NKX019, Intravenous Allogeneic Chimeric Antigen Receptor Natural Killer Cells (CAR NK), in Adults With B-cell Cancers

Inclusion Criteria:

General:

Eastern Cooperative Oncology Group (ECOG) performance status ≤1

• Disease Related:

Have a histologically or cytologically confirmed diagnosis of r/r B cell NHL or CLL or B-ALL as defined by WHO 2016 classification
Subjects who received prior CD19/CD20-directed therapy must have disease that remains CD19+ and/or CD20+ respectively
Have measurable disease
Have received ≥2 lines of therapy except subjects with MCL, CAR T Naïve cohorts and WM, who must have received at least 1 prior line of therapy
Have received a combination of an anti CD20 monoclonal antibody and cytotoxic chemotherapy for subjects with NHL

Received:

BTKi for subjects with MCL, CLL/SLL, WM, and other indications where a BTKi is approved
Venetoclax for subjects with CLL/SLL
Tyrosine kinase inhibitor for subjects with Philadelphia chromosome (Ph+) B-ALL
Not responded or relapsed within 12 months of completion of their prior line of therapy, with the exception of a newly diagnosed Richter's transformation of CLL/SLL or other transformation of an indolent lymphoma, including from WM
Subjects must not have evidence of rapidly progressive disease that would preclude subject from completing at least 1 cycle of treatment.
Adequate organ function
White blood cell count of ≤20 × 109/L
Platelet count ≥30,000/uL

Exclusion Criteria:

• Disease related:

Burkitt Lymphoma, primary central nervous system (CNS) lymphoma, Richter's transformation to Hodgkin lymphoma
Subjects with WM who underwent plasmapheresis <35 days prior to the first dose of NKX019
Subjects with NHL with any evidence of active CNS malignancy
Subjects with B-ALL who have extramedullary disease (EMD)
Subjects with any prior cellular therapy except subjects enrolling in selected cohorts who must have received prior CAR T therapy, recent HCT, or complications from HCT
Recent use of any cancer-directed therapy within protocol specified window prior to the first dose of NKX019
Residual toxicities ≥Grade 2 due to prior therapy
Other comorbid conditions and concomitant medications prohibited as per study protocol
Pregnant or lactating female