Acta HaematologicaPub Date : 2024-01-01Epub Date: 2023-08-07DOI: 10.1159/000533349
Stefano Molica, Marco Rossi, David Allsup
{"title":"Consensus Statements Highlight the Need of Harmonizing Chronic Lymphocytic Leukemia Management Worldwide.","authors":"Stefano Molica, Marco Rossi, David Allsup","doi":"10.1159/000533349","DOIUrl":"10.1159/000533349","url":null,"abstract":"<p><p>In addition to the European Society for Medical Oncology (ESMO) and National Comprehensive Cancer Network (NCCN) guidelines that are reference standards for the treatment of chronic lymphocytic leukemia (CLL) in Europe and the USA, several consensus statements, formulated by independent, multidisciplinary panels of specialists, have been developed to provide region-specific guidance for the management of CLL.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":" ","pages":"257-259"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9944849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Acta HaematologicaPub Date : 2024-01-01Epub Date: 2023-09-06DOI: 10.1159/000533990
Evan C Chen, Jacqueline S Garcia
{"title":"Immunotherapy for Acute Myeloid Leukemia: Current Trends, Challenges, and Strategies.","authors":"Evan C Chen, Jacqueline S Garcia","doi":"10.1159/000533990","DOIUrl":"10.1159/000533990","url":null,"abstract":"<p><strong>Background: </strong>In the past decade, there have been significant breakthroughs in immunotherapies for B-cell lymphoid malignancies and multiple myeloma, but progress has been much less for acute myeloid leukemia (AML). Nevertheless, challenge begets innovation and several therapeutic strategies are under investigation.</p><p><strong>Summary: </strong>In this review, we review the state of the art in AML immunotherapy including CD33- and CD123-targeted agents, immune checkpoint inhibition, and adoptive cell therapy strategies. We also share conceptual frameworks for approaching the growing catalog of investigational AML immunotherapies and propose future directions for the field.</p><p><strong>Key messages: </strong>Immunotherapies for AML face significant challenges but novel strategies are in development.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":" ","pages":"198-218"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10226340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Immune Dysfunction and Infection - Interaction between CLL and Treatment: A Reflection on Current Treatment Paradigms and Unmet Needs.","authors":"Ernesto Gargiulo, Rebecca Svanberg Teglgaard, Tereza Faitová, Carsten Utoft Niemann","doi":"10.1159/000533234","DOIUrl":"10.1159/000533234","url":null,"abstract":"<p><strong>Background: </strong>Chronic lymphocytic leukemia (CLL) is a hematological malignancy characterized by immune dysfunction, which significantly contributes to increased morbidity and mortality due to infections.</p><p><strong>Summary: </strong>Advancement in therapeutic strategies based on combination chemoimmunotherapy and targeted treatment have increased life expectancy for patients affected by CLL. However, mortality and morbidity due to infection showed no improvement over the last decades. Although therapy options are highly efficient in targeting leukemic cells, several studies highlighted the interactions of different treatments with the tumor microenvironment immune components, significantly impacting their clinical efficacy and fostering increased risk of infections.</p><p><strong>Key messages: </strong>Given the profound immune dysfunction caused by CLL itself, treatment can thus represent a double-edged sword. Thus, it is essential to increase our understanding and awareness on how conventional therapies affect the disease-microenvironment-infection axis to ensure the best personalized strategy for each patient. This requires careful consideration of the advantages and disadvantages of efficient treatments, whether chemoimmunotherapy or targeted combinations, leading to risk of infectious complications. To this regard, our machine learning-based algorithm CLL Treatment-Infection Model, currently implemented into the local electronic health record system for Eastern Denmark, aims at early identification of patients at high risk of serious infections (PreVent-ACaLL; NCT03868722). We here review strategies for management of immune dysfunction and infections in CLL.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":" ","pages":"84-98"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9876819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bárbara Marques, Catarina Nora, Daniela Coelho, Patrícia Martinho, Teresa Fidalgo, Marília Gomes, Letícia Ribeiro, Catarina Geraldes, José Pedro Carda
{"title":"The Challenging Management of Acute Thrombotic Microangiopathy in Pregnancy.","authors":"Bárbara Marques, Catarina Nora, Daniela Coelho, Patrícia Martinho, Teresa Fidalgo, Marília Gomes, Letícia Ribeiro, Catarina Geraldes, José Pedro Carda","doi":"10.1159/000527553","DOIUrl":"https://doi.org/10.1159/000527553","url":null,"abstract":"<p><p>Thrombotic microangiopathy is characterized by microangiopathic hemolytic anemia, thrombocytopenia, and end-organ injury. Pregnancy-associated thrombotic microangiopathy is a severe disorder with a high risk of maternal mortality and poor fetal outcomes. Preeclampsia/eclampsia and hemolysis, elevated liver enzymes, and low platelets syndrome are the most common causes, and hemolytic uremic syndrome or thrombotic thrombocytopenic purpura are rare causes. Due to overlapping clinical findings, the differential diagnosis is challenging and should be managed by a multidisciplinary team. We present a case of a 38-year-old woman at 40 weeks of second gestation, admitted with thrombotic microangiopathy being the final diagnosis not immediately clear.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":"146 1","pages":"72-75"},"PeriodicalIF":2.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9219791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prognostic Significance of CD20 Expression in Children with Philadelphia Chromosome-Negative B-Cell Precursor Acute Lymphoblastic Leukemia.","authors":"Yu Wang, Yu-Juan Xue, Yue-Ping Jia, Ying-Xi Zuo, Ai-Dong Lu, Le-Ping Zhang","doi":"10.1159/000530849","DOIUrl":"10.1159/000530849","url":null,"abstract":"<p><strong>Introduction: </strong>The prognostic significance of CD20 in pediatric B-cell precursor acute lymphoblastic leukemia (BCP-ALL) remains unclear. Therefore, in this study, we evaluated the prognostic value of CD20 expression in leukemia blasts in pediatric BCP-ALL at our institute.</p><p><strong>Methods: </strong>Between 2005 and 2017, 796 children with newly diagnosed Philadelphia-negative BCP-ALL were enrolled consecutively; clinical characteristics and treatment outcomes were analyzed and compared between CD20-positive and CD20-negative groups.</p><p><strong>Results: </strong>CD20 positivity was observed in 22.7% of enrolled patients. The analysis of overall and event-free survival showed that white blood cell count ≥50 × 109/L, no ETV6-RUNX1, day 33 minimal residual disease (MRD) ≥0.1%, and week 12 MRD ≥0.01% were independent risk factors. Meanwhile, in the CD20-positive group, week 12 MRD ≥0.01% was the only factor associated with long-term survival. Moreover, subgroup analysis revealed that in patients with extramedullary involvement (p = 0.047), MRD ≥0.1% on day 33 (p = 0.032), or MRD ≥0.01% at week 12 (p = 0.004), CD20 expression led to a poorer outcome compared to those without CD20 expression.</p><p><strong>Conclusions: </strong>Pediatric BCP-ALL with CD20 expression had unique clinicopathological characteristics, and MRD remained the major prognostic factor. CD20 expression had no prognostic value in pediatric BCP-ALL.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":" ","pages":"349-357"},"PeriodicalIF":2.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9754731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prediction of Splenectomy Outcomes in Relapsed or Refractory Immune Thrombocytopenia.","authors":"Philip Murphy","doi":"10.1159/000530678","DOIUrl":"https://doi.org/10.1159/000530678","url":null,"abstract":"A recent publication by Kwag et al suggests that first line response to intravenous immunoglobulins in patients with immune thrombocytopenia (ITP) may predict long term response to splenectomy. Predominant platelet sequestration using platelet kinetic studies may similarly predict ITP patients who respond rest to splenectomy. A study comparing response to intravenous immunoglobulins and platelet kinetic studies prior to splenectomy for ITP might identify to identify the optimal means of predicting response to splenectomy.","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":"146 4","pages":"343-344"},"PeriodicalIF":2.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9974972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mingling Sun, Xiujuan Wang, Lei Wang, Xinyou Wang, Wenxia Fan, Ying Liu, Qinzhi Li, Ning Zhang, Xinhong Guo
{"title":"The Role of Follicular Regulatory T Cells/Follicular Helper T Cells in Primary Immune Thrombocytopenia.","authors":"Mingling Sun, Xiujuan Wang, Lei Wang, Xinyou Wang, Wenxia Fan, Ying Liu, Qinzhi Li, Ning Zhang, Xinhong Guo","doi":"10.1159/000529963","DOIUrl":"https://doi.org/10.1159/000529963","url":null,"abstract":"<p><strong>Introduction: </strong>Immune thrombocytopenia (ITP) is an autoimmune disease characterized by thrombocytopenia. Herein, we sought to identify potential immune-related therapeutic targets in ITP.</p><p><strong>Methods: </strong>The differentially expressed genes (DEGs) between ITP patients and controls in GSE43177 and PRJNA299534 were analyzed. The intersections of the two DEG groups were screened as common genes, and enrichment analysis was performed. Additionally, differential analysis of immune cell levels between ITP and controls was performed. Changes in the proportions of T follicular helper (Tfh) and follicular regulatory T (Tfr) cells in peripheral blood samples from ITP patients, ITP patients responding to therapy, and healthy controls were identified. The expression changes in B-cell lymphoma (Bcl)-6 and interleukin (IL)-21 were further evaluated.</p><p><strong>Results: </strong>A total of 76 common genes were identified, and enrichment analysis found that these genes were mainly associated with neutrophil-mediated immunity, the MAPK signaling pathway, and the FOXO signaling pathway. Furthermore, we found different levels of Tfh cells in patients with ITP and controls. The level of Tfh cells in the peripheral blood is significantly increased in ITP patients and declines after responding to therapy. The Tfr/Tfh ratio was reduced in ITP patients and increased after responding to therapy. IL-21 and Bcl-6 were more highly expressed in ITP patients than in controls.</p><p><strong>Conclusion: </strong>We identified abnormally expressed genes in ITP related to immune-related biological functions. We further identified the changes in Tfh and Tfr cells during ITP treatment. This provides a rationale for immunotherapy in ITP patients.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":"146 4","pages":"267-276"},"PeriodicalIF":2.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9983998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Waldenström Macroglobulinemia and Non-IgM-Type Lymphoplasmacytic Lymphoma Are Genetically Similar.","authors":"Maaya Awata-Shiraiwa, Akihiko Yokohama, Yukihiro Kanai, Nanami Gotoh, Tetsuhiro Kasamatsu, Hiroshi Handa, Takayuki Saitoh, Hirokazu Murakami, Junko Hirato, Hayato Ikota, Norifumi Tsukamoto","doi":"10.1159/000530100","DOIUrl":"10.1159/000530100","url":null,"abstract":"<p><strong>Introduction: </strong>Waldenström macroglobulinemia (WM) represents a subset of lymphoplasmacytic lymphoma (LPL) with the immunoglobulin (Ig)M paraprotein. MYD88 L265P and CXCR4 mutations are common mutations in WM patients, and mutations in ARID1A and KMT2D (MLL2) have also been reported. However, little information has been accumulated on genetic changes in LPL with other paraproteins like IgG.</p><p><strong>Methods: </strong>We therefore aimed to evaluate genetic differences between WM and LPL with non-IgM paraprotein (non-IgM-type LPL) using targeted next-generation sequencing (NGS) in 20 Japanese patients (10 with WM, 10 with non-IgM-type LPL).</p><p><strong>Results: </strong>Mutations were detected in ARID1A (10%), CXCR4 (20%), MYD88 (90%), and KMT2D (0%) for WM patients and in ARID1A (10%), CXCR4 (20%), MYD88 (70%), and KMT2D (10%) for non-IgM-type LPL patients. No significant differences were identified. No mutations were detected in NOTCH2, PRDM1, CD274 (PD-L1), PDCD1LG2 (PD-L2), RAG2, MYBBP1A, TP53, or CD79B.</p><p><strong>Discussion: </strong>Mutant allele frequency in MYD88 L265P did not differ significantly between WM and non-IgM-type LPL. Most mutations detected by NGS were subclonal following MYD88 L265P, although one non-IgM-type LPL patient harbored only CXCR4 S338X mutation. Our NGS analyses reveal genetic characteristics in LPL patients and suggest genetic similarities between these two subsets of LPL, WM and non-IgM-type.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":" ","pages":"384-390"},"PeriodicalIF":2.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9465826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Acta HaematologicaPub Date : 2023-01-01Epub Date: 2023-05-17DOI: 10.1159/000531101
Pasquale Niscola, Carla Mazzone, Stefano Fratoni, Nicolina Rita Ardu, Laura Cesini, Marco Giovannini, Tiziana Ottone, Lucia Anemona, Maria Teresa Voso, Paolo de Fabritiis
{"title":"Acute Myeloid Leukemia with NPM1 Mutation and Disseminated Leukemia Cutis: Achievement of Molecular Complete Remission by Venetoclax/Azacitidine Combination in a Very Old Patient.","authors":"Pasquale Niscola, Carla Mazzone, Stefano Fratoni, Nicolina Rita Ardu, Laura Cesini, Marco Giovannini, Tiziana Ottone, Lucia Anemona, Maria Teresa Voso, Paolo de Fabritiis","doi":"10.1159/000531101","DOIUrl":"10.1159/000531101","url":null,"abstract":"<p><p>We describe a case of acute myeloid leukemia with NPM1 mutation and disseminated leukemia cutis in a very old patient, who achieved a long-lasting response to the azacitidine/venetoclax combination with molecular complete remission, given the potential value of this rarely observed clinical outcome.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":" ","pages":"408-412"},"PeriodicalIF":2.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9522852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Idan Goldberg, Eytan Cohen, Anat Gafter-Gvili, Tzippy Shochat, Eitan Kugler, Ili Margalit, Elad Goldberg, Pia Raanani, Ilan Krause
{"title":"A Longitudinal Assessment of the Natural Change in Haemoglobin, Haematocrit, and Mean Corpuscular Volume with Age.","authors":"Idan Goldberg, Eytan Cohen, Anat Gafter-Gvili, Tzippy Shochat, Eitan Kugler, Ili Margalit, Elad Goldberg, Pia Raanani, Ilan Krause","doi":"10.1159/000529356","DOIUrl":"https://doi.org/10.1159/000529356","url":null,"abstract":"<p><strong>Introduction: </strong>We aimed to assess the natural annual trends in the levels of haemoglobin, haematocrit, and mean corpuscular volume (MCV) in a population of adults, together with the influence of different clinical parameters on these trends.</p><p><strong>Methods: </strong>A retrospective analysis was carried out on data from a large cohort of subjects attending a screening centre in Israel. For each subject, the yearly average change of haemoglobin, haematocrit, and MCV was calculated. Statistical analysis was performed for the whole cohort and for different subgroups.</p><p><strong>Results: </strong>The study included 3,551 subjects. The average annual rates of decline were found to be -0.0550 g/dL (95% confidence interval [CI] -0.0590 g/dL to -0.0503 g/dL) and -0.097% (95% CI -0.112% to -0.083%) for haemoglobin and haematocrit, respectively. An average annual increase in the MCV level by 0.184 fL (95% CI 0.168 fL-0.200 fL) was found. Among men, the rate of decline in haemoglobin was found to be twice as high compared with women -0.06 g/dL versus -0.03 g/dL, respectively (p = 0.0063). In a multivariate analysis, gender remained the only parameter significantly associated with the annual decline of haemoglobin (p = 0.0001).</p><p><strong>Conclusion: </strong>An annual average decrease in the levels of haemoglobin and haematocrit together with an annual increase in MCV was found. These changes were more prominent in men.</p>","PeriodicalId":6981,"journal":{"name":"Acta Haematologica","volume":"146 3","pages":"206-213"},"PeriodicalIF":2.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9568688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}