SynthesisFrontiers in medicine2025
Probiotic therapy as adjuvant for allergic rhinitis: an overview of systematic reviews and meta-analyses.
Synthesis in Frontiers in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed.
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Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: This study aims to provide an overview of systematic reviews and meta-analyses on probiotic adjuvant therapy for allergic rhinitis, with the goal of offering evidence-based support for clinical practice and decision-making. Methods: A comprehensive search was performed in PubMed, Embase, Cochrane Library, Web of Science, CNKI, VIP, WANFANG, and CBM databases from their inception to 5 July 2025, to identify systematic reviews and meta-analyses on probiotic adjuvant therapy for allergic rhinitis. Constructing a literature overlap matrix and calculating the adjusted overlap area for assessing duplication rates in source literature. ROBIS, AMSTAR-2, PRISMA 2020, and GRADE were used to assess bias risk, methodological/reporting quality, and evidence certainty. Quantitative and qualitative analyses of primary outcomes provided comprehensive insights. Results: Fifteen systematic reviews and meta-analyses were included; the adjusted overlap area, calculated from the literature overlap matrix, was 16.939%, all demonstrating low bias risk. Methodological quality assessment identified 9 high-, 5 low-, and 1 critically low-quality study. The evaluation of reporting quality showed 7 high-, 7 moderate-, and 1 low-quality study. Evidence certainty grading yielded 11 high-, 37 moderate-, 35 low-, and 17 critically low-quality outcomes. Quantitative analysis confirmed that probiotic adjunct therapy significantly reduced eosinophil counts in patients with allergic rhinitis. Qualitative synthesis indicated probiotics alleviated symptoms, improved quality of life, and exhibited favorable safety as adjuvant treatment. Conclusion: Probiotics show significant adjuvant value in allergic rhinitis, effectively alleviating symptoms and improving quality of life. Their immunomodulatory effects restore Th1/Th2 balance, while demonstrating excellent safety and tolerability for clinical application. Systematic review registration: https://www.crd.york.ac.uk/PROSPERO/, identifier: CRD420251087317.
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