Not conducted; not necessary because of neutralizing anti-drug antibodies in rodents to lecanemab and its surrogate mAb158
“On March 19, 2014, the applicant was informed that a carcinogenicity assessment of lecanemab would not be necessary based on the development of neutralizing anti-drug antibodies in rodents treated with lecanemab or the mouse surrogate, mAb158.”
✓ VerifiedFDA pharmacology/toxicology review, p. 11Source ↗
Reproductive & developmental
Not conducted; reproductive and developmental toxicology studies not required
“No reproductive and developmental toxicology studies were conducted with lecanemab. The sponsor was informed on November 6, 2012, that reproductive and development toxicology studies are not required”
✓ VerifiedFDA pharmacology/toxicology review, p. 24Source ↗
Safety pharmacology
No stand-alone safety pharmacology studies (ICH S6(R1) and S7A)
“In accordance with ICH guidelines S6(R1) and S7A no stand-alone safety pharmacology studies were performed.”