{"title":"Allogeneic Hematopoietic Cell Transplantation With Reduced Toxicity Conditioning for Pediatric B Lymphoid Malignancy.","authors":"Yuki Naito, Shinya Osone, Kohei Mitsuno, Takuyo Kanayama, Azusa Mayumi, Toshihiko Imamura, Tomoko Iehara","doi":"10.1097/MPH.0000000000002936","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Conventional conditioning regimens for children with lymphoid malignancy undergoing allogeneic hematopoietic cell transplantation (HCT) are myeloablative and involve high-dose total body irradiation (TBI). Such regimens are associated with significant late complications.</p><p><strong>Observations: </strong>Here, we used a reduced-toxicity conditioning regimen comprising fludarabine, cytarabine, melphalan, and low-dose TBI (FLAMEL) to treat 5 patients with lymphoid malignancy before HCT. Four patients maintained complete remission (range, 18 to 63 mo), whereas the remaining patient who had positive minimal residual disease (MRD) before HCT relapsed.</p><p><strong>Conclusions: </strong>FLAMEL might be a suitable conditioning regimen for children with lymphoid malignancy if pre-HCT MRD is negative.</p>","PeriodicalId":16693,"journal":{"name":"Journal of Pediatric Hematology/Oncology","volume":null,"pages":null},"PeriodicalIF":0.9000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Pediatric Hematology/Oncology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1097/MPH.0000000000002936","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/8/12 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"HEMATOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Background: Conventional conditioning regimens for children with lymphoid malignancy undergoing allogeneic hematopoietic cell transplantation (HCT) are myeloablative and involve high-dose total body irradiation (TBI). Such regimens are associated with significant late complications.
Observations: Here, we used a reduced-toxicity conditioning regimen comprising fludarabine, cytarabine, melphalan, and low-dose TBI (FLAMEL) to treat 5 patients with lymphoid malignancy before HCT. Four patients maintained complete remission (range, 18 to 63 mo), whereas the remaining patient who had positive minimal residual disease (MRD) before HCT relapsed.
Conclusions: FLAMEL might be a suitable conditioning regimen for children with lymphoid malignancy if pre-HCT MRD is negative.
期刊介绍：
Journal of Pediatric Hematology/Oncology (JPHO) reports on major advances in the diagnosis and treatment of cancer and blood diseases in children. The journal publishes original research, commentaries, historical insights, and clinical and laboratory observations.
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