Pharmacologic Substance
ritonavir Audio
[ ry-toh-nuh-veer ]
Brand Names:
Kaletra; Norvir
Effect:
Decreased Protein Synthesis; Increased Immunologically Active Molecule Activity
May Treat:
Acquired Immunodeficiency Syndrome
More Information:
ChemID; DrugBank; DailyMed; PDR
Definitions related to ritonavir:
  • A drug used to treat infection with HIV (the virus that causes AIDS). It is also being studied in the treatment of some types of cancer. Ritonavir blocks the ability of HIV to make copies of itself and may block the growth of cancer cells. It is a type of anti-HIV agent and a type of protease inhibitor.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • A peptidomimetic agent that inhibits both HIV-1 and HIV-2 proteases. Ritonavir is highly inhibited by serum proteins but boosts the effect of other HIV proteases by blocking their degradation by cytochrome P450.
    NCI
    U.S. National Cancer Institute, 2021
  • An HIV protease inhibitor that works by interfering with the reproductive cycle of HIV. It also inhibits CYTOCHROME P-450 CYP3A.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • HIV protease inhibitor that works by interfering with the replication cycle of HIV.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.