Methods |
Design: parallel RCT; 2:1 randomisation
Study duration: June 2005 ‐ June 2006: study recruitment stopped after about 12 months by data monitoring committee because of a high rate of acute rejection
Duration of follow‐up: 206 patients completed 6 months follow‐up. Originally planned for 2‐year follow‐up
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Participants |
Setting: multicentre transplant services
Countries: USA, Spain, Australia, Canada, Turkey, Hungary, South Africa, Italy, Greece, Argentina, Chile, UK, Sweden
De novo kidney transplant recipients aged > 13 years; DD, LD (non HLA identical); WBC ≥ 4000 mm3; platelets ≥ 100,000 mm3; cholesterol ≤ 300 mg/dL, triglycerides ≤ 350 mg/dL
Number (group 1/group 2): ITT population (randomised and received transplant) 475 (314/161); safety population 471 (received at least one dose of medication)
Mean age ± SD (years): group 1 (42.9 ± 14.2); group 2 (42.7 ± 11.8)
Sex (M/F): group 1 (218/96); group 2 (116/45)
Exclusions: donor organ with cold ischaemic time > 30 hours or those from non‐heart beating donors
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Interventions |
Treatment group 1
SRL: 10 to 15 mg within 48 hours of transplant then 4 to 8 mg/d for levels ≥ 10 ng/mL; doses for levels to week 13, 10 to 15 ng/mL; weeks 14 to 26, 8 to 12 ng/mL; weeks 27 to 104, 5 to 12 ng/mL
After 6 months (Amendment 2), SRL loading dose of 15 mg x 2 & 10 mg daily until whole‐blood SRL trough levels were 10.0 ng/mL or more; to week 26, 10 to 15 ng/mL; weeks 27 to 104, 8 to 15 ng/mL
Treatment group 2
CSA 6 to 8 mg/kg/dose; adjusted for levels to week 13, 150 to 300 ng/mL; weeks 14 to 26, 50 to 200 ng/mL; weeks 27 to 104, 50 to 150 ng/mL
Co interventions
|
Outcomes |
Graft survival
Patient survival
BPAR
GFR
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Notes |
|
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Random sequence generation (selection bias) |
Low risk |
Patients were randomly assigned (2:1) by a computerized randomisation/enrolment system |
Allocation concealment (selection bias) |
Low risk |
Patients were randomly assigned (2:1) by a computerized randomisation/enrolment system |
Blinding of participants and personnel (performance bias)
All outcomes |
Unclear risk |
Open‐label study |
Blinding of outcome assessment (detection bias)
All outcomes |
Low risk |
Primary outcomes were BPAR and GFR; unlikely to be influenced by lack of blinding |
Incomplete outcome data (attrition bias)
All outcomes |
High risk |
Study terminated prematurely because of increased risk of rejection in SRL group |
Selective reporting (reporting bias) |
Low risk |
Expected outcomes reported |
Other bias |
High risk |
Sponsored by Wyeth. Authors were employees/received funding from drug companies |