Saracatinib and Dacomitinib block the oncogenic Δ16HER2/Src axis in vitro.
Erk signaling escape pathway mediates acquired resistance to Saracatinib in vivo.
Δ16HER2+ breast tumors are refractory to reversible TKI Lapatinib.
Δ16HER2+ breast tumors are responsive to irreversible TKI Dacomitinib.