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| Name | Class |
|---|---|
| Northwestern University | OTHER |
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This is a single-center, prospective, non-randomized, observational study to evaluate specific proteogenomic biomarker panels for acute rejection (AR) and chronic allograft nephropathy/interstitial fibrosis and tubular atrophy (CAN/IFTA) in blood, urine and kidney tissue (biopsy) in kidney transplant recipients. Proteogenomic profiles will be routinely monitored over one year after enrollment.
OBJECTIVE: The objective of this phase of the study is to allow the clinical site to gain familiarity with patient recruitment, sample and data collection, and interpretation of the proteogenomic biomarker report provided, through retrospective analysis. This phase of the study will provide a platform for the transplant physicians to gain confidence with the format, logistics, and potential use of the biomarker tests on blood and tissue.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Phase 1 | A. OBJECTIVE: The objective of this phase of the study is to allow the clinical site to gain familiarity with patient recruitment, sample and data collection, and interpretation of the proteogenomic biomarker report provided, through retrospective analysis. This phase of the study will provide a platform for the transplant physicians to gain confidence with the format, logistics, and potential use of the biomarker tests on blood and tissue. B. STUDY DESIGN: Enroll 20 subjects who are post-transplant and are undergoing kidney transplant biopsies at the UC Davis transplant center. Ten subjects will be enrolled who are receiving surveillance "protocol biopsies" and 10 subjects. |
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| Measure | Description | Time Frame |
|---|---|---|
| Biopsy prove acute rejection | Incidence of acute rejection at the time of any kidney biopsy | 12 months |
| Measure | Description | Time Frame |
|---|---|---|
| Gene Expression Profiling | Blood and tissue collection from each subject at the time of each for cause or protocol kidney biopsy | 12 months |
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Inclusion Criteria: Patients who meet all of the following criteria are eligible for enrollment as study participants:
Exclusion Criteria:
Need for combined organ transplantation with an extra-renal organ and/or islet cell transplant.
Recipients of previous non-renal solid organ and/or islet cell transplantation
Infection with HIV.
Inability or unwillingness of a participant and/or guardian to provide informed consent
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post-transplant and are undergoing kidney transplant biopsies at the UC Davis transplant center. Ten subjects will be enrolled who are receiving surveillance "protocol biopsies" and 10 subjects who will be receiving "for cause" biopsies in the setting of an elevated serum creatinine or proteinuria. Samples of blood, and formalin-fixed, paraffin-embedded biopsy tissue will be sent to Transplant Genomics INC. (TGI) for study purposes. In addition, clinical data will be collected on each subject.. Blood and tissue will be analyzed by TGI using Affymetrix microarrays, and reports will be sent to UC Davis retrospectively. Samples may be batch-shipped and results will not be reported in real time. These results will be compared to both the histological diagnosis, and to the clinical course.
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| Name | Affiliation | Role |
|---|---|---|
| Angelo DeMattos, MD | University of California, Davis Health Systems | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of California, Davis Transplant Center | Sacramento | California | 95817 | United States |
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| ID | Term |
|---|---|
| D051799 | Delayed Graft Function |
| D011507 | Proteinuria |
| ID | Term |
|---|---|
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D014555 | Urination Disorders |
| D014570 | Urologic Diseases |
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Laboratory evaluations: The UC Davis laboratory will be used for clinical chemistry, and hematology, as well as other outside laboratories that the participants may go to
| D052776 | Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D052801 | Male Urogenital Diseases |
| D020924 | Urological Manifestations |
| D012816 | Signs and Symptoms |