Iron Sucrose in Stage 3/4 Kidney Disease
One of the complications of late stage kidney disease is the development of a low red blood cell count (anaemia/low haemoglobin concentration). The Australian Commonwealth government limits funding of medications (called erythropoietic stimulating agents) to those patients who have already developed anaemia.
There is evidence supporting the beneficial effects of maintaining a higher haemoglobin in these patients. Higher haemoglobin can delay the onset of dialysis and reduce the development of heart enlargement. However, the administration of erythropoietic stimulating agents is not without risk, including a high financial burden, worsening of high blood pressure and a rare complication called pure red cell aplasia.
Previous studies have shown that patients with chronic kidney disease require additional iron to maintain the production of red blood cells. Thus it would be timely to determine if the administration of iron sucrose to these patients can maintain a near normal haemoglobin concentration, without the need to start an erythropoietic stimulating agent and possibly delaying dialysis.
Study Hypothesis: That administration of iron sucrose is superior to standard care in the prevention of anaemia in patients with stage 3 /4 kidney disease.
Eligible patients will be approached. Those who agree to partake in the study will, after enrolment (including informed consent), be randomized to one of 2 groups.
Group A: To receive intravenous iron sucrose to maintain supra-physiological measures of iron status ) Group A will be targeted to have ferritin levels between 300 and 500µg/L and/or a transferrin saturation of between 25 and 50%. Between 100 and 200mg of intravenous iron sucrose will be administered by slow bolus injection one- to two-monthly to achieve these levels.
Oral iron will not be used routinely in this group.
Group B: Will have oral iron therapy if required to maintain ferritin levels between 100 and 150µg/L and/or transferrin saturations >20% but <25%. Patients in Group B who are unable to tolerate oral iron will be administered iron sucrose if necessary to maintain acceptable iron levels.
Patients in Group B will therefore differ from those in Group A (a) through the routine use of iron sucrose and (b) through the maintenance of different ferritin and transferrin saturation levels.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Central Coast Health
New South Wales
Active, not recruiting
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00202345
- Information obtained from ClinicalTrials.gov on July 15, 2010
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Medical and Biotech [MESH] Definitions
A severe irreversible decline in the ability of kidneys to remove wastes, concentrate URINE, and maintain ELECTROLYTE BALANCE; BLOOD PRESSURE; and CALCIUM metabolism. Renal failure, either acute (KIDNEY FAILURE, ACUTE) or chronic (KIDNEY FAILURE, CHRONIC), requires HEMODIALYSIS.
A complication of kidney diseases characterized by cell death involving KIDNEY PAPILLA in the KIDNEY MEDULLA. Damages to this area may hinder the kidney to concentrate urine resulting in POLYURIA. Sloughed off necrotic tissue may block KIDNEY PELVIS or URETER. Necrosis of multiple renal papillae can lead to KIDNEY FAILURE.
The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.
Iron or iron compounds used in foods or as food. Dietary iron is important in oxygen transport and the synthesis of the iron-porphyrin proteins hemoglobin, myoglobin, cytochromes, and cytochrome oxidase. Insufficient amounts of dietary iron can lead to iron-deficiency anemia.
Acute kidney failure resulting from destruction of EPITHELIAL CELLS of the KIDNEY TUBULES. It is commonly attributed to exposure to toxic agents or renal ISCHEMIA following severe TRAUMA.