A Study of Donor Stem Cell Transplant in Treating Young Patients With Acute Myeloid Leukemia, or Refractory or Relapsed Acute Myelogenous Leukemia


About this study

RATIONALE: Giving chemotherapy before a donor stem cell transplant using stem cells that closely match the patient's stem cells, helps stop the growth of cancer cells. It also stops the patient's immune system from rejecting the donor's stem cells. The donated stem cells may replace the patient's immune cells and help destroy any remaining cancer cells (graft-versus-tumor effect). Sometimes the transplanted cells from a donor can also make an immune response against the body's normal cells. Giving antithymocyte globulin before transplant and cyclosporine, tacrolimus, and methotrexate before and after transplant may stop this from happening.

PURPOSE: Natural Killer (NK) cells from the donor's bone marrow may be important in fighting leukemia. Bone marrow donors can be selected based on the type of NK cells they have, specifically the killer immunoglobulin receptor (KIR) type. This study provides information on KIR type from potential donors, which can be used in selecting the bone marrow donor. This phase II trial of unrelated donor stem cell transplant in patients with high risk AML (monosomy 7, -5/5q-, high FLT3-ITD AR, or refractory or relapsed AML) in which KIR typing of the patients and potential donors will be available to the treating transplant physician at the time of donor selection.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria

  • Age ≥ 1 month and < 30 years
  • Diagnosis of one of the following
    • Patients with primary refractory acute myeloid leukemia (AML), defined as ≥ 5% bone marrow blasts after two induction courses of chemotherapy
    • Primary refractory AML, defined as ≥ 5% bone marrow blasts after two induction courses of chemotherapy
    • AML or myelodysplastic syndrome with -5/5q- or monosomy 7 without inv(16)/t(16;16) or t(8;21) cytogenetics or NPM or CEBPα mutations
    • Relapsed AML (≥ 5% bone marrow blasts) who meet the customary WHO criteria for AML
    • AML and high FLT3 internal tandem duplication allelic ratio (high FLT3-ITD AR), defined as > 0.4
    • All cases of therapy-related AML (therapy-related AML is considered high risk)
    • Patients with AML, without inv(16)/t(16;16) or t(8;21), monosomy 7, -5/5q-, NPM, or CEPBα mutations, or high FLT3-ITD AR, but with evidence of residual AML (≥ 0.1%) at the end of Induction I; or if a minimal residual disease (MRD) is not performed, then with > 15% bone marrow blasts by morphology after one induction course of chemotherapy
      • Any flow-based MRD is eligible for AAML05P1 for patients not on AAML1031, whereas patients on AAML1031 must utilize the central lab as per the AAML1031 protocol guidelines
  • No Fanconi anemia
  • Recipients of unrelated marrow or cord blood are eligible for this study
  • Karnofsky performance status (PS) (for patients over 16 years of age) or Lansky PS (for patients 16 and under) 50-100%
  • Total bilirubin ≤ 2 mg/dL
  • SGOT (AST) or SGPT (ALT) ≤ 2.5 times upper limit of normal
  • DLCO ≥ 50% OR a normal chest x-ray and pulse oximetry in patients who are unable to undergo pulmonary function tests
  • Shortening fraction ≥ 27% by ECHO
  • Creatinine clearance or radioisotope glomerular filtration rate at least 60 mL/min OR creatinine adjusted according to age
  • HIV negative
  • Not pregnant or nursing
  • Negative pregnancy test
  • Fertile patients must use effective contraception
  • Patients with proven or suspected bacterial sepsis, pneumonia, or meningitis are eligible provided appropriate therapeutic measures have been initiated to control the presumed or proven infection, and systemic signs are not life-threatening
  • No evidence or presence of a fungal infection within the past 30 days
  • Prior chemotherapy, radiotherapy or any antileukemic therapy allowed provided patients meet 1 of the following criteria
    • Received initial treatment for relapsed AML
    • Patients with primary induction failure or relapse who have already received initial therapy and who may have gone on to have additional therapy prior to receiving protocol stipulated therapy on AAML05P1
  • No treatment for fungal infection within the past 30 days
  • Concurrent radiotherapy to localized painful lesions allowed
  • No other concurrent cancer chemotherapy or immunomodulating agents

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Shakila Khan, M.D.

Closed for enrollment

Contact information:

Cancer Center Clinical Trials Referral Office

(855) 776-0015

More information


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