“Repeat dose toxicology studies were conducted with elacestrant in rats and monkeys for up to 26 and 39 weeks, respectively, administered via daily oral gavage”
✓ VerifiedFDA multi-discipline review, p. 41Source ↗
Why that species
Monkey chosen as non-rodent because its reproductive system morphology, hormonal changes and menstrual cycle closely resemble humans
“The Applicant provided a justification for the use of non-human primates as non-rodent species, indicating that morphological and hormonal changes in the reproductive system and menstrual cycle phases of monkeys closely resemble those of humans.”
“Repeat dose toxicology studies were conducted with elacestrant in rats and monkeys for up to 26 and 39 weeks, respectively, administered via daily oral gavage”
✓ VerifiedFDA multi-discipline review, p. 41Source ↗