Trends in allogeneic hematopoietic cell transplantation survival using population-based descriptive epidemiology method: analysis of national transplant registry data

Yachiyo Kuwatsuka, Hidemi Ito, Ken Tabuchi, Takaaki Konuma, Naoyuki Uchida, Yoshihiro Inamoto, Kazuki Inai, Tetsuya Nishida, Kazuhiro Ikegame, Tetsuya Eto, Yuta Katayama, Keisuke Kataoka, Masatsugu Tanaka, Satoshi Takahashi, Takahiro Fukuda, Tatsuo Ichinohe, Fumihiko Kimura, Junya Kanda, Yoshiko Atsuta, Keitaro Matsuo

Research output: Contribution to journalArticlepeer-review

Abstract

Prognosis for patients undergoing hematopoietic cell transplantation (HCT) has been improving. Short-term survival information, such as crude survival rates that consider deaths immediately after the transplantation, may not be sufficiently useful for assessing long-term survival. Using the data of the Japanese HCT registry, the net survival rate of patients who survived for a given period was determined according to age, disease, and type of transplant. We included a total of 41,716 patients who received their first allogeneic hematopoietic cell transplantation between 1991 and 2015. For each disease, age group, graft source subcategory, net survival was calculated using the Pohar-Perme method, and 5-year conditional net survival (CS) was calculated. Ten-year net survivals of total patient cohort were 41.5% and 47.4% for males and females, respectively. Except for myelodysplastic syndrome, multiple myeloma, and adult T-cell leukemia/lymphoma, 5-year CS for 5-year transplant survivors exceeded 90%. CS was especially high for aplastic anemia, of which was over 100% for children and younger adults receiving cord blood, suggesting that these patients have similar longevity to an equivalent group from the general population. These findings provide useful information for long-term survival, and can serve as benchmark for comparisons among registries, including other cancers.

Original languageEnglish
JournalBone Marrow Transplantation
DOIs
Publication statusAccepted/In press - 2024

All Science Journal Classification (ASJC) codes

  • Hematology
  • Transplantation

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