journal article Jun 08, 2023

Myelodysplastic syndromes: 2023 update on diagnosis, risk‐stratification, and management

American Journal of Hematology Vol. 98 No. 8 pp. 1307-1325 · Wiley
View at Publisher Save 10.1002/ajh.26984
Abstract
AbstractDisease overviewThe myelodysplastic syndromes (MDS) are a very heterogeneous group of myeloid disorders characterized by peripheral blood cytopenias and increased risk of transformation to acute myelogenous leukemia (AML). MDS occurs more frequently in older males and in individuals with prior exposure to cytotoxic therapy.DiagnosisDiagnosis of MDS is based on morphological evidence of dysplasia upon visual examination of a bone marrow aspirate and biopsy. Information obtained from additional studies such as karyotype, flow cytometry, and molecular genetics is usually complementary and may help refine diagnosis. A new WHO classification of MDS was proposed in 2022. Under this classification, MDS is now termed myelodysplastic neoplasms.Risk‐stratificationPrognosis of patients with MDS can be calculated using a number of scoring systems. All these scoring systems include analysis of peripheral cytopenias, percentage of blasts in the bone marrow, and cytogenetic characteristics. The most commonly accepted system is the Revised International Prognostic Scoring System (IPSS‐R). Recently, genomic data has been incorporated resulting in the new IPSS‐M classification.Risk‐adapted therapyTherapy is selected based on risk, transfusion needs, percent of bone marrow blasts, cytogenetic and mutational profiles, comorbidities, potential for allogeneic stem cell transplantation (alloSCT), and prior exposure to hypomethylating agents (HMA). Goals of therapy are different in lower risk patients than in higher risk and in those with HMA failure. In lower risk, the goal is to decrease transfusion needs and transformation to higher risk disease or AML, as well as to improve survival. In higher risk, the goal is to prolong survival. In 2020, two agents were approved in the US for patients with MDS: luspatercept and oral decitabine/cedazuridine. In addition, currently other available therapies include growth factors, lenalidomide, HMAs, intensive chemotherapy, and alloSCT. A number of phase 3 combinations studies have been completed or are ongoing at the time of this report. At the present time there are no approved interventions for patients with progressive or refractory disease particularly after HMA based therapy. In 2021, several reports indicated improved outcomes with alloSCT in MDS as well as early results from clinical trials using targeted intervention.
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Details
Published
Jun 08, 2023
Vol/Issue
98(8)
Pages
1307-1325
License
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Funding
National Institutes of Health Award: CA016672
University of Texas MD Anderson Cancer Center
Cite This Article
Guillermo Garcia‐Manero (2023). Myelodysplastic syndromes: 2023 update on diagnosis, risk‐stratification, and management. American Journal of Hematology, 98(8), 1307-1325. https://doi.org/10.1002/ajh.26984
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