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Statin drugs decrease progression to cirrhosis in HIV/hepatitis C virus coinfected individuals.

Nora T Oliver1, Christine M Hartman, Jennifer R Kramer

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Statins may reduce cirrhosis risk in HIV/HCV coinfected patients without advanced liver disease. However, diabetes and low HDL increase cirrhosis risk in those with abnormal ALT levels.

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Area of Science:

  • Hepatology and Infectious Diseases
  • Cardiovascular Pharmacology

Background:

  • Chronic coinfection with HIV/HCV increases risks of cirrhosis, liver cancer, and mortality.
  • Statins (HMG-CoA inhibitors) possess anti-inflammatory properties potentially beneficial for liver disease progression.

Purpose of the Study:

  • To investigate the impact of statin use on liver disease progression in HIV/HCV coinfected veterans.
  • To identify risk factors for cirrhosis in this population, stratified by liver enzyme levels.

Main Methods:

  • Utilized data from the Veterans Affairs HIV and HCV Clinical Case Registries (1999-2010).
  • Analyzed HIV, metabolic variables (diabetes, low HDL, hypertension), and time-updated statin use.
  • Employed Cox proportional hazards analysis to assess cirrhosis risk, stratified by ALT levels.

Main Results:

  • Statin use was protective against cirrhosis in patients with ALT ≤ 40 IU/l (HR 0.68 per 30% increase in statin use).
  • Diabetes and low HDL were significantly associated with increased cirrhosis risk in patients with ALT > 40 IU/l.

Conclusions:

  • Statin therapy can mitigate liver disease progression risk in HIV/HCV coinfected individuals without advanced liver disease.
  • Abnormal ALT levels in coinfected patients amplify the cirrhosis risk associated with diabetes and low HDL.