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Favorable Outcomes With Tumor Burden Reduction Following Administration of Hypomethylating Agents Before Allogeneic Hematopoietic Cell Transplantation in Patients With Higher Risk Myelodysplastic Syndrome
Ist Teil von
Clinical lymphoma, myeloma and leukemia, 2019-07, Vol.19 (7), p.e367-e373
Ort / Verlag
United States: Elsevier Inc
Erscheinungsjahr
2019
Link zum Volltext
Quelle
Elsevier ScienceDirect Journals Complete
Beschreibungen/Notizen
The clinical significance of tumor burden reduction following administration of hypomethylating agents (HMAs) for transplant-eligible patients with higher risk myelodysplastic syndrome (MDS) was evaluated.
Data of 79 transplant-eligible patients (< 65 years) diagnosed with higher-risk MDS between July 2002 and March 2013 were retrospectively analyzed. Among 79 patients, 30 (38%) underwent allogeneic hematopoietic cell transplantation (HCT group), and 49 (62%) were treated with HMA alone (non-HCT group).
The median follow-up duration was 732 days (range, 28-1952 days), and the 3-year overall survival (OS) rate of all patients was 30.6%. In the HCT group, early HCT showed a better 3-year OS rate than late HCT (67.1% vs. 25.7%; P = .035). In multivariate analysis, time/performance of allogenic transplant (no HCT vs. early HCT, hazard ratio, 0.18; 95% confidence interval, 0.04-0.81; P = .026) and follow-up higher risk International Prognostic Scoring System (hazard ratio, 6.22; 95% confidence interval, 2.09-18.51; P = .001) were significantly correlated with OS.
To predict the clinical outcomes of patients with higher risk MDS, the optimal time for tumor burden evaluation is prior to follow-up rather than at the time of initial diagnosis. Patients with lower International Prognostic Scoring System risk groups after HMA treatment or early HCT had favorable OS.
To evaluate the clinical significance of tumor burden reduction for transplant-eligible patients with higher risk myelodysplastic syndrome, data of 79 patients were retrospectively analyzed. A follow-up higher risk International Prognostic Scoring System was correlated with overall survival. The optimal time for tumor burden evaluation is prior to follow-up rather than at the time of initial diagnosis.