
In February 2024, professor Erlie Jiang and colleagues from Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science published a pivotal study in Experimental Hematology & Oncology , focusing on the validation and enhancement of the 2022 European LeukemiaNet (ELN) genetic risk system for acute myeloid leukemia (AML) patients undergoing allogeneic hematopoietic stem cell transplantation. By analyzing 600 AML patients, the study not only validated the ELN-2022 system against its 2017 version but also improved its prognostic accuracy by incorporating minimal residual disease (MRD) status. This research marks a significant advancement in the personalized treatment planning and prognosis of AML patients.
The study focused on validating and enhancing the European LeukemiaNet (ELN) genetic risk system for acute myeloid leukemia (AML) patients undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT) offers significant insights and advancements in the field of hematology and oncology. This research is particularly important for its focus on a critical area of AML treatment and management, highlighting the continuous need for precise prognostic tools in this high-stakes treatment setting.
Acute myeloid leukemia (AML) poses significant treatment challenges, marked by high relapse rates and mortality. Allogeneic hematopoietic stem cell transplantation (allo-HSCT) presents a potential curative approach, especially for patients identified as being at high genetic risk of relapse. The accurate stratification of these risks is pivotal, and in this regard, the ELN has been at the forefront, offering updated genetic risk systems in 2017 and 2022 to aid in treatment decisions and prognostication.
This research seeks to critically evaluate the newest ELN-2022 risk system against its predecessor and investigate the possibility of improving prognostic accuracy for patients undergoing allo-HSCT. Such endeavors are crucial for enhancing the precision of treatment approaches in AML.
Employing a comprehensive methodology that includes a significant sample size of 600 patients and a follow-up period of nearly 3 years, the study stands out for its statistical rigor. The use of advanced statistical tools, including time-dependent ROC analysis, underscores a methodological sophistication that enhances the credibility and impact of the findings.
The study’s findings reveal the nuanced performance of the ELN-2022 risk system, showcasing its strengths in stratifying patients at the extremes of the risk spectrum while identifying its limitations in differentiating intermediate and adverse risk groups. The introduction of pre-transplant minimal residual disease (MRD) into the risk stratification model is a groundbreaking advancement, demonstrating the study’s contribution to refining prognostic tools in AML treatment.

The study published in Experimental Hematology & Oncology in 2024 provides significant insights into the prognostic utility of the MRD-modified ELN-2022 risk system for patients with acute myeloid leukemia (AML) undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT). By integrating minimal residual disease (MRD) into the ELN-2022 risk stratification, the research underscores the enhanced ability of this modified system to predict clinical outcomes more accurately. This approach reflects a pivotal shift towards more personalized treatment strategies, offering hope for improved survival and reduced relapse rates. The study’s methodology, grounded in rigorous data analysis and a comprehensive understanding of AML’s genetic landscape, marks a significant advancement in the ongoing effort to refine prognostic tools for this challenging disease. The collaborative effort of the research team, coupled with the support from notable grants, underscores the study’s importance in pushing the boundaries of current AML treatment paradigms.
By offering a more precise risk stratification model that incorporates MRD, the research holds significant implications for both clinical practice and future studies. It highlights the potential for personalized treatment strategies and underscores the value of integrating dynamic, disease-specific biomarkers into genetic risk assessments.
This study not only validates the ELN-2022 genetic risk system in a specific patient cohort but also sets a new standard for prognostic accuracy in AML treatment. The enhanced model proposed by the study promises to inform more tailored treatment decisions, ultimately aiming to improve patient outcomes in AML.