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. 2024 Oct 11;4(10):2660–2672. doi: 10.1158/2767-9764.CRC-24-0413

Table 1.

Serum stability of STI-8811 in rat, cynomolgus monkey, and human serum determined by the percentage of payload release over 21 days (n = 3)

Species Concentration tested % payload released
Rat 100 μg/mL 0.83%
Cynomolgus monkey 0.22%
Human 0.54%
0.5% BSA PBS 0.13%

Payload concentration was measured by LC-MS/MS and converted to the percentage of the total ADC payload.