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Topical Probiotics Reduce Atopic Dermatitis Severity: A Systematic Review and Meta-Analysis of Double-Blind,
Elliot Flint1, Nabeel Ahmad1, Kevin Rowland1
1Biomedical Sciences, University of Houston Tilman J. Fertitta Family College of Medicine, Houston, USA.
Cureus
|October 24, 2024
Summary
Topical probiotics may improve atopic dermatitis (AD) in adults, with individual studies showing reduced severity. However, a meta-analysis did not find a statistically significant difference compared to placebo after four weeks, indicating a need for more research.
Area of Science:
- Dermatology
- Microbiology
- Clinical Research
Background:
- Atopic dermatitis (AD) is a chronic skin condition affecting individuals of all ages.
- Effective AD treatments for children exist, but options for adults are limited.
- Topical probiotic therapies are emerging as a potential treatment avenue.
Purpose of the Study:
- To systematically review and meta-analyze the efficacy of topical probiotic treatment for adult atopic dermatitis.
- To assess the impact of topical probiotics on disease severity using the SCORAD index.
Main Methods:
- Systematic review and meta-analysis of peer-reviewed, double-blind clinical trials.
- Inclusion criteria focused on adult populations with atopic dermatitis receiving topical probiotic treatment.
- Four studies met the selection criteria for analysis.
Main Results:
- All included studies demonstrated improvement in SCORAD scores from baseline in the topical probiotic groups.
- Two studies reported statistically significant SCORAD reductions at two weeks.
- Three studies indicated sustained improvement in AD severity after four weeks of treatment.
Conclusions:
- Individual studies suggest potential clinical benefits of topical probiotics for adult atopic dermatitis.
- A pooled meta-analysis did not achieve statistical significance when comparing topical probiotics to placebo at four weeks.
- Further rigorous studies involving adult populations are necessary to confirm the statistical efficacy of topical probiotics in treating AD.
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