Abstract
Myelodysplastic syndromes/neoplasms (MDS) are a heterogeneous group of hematologic malignancies that are stratified into high-risk (HR-MDS) and low-risk (LR-MDS) categories. Until recently LR-MDS has been typically managed by supportive measures and erythropoiesis-stimulating agents (ESAs); whereas, management of HR-MDS, typically included hypomethylating agents and allogeneic hematopoietic stem cell transplant. However, the limited rates and duration of response observed with these interventions prompted the search for targeted therapies to improve the outcomes among patients with MDS. Here we review the current landscape of targeted therapies in MDS. These include pyruvate kinase and hypoxia-inducible factor (HIF) activators; TGF-beta, telomerase, BCL2 and isocitrate dehydrogenase (IDH) inhibitors; as well as novel approaches targeting inflammation, pyroptosis, immune evasion and RNA splicing machinery. This review highlights the progress and challenges in MDS treatment. Despite some promising results, many therapies remain in early development or have faced setbacks, emphasizing the need for a more comprehensive understanding of the disease's pathobiology. Continued research into targeted therapies, homogenous clinical trial designs, as well as increased incorporation of molecular prognostic tools and artificial intelligence into trial design are essential for developing effective treatments for MDS and improving patient outcomes.
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