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. 2023 Jun;64(6):924–931. doi: 10.2967/jnumed.122.265167

TABLE 1.

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

Organ Equivalent dose (mSv/MBq)
Adrenals 400
Bladder wall 275
Brain 84
Breast 260
Gallbladder 235
Heart wall 1,919
Intestine, small 247
Intestine, large, lower 260
Intestine, large, upper 251
Kidney 1,187
Liver 1,833
Lung 1,076
Marrow, red 1,620
Muscle 313
Ovaries 943
Pancreas 507
Skin 260
Stomach wall 240
Spleen 1,803
Thymus 638
Thyroid 517
Uterus 1,446
Effective dose 883
Effective dose equivalent 1,496

Mean absorbed doses after injection of [225Ac]Ac-ofatumumab into mice, extrapolated to adult human female model.