In vitro- studier har vist, at docetaxels metabolisme kan ændres ved samtidig medicinering med stoffer, som inducerer, hæmmer eller metaboliseres (og således hæmmer enzymet kompetitivt) af cytochrom P450 3A, f. eks ciclosporin, terfenadin, ketokonazol, erythromycin og troleandromycin.
In vitro studies have shown that the metabolism of docetaxel may be modified by the concomitant administration of compounds which induce, inhibit or are metabolised by (and thus may inhibit the enzyme competitively) cytochrome P450-3A such as ciclosporine, terfenadine, ketoconazole, erythromycin and troleandomycin.