Trastuzumab deruxtecan
Daiichi Sankyo,AstraZeneca
['tnbc']
 #asco23 512 patients with tnbc followed by multiple biopsies. with each successive biopsy 1/3 of patients become her2 low, 83% of patients became her2 low after 3 biopsies. await destiny06 results of txd in her2 ultra low. until then, consider repeat biopsy in tnbc.
Breast med oncology, chief hem/onc @NYPBrooklyn, prof clinical med @WeillCornell, ethics/spirituality in medicine; long time NY #Jets sufferer; tweets my own