{"title":"Unveiling prognosis in patients with acute myeloid leukemia treated with hypomethylating agents and venetoclax through novel risk stratification","authors":"Jiajia Sun, Zhiping Guo","doi":"10.1016/j.lrr.2025.100550","DOIUrl":"10.1016/j.lrr.2025.100550","url":null,"abstract":"<div><div>Several genetic risk classification systems based on response to older acute myeloid leukemia patients treated with less-intensive regimens, especially venetoclax (VEN) + hypomethylating agent (HMA), are proposed recently. VEN+HMA improved the outcome of cytogenetic adverse-risk AML, AML with some of MR mutations and/or clonal hematopoiesis (CH) related mutations. <em>DNMT3A</em><sup>mut</sup>, <em>IDH1/2</em><sup>mut</sup> and <em>NPM1</em><sup>mut</sup> were defined as “VEN sensitive mutations”. <em>DDX41</em><sup>mut</sup> is identified as a particularly favorable-risk group. Even multi-hit <em>TP53</em> status did not negatively affect overall survival (OS) of <em>DDX41</em>-mutants. Signaling gene mutations (<em>FLT3-</em>ITD<sup>pos</sup> and <em>K/NRAS</em><sup>mut</sup>) are classified as intermediate risk, consistent with their biological associations as mediators of VEN resistance.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"24 ","pages":"Article 100550"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145320236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mustapha Mechtoune , Fatima Zahra Lahlimi , Illias Tazi , Hanane Rais , Houda Jouihri , Mohammed el Fadli
{"title":"Le lymphome cutanée primitif diffus à grandes cellules B : à propos d’un cas Primary cutaneous diffuse large B-cell lymphoma: a case report","authors":"Mustapha Mechtoune , Fatima Zahra Lahlimi , Illias Tazi , Hanane Rais , Houda Jouihri , Mohammed el Fadli","doi":"10.1016/j.lrr.2025.100538","DOIUrl":"10.1016/j.lrr.2025.100538","url":null,"abstract":"<div><div>The association of cutaneous B-cell lymphoma and dermatofibrosarcoma is exceptional. We report the case of a 44-year-old patient with a history of Darier-Ferrand dermatofibrosarcoma who presented with cutaneous B-cell lymphoma characterized by large atypical skin lesions with an aggressive course. The patient was treated with a combination of RCHOP-type chemotherapy and surgical treatment. We shed light on this very rare association whose prognosis depends on early diagnosis and adequate management.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"24 ","pages":"Article 100538"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145157328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Huan Liu , Yunxia Sun , Liangliang Li , Yurong Zhang , Yaxiong Zhou , Pengyun Zeng , Lingling Yue
{"title":"Rapid development of Philadelphia chromosome-negative AML in a CML patient with sustained major molecular response to tyrosine kinase inhibitor therapy","authors":"Huan Liu , Yunxia Sun , Liangliang Li , Yurong Zhang , Yaxiong Zhou , Pengyun Zeng , Lingling Yue","doi":"10.1016/j.lrr.2025.100536","DOIUrl":"10.1016/j.lrr.2025.100536","url":null,"abstract":"<div><div>The use of TKIs has significantly improved the prognosis of CML. However, a small subset of patients still experience poor outcomes. We present a rare case of Ph-AML following a diagnosis of CML. The patient achieved CCyR and MMR after 4 months of nilotinib therapy, with sustained deep remission for 3 years. Unexpectedly, the disease developed rapidly to AML. Further investigations revealed the emergence of CCA/Ph- and gene mutations. We retrospectively analyzed previous CML patients with <em>BCR::ABL1</em> and Ph-negative status in blast crisis from our database and conducted a comprehensive review of the relevant literature.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"24 ","pages":"Article 100536"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144903128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Dargenio , C. Buquicchio , D. Pastore , L. Aprile , L. Ciuffreda , G. Greco , M. Delia , V. Federico , MP. Fina , D. Seripa , R. Matera , G. Tarantini , A. Maggi , L. Melillo , V. Pavone , P. Musto , G. Specchia , N. Di Renzo
{"title":"Real-World Efficacy and Safety of Gemtuzumab Ozogamycin (GO) and 3 + 7 regimen in fit newly diagnosed Acute Myeloid Leukemia (AML) patients. A Retrospective multicenter study of “Rete Ematologica Pugliese” (REP)","authors":"M. Dargenio , C. Buquicchio , D. Pastore , L. Aprile , L. Ciuffreda , G. Greco , M. Delia , V. Federico , MP. Fina , D. Seripa , R. Matera , G. Tarantini , A. Maggi , L. Melillo , V. Pavone , P. Musto , G. Specchia , N. Di Renzo","doi":"10.1016/j.lrr.2025.100525","DOIUrl":"10.1016/j.lrr.2025.100525","url":null,"abstract":"<div><div>Gemtuzumab Ozogamicin, a monoclonal antibody targeting CD33, linked to calicheamicin, is approved in combination with “3 + 7″ for the treatment of patients with de novo CD33 positive AML. The aim of study was to evaluate the outcome of patients receiving 3 + 7 plus GO as front-line therapy outside clinical trials. Between March 2020 and February 2023, 34 consecutive fit CD33+ AML patients, median age 54.5 years (range, 25–75) were treated. This study confirms the efficacy and toxicity data reported in clinical trials, highlighting the feasibility of GO based chemotherapy also in patients older than 60 years and as a bridge to allo-HSCT.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"24 ","pages":"Article 100525"},"PeriodicalIF":0.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144523811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sona Rezaei , Mohammad Mohammadzadeh-Vardin , Keyvan Amirshahrokhi , Mojtaba Amani
{"title":"The synergistic effect of 2-deoxy-D-glucose and cytarabine on mitochondria of stem-like cells derived from KG1-a","authors":"Sona Rezaei , Mohammad Mohammadzadeh-Vardin , Keyvan Amirshahrokhi , Mojtaba Amani","doi":"10.1016/j.lrr.2025.100537","DOIUrl":"10.1016/j.lrr.2025.100537","url":null,"abstract":"<div><div>Acute myeloid leukemia (AML) often relapses post-chemotherapy due to leukemia stem cells (LSCs), which rely on mitochondria for energy, ROS regulation, and apoptosis. Targeting mitochondrial pathways may overcome LSC resistance. This study evaluated Cytarabine (Ara-C), 2-Deoxy-d-Glucose (2-DG), and their combination on AML-derived KG1-a cells using MTT assays, showing reduced viability with combined treatment. The Magnetic sorting isolated CD34+ (stem-like) and CD34- cells. Flow cytometry revealed increased ROS and decreased mitochondrial membrane potential (MMP) in KG1-a and CD34+ cells with 2-DG and Ara-C, suggesting a promising strategy to target resistant LSCs in AML therapy.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"24 ","pages":"Article 100537"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144863976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Baseline erythropoietin level predicts Luspatercept response in Chinese patients with myelodysplastic syndrome: a propensity score-matched analysis","authors":"Doudou Chang , Junyan Zhang , Meiling Zhao , Xialin Zhang , Jia Wei , Ruijuan Zhang","doi":"10.1016/j.lrr.2025.100532","DOIUrl":"10.1016/j.lrr.2025.100532","url":null,"abstract":"<div><h3>Background</h3><div>Luspatercept is a novel erythroid maturation agent approved for treating transfusion-dependent anemia in myelodysplastic syndrome (MDS). However, predictive biomarkers and real-world data in Asian populations remain limited.</div></div><div><h3>Methods</h3><div>We conducted a retrospective cohort study of 66 MDS patients from two Chinese centers, including 22 patients treated with luspatercept and 44 matched controls. Propensity score matching (1:2) was used to adjust for age, sex, risk category, baseline hemoglobin, transfusion burden, and erythropoietin (EPO) levels. Primary endpoints were red blood cell transfusion independence (RBC-TI) ≥8 weeks and hematologic improvement–erythroid (HI-E).</div></div><div><h3>Results</h3><div>By week 12, 54.5 % of luspatercept-treated patients achieved RBC-TI, compared to 29.5 % in the control group (<em>P</em> < 0.05). Patients with baseline EPO <500 IU/mL had higher RBC-TI rates than those with EPO ≥500 IU/mL (63.6 % vs. 45.5 %). Multivariate analysis identified baseline EPO <500 IU/mL as an independent predictor of response (OR=2.36, 95 % CI: 1.24–4.52, <em>P</em> = 0.008). Safety was acceptable, with no treatment discontinuation due to adverse events.</div></div><div><h3>Conclusion</h3><div>This first matched real-world study of luspatercept in Chinese MDS patients confirms its efficacy in reducing transfusion needs and identifies baseline erythropoietin level as a clinically meaningful predictor of response. These findings support the integration of EPO-guided selection in personalized treatment strategies.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"24 ","pages":"Article 100532"},"PeriodicalIF":0.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144712931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of non-coding RNAs on resistance to imatinib in chronic myelogenous leukemia","authors":"Fatemeh Ensafi Talemi , Soudeh Ghafouri-Fard","doi":"10.1016/j.lrr.2025.100529","DOIUrl":"10.1016/j.lrr.2025.100529","url":null,"abstract":"<div><div>Imatinib is approved as the first-line treatment for newly diagnosed chronic myelogenous leukemia (CML). In spite of profound response in the majority of patients, resistance occurs in a subgroup of CML cases. Recently, it has been demonstrated that different classes of non-coding RNAs can modulate response to this tyrosine kinase inhibitor. Recognition of the role of these transcripts in this process not only expands our knowledge about the molecular mechanisms of imatinib resistance, but also provides novel strategies for combating this phenotype. The current review summarizes the role of non-coding RNAs in this process and suggests novel candidates for further studies in this field to enhance therapeutic response to imatinib.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"24 ","pages":"Article 100529"},"PeriodicalIF":0.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Acute myeloid leukemia: A rare cause of acquired isolated factor VII deficiency","authors":"Zaineb Mlayah, Haifa Hafsa, Alaa Ghorbel, Nader Slama, Sara Boukhris, Mohamed-Adnene Laatiri","doi":"10.1016/j.lrr.2025.100516","DOIUrl":"10.1016/j.lrr.2025.100516","url":null,"abstract":"<div><h3>Background</h3><div>Acquired factor VII deficiency remains a rare pathology. Only 5 prior reported cases of aFVIID associated with acute myeloid leukemia (AML) have been described in the literature. Despite the rarity of these occurrences, these cases hold significant clinical and scientific implications given the need to understand the physopathology and to establish a therapeutic protocol ensuring better management.</div></div><div><h3>Case presentation</h3><div>A 38-year-old Arab male with AML was diagnosed at our Department of Clinical Hematology. The initial coagulation panel at admission revealed slightly low prothrombin ratio (PT) of 56 %, while the international normalized ratio (INR) and partial thromboplastin time (PTT) were within normal. Prothrombin complex coagulation factor dosing (PCCFD) confirmed an isolated reduction in the FVII in repeated samples, indicating an isolated deficiency. This patient did not present severe bleeding syndrome and had received conventional chemotherapy (cytarabine (Cytarabine)+ idarubicin). The evolution was marked by cytological remission (CR) with correction of coagulation disorders.</div></div><div><h3>Conclusion</h3><div>In conclusion, the intricate relationship between isolated aFVIID and AML remains mysterious. Researchers are essential to unravel the intricacies of this rare hematological condition. Further exploration into the molecular mechanisms, prognostic implications, and evolving treatment modalities is crucial to enhance the precision and efficacy of therapeutic interventions.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"23 ","pages":"Article 100516"},"PeriodicalIF":0.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Saja Asakrah , Kristin K. Deeb , Nikolaos Papadantonakis , George Deeb
{"title":"Trans-differentiation of plasma cell neoplasm to acute myeloid leukemia with monocytic features: Case report of divergent phenotype with identical genotype","authors":"Saja Asakrah , Kristin K. Deeb , Nikolaos Papadantonakis , George Deeb","doi":"10.1016/j.lrr.2025.100504","DOIUrl":"10.1016/j.lrr.2025.100504","url":null,"abstract":"<div><div>Myeloid malignancies following treatment for plasma cell neoplasms (PCN) are infrequent but is a serious complication, often exhibiting complex karyotype and <em>TP53</em> mutations. Plasma cell myeloma lineage switch to a myeloid malignancy with evident clonal relatedness is seldomly reported. Here, we report a unique case of acute myeloid leukemia with monocytic differentiation that shares clonal features with an antecedent plasma cell myeloma with t(4;14)(<em>FGFR3::IGH</em>). This phenomenon differs from therapy-related myeloid neoplasm arising from an unrelated clone and underscores the need to elucidate the role of mutations in pathways such as MAPK (e.g., <em>BRAF</em> and <em>KRAS</em>) into lineage plasticity.</div></div>","PeriodicalId":38435,"journal":{"name":"Leukemia Research Reports","volume":"23 ","pages":"Article 100504"},"PeriodicalIF":0.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143479979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}