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Аллогенная трансплантация гемопоэтических стволовых клеток при миелофиброзе

Аллогенная трансплантация гемопоэтических стволовых клеток при миелофиброзе

Abstract

Background & Aims. At present, the allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the only treatment option with curative potential in patients with myelofibrosis (MF), especially in intermediate and high risk categories. The aim of the study is to perform a retrospective analysis of alloHSCT outcomes in MF patients. Materials & Methods. Outcomes of allo-HSCT in 11 intermediate2 (n = 3) and high (n = 6) risk patients (based on Dynamic International Prognostic Scoring Scale, DIPSSplus) performed in the R.M. Gorbacheva Scientific Research Institute of Pediatric Hematology and Transplantation over the period from 2005 till 2015 were analyzed in the study. Two more patients underwent allo-HSCT in MF blast phase. Two patients received ruxolitinib before allo-HSCT and 1 patient before and after allo-HSCT. Reduced intensity conditioning regimen was used in all cases. Results. Primary engraftment was documented in 8 patients. 72 % of patients achieved complete hematological remission. Molecular remission and myelofibrosis regression were confirmed in 5 patients. 5 of 11 patients were still with remission and followed-up by the date of the paper submission. The overall two-year survival was 46 %. Conclusion. Allo-HSCT is an effective treatment option for MF patients. Further trials are required to evaluate an optimal timing for allo-HSCT in MF patients and efficacy of Janus kinase (JAK) inhibitors as preand posttransplant therapy in MF.

Актуальность и цели. Аллогенная трансплантация гемопоэтических стволовых клеток (аллоТГСК) в настоящее время является единственным методом, позволяющим добиться излечения пациентов с миелофиброзом (МФ), особенно промежуточной и высокой группы риска. Цель исследования — провести ретроспективный анализ результатов аллоТГСК у пациентов с МФ. Материалы и методы. В исследовании представлены результаты аллоТГСК у 11 пациентов с промежуточным-2 (n = 3) и высоким (n = 6) риском по динамической прогностической шкале DIPSSplus, проведенной в НИИДОГиТ им. Р.М. Горбачевой с 2005 по 2015 г. Еще у 2 пациентов аллоТГСК выполнена в фазе трансформации в острый миелобластный лейкоз. Руксолитиниб до аллоТГСК получали 2 больных, 1 — до и после аллоТГСК. Медиана возраста составила 46 лет (диапазон 30–57 лет). Во всех случаях использовался режим кондиционирования сниженной интенсивности. Результаты. Приживление трансплантата отмечено у 8 пациентов. У 72 % больных достигнута клинико-гематологическая ремиссия. Молекулярная ремиссия и уменьшение степени фиброза костного мозга подтверждены у 5 пациентов. Из 11 пациентов 5 ко времени подачи публикации оставались под наблюдением в ремиссии. Общая 2-летняя выживаемость составила 46 %. Заключение. АллоТГСК — эффективный метод лечения больных МФ. Требуются дальнейшие исследования для определения оптимального времени выполнения аллоТГСК, а также роли ингибиторов Янус-киназ (JAK) в качестве преди посттрансплантационной терапии МФ.

Keywords

миелофиброз, аллоТГСК, режим кондиционирования сниженной интенсивности, руксолитиниб

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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