Correction of Anaemia and Progression of Renal Failure on Transplanted Patients
Correction of Anaemia and Progression of Renal Failure on Transplanted Patients
The purpose of this study is to evaluate, on renal transplanted patients with CGD, the effect
 of two levels of haemoglobin on quality of life at 6 months and the speed of progression of
 renal function degradation at 24 months.

 This study will recruit 140 patients in 21 centers in France.
The number of patients arriving each year at the stage of final renal insufficiency (IRT) and
 requiring the dialysis of substitution does not cease growing, in parallel with continuous
 ageing of the population in industrialized countries. The incidence of the IRT is
 approximately 110 new patients per million inhabitants per year, which represents an annual
 progression from approximately 4% to 8% according to areas.Approximately 35000 patients are
 currently treated by dialysis, 90% by hemodialysis and 10% per peritoneal dialysis . The
 other alternative to the treatment of the IRT is renal transplantation. Approximately 2000
 patients are transplanted each year in France, and it is estimated that a minimum of 3000
 transplantations should annually be carried out in order to answer at the request of the
 patients registers on a chronic program of dialysis and in to be transplanted age.

 The total number of patients living with a functional graft is approximately 15000.

 The IRT is a major problem of public health and its cost is considerable: for less than 50000
 patients, this one represents nearly 4% of the annual budget of the social security. To slow
 down the progression of the IRC represents a major therapeutic challenge, including at the
 transplanted patients.

 The physiopathological mechanisms proposed to explain the harmful role of anaemia in the
 progression of the renal lesions during the IRC rest on the tissue hypoxia induced by the
 reduction in haemoglobin. The tissue hypoxia supports the development of the interstitial
 fibrosis by stimulating the production of type I collagen and some inhibitors of
 metalloproteases, implied in the extracellular matrix degradation. The hypoxia also
 stimulates the synthesis of TGF-beta, pro-fibrosing factors implied in the progression of
 many renal diseases, in particular the nephropathy diabetic. By reducing the hypoxia thanks
 to the correction of anaemia by the EPO, one can hope to slow down the progression of the
 interstitial fibrosis, and thus the progression of the renal insufficiency. Lastly, the
 correction of anaemia reduces resistance to insulin and the secondary hyperinsulinism to
 uraemia, improves the dyslipidemia and the oxidizing stress, factors also implied in the
 progression of many nephropathies, diabetic or not.

 It appears that anaemia is a factor of risk of progression of the chronic nephropathies. To
 slow down the progression of the chronic dysfunction of the graft is an important challenge
 because of shortage of graft and impossibility, in the current state of the French centers of
 renal transplantation to carry out the number of necessary grafts to provide for the current
 waiting list. Our hypothesis, if it is checked, should make it possible to very appreciably
 improve the quality of life of the transplanted patients and to slow down the progression of
 their IRC, thus delaying the duration before return in dialysis.

 Population: Renal patients transplanted since at least 12 months, presenting a CGD defined by
 20 ml/mn/1,73 m2 > Clcr < 50 ml/mn/1,73 m2 and an anaemia (Hb < 11,5 g/dl)

 The patients answering the criteria of selection will be assigned by randomization with the
 one of the two following groups:

 -  Group a: target haemoglobin: 13 to 15 g/dl

 -  Group b: target haemoglobin: 10,5 to 11,5 g/dl

 Criteria of inclusion

 -  Adults of male or female sex of more than 18 years

 -  Patients having profited from one 1st or one the 2nd renal Transplantation

 -  Patients Transplanted since more than 1 year

 -  Patients having a CGD defined by Clcr < 50 ml/mn/1,73 m2

 -  Patients presenting an anaemia: Hb lower than 11,5 g/dl

 -  Absence of deficiency out of iron

 -  Patients having given their in writing consent

 Study Treatment: Neorecormon® (Epoétine beta) under cutaneous injection

 The objective of the study is to show a difference between group A "haemoglobin target: 13 to
 15 g/dl" and group it B "haemoglobin target: 10,5 to 11,5 g/dl", with regard to the renal
 function.

 The calculation of the number of patients is thus based on a model of covariance analysis in
 repeated measurements of clearance of creatinin on the whole of the times evaluated between
 J0 and M24 and on the following hypothesis:

 -  H0: no effect groups during the two years of follow-up

 -  H1: Effect groups, evolution different from the values of Clcr during the follow-up

 The alfa-risk (probability of rejecting H0 wrongly) was fixed at 5% The beta-risk
 (probability of keeping H0 wrongly) at 10% The total number of patients to be randomized was
 estimated at 140 (70 by group) This number of patients will also make it possible to test the
 scores of quality of life with a power higher than 90%
Inclusion Criteria:

 -  Adults male or female of 18 years male or female sex to 70 years

 -  Patients having profited from one 1st or one the 2nd transplantation

 -  Patients transplanted since more than 1 year and less than 20 years.

 -  Patients having a CDG defined by a clearance of creatinin, lower than 50 ml/mn/1,73 m2
 (according to Gault and Cockcroft) and whose renal function is stable over the last 3
 months (variation of Scr of less than 20% over the last 3 months)

 -  Patients presenting an anaemia: Hb lower than 11.5 g/dl

 -  No deficiency out of iron: Saturation of the transferrin > 20% and ironnemia > 50 mg/l
 at the time of the screening visit

 -  Patients having given their written consent

 Exclusion Criteria:

 -  Major forms of drepanocytosis or thalassaemia

 -  Iron Deficit (CST < 20% or ferritin < 50 mg/l)

 -  Haemolysis (haptoglobin < 0,30 g/l)

 -  Severe renal insufficiency: Clcr < 20 ml/min/1,73 m2

 -  Severe Hyperparathyroidy (serum PTH > 800 pg/ml)

 -  Evolutionary chronic inflammatory Disease (CRP > 15 mg/l)

 -  Acute or chronic infectious disease

 -  Evolutionary neoplasic Disease

 -  Infection by the HIV and viral cirrhosis

 -  Recent Antecedents of MI or AIT (< 3 months)

 -  Severe Arteritis of the lower limbs (Stage III or IV)

 -  Acute Rejection requiring a treatment in the 3 previous months

 -  Blood Transfusion on the last 3 months

 -  Evolutionary GI Ulcer on the last 3 months

 -  Severe Arterial HyperTension not controlled by medicamentous treatment (NOT > 170 mm
 Hg or PAD > 100 mm Hg under treatment)

 -  Epilepsy of recent diagnosis

 -  Relevant biological value(at screening visit) : - Proteinuria > 3 g/24h

 -  Serum Albumin < 30 g/l

 -  Platelets > 600.000/µl

 -  Programmed heavy surgery

 -  Pregnancy or breast feeding

 -  Administration of an experimental drug in the 30 days preceding the screening visit

 -  Known Over-sensitiveness to Epoetin beta

 -  Patients under Sirolimus

 -  Patients under EPO at screening visit