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Outcomes of transplant-eligible patients with myelodysplastic syndrome with excess blasts registered in an observational study: The JALSG-CS11-MDS-SCT

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Abstract

Allogeneic hematopoietic stem cell transplantation (allo-SCT) is the sole curative therapy for myelodysplastic syndrome (MDS). However, whether bridging therapy (BRT) including azacitidine (AZA) and combination chemotherapy (CCT) prior to allo-SCT should be performed is unclear. We analyzed BRT and the outcomes of patients with myelodysplastic syndrome with excess blasts (MDS-EB) who were ≤ 70 years old at the time of registration for a prospective observational study to clarify the optimal allo-SCT strategy for high-risk MDS. A total of 371 patients were included in this study. Among 188 patients (50.7%) who were considered for allo-SCT, 141 underwent allo-SCT. Among the patients who underwent allo-SCT, 64 received AZA, 29 received CCT, and 26 underwent allo-SCT without BRT as the initial treatment. Multivariate analysis identified BRT as an independent factor influencing overall survival (AZA vs. without BRT, hazard ratio [HR] 3.33, P = 0.005; CCT vs. without BRT, HR 3.82, P = 0.003). In multivariate analysis, BRT was independently associated with progression-free survival (AZA vs. without BRT: HR, 2.23; P = 0.041; CCT vs. without BRT: HR, 2.94; P = 0.010). Transplant-eligible patients with MDS-EB should undergo allo-SCT when clinically acceptable, and upfront allo-SCT without BRT may be superior to AZA or CCT.

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Data availability

The datasets generated and/or analyzed during the current study are available from the corresponding author on a collaborative basis.

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Acknowledgements

We appreciate all physicians and staff participating in the JALSG-CS11-MDS-SCT study. We are grateful to the JALSG staff.

Funding

Funded by Japan Adult Leukemia Study Group (JALSG).

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Authors and Affiliations

Authors

Contributions

Noriharu Nakagawa, Ken Ishiyama, Kensuke Usuki, Shigeki Ohtake, Akira Katsumi, Hitoshi Kiyoi, Itaru Matsumura, and Yasushi Miyazaki designed the study. Satoru Takada, Tatsuki Tomikawa, Hiroshi Handa, Yuna Katsuoka, Daiki Hirano, Nobuo Sezaki, Masahiko Sumi, Shin Fujisawa, Yasuhiro Taniguchi, Atsuko Mugitani, Takuro Yoshimura, Eiichi Ohtsuka, Ken Takase, Youko Suehiro, Shuichi Ota, Tomohiro Kajiguchi, Tomoya Maeda and Masahide Yamamoto collected clinical data. Noriharu Nakagawa and Ken Ishiyama analyzed the data and wrote the manuscript. All the authors critically reviewed the manuscript and checked the final version.

Corresponding author

Correspondence to Ken Ishiyama.

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Ethical approval

This study was approved as an accompanying study of JALSG-CS-11 by the committee for the Japan Adult Leukemia Study Group (JALSG) and by the ethical committee of Kanazawa University (No. 2018–227) and all participating institutions. Informed consent was obtained from all the participants.

Conflict of interest

Kensuke Usuki has received research funding from Astellas-Amgen-Biopharma, Otsuka, Apellis, SymBio, Takeda, Nippon Shinyaku, Novartis, AbbVie, Janssen, Bristol-Myers Squibb, Ono, Chugai, Daiichi Sankyo, MSD, Astellas, Alexion, Kyowa-Kirin, Gilead, Pfizer, Incyte, SymBio, Celgene, Sumitomo-Dainippon, Mundi, Yakult, and Eisai, and has served on speaker bureaus for Novartis, Astellas, Alexion, Eisai, MSD, Otsuka, Ono, Kyowa-Kirin, Celgene, Daiichi Sankyo, Takeda, Nippon-Shinyaku, PharmaEssentia, Bristol-Myers Squibb, Yakult, Sanofi, Pfizer, AbbVie, and Chugai, and has served on consulting bureaus for Alexion, SymBio, Nippon Shinyaku, Otsuka, Chugai, Sanofi, Takeda, Kyowa-Kirin, Astellas, SOBI, and Alnylam Japan. Shin Fujisawa received honoraria from Bristol-Myers-Squibb, Astellas, Nippon Shinyaku, Otsuka, Pfizer, Novartis, MSD, Sanofi, Janssen, SymBio, Kyowa Hakko Kirin, AstraZeneca, CSL Behring, Meiji Seika Pharma, AbbVie, Takeda, and Chugai, and received research funding from Shionogi, Kyowa Hakko Kirin, Chugai, Otsuka, Asahi-Kasei, and Daiichi Sankyo. Tomoya Maeda received honoraria from Amgen, Nippon Becton Dickinson Company, Nippon Shinyaku, Novartis, Otsuka, Pfizer, and TOPPAN and received research funding from Chugai, Eisai, and Sumitomo Pharma. Masahide Yamamoto received honoraria from Bristol-Myers Squibb, Chugai, Eisai, Kyowa-Kirin, Nippon Shinyaku, Novartis, Ono, Otsuka, Pfizer, Takeda, Sanofi, Janssen, AbbVie, SymBio, and Meiji Seika. Hitoshi Kiyoi received research funding from FUJIFILM, Kyowa-Kirin, Bristol-Myers Squibb, Otsuka, Perseus Proteomics, Daiichi Sankyo, AbbVie, CURED, Astellas, Chugai, Zenyaku Kogyo, Nippon Shinyaku, Eisai, Takeda, Sumitomo Pharma, Sanofi, and Honoraria from AbbVie, Chugai, Astellas Pharma, and Novartis. Itaru Matsumura has received research funding from Kyowa-Kirin, Chugai, Novartis, Astellas, AbbVie, Pfizer, Takeda, Alexion, Otsuka, Janssen, Sumitomo-Dainippon, Shionogi, Asahi-Kasei, Eisai, TAIHO, Nippon Shinyaku, Ono, Sanofi, and Mitsubashi Tanabe and has received honoraria from Novartis, Bristol-Myers Squibb, Pfizer, Daiichi Sankyo, Otsuka, Astellas, Janssen, AbbVie, Takeda, Ono, and SymBio. Yasushi Miyazaki received honoraria from Nippon Shinyaku, Bristol-Myers Squib, Novartis, Sumitomo Pharma, Kyowa-Kirin, AbbVie, Daiichi-Sankyo, Takeda, Janssen Pharmaceutical, Astellas, Pfizer, Chugai, SymBio, and Otsuka Pharmaceutical, and research funding from Sumitomo-Dainippon.

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Supplemental figure 1.

The survival of patients in the SCT-considered cohort with blasts ≥10% at the diagnosis. A. The overall survival of patients treated with each BRT. B. The overall survival of patients with each BRT adjusted for background factors, including age, sex, PS at diagnosis, cytogenetic risk, and allo-SCT (PNG 143 kb)

High resolution image (TIF 577 kb)

Supplemental figure 2.

The survival of patients in the transplant cohort. A. The overall survival according to sex. B: The overall survival according to cytogenetic risk. C. The overall survival according to sex and cytogenetic risk (PNG 209 kb)

High resolution image (TIF 664 kb)

Supplementary file3 (XLSX 12 KB)

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Supplementary file5 (XLSX 11 KB)

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Nakagawa, N., Ishiyama, K., Usuki, K. et al. Outcomes of transplant-eligible patients with myelodysplastic syndrome with excess blasts registered in an observational study: The JALSG-CS11-MDS-SCT. Ann Hematol 103, 307–320 (2024). https://doi.org/10.1007/s00277-023-05527-5

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