Graft-versus-host disease (GVHD) is a major cause of mortality after allogeneic hematopoietic stem cell transplantation (HSCT). Extracorporeal exposure of peripheral blood mononuclear cells to the photosensitizing agent 8-methoxypsoralen and ultraviolet A radiation has been shown to be effective in
Extracorporeal photopheresis: How, when, and why
✍ Scribed by David M. Ward
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 686 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0733-2459
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✦ Synopsis
Abstract
Extracorporeal photopheresis (ECP) is a well‐tolerated procedure that suppresses T‐lymphocyte activity in a clonally‐specific way. It is an effective therapy that has established indications in the management of cutaneous T‐cell lymphoma, graft‐versus‐host disease and some scenarios of solid‐organ transplant rejection. It is being used increasingly around the world. Its applications are evolving, including exploration of its potential for treating autoimmune diseases where cytotoxic T‐cell‐mediated mechanisms appear to be involved, such as Crohn's disease. This article reviews scientific insights into its mechanism of action on the immune system, details of the clinical procedure, its clinical applications in various diseases, and the current evidence for its efficacy and place in medical therapeutics. J. Clin. Apheresis, 2011. © 2011 Wiley‐Liss, Inc.
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