics in AD interventions in the clinic.Method We searched the PubMed/MEDLINE, Embase, Cochrane Central Register of Controlled Trials, China National Knowledge Infrastructure, and Wanfang databases with prespecified selection criteria from inception of each database to 11 January 2020. No language restrictions were applied.Results A total of 25 studies were included in our meta-analysis. Of these, 14 were prevention studies (with 3049 children enrolled) and 11 were treatment studies (with 816 children enrolled). One treatment study was excluded after the sensitivity analysis. From the 14 prevention studies included, the pooled relative risk ratio of AD in those treated with probiotics versus placebo was 0.70 [95% confidence interval (CI) 0.57-0.84; P = 0.0002]. Subgroup analyses showed that only mixed strains of probiotics had a significant effect on lowering the incidence of AD. Probiotics administered solely to infants did not prevent the development of AD, but effects were significant when probiotics were administered to both pregnant mothers and their infants or solely to pregnant mothers. In studies with treatment durations > 6 months, the incidence of AD decreased significantly; a similar effect was achieved when the treatment duration was < 6 months. Meta-analysis of the ten treatment studies showed a significant decrease in the weighted mean difference (WMD) in Scoring Atopic Dermatitis (SCORAD) index values in the probiotics group compared with the control group (WMD, - 7.23; 95% CI - 10.59 to - 3.88; P < 0.0001). Subgroup analyses showed that both single-strain and mixed-strain probiotics had a significant effect on improving SCORAD values. Studies with participants aged < 1 year (P = 0.07) reported no significant results. In studies with treatment periods > 8 weeks, SCORAD values seemed to decrease more than in studies with treatment periods < 8 weeks. However, the subgroup difference was only statistically significant when the analysis was performed according to participant age in prevention studies.Conclusion Our updated meta-analysis demonstrates that interventions with probiotics potentially lower the incidence of AD and relieve AD symptoms in children, particularly when treating infants and children aged ≥ 1 year with AD. Interventions with mixed-strain probiotics tended to have better preventive and curative effects. Probiotics administered solely to infants appeared to produce negative preventive effects. Different intervention durations might also affect clinical outcomes. However, given the insignificant subgroup differences, except for treatment by participant age, and the moderate heterogeneity among the studies, these conclusions should be interpreted with caution, and more powerful randomized controlled trials using standardized measurements should be conducted to assess the long-term effects of probiotics.

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  • Only some strains of Lactobacillus spp., Bifidobacterium spp., and Propionibacterium spp. showed beneficial results in reducing the risk of atopic eczema in children, while other strains of the same species did not.

    “Following these studies, it was mentioned that only some strains of Lactobacillus spp., Bifidobacterium spp., and Propionibacterium spp. showed beneficial results, while other strains of the same species did not.”

    From The Potential Impact of Probiotics on Human Health: An Update on Their Health-Promoting Properties (2024) · cites this paper as [130]

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Authors
Jiang, W., Ni, B., Liu, Z., Liu, X., Xie, W., Wu, I. X. Y., & Li, X.
Affiliations
  • Central South University (CN)
  • Changsha Hospital for Maternal and Child Health Care (CN)
Corresponding author
  • Wu, Irene X. Y.
  • Li, Xingli
ORCID
Venue
Pediatric Drugs
Publisher
Springer Science and Business Media LLC
Published
2020-08-04
Volume
22
Issue
5
Pages
535-549
ISSN
  • 1174-5878 (ISSN-L)
  • 1179-2019
DOI
10.1007/s40272-020-00410-6
OpenAlex
W3047454872
Cited by
91
References
70
Citations by year
2026: 13 · 2025: 14 · 2024: 13 · 2023: 20 · 2022: 17 · 2021: 14
FWCI
1.08
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • Pediatric Drugs (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Major Scientific and Technological Projects for collaborative prevention and control of birth defects in Hunan Province (2019SK1012)
  • Major Research and Deveopment Projects in Hunan Province (2018SK2060)
  • Consejo Nacional para Investigaciones Científicas y Tecnológicas (2017SK50802)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Health Sciences › Medicine › Immunology and Allergy › Food Allergy and Anaphylaxis Research
Keywords
atopic dermatitis, probiotics, children, infants, probiotic supplementation, SCORAD index, single-strain probiotics, maternal probiotic supplementation, atopic dermatitis prevention, atopic dermatitis treatment, treatment duration, treatment age, treatment effect heterogeneity, subgroup analysis
MeSH terms
Child, Dermatitis, Atopic, Humans, Randomized Controlled Trials as Topic, Probiotics

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