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Original Article: Clinical

Decitabine for myelodysplastic syndromes: dose comparison in a real world clinical setting

, , , , , , , , , , , & show all
Pages 1731-1739 | Received 11 Jul 2018, Accepted 03 Nov 2018, Published online: 08 Jan 2019
 

Abstract

We retrospectively studied 133 myelodysplastic syndrome patients receiving decitabine during January 2009 and September 2017. The dose of 15 mg/m2/d (n = 83) and 20 mg/m2/d (n = 50) had comparable overall response rates (ORR) (51.8% vs. 52.00%) and complete remission rate (CRR) (15.66% vs. 22.00%). The 15 mg/m2/d group had a lower incidence of grade 3/4 neutropenia (60.24% vs. 88.00%, p < .05) and thrombocytopenia (65.06% vs. 88.00%, p < .05). The 15 mg/m2/d group had a longer median overall survival (OS) (21.60 months vs. 15.23 months, p = .02). The same results were seen in refractory anemia with excess blasts (RAEB) patients: The 15 mg/m2/d group also had comparable ORR, CRR, decreased hematological toxicities and longer OS. Further analysis suggested that survival benefit of 15 mg/m2/d group was mainly in those patients with lower risk stratification. In conclusion, 15 mg/m2/d decitabine is associated with a lower incidence of hematological toxicities and longer OS and may be more suitable for patients with relatively lower risk.

Acknowledgments

We thank Haiyang Yang for collecting and preliminarily processing specimens from patients.

Potential conflict of interest

Disclosure forms provided by the authors are available with the full text of this article online at https://doi.org/10.1080/10428194.2018.1546853.

Additional information

Funding

This study was supported by the National Natural Science Foundation of China grants [81700121, 81470290], and Zhejiang Medical and Health Science and Technology Projects [2017KY336]. The funding sources had no involvement in study design; collection, analysis and interpretation of data; as well as in the decision to submit the article for publication.

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