Related Experiment Video
Updated: Jun 16, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
A new paradigm for managing dyslipidemia with combination therapy: laropiprant + niacin + simvastatin
Kai-Hang Yiu1, Bernard My Cheung, Hung-Fat Tse
1The University of Hong Kong, Division of Cardiology, Department of Medicine, Hong Kong, China.
Insights
This review examines simvastatin/extended-release niacin/laropiprant combination therapy for mixed dyslipidemia. It aims to improve high-density lipoprotein cholesterol (HDL-C) and reduce cardiovascular risk while managing niacin-induced flushing.
Area of Science:
- Cardiovascular pharmacology
- Lipid metabolism and management
- Pharmacotherapy for dyslipidemia
Background:
- Mixed dyslipidemia poses residual cardiovascular risk despite statin therapy.
- Niacin effectively raises HDL-C but causes flushing, limiting its use.
- Laropiprant reduces niacin-induced flushing, but long-term effects require study.
Purpose of the Study:
- To review the pharmacological properties of simvastatin/ER niacin/laropiprant.
- To evaluate the clinical efficacy of this triple combination therapy.
- To discuss the future perspective of this treatment approach.
Main Methods:
- Review of pharmacological data.
- Analysis of clinical trial outcomes.
- Synthesis of current literature on the combination therapy.
Main Results:
- Simvastatin/ER niacin/laropiprant combination therapy is reviewed for its mechanism and clinical effects.
- The combination aims to provide comprehensive treatment for mixed dyslipidemia.
- Understanding of the therapy's impact on lipid profiles and cardiovascular outcomes.
Conclusions:
- Triple combination therapy may mitigate flushing side effects associated with niacin.
- This approach offers a potential strategy for more effective management of mixed dyslipidemia.
- Further research is needed on long-term efficacy and safety.
Importance Of The Field:
Despite effective lowering of low-density lipoprotein cholesterol (LDL-C) with statin for prevention of cardiovascular adverse events, residual risk remains high due to low high-density lipoprotein cholesterol (HDL-C) levels in patients with mixed dyslipidemia. As a result, alternative treatment options to raise HDL-C are being investigated intensively. Currently, niacin is the most potent lipid lowering agent for raising HDL-C levels together with lowering of triglyceride and LDL-C. Previous clinical studies have demonstrated that niacin therapy significantly reduces the risk of cardiovascular events in high risk subjects. However, the clinical use of niacin is limited by its major adverse effect, cutaneous flushing. Although the use of extended-release (ER) formulation can reduce flushing, the tolerability and compliance of niacin remains suboptimal. A selective antagonist of prostaglandin D Type 1 receptor, laropiprant, has been investigated in a number of clinical studies and shown to be effective in reducing niacin-induced flushing. Despite the potential of laropiprant in reducing niacin-induced flushing, the long-term clinical efficacy and potential off-target side effects are not well studied. AREAS COVERED IN THIS REVIEWS: In this article, the pharmacological properties, clinical efficacy and future perspective of this combination therapy of simvastatin/ER niacin/laropiprant are reviewed.
What The Reader Will Gain:
Readers will understand both the mechanism and clinical effects of the combination therapy of simvastatin/ER niacin/laropiprant.
Take Home Message:
The triple combination therapy of simvastatin/ER niacin/laropiprant may reduce flushing side effects and facilitate a more comprehensive treatment for patients with mixed dyslipidemia.
Related Concept Videos
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Atherosclerosis III: Management
Atherosclerosis IV: Nursing Management
Coronary Artery Disease V: Interprofessional Care
Lipid Absorption
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
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...
