All other mutational subgroups ( RET non-M918T mutation, RAS mutation, RAS wt, RET and RAS wt, RET unknown status, and RET mutation of unknown significance) also exhibited decreased HR in response to cabozantinib treatment; the PFS differences in these subgroups did not reach statistical significance, although in some cases this was likely due to the small size of the subgroups.
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Recent advances in the biology and therapy of medullary thyroid carcinoma.
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Tumors were stratified by 111 In-DOTATATE scintigraphy for SSTR expression; in SSTR-positive midgut neuroendocrine tumors (NETs), 177 Lu-DOTATATE (Lutathera) treatment resulted in highly significant prolongation of PFS and OS and modestly increased objective response rate (ORR).