Describe the Effect of the Optimized Hemodialysis Technique (HDx) With Medium Cut-Off Membrane on Recovery Time and Quality of Life

Inclusion Criteria: * Patient, male or female (using contraceptives, if of childbearing age), over 18 years of age * Patient on conventional hemodialysis with synthetic membrane for at least 3 months * Patient with a recovery time after the dialysis session ≥ 4 hours * Informed patient who has signed a written consent to participate in the study * Affiliated patient or beneficiary of a social security scheme Exclusion Criteria: * Patient whose seniority of dialysis is less than 3 months * Pregnant woman * Protected patient: adult under guardianship, curatorship or other legal protection, deprived of liberty by judicial or administrative decision * Patient with severe cognitive impairment * Medically unstable or frail patient * Patient who did not sign an informed consent form accepting this research (refusal of consent or absence of signature).