About this trial
This randomized trial aimed at validating the efficacy and safety of low-dose decitabine, together with umbilical cord blood in PGF post allo-HSCT patients.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Diagnosed as PGF at day 28 post-HSCT or later. PGF was defined as two or three cytopenias, absolute neutrophil count ≤ 1.5 × 109/L, platelet count ≤ 30 × 109/L, hemoglobin ≤ 85g/L, lasting for more than 2 consecutive weeks;
Full donor chimerism;
Primary disease in remission;
No severe GVHD and relapse.
Disqualifiers
Allergic to decitabine or any components of frozen preservation of umbilical cord blood;
Active infections;
Uncontrolled GVHD;
Severe organ dysfunction;
Trial design
Parallel
Treatments tested in this trial
decitabine
Drug15 mg/m2 daily intravenously for consecutive 3 days
umbilical cord blood
Biological/VaccineMNC ≥ 3\*108 cells; HLA compatibility ≥ 5/6
Granulocyte-colony stimulating factor
DrugGranulocyte-colony stimulating factor will be used when absolute neutrophil count ≤ 1.5 × 109/L
Recombinant human thrombopoietin / thrombopoietin receptor agonist
DrugRecombinant human thrombopoietin or thrombopoietin receptor agonist will be used when platelet count ≤ 30 × 109/L
Recombinant human erythropoietin
DrugRecombinant human erythropoietin will be used when hemoglobin ≤ 85 g/L
Treatment groups
Trial outcomes
Primary outcomes
The treatment response
The rate of hematological improvement and hematological response of 2 arms
Survival
The rate of overall survival
Secondary outcomes
Bone marrow recovery
Number of participants with granulopoiesis, erythropoiesis and megakaryopoiesis recovery of bone marrow
relapse and GVHD
The rate of relapse and GVHD
Event free survival
The rate of event free survival
Locations
Sponsors and contacts
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