Allogeneic hematopoietic stem cell transplantation provides sustained long-term survival for patients with adult T-cell leukemia/lymphoma

T. Fukushima, Y. Miyazaki, S. Honda, F. Kawano, Y. Moriuchi, M. Masuda, R. Tanosaki, A. Utsunomiya, N. Uike, S. Yoshida, J. Okamura, M. Tomonaga

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Abstract

Adult T-cell leukemia/lymphoma (ATLL) is a distinct peripheral T-cell neoplasm that is highly resistant to chemotherapy. Several groups, including ours, have reported encouraging results of allogeneic hematopoietic stem cell transplantation (allo-HSCT) for patients with ATLL. To confirm our previous report and to establish the basis for a phase II clinical study, we analyzed 40 allo-HSCT for acute and lymphoma types of ATLL in seven institutions in Japan between 1997 and 2002. All evaluable cases entered complete remission (CR) after allo-HSCT and the median survival time was 9.6 months for all patients. The estimated 3-year overall and relapse-free survival, and disease relapse were 45.3, 33.8 and 39.3%, respectively. Among 10 cases with ATLL relapse, five cases achieved CR again: three by the reduction or cessation of immunosuppressive agents, which suggested a graft-versus-ATLL (GvATLL) effect. However, univariate or multivariate analysis did not show any benefit of graft-versus-host disease (GVHD) on the prevention of relapse. These results suggested that allo-HSCT was effective for some patients with aggressive ATLL, and that the GvATLL effect could be achieved even without GVHD. A new phase II trial to test the efficacy of allo-HSCT for ATLL is warranted.

Original languageEnglish
Pages (from-to)829-834
Number of pages6
JournalLeukemia
Volume19
Issue number5
DOIs
Publication statusPublished - 2005 May
Externally publishedYes

Keywords

  • ATLL
  • Allogeneic HSCT
  • GvATLL

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

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    Fukushima, T., Miyazaki, Y., Honda, S., Kawano, F., Moriuchi, Y., Masuda, M., Tanosaki, R., Utsunomiya, A., Uike, N., Yoshida, S., Okamura, J., & Tomonaga, M. (2005). Allogeneic hematopoietic stem cell transplantation provides sustained long-term survival for patients with adult T-cell leukemia/lymphoma. Leukemia, 19(5), 829-834. https://doi.org/10.1038/sj.leu.2403682