Ritonavir-boosted protease inhibitors in HIV therapy.

Article Details


Hull MW, Montaner JS

Ritonavir-boosted protease inhibitors in HIV therapy.

Ann Med. 2011 Aug;43(5):375-88. doi: 10.3109/07853890.2011.572905. Epub 2011 Apr 18.

PubMed ID
21501034 [ View in PubMed

The advent of combination antiretroviral therapy has led to significant improvement in the care of HIV-infected patients. Originally designed as a protease inhibitor (PI), ritonavir is currently exclusively used as a pharmacokinetic enhancer of other protease inhibitors, predominantly due to ritonavir's potent inhibition of the cytochrome P450 3A4 isoenzyme. Ritonavir-boosting of PIs decrease pill burden and frequency of dosing. Boosted PIs are recommended for first-line therapy in treatment and play a key role in the management of treatment-experienced patients. Potential problems associated with PIs include metabolic abnormalities (e.g. dyslipidemia), increased cardiovascular risk, and drug interactions.

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