Coordinator : Pr JP.CRISTOL Montpellier hospital university Rational : The hemodialyzed patients are subject to inflammation due to their pathologies and to the technique. The VIE dialyzer polysulfon coated to vitamin E has been shown to have a favourable action on inflammation and anemia. The investigators want to highlight the influence of vitamine E graft using as controlled dialyzer a similar polysulfon from the same manufacturer without vitamin E.