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Statins Have an Anti-Inflammation in CKD Patients: A Meta-Analysis of Randomized Trials
Jianting Wang1, Ziwei Chen2, Yuliang Qiu1
1The Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian province, China.
Insights
Statins therapy significantly reduces C-reactive protein (CRP) levels in patients with chronic kidney disease (CKD), indicating a notable anti-inflammatory effect. This finding suggests statins may help manage CKD complications and slow disease progression.
Area of Science:
- Nephrology
- Pharmacology
- Inflammation Research
Background:
- Persistent inflammation is a key comorbidity in chronic kidney disease (CKD), contributing to complications, mortality, and disease progression.
- The anti-inflammatory effects of statins in CKD patients remain inconclusive from previous research.
- This meta-analysis aims to definitively assess the anti-inflammatory impact of statin therapy in individuals with CKD.
Approach:
- A comprehensive literature search was performed across major databases (Medline, Embase, Cochrane, clinical trials) to identify relevant randomized controlled trials.
- Included studies focused on evaluating the anti-inflammatory effects of statins in CKD patients.
- Robustness of the primary outcome was confirmed through subgroup, sensitivity, and trim-and-fill analyses.
Key Points:
- The meta-analysis included 25 studies with 7921 participants.
- Statin therapy was associated with a significant reduction in C-reactive protein (CRP) levels (-2.06 mg/L; 95% CI: -2.85 to -1.27, p < 0.01).
- Subgroup, sensitivity, and trim-and-fill analyses confirmed the stability and reliability of the pooled CRP results.
Conclusions:
- Statin supplementation demonstrates significant anti-inflammatory effects in patients with chronic kidney disease.
- These anti-inflammatory actions of statins are clinically relevant for improving CKD complications, reducing mortality, and slowing disease progression.
- Further research is recommended to investigate statins' effects on inflammation in CKD patients with normal lipid levels and their potential use specifically for inflammation inhibition.
Background:
Persistent inflammation has been recognized as an important comorbid condition in patients with chronic kidney disease (CKD) and is associated with many complications, mortality, and progression of CKD. Previous studies have not drawn a clear conclusion about the anti-inflammatory effects of statins in CKD. This meta-analysis is aimed at assessing the anti-inflammatory effects of statins therapy in patients with CKD.
Methods:
A comprehensive literature search was conducted in these databases (Medline, Embase, Cochrane library, and clinical trials) to identify the randomized controlled trials that assess the anti-inflammatory effects of statins. Subgroup, sensitivity, and trim-and-fill analysis were conducted to determine the robustness of pooled results of the primary outcome.
Results:
25 eligible studies with 7921 participants were included in this meta-analysis. The present study showed that statins therapy was associated with a decreased C-reactive protein (CRP) (-2.06 mg/L; 95% CI: -2.85 to -1.27, p < 0.01). Subgroup, sensitivity, and trim-and-fill analysis showed that the pooled results of CPR were stable.
Conclusion:
This meta-analysis demonstrates that statins supplementation has anti-inflammatory effects in patients with CKD. Statins exert an anti-inflammatory effect that is clinically important in improving complications, reducing mortality, and slowing progression in CKD. We believe that the benefits of statins to CKD are partly due to their anti-inflammatory effects. However, stains usually are prescribed in the CKD patients with dyslipidemia, whether statins can reduce inflammation in CKD patients with normal serum lipid needed to explore in the future. Therefore, we suggest that randomized clinical trials need to assess the effect of statins in CKD patients with normal serum lipid. Whether statins can be prescribed for aiming to inhibit inflammation in CKD also needed further study. Trial Registration. The study protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO); registration number: CRD42022310334.
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