期刊
THERAPEUTIC ADVANCES IN HEMATOLOGY
卷 11, 期 -, 页码 -出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/2040620720902904
关键词
ADAMTS13; caplacizumab; nanobody; TTP; vWF
类别
资金
- NHLBI NIH HHS [T32 HL007057] Funding Source: Medline
Thrombotic thrombocytopenic purpura (TTP) is usually a fatal disease caused by a deficiency of the metalloproteinase, ADAMTS13, often due to autoimmunity. This leads to the development of pathogenic multimers of von Willebrand factor (vWF), causing an inappropriate interaction of platelets and vWF. This results in a thrombotic microangiopathy, which is treated with therapeutic plasma exchange and immune suppression. Although this treatment has reduced the mortality of TTP to only about 20%, there have been no recent significant advances in the treatment of TTP. Recently, a novel agent has been approved for use in TTP. Caplacizumab, which binds to the A1 domain of vWF, prevents the adhesion of platelets to vWF. It is a first in-class 'nanobody', that in clinical trials has shown marked efficacy in treating TTP and its complications. This review will discuss the development and implications of caplacizumab in the treatment of TTP.
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