Among 10 patients in the maximum tolerated dose (MTD) cohort at the dose of 400 μg/d, the overall response rate (ORR) was 70% with 5 MRD-negative CR, 1 very good partial response (VGPR), and 1 PR. 2021 May 26, Shujie Zhou, Mingguo Liu, Fei Ren, Xiangjiao Meng, Jinming Yu, “The landscape of bispecific T cell engager in cancer treatment”, in Biomarker Research, volume 9, →DOI, article 38, page 4:
(abbreviation, alt-of, countable, initialism, uncountable) Initialism of month to date.