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Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
Effects of Rosuvastatin Versus Atorvastatin, Alone or in Combination, on Lipoprotein (a)
Marija Vavlukis1, Kristina Mladenovska2, Arlinda Daka3
1Ss Cyril and Methodius University, Skopje, Republic of Macedonia marija.vavlukis@gmail.com.
Insights
Rosuvastatin significantly reduced elevated lipoprotein(a) [Lp(a)] more than atorvastatin. Adding fenofibrate or extended-release niacin to atorvastatin also improved Lp(a) reduction without adverse effects.
Area of Science:
- Cardiology
- Pharmacology
- Lipid Metabolism
Background:
- Limited evidence exists on the effectiveness of various lipid-lowering agents in reducing elevated lipoprotein(a) [Lp(a)].
- Elevated Lp(a) is a significant risk factor for cardiovascular disease.
Purpose of the Study:
- To compare the therapeutic efficacy and safety of different lipid-lowering strategies on elevated Lp(a) levels.
- To evaluate rosuvastatin, atorvastatin, atorvastatin with fenofibrate, and atorvastatin with extended-release niacin.
Main Methods:
- A prospective interventional study involving 87 patients with coronary artery disease (CAD) or high CAD risk and Lp(a) >50 mg/dL.
- Comparative analysis of Lp(a), lipid profiles, and safety markers across four treatment groups over six months.
- Treatments included rosuvastatin 40 mg, atorvastatin 80 mg, atorvastatin 40 mg + micronized fenofibrate, and atorvastatin 40 mg + 1g extended-release niacin.
Main Results:
- All treatment groups showed significant reductions in lipid fractions after six months.
- Rosuvastatin and combination therapies (atorvastatin + fenofibrate or niacin) demonstrated greater Lp(a) reduction compared to atorvastatin alone.
- No adverse effects were reported in any treatment group, indicating good safety profiles.
Conclusions:
- Rosuvastatin appears more effective than atorvastatin in decreasing Lp(a) levels.
- Combination therapy with fenofibrate or extended-release niacin can enhance the efficacy of atorvastatin in managing elevated Lp(a).
- These findings suggest potential therapeutic benefits of specific statin regimens and add-on therapies for patients with elevated Lp(a).
Background:
There are little evidences about the therapeutic efficacy of different lipid-lowering agents in the reduction of elevated lipoprotein(a) [Lp(a)].
Objective:
testing the effect of different lipid-lowering agents on elevated Lp(a).
Methods:
prospective interventional study performed in patients with CAD, or high CAD risk, with Lp(a), >50 mg/dL. Lp(a), total cholesterol (C), HDL-C, LDL-C, triglycerides (TGs), apolipoprotein (Apo) A1, Apo B, enzymes of myocyte and hepatic injury were comparatively analyzed between 4 lipid-lowering strategies: rosuvastatin (R group) 40 mg, atorvastatin (A group) 80 mg, atorvastatin 40 mg add-on micronized fenofibrate (A+F group), and atorvastatin 40 mg add-on 1 g extended-release niacin (A+ERN group). Comparison was made for their therapeutic efficacy on Lp(a), and safety.
Results:
87 patients with mean Lp(a) 94.6 ± 39.6 mg/dL were analyzed. Groups: 25 patients in the R, 22 in the A, 20 in the A+F and 20 in A+ERN group. Significant reduction in all lipid fractions in all treatment groups was reported after 6 months. The average reduction of Lp(a) was 15.9 ± 21.0 mg/dL, with: 18.2 ± 24.8 (P = 0.001) in the R group, 17.3 ± 10.4 (P = 0.001) in A+F, 19.5 ± 10.9 (P = 0.001) in A+ERN and the lowest in the A group (11.24 ± 22.91, P = 0.032). No adverse effects were observed in any of the treatment groups.
Conclusions:
When compared with atorvastatin, it seems that rosuvastatin can achieve more significant decrease of Lp(a).The efficacy of the second one can be increased by adding fibrate or ERN.
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