Vitamin A and D Supplementation in Allogeneic HCT

Inclusion Criteria: * Diagnosis: acute myeloid leukemia, acute lymphoblastic leukemia, myelodysplastic syndrome, chronic myeloproliferative disease, chronic myeloid leukemia, lymphoblastic lymphoma, myeloma * Standard disease risk: less than 5% clonal blasts in the bone marrow and the absence of blast forms in the peripheral blood at the time of inclusion in the study or at least partial response for lymphoproliferative neoplasms. * Related compatible donor 10/10 HLA-matched or unrelated compatible donor 9-10/10 HLA-matched * Age ≥18 years * Absence of severe concomitant somatic diseases Exclusion Criteria: * \- Severe organ failure: creatinine more than 2 norms; ALT, AST more than 5 norms; bilirubin more than 1.5 normal; * respiratory failure more than 1 degree. or oxygen dependence * Unstable hemodynamics; * Uncontrolled bacterial or fungal infection at the time of inclusion, despite adequate antibacterial or antifungal therapy (CRP\>70 mg/l at the time of inclusion). * Karnofsky index less than 70% * Repeated allogeneic transplantation of hematopoietic cells; * Creatinine clearance below 60ml/min/1.73m2; * Severe cardiac pathology, including a decrease in ejection fraction less than \<50%, unstable angina, exertional angina of III-IV functional class, heart failure of III-IV functional class, arrhythmia grade V according to Lawn * Severe decrease in lung function, FEV1 \<50% or DLCO\<50% predicted * Pregnancy * Somatic or mental pathology that does not allow signing informed consent