Table 2. Summary of ADC cytotoxicity assay.

Toxicity	DM1-ADC		MMAE-ADC
	This Studya*	Literature*	This studya*	Literature
IC50 (nM)	3.88	2.71–4.26a and 0.24b [25], 4.7a [43]	1.95	2.7–13.8c** [44], 0.60a** [45]
Viability (%)	<10	50–60a and 30–35b [25], 40b [46]	<10	5–15c** [19], 25a** [45]

Note: Cell lines:

^aBT474,

^bSK-BR-3, and

^c Karpas 299;

assay timeline:

*3 days and

**4 days.