Table 2 Overview of NK cell-based immunotherapies in clinical trials for pediatric AML (R/R: relapse/refractory).

From: Targeting the innate immune system in pediatric and adult AML

Therapy

Disease stage

Age (in years)

Phase

Conditioning therapy

Year

NCT

NK cell transplant (haploidentical)

R/R AML

<30

2

Chemotherapy (Busulfan, cyclophosphamide)

2007–2020

NCT00553202

R/R AML

<120

2

Chemotherapy (Cyclophosphamide, fludarabine)

2007–2016

NCT00526292

BM transplantation within the past 4–6 weeks

<65

1

2007–2013

NCT00569283

R/R AML

>2

2

Chemotherapy (Cyclophosphamide, fludarabine)

2006–2017

NCT00274846 [159]

R/R AML

<18

2

Chemotherapy (Cyclophosphamide, fludarabine)

2009–2010

NCT00871689

R/R AML

4–35

1

Stem cell infusion

2011–2019

NCT01287104 [160]

Umbilical cord blood transplant

R/R AML

<18

2

Chemotherapy (Cyclophosphamide, fludarabine), Total-body irradiation

2009–2012

NCT00871689

R/R AML

<45

2

Chemotherapy, Radiation

2006–2012

NCT00354172

Memory-like NK

R/R AML

1–21

2

Chemotherapy (Fludarabine, Ara-C)

2020–ongoing

NCT04354025

R/R AML

>1

2

CD3+ T Cell Product Infusion

2017–ongoing

NCT03068819 [151]

R/R AML

>2

2

Chemotherapy (Cyclophosphamide, fludarabine), IL-2

2013–2023

NCT01898793 [161]

Anti-CD38 and FT538 (target therapy)

R/R AML

>11

1

Chemotherapy (Cyclophosphamide, fludarabine)

2021–ongoing

NCT04714372

TriKe (CD163-NKp46-CD16a)

R/R AML

>1

1

2

2021–ongoing

NCT05086315

JK500 cell injection

R/R AML

<18

Early 1

 

2022–ongoing

NCT05519384