ArticleFrontiers in pharmacology2025
Huashi Runzao decoction for primary Sjögren disease: a double-blind, randomized controlled trial combined with m6A and m5C RNA modification analysis.
Article in Frontiers in pharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Huashi Runzao decoction (HRD), a Chinese herbal formula, has been used in clinical practice for patients with primary Sjögren disease (pSD) for years. However, the benefits of HRD for pSD have not been evaluated, and HRD epigenetic mechanism of action remains unexplored. Objectives: We conducted a double-blind, randomized, placebo-controlled clinical trial to evaluate the efficacy and safety of HRD in patients with pSD and to explore its epigenetic mechanism of action. Methods: The clinical scores (including oral dryness, dry eye, dryness, fatigue, and limb pain visual analogue scales scores and the ESSPRI) of pSD patients were recorded at baseline and every 4 weeks thereafter. The disease activity scores (including the ESSDAI and ClinESSDAI), exocrine gland function variables (including the result of Schirmer's test and salivary flow rate), serological indices (ESR, CRP, IgG, IgA, and IgM) and short-form-36 health survey (SF-36) score were evaluated at baseline and 12 weeks later. Peripheral blood samples were collected from patients and healthy volunteers to determine RNA methylation (m6A and m5C) levels and analyse regulatory factor expression. Results: HRD improved exocrine gland function in pSD patients and increased saliva ( Conclusion: HRD, a Chinese herbal medicine, may be a promising treatment for pSD, especially for glandular damage. The therapeutic effects of this decoction may be achieved by alteration of the HNRNPA2B1 gene, altering m6A and m5C levels in pSD patients.
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