Abstract
HIV-infected travellers frequently use atovaquone/ proguanil as malaria prophylaxis. We compared atovaquone/ proguanil pharmacokinetics between healthy volunteers and HIV-infected patients taking efavirenz, lopinavir/ ritonavir or atazanavir/ritonavir. The geometric mean ratio (95% confidence interval) area under the curve (AUC)(0 -> t) for atovaquone relative to the healthy volunteers was 0.25 (0.16-0.38), 0.26 (0.17-0.41) and 0.54 (0.350.83) for patients on efavirenz, lopinavir/ ritonavir and atazanavir/ ritonavir, respectively. Proguanil plasma concentrations were also significantly lower (38-43%). Physicians should be alert for atovaquone/ proguanil prophylaxis failures in patients taking efavirenz, lopinavir/ ritonavir or atazanavir/ ritonavir.
Original language | Undefined/Unknown |
---|---|
Pages (from-to) | 1223-1226 |
Number of pages | 4 |
Journal | AIDS |
Volume | 24 |
Issue number | 8 |
DOIs | |
Publication status | Published - 2010 |
Research programs
- EMC MM-01-25-01
- EMC MM-04-28-04