Acute Myeloid Leukemia At Initial Diagnosis and/or Relapse in Children, Teenagers and Young Adults: Molecular Profiling, Multidrug Testing and MSC Interaction Studies

Who May Qualify: - 0-25 years old - Newly diagnosed de novo or secondary Acute Myeloid Leukemia (AML) or - Relapsed or refractory AML or - Patients with genetic predisposition to develop AML or - Patients without haematological malignancy nor AML genetic predisposition syndrome who undergo bone marrow aspirate as part of standard of care - Signed willing to sign a consent form of parents for patients aged less than 18 years old or signed willing to sign a consent form of the patient for patients aged 18 and over. Who Should NOT Join This Trial: - Refuse to participate - Chronic myeloid leukemia (CML) - Lack of health insurance (French social security) - Under protection (tutelle, curatelle or sauvegarde de justice) - Pregnancy or breastfeeding Always talk to your doctor about whether this trial is right for you.