Clinical Focus ›› 2024, Vol. 39 ›› Issue (11): 974-979.doi: 10.3969/j.issn.1004-583X.2024.11.002

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Meta-analysis of effects of curcumin on inflammation and oxidative stress of patients with type 2 diabetes mellitus

Liang Yi()   

  1. Department of Endocrinology,Affiliated Hospital of Jilin Medical University,Jilin 132000,China
  • Received:2023-11-12 Online:2024-11-20 Published:2024-12-04
  • Contact: Liang Yi E-mail:liangyinfm@sina.com

Abstract:

Objective To evaluate the effect of curcumin on inflammation and oxidative stress of patients with type 2 diabetes mellitus(T2DM). Methods Randomized controlled trials (RCTs) of curcumin supplementation for T2DM were collected by searching Pubmed, Embase, Web of science, Cochrane and other databases. Meta-analysis was performed by RevMan5.3 statistical software after data extraction of eligible studies. Results A total of 11 RCTs representing 645 patients were included. The results showed that there was no significant difference in high-sensitive C-reactive protein (hs-CRP) level between the intervention group and the control group after treatment (P=0.07) (SMD=-0.35, 95%CI[-0.73, 0.03], I2=73%). But the total antioxidant capacity (TAC) increased (P<0.001)(SMD=0.47, 95%CI[0.26, 0.68], I2=34%), and the malonaldehyde (MDA) reduced (P=0.03)(MD=-0.48, 95%CI[-0.91, -0.05], I2=90%) significantly in the intervention group compared with the control group. The heterogeneity of studies involved hs-CRP and MDA was great, but subgroup analysis based on age, duration of treatment, and curcumin dose did not found the sources of heterogeneity. Conclusion The curcumin could reduce the oxidative stress and improve the antioxidant capacity of T2DM patients, but it produced no significant effect on inflammation.

Key words: diabetes mellitus, type 2, curcumin, inflammation, oxidative stress

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