TABLE 1.

Extrapolated Human Radiation Dose Estimates for [225Ac]Ac-Ofatumumab

OrganEquivalent dose (mSv/MBq)
Adrenals400
Bladder wall275
Brain84
Breast260
Gallbladder235
Heart wall1,919
Intestine, small247
Intestine, large, lower260
Intestine, large, upper251
Kidney1,187
Liver1,833
Lung1,076
Marrow, red1,620
Muscle313
Ovaries943
Pancreas507
Skin260
Stomach wall240
Spleen1,803
Thymus638
Thyroid517
Uterus1,446
Effective dose883
Effective dose equivalent1,496
  • Mean absorbed doses after injection of [225Ac]Ac-ofatumumab into mice, extrapolated to adult human female model.