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Hematology Am Soc Hematol Educ Program. 2012;2012:271-5. doi: 10.1182/asheducation-2012.1.271.

Emerging 'A' therapies in hemoglobinopathies: agonists, antagonists, antioxidants, and arginine.

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  • 1Hematology/Oncology, Children's Hospital and Research Center Oakland, Oakland, CA 94609, USA. evichinsky@mail.cho.org

Abstract

Sickle cell disease and thalassemia have distinctly different mutations, but both share common complications from a chronic vasculopathy. In the past, fetal hemoglobin-modulating drugs have been the main focus of new therapy, but the increased understanding of the complex pathophysiology of these diseases has led to the development of novel agents targeting multiple pathways that cause vascular injury. This review explores the pathophysiology of hemoglobinopathies and novel drugs that have reached phase 1 and 2 clinical trials. Therapies that alter cellular adhesion to endothelium, inflammation, nitric oxide dysregulation, oxidative injury, altered iron metabolism, and hematopoiesis will be highlighted. To evaluate these therapies optimally, recommendations for improving clinical trial design in hemoglobinopathies are discussed.

[PubMed - indexed for MEDLINE]
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