trastuzumab deruxtecan
daiichi sankyo,astrazeneca
['daisy', 'congrat', 't-dxd', 'bcsm']
new intriguing data from #daisy. of 5 pts with erbb2del, 4 did not respond to t-dxd (2 her2-low, 2 her2-0). slx4 mutations were observed in 20% (4/20) biopsies post-t-dxd, of which 2 not detectable at baseline. congrats to &amp; team! #bcsm #esmo22 
MD, Research Fellow @DanaFarber | @harvardmed | @IEOufficiale | @LaStatale. Interested in breast oncology, HER2, ADCs & good music. Coffee expert.