Hos både rotter og aber, der fik 4- 6 gange højere doser end den forventede kliniske terapeutiske dosis, sås tegn på levertoksicitet, herunder forhøjede enzymer og morfologisk ændring i forsøg af 3 måneders varighed.
In 3 month studies, evidence of liver toxicity, including elevated enzymes and morphologic alterations, was observed in both rats and monkeys at doses 4- to 6-fold higher than the anticipated clinical therapeutic exposure.