Related Experiment Video
Updated: May 27, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
Extended release niacin-laropiprant in patients with hypercholesterolemia or mixed dyslipidemias improves clinical
1School of Pharmacy and Life Sciences, Robert Gordon University, Schoolhill, Aberdeen, AB10 1FR, Scotland, UK.
Insights
Extended-release niacin with laropiprant offers an effective strategy for managing hypercholesterolemia and mixed dyslipidemias. This combination addresses low HDL-C and high TGs, improving cardiovascular risk factors.
Area of Science:
- Cardiovascular Medicine
- Pharmacology
Background:
- Atherosclerosis progression is a significant cause of mortality, driven by immunological responses to risk factors.
- Statins effectively reduce LDL-C but offer limited risk reduction; other factors like low HDL-C and high TGs are crucial.
- Niacin normalizes HDL-C but is underutilized due to flushing side effects.
Purpose of the Study:
- To review the clinical efficacy of extended-release niacin combined with laropiprant.
- To evaluate this combination therapy for hypercholesterolemia and mixed dyslipidemias.
Main Methods:
- Review of clinical evidence on extended-release niacin and laropiprant.
- Analysis of treatment outcomes for hypercholesterolemia and mixed dyslipidemias.
Main Results:
- Extended-release niacin is effective in normalizing HDL-C.
- Laropiprant, a DP1 antagonist, mitigates niacin-induced flushing.
- The combination demonstrates clinical efficacy in managing lipid profiles.
Conclusions:
- Extended-release niacin and laropiprant offer a promising therapeutic option.
- This combination addresses key lipid targets and improves treatment tolerability.
- It represents an important advancement in managing dyslipidemias and cardiovascular risk.
Abstract:
The progression of atherosclerosis remains a major cause of morbidity and mortality. Plaque formation is an immunological response driven by a number of risk factors, and reduction of risk is the primary goal of treatment. The role of LDL-C is well established and statins have proved effective drugs, although the relative risk reduction is only around 30%. The importance of other factors-notably low HDL-C and high TGs-has become increasingly clear and the search for alternative strategies continues. Niacin is particularly effective in achieving normalization of HDL-C but is clinically underutilized due to the side effect of cutaneous flushing. The discovery that flushing is mediated by mechanisms distinct from the lipid-lowering effects has led to the development of combination drugs with reduced side effects. This review considers the evidence regarding the clinical efficacy of extended-release niacin and the DP1 antagonist laropiprant in the treatment of hypercholesterolemia and mixed dyslipidemias.
Related Concept Videos
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Atherosclerosis III: Management
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Peripheral Artery Disease III: Interprofessional Care
Modified-Release Drug Delivery Systems: Influencing Factors
Atherosclerosis IV: Nursing Management
