T Lymphocytes (LT) Expressing iCASP9 and ΔCD19 in Allogeneic Haematopoietic Transplantation.

Intravenous injection of the T lymphocytes armed with the iCASP9 suicide gene

"AP1903 drug will be administrated at a dose of 0.4 mg/kg by intravenous route in the two following cases:~* Acute Grade ≥II or symptomatic Grade I GvHD justifying systemic immunosuppression therapy;~* Grade ≥3 toxicity attributable to GMC."