Earendil Labs

Oncology ADC and T-cell engager pipeline

In Development

A preclinical oncology set listed on Earendil's pipeline page: CDH17 dual-payload ADC (HXN-2001), CEACAM5/CDH17 TCE and ADC, GUCY2C TCE, DLL3 TCE and dual-payload ADC, B7-H3 ADC, TROP2/PD-L1 and EGFR/PD-L1 bispecific ADCs, and a PD-1/IL-15 fusion protein. February 2026 WuXiTecan-2 license is meant to supply payload-linkers for a subset of these ADCs.

Latest update Sep 18, 2026

Oncology ADC and T-cell engager pipeline

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Current status

Preclinical / IND-enabling. Company has said multiple INDs are planned in 2026 and 2027 without naming which oncology assets file first. No oncology program has been reported in the clinic.

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Specifications2

Named oncology programs
10 listed (HXN-2001 through HXN-2031 series)
ADC payload-linker

Exclusive WuXiTecan-2 license, up to ~$885M plus royalties (Feb 2026)

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