Allogeneic stem-cell transplantation with reduced conditioning intensity as a novel immunotherapy and antiviral therapy for adult T-cell leukemia/lymphoma

Jun Okamura, Atae Utsunomiya, Ryuji Tanosaki, Naokuni Uike, Shunro Sonoda, Mari Kannagi, Masao Tomonaga, Mine Harada, Nobuhiro Kimura, Masato Masuda, Fumio Kawano, Yuji Yufu, Hiroyoshi Hattori, Hiroshi Kikuchi, Yoshio Saburi

研究成果: Article査読

131 被引用数 (Scopus)

抄録

Sixteen patients with adult T-cell leukemia/lymphoma (ATL) who were all over 50 years of age underwent allogeneic stem cell transplantation with reduced-conditioning intensity (RIST) from HLA-matched sibling donors after a conditioning regimen consisting of fludarabine (180 mg/m2), busulfan (8 mg/kg), and rabbit antithymocyte globulin (5 mg/kg). The observed regimen-related toxicities and nonhematologic toxicities were all found to be acceptable. Disease relapse was the main cause of treatment failure. Three patients who had a relapse subsequently responded to a rapid discontinuation of the immunosuppressive agent and thereafter achieved another remission. After RIST, the human T-cell leukemia virus type 1 (HTLV-1) proviral load became undetectable in 8 patients. RIST is thus considered to be a feasible treatment for ATL. Our data also suggest the presence of a possible graft-versus-ATL effect; an anti-HTLV-1 activity was also found to be associated with this procedure.

本文言語English
ページ(範囲)4143-4145
ページ数3
ジャーナルBlood
105
10
DOI
出版ステータスPublished - 2005 5月 15
外部発表はい

ASJC Scopus subject areas

  • 生化学
  • 免疫学
  • 血液学
  • 細胞生物学

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