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Haploidentical Donor Cytokine-Induced Memory-Like Natural Killer Cells (CIML-NK) for Relapsed & Refractory Acute Myeloid Leukemia (AML)


Description

The objective of this study is to demonstrate that cytokine-induced memory-like natural killer cells can be generated from donor cells and infused safely into patients with relapsed or refractory acute myeloid leukemia (AML). A secondary objective is to assess efficacy of the CIML-NK cells in treating AML.The goal of treatment of relapsed or refractory acute myeloid leukemia (AML) is to achieve remission and proceed to hematopoietic stem cell transplant (HSCT). Unfortunately, standard protocols have limited success. In this study the investigators will identify patients with relapsed or refractory AML who are unlikely to benefit from standard chemotherapy protocols and do not qualify for, or do not wish to participate in, institutional chemotherapy trials. Peripheral blood from a related haploidentical donor will be collected for the isolation of natural killer (NK) cells. NK cells will be induced into a memory-like state using cytokine supplementation only. In this Phase I/II study, P

Trial Eligibility

Inclusion Criteria: * Of age ≥ 2 years of age at the time of study enrollment * With AML diagnosed per 2016 WHO criteria (11) * With relapsed or refractory AML in their bone marrow * Refractory disease: Patients must have ≥ 5% blasts in the bone marrow after 2 courses of intensive induction treatment * Relapsed disease: Patients must have ≥ 5% blasts in the bone marrow, or reappearance of blasts in the blood, within 6 months of initial CR * With available haploidentical related donors. Donor specific antibody (DSA) testing will be done on the recipient prior to or upon enrollment. * With performance level of ≥ 50% on Karnofsky scale for patients \> 16 years of age and ≥ 50% on Lansky scale for patients ≤ 16 years of age Exclusion Criteria: * Disease: isolated central nervous system (CNS) disease, or isolated extramedullary disease, or diagnosis of acute promyelocytic leukemia (APML). Patients with extramedullary disease in combination with bone marrow disease are eligible for enrollment. * Infectious Disease: Active uncontrolled infection * Renal function: radioisotope determined Glomerular Function Rate \<50 mL/min/1.73m2 * Cardiac function: Systolic ejection fraction \<45% by echocardiogram * Pulmonary Function: Oxygen saturation \<92% on room air * Hepatic function: Total bilirubin \> 2mg/dL, AST and ALT more than three times the upper limit of normal * Concomitant medications: receiving either \>10mg prednisone equivalent daily, or \>0.5mg/kg prednisone equivalent daily, whichever is less * Concomitant investigational treatments: receiving other investigational therapies * Known allergy or hypersensitivity reaction to IL-2 injections * Pregnant or breastfeeding women will not be entered on this study due to risks of fetal and teratogenic adverse events with lymphodepleting chemotherapy. Pregnancy tests must be obtained for female patients. Males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method while on study treatment and for six months following completion. Effective contraceptive methods include oral contraceptive pills, patches, or injections, intrauterine devices, having a tubal ligation, having a partner who has had a vasectomy, or not having sex.

Study Info

Organization

Children's Hospital Medical Center, Cincinnati


Primary Outcome

Feasibility of infusion


Outcome Timeframe 30 days

NCTID NCT05580601

Phases PHASE1,PHASE2

Primary Purpose TREATMENT

Start Date 2023-05-05

Completion Date 2025-02

Enrollment Target 20

Interventions

DRUG CIML-NK Cells

Locations Recruiting

Cincinnati Children's Hospital Medical Center

United States, Ohio, Cincinnati


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