Simvastatin should be avoided and atorvastatin may be used with caution in persons taking RTV and SQVsgc. Dose adjustment of pravastatin may be necessary with concomitant use of RTV and SQVsgc. Pravastatin does not alter the NFV pharmacokinetics, and thus appears to be safe for concomitant use.
Smoked and oral cannabinoids did not seem to be unsafe in people with HIV infection with respect to HIV RNA levels, CD4+ and CD8+ cell counts, or protease inhibitor levels over a 21-day treatment.
Despite a statistically significant decrease in C(max) of IDV in the marijuana arm, the magnitude of changes in IDV and NFV pharmacokinetic parameters in the marijuana arm are likely to have no short-term clinical consequence. The use of marijuana or dronabinol is unlikely to impact antiretroviral efficacy.
The results for indinavir suggest that metabolic induction occurs during pregnancy, which apparently resolves spontaneously postpartum. This may warrant dosage adjustment during pregnancy. This induction is offset by concomitant use of ritonavir. Nelfinavir results were variable and, therefore, the impact of pregnancy on nelfinavir disposition was not fully determined.
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