Sustained-release niacin induced acute liver failure: an autopsy report

Authors

  • Hamza Tariq Department of Pathology and Laboratory Medicine, University of Texas Health Science Center, 7703 Floyd Curl Dr, San Antonio, Texas, USA, 78229
  • Francis E. Sharkey Department of Pathology and Laboratory Medicine, University of Texas Health Science Center, 7703 Floyd Curl Dr, San Antonio, Texas, USA, 78229

DOI:

https://doi.org/10.18203/2319-2003.ijbcp20180675

Keywords:

Niacin, Flushing, Hepatotoxicity, Sustained release

Abstract

Niacin, either alone or in combination with other anti-hyperlipidemic agents, safely and effectively addresses most lipid abnormalities in patients with mixed dyslipidemias. Niacin is the only available agent that significantly lowers lipoprotein (a) and has the greatest high density lipoprotein cholesterol-raising effects of all available agents. Despite niacin’s numerous beneficial lipid effects, patient compliance to long-term therapy is challenged by its common side effects which include nausea, pruritus, and vasodilatory flushing. The incidence of these unpleasant side effects in patients taking the Immediate Release (IR) form of the drug is close to 100 %. To avoid these side effects, Sustained Release (SR) formulations of the drug were created which lower the rate of nausea, flushing and pruritus markedly. Unfortunately, the SR form is associated with a high incidence of chemical hepatitis and rarely fulminant hepatic failure, which is not seen in patients taking the IR form. We report the autopsy findings of a 68 years old man who died of fulminant liver failure three weeks after switching from IR to SR form of niacin. All other toxic, infectious and autoimmune causes of liver failure were ruled out clinically. His liver biopsy one-week antemortem was consistent with chemical hepatitis, such as has been described for slow-release niacin. At autopsy the liver showed diffuse massive hepatic necrosis with no background fibrosis. SR Niacin is widely available over the counter; however, there is substantial scientific evidence that the drug is associated with potentially fatal hepatotoxicity.

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Published

2018-02-22

How to Cite

Tariq, H., & Sharkey, F. E. (2018). Sustained-release niacin induced acute liver failure: an autopsy report. International Journal of Basic & Clinical Pharmacology, 7(3), 569–572. https://doi.org/10.18203/2319-2003.ijbcp20180675

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Section

Case Reports