Nephrol Dial Transplant (2002) 17: 359-362
© 2002 European Renal Association-European Dialysis and Transplant Association
Editorial Comments
Epoetin treatment: what are the arguments to expect a beneficial effect on renal disease progression?
1 AP-HP, The University of Paris VI and INSERM U489, Paris, France, 2 Department of Medicine, Emory University, Atlanta, GA, USA, 3 Department of Renal Medicine, Gosford Hospital, Gosford, Australia and 4 Renal Unit, University Hospital, Vrije Universiteit Brussel, Brussels, Belgium
Keywords: anaemia; chronic kidney disease; epoetin; fibrosis; hypoxia; oxidative stress
Introduction
Progression of chronic kidney disease is usually a relentless process. It is initially induced by the underlying kidney disease and its consequences. But, when nephron numbers decrease beyond a certain threshold, it is also caused by deleterious effects of this reduction in nephron number, which creates a vicious circle. Besides treatment of the underlying renal disease whenever possible, the main therapeutic tools that are available to slow the progression of renal failure are optimal control of blood pressure, use of angiotensin-converting enzyme inhibitors, and to a lesser extent dietary protein restriction (reviewed in [1]). The efficacy of these therapies is, however, limited, and the need for other treatments is highlighted by the observation that, for the past decade, the incidence of end-stage renal disease has been increasing at an annual rate of about 68% in most European countries. Among the other therapeutic interventions that could slow the progression
The roles of epoetin go beyond correction of hypoxia
Interstitial fibrosis and tubular damage play a key role in the progression of renal failure
Hypoxia appears to link interstitial fibrosis and tubular damage
Oxidative stress and apoptosis may enhance the effects of hypoxia
Clinical studies suggest that epoetin may slow the progression of renal failure
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