Clinical Focus ›› 2025, Vol. 40 ›› Issue (12): 1061-1067.doi: 10.3969/j.issn.1004-583X.2025.12.001

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Effects of tirzepatide on lipid profiles in type 2 diabetes mellitus: A meta-analysis

Xie Feifei1, Zhang Weijian2()   

  1. 1. Department of Clinical Nutrition,the Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou 545000,China
    2. Department of Emergency Medicine,Liuzhou People's Hospital Affiliated to Guangxi Medical University,Liuzhou 545006,China
  • Received:2025-09-05 Online:2025-12-20 Published:2025-12-30
  • Contact: Zhang Weijian,Email: cheungweijian@163.com

Abstract:

Objective To systematically evaluate the effects of tirzepatide on lipid parameters in patients with type 2 diabetes mellitus (T2DM). Methods We searched CNKI,Wanfang,VIP,PubMed,Embase,and the Cochrane Library for randomized controlled trials (RCTs) up to the search date that compared tirzepatide with control interventions in T2DM patients. Pooled analyses were conducted using RevMan 5.4. Results Six RCTs met inclusion criteria. Pooled estimates demonstrated that tirzepatide produced statistically significant improvements in lipid profiles compared with control: Greater reductions in total cholesterol (TC) (MD=-5.58,95%CI -8.44 to -2.73),triglycerides (TG)(MD=-16.27,95%CI -20.90 to -11.64),low density lipoprotein cholesterol (LDL-C) (MD=-6.41,95%CI -10.57 to -2.25),and very low density lipoprotein cholesterol (VLDL-C)(MD=-16.03,95%CI -20.56 to -11.49)(all P<0.05),and a greater increase in high density lipoprotein cholesterol (HDL-C)(MD=4.33,95%CI 2.22 to 6.45; P<0.05). Dose stratified analyses showed that 5 mg,10 mg,and 15 mg doses each produced superior lipid improvements versus control,with a trend toward larger effects at higher doses,consistent with a dose response relationship. Conclusion Tirzepatide significantly improves lipid profiles in patients with T2DM compared with control treatments,lowering TC,TG,LDL-C,and VLDL-C and increasing HDL-C in a dose-dependent manner.

Key words: diabetes mellitus, type 2, tirzepatide, blood lipids, meta-analysis

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