Abstract

Meeting abstracts Adoptive transfer of haploidentical natural killer (NK) cells can induce remissions in patients with AML. Despite lymphodepleting chemotherapy failure may result from suppression by host regulatory T cells (Treg). We report outcomes of 57 refractory AML patients treated with

Highlights

  • Adoptive transfer of haploidentical natural killer (NK) cells can induce remissions in patients with AML

  • We report outcomes of 57 refractory AML patients treated with cyclophosphamide and fludarabine followed by haploidentical NK cells and exogenous IL-2 to facilitate NK proliferation

  • NK cell-enriched product characteristics are described for three production methods

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Summary

Introduction

Adoptive transfer of haploidentical natural killer (NK) cells can induce remissions in patients with AML. Transient regulatory T-cell (Treg) depletion with IL-2 diphtheria toxin fusion protein enhances clearance of acute myeloid leukemia by haploidentical natural killer (NK) cells Veronika Bachanova*, Sarah Cooley, Todd Defor, Michael R Verneris, Bin Zhang, David McKenna, Julie Curtsinger, Angela Panoskaltsis-Mortari, Dixie Lewis, Keli Hippen, Philip McGlave, Daniel Weisdorf, Bruce R Blazar, Jeffrey S Miller From Society for Immunotherapy of Cancer 28th Annual Meeting National Harbor, MD, USA.

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