Managing hypertriglyceridemia for cardiovascular disease prevention: Lessons from the PROMINENT trial

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Abstract
Background: Numerous epidemiological studies have shown that hypertriglyceridemia is a significant risk factor for cardiovascular diseases (CVD). However, large clinical studies on triglyceride‐lowering therapy have yielded inconsistent results. In the current review, we reassess the importance of triglyceride‐lowering therapy in preventing CVD based on previous literature and the recently published findings of the PROMINENT trial.Methods: This narrative review is based on literature and public documents published up to November 2023.Results: Meta‐analyses of trials on peroxisome proliferator‐activated receptor α agonists and triglyceride‐lowering therapy, including the PROMINENT trial, have indicated that triglyceride‐lowering therapy can reduce CVD events. Mendelian randomization studies have also indicated that triglyceride is indeed a true risk factor for coronary artery disease, leaving no doubt about its relationship to CVD. Meanwhile, the negative results from the PROMINENT trial were likely due to the insufficient triglyceride‐lowering effect, slight increases in low‐density lipoprotein cholesterol and apolipoprotein B, and the inclusion of mostly high‐intensity statin users as target patients. It is unlikely that adverse events counteracted the effectiveness of pemafibrate on outcomes. Additionally, pemafibrate has shown positive effects on non‐alcoholic fatty liver disease and peripheral artery disease.Conclusion: Although the PROMINENT trial did not demonstrate the significance of pemafibrate as a triglyceride‐lowering therapy in a specific population, it does not necessarily negate the potential benefits of treating hypertriglyceridemia in reducing CVD events. It is necessary to explore appropriate populations that could benefit from this therapy, utilize data from the PROMINENT trial and other databases, and validate findings in real‐world settings.

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