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Antiretroviral therapy-induced liver alterations
1Department of Rheumatology and Clinical Immunology, Freiburg University Hospital, D-79106 Freiburg, Germany. ulrich.walker@klinikum.uni-freiburg.de
Current Opinion in HIV and AIDS
|April 18, 2009
Summary
Antiretroviral drugs can cause liver damage (hepatotoxicity) in HIV patients, leading to hospitalizations. Understanding risk factors and mechanisms is crucial for managing this prevalent side effect.
Area of Science:
- Hepatology
- Infectious Diseases
- Pharmacology
Background:
- Hepatotoxicity is a significant concern in HIV-infected individuals.
- Liver damage is a leading cause of hospitalization among this population.
Purpose of the Study:
- To review the prevalence, contributing factors, and mechanisms of antiretroviral drug-induced hepatotoxicity.
- To update knowledge on liver toxicity associated with various antiretroviral drug classes.
Main Methods:
- Literature review of studies on antiretroviral drug hepatotoxicity.
- Analysis of prevalence data and identified risk factors.
- Examination of proposed mechanisms of liver injury.
Main Results:
- Hepatotoxicity is highly prevalent in HIV patients, with liver steatosis observed in both coinfected and noncoinfected individuals.
- Specific drugs like nevirapine and certain nucleoside analogues show strong associations with severe liver toxicity and mitochondrial damage.
- Mechanisms include mitochondrial toxicity, UDP-glucuronosyltransferase inhibition by atazanavir, and potential cytokine imbalance from CCR5 inhibitors.
Conclusions:
- All classes of antiretroviral agents are associated with hepatotoxicity.
- Antiretroviral drug-induced liver injury remains a significant clinical problem contributing to hospitalizations in HIV patients.
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