Study of the Effect of Synchronised Anaemia Management in Chronic Kidney Disease

Anemia, Kidney Failure, Chronic

CKD, Anaemia, Synchronization, Monthly dosing, Home Delivery

Aims: 1. To establish an electronic process for CKD anaemia management using monthly synchronized dosing of erythrocyte stimulating agents (ESA). 2. To compare this electronic process with present anaemia management in the traditional outpatient setting. 3. To monitor Hb targets and clinical endpoints of study groups to model a larger multicentre study focusing on these endpoints.

CKD Stages 3 to 5 Subjects will be randomised and stratified according to Age, Gender, CKD Stage, Known Cardiovascular Disease, Diabetes and ESA Type into EMAN vs. Control Details of EMAN synchronization and Dosing: Monthly dose of ESA is calculated by: Monthly dose = present dose x (28/present frequency (days)) Synchronization will be achieved by using the formula: Synchronization dose of ESA = (28-Days until next injection is due)/28 x monthly dose of ESA The dose of ESA/C.E.R.A. should be adjusted to maintain the individual patient's haemoglobin within a range of 11± 1.0 g/dL of the reference haemoglobin concentration ie. between 10.0 and 12.0 g/dL Haemoglobin Value Corrective Adjustment * A single value \>13 g/dL Interrupt treatment until Hb falls below 12 g/dL then re-start treatment at 50% of previous dose * A single value \<9 g/dL Increase dose by 50% * Difference between two consecutive Hb values indicates ≥2 g/dL increase Reduce dose by 50% * Difference between two consecutive Hb values indicates ≥2 g/dL decrease Increase dose by 50% * \>11.5 g/dL and \<13 g/dL AND deviation from reference value is \>1g/dL. Reduce dose by 25% * \<10.5 g/dL and \>9 g/dL AND deviation from reference value is \>1g/dL. Increase dose by 25% * \>12 g/dL Reduce dose by 25% * \<10 g/dL Increase dose by 25% Statistics: Audit of present practice suggests CKD patients achieve only 30% on target (Hb 10-12g/dL) while well audited dialysis units in our service can achieve 60% at target. If an improvement from 30% to 60% is expected in the EMAN verses Control arm then 100 patients (50 in each group) would be required to show a significant difference p\<0.05 with 85% power. Patients will be analysed on an intention to treat basis Primary and Secondary Endpoint data will be compared between study and control groups using unpaired student t-tests after normalisation of data as required and/or chi squared analysis. Statistical significance will be taken at p\<0.05.

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