Nutritional Support With TGF-β2 Food for Special Medical Purposes (TGF-β2 FSMP) in Adult Allogeneic Hematopoietic Stem Cell Transplantation (Allo-HSCT) for the Prevention of Malnutrition: a Prospective, Randomized, Multicenter Study

Inclusion Criteria: * Intact intestinal tract * Life expectancy more than 12 weeks * Allogeneic stem cell transplantation * Signed informed consent Exclusion Criteria: * Active hematological disease at the beginning of conditioning * Personal history of inflammatory bowel diseases * Personal history of bowel resection * Personal history of gastric bypass procedures * Enrolment in a competitive prospective study (malnutrition or GVHD as primary outcome) * Subjects with known hypersensitivity to milk proteins or components of Modulen-IBD