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Modified cladribine, cytarabine, and G-CSF as a salvage regimen in patients with relapsed/refractory acute myeloid leukemia: a bridge to myeloablative allogeneic hematopoietic stem cell transplantation

  • Peipei Ye
  • Renzhi Pei
  • Jie Jin
  • Jie Sun
  • Kongfei Li
  • Junjie Cao
  • Dandan Zhou
  • Ying LuEmail author
Original Article
  • 11 Downloads

Abstract

Patients with primary refractory or early relapsed acute myeloid leukemia (AML) have a dismal prognosis, and the treatment options for these patients are limited. The present study retrospectively examined the efficacy and toxicities of the combination of cladribine 5 mg/m2 per day and intermediate-dose cytarabine 1 g/m2 per day for 5 days and granulocyte colony–stimulating factor (G-CSF) as a salvage treatment in 36 patients with relapsed/refractory AML. Among these, 32 patients had de novo AML, and the remaining 4 patients had secondary AML. The median age for the study cohort was 45.8 years. According to the European LeukemiaNet prognostic index, 5 patients had favorable risk, 18 had intermediate risk, and 11 had poor risk. The complete remission was achieved in 58% of the patients with tolerable toxicities. Fifteen patients underwent stem cell transplantation later. Patients who underwent allogeneic hematopoietic stem cell transplantation had a significantly improved 1-year overall survival compared with those who did not (73% vs. 29%, P < 0.001). The results suggested that, as a salvage regimen, modified cladribine, cytarabine, and G-CSF were effective and well tolerated for patients with relapsed/refractory AML, especially for patients who underwent subsequent stem cell transplantation.

Keywords

Acute myeloid leukemia AML Modified cladribine Cytarabine and G-CSF Refractory AML Relapsed AML 

Notes

Acknowledgments

The authors appreciate the assistance of Chao Hu in collecting and preliminarily processing specimens from some patients and the contribution of Feifei Chen in revising and correcting the manuscript.

Funding

This study was funded by the National Natural Science Foundation of China (81500127), the Zhejiang Provincial Medical and Health Science and Technology Project (2017KY144), and the Ningbo Yinzhou District Social and Development project (YZ2015-96), China.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This study was conducted in accordance with the principles of the Declaration of Helsinki and approved by the ethics committee of the institution.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of HematologyYinzhou Hospital Affiliated to Medical School of Ningbo UniversityNingboChina
  2. 2.Department of Hematology, The First Affiliated Hospital, College of MedicineZhejiang UniversityHangzhouChina

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