- Prophylaxis and therapy of rejection crises in organ and tissue transplantations.- Prevention of graft-versus-host disease (GVHD) in adults after allogeneic stem cell transplantation (SCT) Grafalon is indicated for prevention of graft-versus-host disease (GVHD) in adults with haematological malignancies following stem cell transplantation from matched unrelated donors in combination with standard Cyclosporin A/methotrexate prophylaxis