Amprenavir var ikke mutagent eller genotoksisk i en række genetiske toxicitets assays foretaget in vivo og in vitro herunder bakterielle tilbagemutations (Ames) test, muselymfomcelletest, mikronukleusundersøgelse hos rotter og kromosomafvigelsesprøve med perifere, humane lymfocytter.
Amprenavir was not mutagenic or genotoxic in a battery of in vivo and in vitro genetic toxicity assays, including bacterial reverse mutation (Ames Test), mouse lymphoma, rat micronucleus, and chromosome aberration in human peripheral lymphocytes.