Objective: To investigate the impact of mycophenolate mofetil (MMF) prophylaxis duration on acute graft-versus-host disease (aGVHD) after haploidentical stem cell transplantation (haplo-HSCT) using 'Beijing Protocol'. Methods: Adult patients (≥14 years) received haplo-HSCT in Peking University Institute of Hematology from Sep, 2016 to Mar, 2017 were retrospectively reviewed if they fulfilled the criterias: ①diagnosed with hematological maligancies; ②standard-risk status at haplo-HSCT. A total of 237 patients [including 102 patients with long MMF duration (defined as started on day -9 with 100 mg/d, adjusted to 500 mg/d from day +30 and discontinued on day +45 to +60 or occurrence of CMV/EBV reactivation or late-onset hemorrhagic cytitis), and 135 patients with short MMF duration (defined as started on day -9 with 500 mg/d and discontinued on the day achieved neutrophil engraftment)] were reviewed. The incidence of aGVHD, virus infection and overall survival (OS) were compared between the two groups. Results: The median durations of MMF prophylaxis of long and short duration groups were 27(7-71) and 15(9-24) days, respectively after haplo-HSCT. There were no differences of baseline characteristics (including sex, patient age, disease, mismatched HLA loci, donor-recipient relation, donor-recipient sex and donor age) between the two groups. The incidences of the grade Ⅱ-Ⅳ and Ⅲ/Ⅳ aGVHD in long and short duration groups were 31.1% versus 17.6% (P=0.018) and 7.4% verus 7.8% (P=0.900), respectively. The duration of MMF prophylaxis was not found to be associated with gradeⅡ-Ⅳ aGVHD by the multivariate analysis. There were no significant differences in terms of CMV viremia, EBV viremia, hemorrhagic cytitis and OS between the two groups. Conclusion: Prophylaxis with short duration MMF in the setting of 'Beijing protocol' haplo-SCT was not associated with increased acute GVHD with no impact on OS, which indicated that short duration MMF might be a feasible GVHD prophylaxis regimen.
Objective: To investigate the impact of mycophenolate mofetil (MMF) prophylaxis duration on acute graft-versus-host disease (aGVHD) after haploidentical stem cell transplantation (haplo-HSCT) using 'Beijing Protocol'. Methods: Adult patients (≥14 years) received haplo-HSCT in Peking University Institute of Hematology from Sep, 2016 to Mar, 2017 were retrospectively reviewed if they fulfilled the criterias: ①diagnosed with hematological maligancies; ②standard-risk status at haplo-HSCT. A total of 237 patients [including 102 patients with long MMF duration (defined as started on day -9 with 100 mg/d, adjusted to 500 mg/d from day +30 and discontinued on day +45 to +60 or occurrence of CMV/EBV reactivation or late-onset hemorrhagic cytitis), and 135 patients with short MMF duration (defined as started on day -9 with 500 mg/d and discontinued on the day achieved neutrophil engraftment)] were reviewed. The incidence of aGVHD, virus infection and overall survival (OS) were compared between the two groups. Results: The median durations of MMF prophylaxis of long and short duration groups were 27(7-71) and 15(9-24) days, respectively after haplo-HSCT. There were no differences of baseline characteristics (including sex, patient age, disease, mismatched HLA loci, donor-recipient relation, donor-recipient sex and donor age) between the two groups. The incidences of the grade Ⅱ-Ⅳ and Ⅲ/Ⅳ aGVHD in long and short duration groups were 31.1% versus 17.6% (P=0.018) and 7.4% verus 7.8% (P=0.900), respectively. The duration of MMF prophylaxis was not found to be associated with gradeⅡ-Ⅳ aGVHD by the multivariate analysis. There were no significant differences in terms of CMV viremia, EBV viremia, hemorrhagic cytitis and OS between the two groups. Conclusion: Prophylaxis with short duration MMF in the setting of 'Beijing protocol' haplo-SCT was not associated with increased acute GVHD with no impact on OS, which indicated that short duration MMF might be a feasible GVHD prophylaxis regimen.
注:GVHD:移植物抗宿主病;CMV:巨细胞病毒;EBV:EB病毒3.急性GVHD发生情况:长疗程组Ⅱ~Ⅳ度急性GVHD发生率高于短疗程组[(31.1±6.7)%对(17.6±6.8)%,χ2=5.571,P=0.018],Ⅲ/Ⅳ度急性GVHD发生率差异无统计学意义[(7.4±4.2)%对(7.8±5.0)%,χ2=0.016,P=0.900](表2)。对影响Ⅱ~Ⅳ度急性GVHD的影响因素进行多因素分析,未发现MMF预防疗程长短对Ⅱ~Ⅳ度急性GVHD有显著影响(χ2=4.033,P=0.062)。4.病毒感染:长疗程组、短疗程组移植后100 d CMV血症的发生率分别为(82.2±6.4)%、(86.3±6.6)%(χ2=0.709,P=0.476),难治性CMV血症发生率分别为(39.3±11.4)%、(46.1±13.0)%(χ2=1.108,P=0.353),EBV血症发生率分别为(31.9±18.0)%、(30.4±21.8)%(χ2=0.058,P=0.888),HC发生率分别为(45.2±6.4)%、(35.3±8.4)%(χ2=2.351,P=0.330),Ⅲ/Ⅳ度HC的发生率分别为(6.7±2.8)%、(5.9±3.2)%(χ2=0.060,P=0.806)。5.生存情况:长疗程组、短疗程组移植后6个月OS率差异无统计学意义[(93.0±2.6)%对(84.2±3.4)%,χ2=1.679,P=0.195](图1)。
Authors: C H Yan; L P Xu; F R Wang; H Chen; W Han; Yu Wang; J Z Wang; K Y Liu; X J Huang Journal: Bone Marrow Transplant Date: 2015-12-21 Impact factor: 5.483
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