Abstract:
:Since the introduction of leukemia-type induction therapies for T-cell lymphoblastic lymphoma (T-LBL), improvements in the long-term outcomes of T-LBL have been reported. However, indications for and the appropriate timing of hematopoietic stem cell transplantation (HSCT) have not yet been established. Therefore, we performed a multicenter retrospective cohort study of patients with T-LBL treated using leukemia-type initial therapies to compare the outcomes after HSCT at different disease stages. We enrolled 21 patients with T-LBL from a total of 11 centers, and all patients received hyper-CVAD as a leukemia-type initial regimen. HSCT was performed during the CR1/PR1 (standard disease) stage in 11 patients, while it was completed at a later or non-remission (advanced disease) stage in 10 patients. Following HSCT, the overall survival rate was significantly greater in standard disease than in advanced-disease patients (79.5% vs. 30.0% at 5 years; hazard ratio (HR) 5.97; p = 0.03), with trend to the lower incidence of relapse in the former group (27.3% vs. 60.0% at 5 years; HR 2.29; p = 0.19). A prognostic difference was not detected between cases treated with allogeneic and autologous HSCTs. Our study suggests that frontline HSCT may be a feasible treatment option for T-LBL, even in the era of leukemia-type initial therapy.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Morita-Fujita M,Arai Y,Yoshioka S,Ishikawa T,Kanda J,Kondo T,Akasaka T,Ueda Y,Imada K,Moriguchi T,Yago K,Kitano T,Yonezawa A,Nohgawa M,Takaori-Kondo A,Kyoto Stem Cell Transplantation Group (KSCTG).doi
10.1038/s41598-020-78334-xsubject
Has Abstractpub_date
2020-12-08 00:00:00pages
21418issue
1issn
2045-2322pii
10.1038/s41598-020-78334-xjournal_volume
10pub_type
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