Study of the Medullary Microenvironment in Acute Childhood Leukemia
Etude du Microenvironnement médullaire Dans Les Leucémies Aiguës de l'Enfant
University Hospital, Tours
40 participants
Oct 26, 2023
INTERVENTIONAL
Conditions
Summary
Acute leukemia (AL) is the most common cancer in children. Despite the optimization of chemotherapy treatments and the development of supportive care, a certain number of LAs relapse and/or progress to death of the child. It therefore seems essential to try to better understand the physiopathology and the mechanisms of resistance to treatment of these diseases.
Eligibility
Inclusion Criteria13
- for patients with AL:
- Child with acute lymphoblastic or myeloblastic leukemia at diagnosis
- Not having received prior hematological treatment
- Aged 1 to 15 years old
- Whose 2 parents, or the holder of parental authority, have signed a consent enlightened.
- Affiliated patient or beneficiary of a social security scheme.
- Control group patients:
- Child undergoing orthopedic surgery exposing the bone marrow (osteotomy of the pelvis).
- Aged between 1 and 15 years old.
- Having no pathology of hematological origin.
- Not having received any treatment that could interfere with the functioning of the bone marrow.
- Whose 2 parents or the holder of parental authority have signed a consent enlightened.
- Affiliated patient or beneficiary of a social security scheme.
Exclusion Criteria13
- for patients with AL:
- Patient under 1 year old and over 15 years old.
- Contraindication to myelogram.
- Absence of signature of the informed consent by the 2 parents or the holder of parental authority.
- Patients with relapsed acute lymphoblastic or myeloblastic leukemia.
- Having received prior hematological treatments.
- Parents with physical or mental condition not allowing to understand the informed consent.
- Control group patients
- Patient under 1 year old and over 15 years old.
- Having an underlying haematological pathology.
- Absence of signature of the informed consent by the 2 parents or the holder of parental authority.
- Having received prior hematological treatments.
- Parents with physical or mental condition not allowing to understand informed consent.
Interventions
blood and bone marrow samples from patients with Acute Leulemia.
blood and bone marrow samples from children undergoing orthopedic surgery exposing the bone marrow.(osteotomy of the pelvis).
Locations(3)
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NCT05792007