Natural Killer-cell Therapy for Acute Myeloid Leukemia

Inclusion Criteria:

* AML patients (de novo and secondary) or patients with MDS excess blasts-2 according to WHO criteria 2016, who have stable disease or non-rapidly progressive disease with or without disease controlling medication who are (at time of inclusion) ineligible for allo-SCT.
* Patients may belong to any of the following categories:

  * Relapsed/refractory disease after treatment with intensive chemotherapy, hypomethylating agents, targeted agents, autologous or allo-SCT (at least 6 months ago) and DLI
  * Newly diagnosed, untreated patients ineligible for allo-SCT

Other inclusion criteria:

* Age ≥ 18 years
* WHO performance 0-2
* Life expectancy of \> 4 months
* Written informed consent
* Hydrea is allowed as pre-treatment to control blast count until day -3
* Other disease controlling medication is allowed until day -7

Exclusion Criteria:

* Progressive disease according to ELN criteria in case of previous therapy
* Patients on immunosuppressive drugs or active GvHD
* Patients with active infections (viral, bacterial or fungal); acute anti-infectious therapy must have been completed within 14 days prior to study treatment
* Severe cardiovascular disease (CTCAE III-IV)
* Severe pulmonary dysfunction (CTCAE III-IV)
* Severe renal dysfunction (CTCAE III-IV)
* Severe hepatic dysfunction (CTCAE III-IV)
* Severe neurological or psychiatric dysfunction (CTCAE III-IV)
* Patients on concurrent chemotherapy or interferon-alpha treatment
* Pregnancy or breastfeeding