Ritonavir

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** 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.

**Synonyms:** - Norvir - Norvir - Norvir - RIT - RITONAVIR - ritonavir