Thrombotic complications of erythropoiesis-stimulating agents
Abstract
The synthesis of erythropoiesis-stimulating agents (ESAs), especially recombinant human erythropoietin, has provided a new therapeutic option for the treatment of patients with various forms of anemia, including that of chronic renal disease, malignancy, hematologic disorders, prematurity, and acquired immune deficiency syndrome. These agents are effective in improving the hematologic response and reducing the need for red blood cells transfusion, and they also appear to have a positive effect on some health-related quality-of-life indicators. The incidence of side effects and survival, however, remains highly uncertain, and several studies have recently highlighted the problem of an increased trend of tumor progression, mortality and thrombotic complications, especially venous thromboembolism, in patients undergoing therapy with ESAs. Specifically, the biological background underlying the prothrombotic effects of ESAs is multifaceted (polycythemia/hyperviscosity syndrome, hypertension, thrombocytosis, platelet hyperactivity, activation of blood coagulation) and context dependent, and it most likely requires the presence of additional prothrombotic factors. Nevertheless, this clinical and biological evidence supports the hypoth...Continue Reading
Citations
Impact of Time-Varying Treatment Exposures on the Risk of Venous Thromboembolism in Multiple Myeloma
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