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In this study investigators will investigate whether early treatment of allograft rejection, as detected by urine CXCL10-monitoring, improves outcomes in renal allograft recipients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention | Experimental | Urine CXCL10-chemokine levels will be monitored at specific time points post-transplant. Sustained elevated levels will trigger performance of a renal allograft biopsy. Any rejection will be treated. Rejection treatment according to clinical standard-of-care |
|
| Control | No Intervention | Urine CXCL10-chemokine levels will be monitored at specific time points post-transplant, but the values are concealed. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Rejection treatment according to clinical standard-of-care | Drug | Standard-of-care treatment is based on the severity and phenotype of biopsy-proven rejection |
|
| Measure | Description | Time Frame |
|---|---|---|
| Graft loss not due to death of the patient | 1-year composite outcome consisting of at least one of the primary outcomes 1 to 4 | First year post-transplant |
| Biopsy-proven clinical acute rejection | 1-year composite outcome consisting of at least one of the primary outcomes 1 to 4 | 4-weeks up to 1-year post-transplant |
| Subclinical T-cell mediated rejection in 1-year surveillance biopsy defined by t>0 and/or v>0 | 1-year composite outcome consisting of at least one of the primary outcomes 1 to 4 | First year post-transplant |
| Interstitial fibrosis / tubular atrophy with inflammation (IFTA+i defined by the Mayo Clinic criteria) in 1-year surveillance biopsy | 1-year composite outcome consisting of at least one of the primary outcomes 1 to 4 | First year post-transplant |
| Measure | Description | Time Frame |
|---|---|---|
| Efficacy assessed by microvascular inflammation at 1-year (ptc, g, c4d, cg) | Microvascular inflammation at 1-year (ptc, g, c4d, cg) | First year post-transplant |
| Efficacy assessed by development of IFTA from implantation to 1-year (∆ ci, ct, cv) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Stefan Schaub, MD, MSc | University Hospital, Basel, Switzerland | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Basel, Transplantation Immunology & Nephrology | Basel | 4031 | Switzerland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37228005 | Derived | Hirt-Minkowski P, Handschin J, Stampf S, Hopfer H, Menter T, Senn L, Honger G, Wehmeier C, Amico P, Steiger J, Koller M, Dickenmann M, Schaub S. Randomized Trial to Assess the Clinical Utility of Renal Allograft Monitoring by Urine CXCL10 Chemokine. J Am Soc Nephrol. 2023 Aug 1;34(8):1456-1469. doi: 10.1681/ASN.0000000000000160. Epub 2023 May 25. |
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Development of IFTA from implantation to 1-year (∆ ci, ct, cv)
| First year post-transplant |
| Efficacy assessed by number of days from transplantation to biopsy-proven clinical acute rejection | number of days from transplantation to biopsy-proven clinical acute rejection | First year post-transplant |
| Efficacy assessed by Proteinuria >500mg/day at 6- and 12-months post-transplant | Proteinuria >500mg/day at 6- and 12-months post-transplant | First year post-transplant |
| Safety assessed by total number of biopsies, indication for biopsy and CXCL10-triggered biopsies within the first year post-transplant | total number of biopsies, indication for biopsy and CXCL10-triggered biopsies within the first year post-transplant | First year post-transplant |
| Safety assessed by biopsy-related complications within the first year post-transplant | biopsy-related complications within the first year post-transplant biopsy-related complications within the first year post-transplant | First year post-transplant |
| Safety assessed by immunosuppression-related complications as infections and cancer within the first year post-transplant | immunosuppression-related complications as infections and cancer within the first year post-transplant | First year post-transplant |
| Graft and its cause | Long-term outcome Graft and its cause | yearly up to 10 years |
| Death and its cause | Long-term outcome Death and its cause | yearly up to 10 years |
| Allograft function measured by creatinine and eGFR | Long-term outcome Allograft function measured by creatinine and epidermal growth factor receptor (eGFR) | yearly up to 10 years |
| Proteinuria | Long-term outcome Proteinuria | yearly up to 10 years |
| Biopsy-proven rejection | Long-term outcome Biopsy-proven rejection | yearly up to 10 years |