Effect of very-low-dose niacin on high-density lipoprotein in patients undergoing long-term statin therapy

Jennifer Wink1, George Giacoppe, James King

  • 1Department of Medicine, Madigan Army Medical Center, Tacoma, WA 98431, USA.

American Heart Journal
|February 28, 2002
PubMed

Insights

Very low-dose niacin, when added to statin therapy, significantly increases high-density lipoprotein cholesterol (HDLC) levels. This approach offers a safer alternative to traditional niacin doses, with minimal side effects for coronary artery disease risk reduction.

Area of Science:

  • Cardiology
  • Pharmacology
  • Metabolic Diseases

Background:

  • Low high-density lipoprotein cholesterol (HDLC) is a significant risk factor for coronary artery disease.
  • Niacin effectively raises HDLC but is limited by dose-dependent side effects.
  • Investigating very low-dose niacin with statins aims to mitigate side effects while improving lipid profiles.

Purpose of the Study:

  • To evaluate the efficacy of very low-dose niacin in combination with statin therapy.
  • To determine if this combination significantly increases HDLC levels.
  • To assess the side effect profile compared to traditional niacin doses.

Main Methods:

  • A randomized, double-blind, placebo-controlled trial involving 50 patients on stable statin therapy.
  • Participants received either placebo or 50 mg niacin twice daily for 3 months.
  • Exclusion criteria included diabetes and active smoking; primary endpoints were changes in HDLC and reported side effects.

Main Results:

  • The addition of very low-dose niacin to statin therapy resulted in a significant mean increase in HDLC (2.1 mg/dL, p=0.0246).
  • Flushing was reported by 5 patients in the niacin group versus 2 in the placebo group.
  • No major side effects were observed, and no patients discontinued medication due to adverse events.

Conclusions:

  • Very low-dose niacin, when combined with statin therapy, effectively increases HDLC cholesterol.
  • This therapeutic strategy appears to avoid the significant side effects associated with higher niacin doses.
  • The findings support the use of very low-dose niacin as an adjunct to statins for managing lipid profiles.
Abstract

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