To assess the engraftment of hematopoietic stem cells following reduced-intensity
conditioning in children presenting with solid tumors or hematological malignancy by
evaluating post-transplantation chimerism and hematological reconstitution.
To study acute and/or chronic graft-versus-host reaction (incidence and severity) and immune
reconstitution, post-transplantation To study the effectiveness of the protocol on tumor
response.
To study overall survival.