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Updated: Jun 28, 2026

Analytical Techniques for Assaying Nitric Oxide Bioactivity
11:28

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Published on: June 18, 2012

Evaluating niacin in its various forms.

R H Knopp1

  • 1Division of Metabolism, Endocrinology and Nutrition, Northwest Lipid Research Clinic, University of Washington, Seattle, USA.

The American Journal of Cardiology
|May 26, 2001
PubMed
Summary
This summary is machine-generated.

Immediate-release and extended-release niacin (Niaspan) show similar efficacy in improving lipid profiles. Extended-release niacin offers improved side effect profiles and patient compliance.

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Area of Science:

  • Pharmacology
  • Cardiovascular Medicine
  • Drug Formulation

Background:

  • Niacin, a lipid-lowering agent, is available in various formulations impacting its clinical use.
  • Inconsistent nomenclature for niacin formulations causes confusion among healthcare providers and patients.
  • Different niacin release profiles can lead to varied lipid effects and adverse event profiles.

Purpose of the Study:

  • To compare the efficacy and safety of immediate-release niacin versus extended-release formulations.
  • To evaluate lipid-modifying effects, specifically triglyceride and high-density lipoprotein cholesterol (HDL-C) levels.
  • To assess differences in adverse reaction profiles and patient compliance between formulations.

Main Methods:

  • Comparative study analyzing clinical trial data on niacin formulations.
  • Focus on studies comparing immediate-release niacin with once-daily, extended-release prescription niacin (Niaspan).
  • Evaluation of lipid parameters (triglycerides, HDL-C) and reported side effects.

Main Results:

  • Immediate-release and extended-release niacin (Niaspan) demonstrated comparable efficacy in reducing triglycerides.
  • Both formulations were equally effective in increasing high-density lipoprotein cholesterol (HDL-C).
  • Extended-release niacin (Niaspan) was associated with fewer side effects and enhanced patient compliance.

Conclusions:

  • Extended-release niacin (Niaspan) offers a favorable alternative to immediate-release niacin due to improved tolerability.
  • The choice of niacin formulation can significantly impact patient adherence and treatment outcomes.
  • Standardized nomenclature for niacin formulations is needed to prevent confusion.