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Colestipol-induced hepatotoxicity.

S M Sirmans¹, J K Beck, H L Banh

¹Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City 73104, USA.

Pharmacotherapy

|April 20, 2001

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Colestipol, a bile acid-binding resin used for dyslipidemia, can cause asymptomatic liver damage. Discontinuation led to rapid normalization of liver enzymes, highlighting the need for monitoring.

Area of Science:

Hepatology
Clinical Pharmacology

Background:

Bile acid-binding resins, such as colestipol, are frequently prescribed for managing type IIa dyslipidemia.
Hepatotoxicity is a rare but potential side effect associated with these lipid-lowering agents.

Observation:

A 65-year-old male patient presented with asymptomatic elevated liver enzymes (hepatotoxicity) after three months of colestipol treatment.
Transaminase levels were significantly elevated, reaching up to ten times the upper limit of normal.

Findings:

Discontinuation of colestipol resulted in a rapid and dramatic decrease in serum transaminases.
Liver function tests returned to normal within four weeks of ceasing colestipol therapy.
No other causes for hepatocellular injury were identified, and rechallenge was not performed.

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Implications:

This case underscores the rare risk of colestipol-induced hepatotoxicity in dyslipidemia patients.
Routine liver function test monitoring may be advisable for high-risk individuals undergoing treatment with bile acid-binding resins.
Educating patients on potential hepatotoxic side effects is crucial for early detection and management.