SynthesisFrontiers in pharmacology2026
Efficacy and safety of selected Chinese herbal medicine preparations in treating carotid atherosclerosis: a systematic review and meta-analyses.
Synthesis in Frontiers in pharmacology, 2026. 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: Although conventional therapies for Carotid atherosclerosis (CAS) remain the standard treatment, their effectiveness is often limited and accompanied by adverse effects. Chinese herbal medicine (CHM) is a promising adjunctive therapy for CAS; however, robust clinical evidence supporting its efficacy and safety remains limited. Objective: This systematic review and meta-analysis evaluates the efficacy and safety of CHM for CAS treatment and characterizes its medication patterns. Methods: Five databases were searched from inception to December 2025. Randomized controlled trials (RCTs) evaluating oral CHM for CAS were included. Study quality was assessed using the Cochrane Risk of Bias 2 (RoB 2) tool. Data were extracted and analyzed using RevMan v5.3 and R software. Sources of heterogeneity were investigated through meta-regression and subgroup analyses. Network analysis reveals herbal medication patterns across 21 studies. Results: Twenty-one RCTs involving 3,078 patients were included. Compared with conventional therapy alone, adjunctive CHM significantly reduced carotid plaque area (MD = 4.94, 95% CI: 3.13 to 6.76, Conclusion: As an adjunct to conventional therapy, CHM may further reduce carotid IMT and plaque burden, improve lipid metabolism, and demonstrate a favorable safety profile. However, the overall quality and heterogeneity of the included studies limit the strength of the evidence, highlighting the need for well-designed, high-quality RCTs to confirm these findings. Systematic Review Registration: https://www.crd.york.ac.uk/PROSPERO/view/CRD420261285381, identifier CRD420261285381.
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