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Scientific Poster Download
Poster modified on 16/04/2026
WuXiTecan-2 a hydrophilic exatecan linker-payload for dual-payload ADC discovery
WuXiTecan-2 is a proprietary hydrophilic exatecan payload–linker with enhanced hydrophilicity and superior plasma stability, making it suitable for both single and dual-payload ADC development.
WuXiTecan-2 demonstrated favorable pharmacokinetic (PK) profiles in both rodent and cynomolgus monkey studies, WuXiTecan-2(DAR8) ADCs were well tolerated at the highest dose tested in cyno studies (45mg/kg, Q3Wx3).
In vivo, WuXiTecan-2 ADCs showed improved efficacy compared with DXd-based payloads, efficacy comparable to other exatecan payload–linkers in clinical development, and enhanced, more durable anti-tumor activity in dual-payload ADC (dp-ADC) formats.
Further linker optimization can improve the safety profile of dual-payload ADCs.
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