Monocentric Phase 1 Study With Escalation of Doses of Tocilizumab in Combination With Chemotherapy (Idarubicin and Cytarabine) in Patients With Acute Myeloblastic Leukemia (AML)

Inclusion Criteria: \- AML with a poor prognosis defined according to the criteria below: LAM First line: Age \<60 years and unfavorable risk according to the 2017 ELN Age\> = 60 years old and intermediate or unfavorable risk according to the ELN 2017 LAM in Relapse: whatever the age * ECOG \<= 2 * Patient eligible for intensive chemotherapy * Informed consent * Liver function tests: transaminases \<3x normal, bilirubin \<1.5X normal * Creatinine clearance\> 60ml / min * LVEF\> = 50% Exclusion Criteria: * Uncontrolled infection * Hep B, C, HIV + * History of diverticulosis / diverticulitis * No social security or any other scheme * Pregnant women or patient unable to take contraception(contraceptive pill, abstinence, IUD unauthorized) in case of fertility. A patient who cannot continue contraception for at least 3 months after the last injection of TOCILIZUMAB is not eligible. * Lactating women * Minors * Adults under guardianship, curatorship or legal protection * Hypersensitivity to one of the active substances or to one of the excipients * Patients with tuberculosis * Patients documented with active COVID