TABLE 1

ED50 and Relative Potency of DOTA-Conatumumab and Copper-DOTA-Conatumumab, Compared with Conatumumab, in In Vitro Apoptosis Assay

ED50Percentage coefficient of variationRelative potency (mean ± SD)
Sampleng/mL ± SDpM ± SDn
Conatumumab20 ± 4.6135 ± 3123.2100.0% ± 3.4%5
DOTA-conatumumab19 ± 4.4128 ± 3022.6102.8% ± 11.5%5
Copper-DOTA-conatumumab*25.0 ± 7.028.084.8% ± 2.9%3
  • * Molecular weight cannot be accurately determined with mass spectrometry.