Drug-drug interaction between itraconazole and the antiretroviral drug lopinavir/ritonavir in an HIV-1-infected patient with disseminated histoplasmosis.

Kristel M L Crommentuyn*, Jan W. Mulder, Rolf W. Sparidans, Alwin D R Huitema, Jan H M Schellens, Jos H. Beijnen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

We describe a drug-drug interaction between coformulated lopinavir/ritonavir and itraconazole in a patient infected with human immunodeficiency virus type 1 who had disseminated histoplasmosis. Coadministration of these agents led to a strong increase in itraconazole concentrations and a decrease in concentrations of its metabolite, hydroxyitraconazole, which is equally active pharmacologically. The dosage of itraconazole was reduced when it was used in combination with lopinavir/ritonavir.

Original languageEnglish
Pages (from-to)e73-5
Number of pages3
JournalClinical Infectious Diseases
Volume38
Issue number8
Publication statusPublished - 2004

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