Description
OUTLINE: This is a dose-escalation study.
INDUCTION: Patients receive DR-18 subcutaneously (SC) once weekly on approximately days 0, 7, 14, and 21.
MAINTENANCE: Two weeks after induction treatment, patients without grade 3-4 acute GVHD, grade 2 acute GVHD requiring ongoing systemic immunosuppression, or moderate/severe chronic GVHD may receive DR-18 SC once weekly on approximately days 35, 42, 49 and 56.
Additionally, patients undergo blood and bone marrow sample collection throughout the study.
After completion of study treatment, patients are followed weekly for 4 weeks, monthly through 6 months and at 12 months.