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Successful Transfer of Umbilical Cord Blood CD34+ Hematopoietic Stem and Progenitor-derived NK Cells in Older Acute Myeloid Leukemia Patients

  • Harry Dolstra*
  • , Mieke W. H. Roeven
  • , Jan Spanholtz
  • , Basav N. Hangalapura
  • , Marleen Tordoir
  • , Frans Maas
  • , Marij Leenders
  • , Fenna Bohme
  • , Nina Kok
  • , Carel Trilsbeek
  • , Jos Paardekooper
  • , Anniek B. van der Waart
  • , Peter E. Westerweel
  • , Tjeerd J. F. Snijders
  • , Jan Cornelissen
  • , Gerard Bos
  • , Hans F. M. Pruijt
  • , Aniek O. de Graaf
  • , Bert A. van der Reijden
  • , Joop H. Jansen
  • Arnold van der Meer, Gerwin Huls, Jeannette Cany, Frank Preijers, Nicole M. A. Blijlevens, Nicolaas M. Schaap
*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Purpose: Older acute myeloid leukemia (AML) patients have a poor prognosis; therefore, novel therapies are needed. Allogeneic natural killer (NK) cells have been adoptively transferred with promising clinical results. Here, we report the first-inhuman study exploiting a unique scalable NK-cell product generated ex vivo from CD34(+) hematopoietic stem and progenitor cells (HSPC) from partially HLA-matched umbilical cord blood units.

Experimental Design: Ten older AML patients in morphologic complete remission received an escalating HSPC-NK cell dose (between 3 and 30 x 10(6)/kg body weight) after lymphodepleting chemotherapy without cytokine boosting.

Results: HSPC-NK cell products contained a median of 75% highly activated NK cells, with

Conclusions: These findings indicate that HSPC-NK cell adoptive transfer is a promising, potential "off-the-shelf" translational immunotherapy approach in AML. (C) 2017 AACR.

Original languageEnglish
Pages (from-to)4107-4118
Number of pages12
JournalClinical Cancer Research
Volume23
Issue number15
DOIs
Publication statusPublished - 1 Aug 2017

Keywords

  • NATURAL-KILLER-CELLS
  • REGULATORY T-CELLS
  • IN-VIVO EXPANSION
  • REDUCED-INTENSITY
  • LYMPHODEPLETING CHEMOTHERAPY
  • CONDITIONING REGIMEN
  • COMPLETE REMISSION
  • WORKING PARTY
  • TRANSPLANTATION
  • CANCER

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