Summary
This study is a multicenter, open-label, nonrandomized, sequential group, dose-escalation
study to assess safety, tolerability, pharmacokinetics and preliminary anti-tumor
activity of ascending doses of AZD5991 in subjects with relapsed or refractory
hematologic malignancies Part 1 of the study is monotherapy dose escalation. Closed
November 2020 Part 2 of the study is monotherapy expansion groups for relapsed/refractory
chronic lymphocytic leukaemia (CLL), AML/ myelodysplastic syndromes (MDS), and multiple
myeloma (MM). Closed November 2020 Part 3 is a sequential, dose-escalation study of the
combination of AZD5991 and venetoclax in subjects with relapsed/refractory AML