“The nonclinical safety profile of lonafarnib was evaluated in cardiovascular safety pharmacology studies in monkeys, repeated dose oral toxicology studies in rats for up to 6 months and in monkeys for up to 1 year”
Repeat-dose studies up to 6 months in rats and 12 months in cynomolgus monkeys
“Overall, the toxicity profile of lonafarnib has been characterized via single-dose toxicity studies in mice and rats, repeat-dose toxicity studies (up to 6 months in Sprague Dawley rats and 12 months in cynomolgus monkeys)”