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Related Experiment Videos

[Fenofibrate induced polymyositis].

F Sauvaget1, J C Piette, S Herson

  • 1Service du Médecine Interne, Groupe Hospitalier Pitié-Salpêtrière, Paris.

La Revue De Medecine Interne
|January 1, 1991
PubMed
Summary
This summary is machine-generated.

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Fenofibrate, a medication for high cholesterol, can cause drug-induced polymyositis. Discontinuing the drug led to rapid recovery in a patient with severe muscle symptoms.

Area of Science:

  • Neurology
  • Rheumatology
  • Pharmacology

Background:

  • Polymyositis is an inflammatory condition causing muscle weakness.
  • Drug-induced myopathies are a recognized adverse effect of various medications.

Observation:

  • A 65-year-old man presented with severe myalgias and muscle weakness.
  • Elevated creatine phosphokinase (CPK) levels (35x normal), myogenic electromyogram, and muscle biopsy findings confirmed polymyositis.
  • The patient had a 10-year history of fenofibrate use for hyperlipidemia, with recent high dosage (600 mg/day).

Findings:

  • Discontinuation of fenofibrate resulted in complete resolution of clinical and laboratory abnormalities within 8 days.
  • A subsequent fenofibrate reintroduction challenge caused a significant increase in CPK levels (43x normal), confirming the drug's causal role.

Related Experiment Videos

  • Fenofibrate withdrawal led to rapid and sustained recovery.

    • Implications:

    • This case highlights fenofibrate as a potential cause of iatrogenic polymyositis.
    • Clinicians should consider fenofibrate-induced myopathy in patients presenting with unexplained muscle inflammation.
    • Awareness of this adverse effect is crucial for patient safety and appropriate management of hyperlipidemia.