Investigator led, prospective, observational cohort study to detect genomic features which can predict outcomes following kidney transplantation. 1. Determine non-HLA genomic mismatches between donor-recipient pairs which impact kidney allograft survival following transplantation 2. Derive polygenic risk scores on pre-transplant blood and/or kidney biopsy samples which predict kidney allograft dysfunction 3. Derive polygenic risk scores on post-transplant blood and/or kidney biopsy samples which predict kidney allograft dysfunction
Study Type
OBSERVATIONAL
Enrollment
1,000
Biomarker discovery and validation - with focus on genomic biomarkers
Death censored graft loss (DCGL)
Loss of functioning kidney transplant (not counted if patient died with functioning graft)
Time frame: At biopsy or during study follow up after biopsy (expected average over 60-months)
Biopsy proven rejection (BPAR)
Rejection diagnosed on kidney transplant biopsy
Time frame: At biopsy or during study follow up after biopsy (expected average 12-months)
All cause graft loss
DCGL or death with functioning graft
Time frame: At biopsy or during study follow up after biopsy (expected average over 60-months)
Death
Death
Time frame: Any time during or after biopsy (expected over 60-months)
Treatment resistant rejection
Persistent rejection despite additional glucocorticoids and/or upscaling of maintenance immunosuppression
Time frame: At biopsy or during study follow up after biopsy (expected average 12-months)
Hospital admission or emergency attendance
Hospital admission or emergency department visit for any reason
Time frame: At biopsy or during study follow up after biopsy (expected average 12-months)
Delayed Graft Function (DGF)
Need for dialysis within the first 7 days post transplantation
Time frame: within the first 7 days post transplantation
Kidney function
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serum creatinine and eGFR post transplantation
Time frame: Months 1, 3, 12, 24, 36, 48, 60, 120 post transplantation
Albuminuria
albumin in the urine (UACR)
Time frame: Months 1, 3, 12 any time after 12-months trnasplantation
Surrogate end-point markers
eGFR slope and iBOX scores
Time frame: Months 3, 12, 24, 36, 48 and 60, 120 post transplantation
Borderline rejeciton
Based on banff scoring criteria for kidney biospies
Time frame: At biopsy or during study follow up after biopsy (expected average 12-months)
chronic rejection; chronic transplant glomerulopathy; and interstitial fibrosis and tubular atrophy (IFTA) scores
Based on banff scoring for kidney biopsies
Time frame: At biopsy or during study follow up after biopsy (expected average over 12-months)
Recurrent disease
recurrence of original disease causing kidney failure
Time frame: At biopsy or during study follow up after biopsy (expected average 60-months)
BK virus complications
Viremia or virus associated nephropathy
Time frame: At biopsy or during study follow up after biopsy (expected average 12-months)
Major cardiovascular complications
3-point MACE: non fatal stroke, non fatal myocardial infarction, cardiovascular death
Time frame: At biopsy or during study follow up after biopsy (expected average 60-months)
Major infectious complications
any major fungal, bacterial or viral infection
Time frame: At biopsy or during study follow up after biopsy (expected average 60-months)
Malignancy post transplantation
any cancer type
Time frame: At biopsy or during study follow up after biopsy (expected average 60-months)
Kidney biopsy transcriptomic signature
Based on bulk and/or spatial transcriptomic experiments
Time frame: At biopsy - based on collected tissue sample
Kidney cell type composition
Cell type phenotyping of immune and kidney cell types
Time frame: At biopsy - based on collected tissue sample
Proteinomic signature
mass spectrometry or spatial proteinomic results
Time frame: At biopsy or during study follow up after biopsy (expected average 12-months)