Comparison of protease genotype and phenotype in HIV-1 infected patients exposed to more than one protease inhibitor.

Abstract excerpt

Many patterns of mutations selected by HIV-1 protease inhibitors have been described, but in most cases isolates with these patterns have been obtained from pre-clinical studies or after failures of monotherapies. We compared genotype and phenotype in HIV-1 infected patients who have failed more than one PI-including regimen. Phenotypic resistance could arise also in the absence of specific primary mutations and...

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