An Exploratory Study to Evaluate Immune Determinants of the Response to Adoptive Cell Therapy (ACT) in Solid and Hematologic Tumors

3 biopsies will be collected: at baseline, at day+15 and optionally at relapse

7 blood samples (25ml) will be taken: at day-7 before treatment start, at day0, at day+3, day+7, day+15, month+3 and at relapse

If a bone marrow biopsy or aspiration is performed as part of routine care, 1 mL of bone marrow aspiration or one more biopsy will be sampled