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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05318196
Other study ID # RC31/21/0154
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date September 5, 2022
Est. completion date September 1, 2032

Study information

Verified date March 2024
Source University Hospital, Toulouse
Contact Stanislas Faguer, MD, PhD
Phone 561322475
Email faguer.s@chu-toulouse.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Managing patients with renal failure requires an understanding of the molecular mechanisms that lead to its occurrence (i.e. upstream of the disease), its worsening and its persistence (i.e. downstream), while also specifying the risk of worsening renal failure (risk stratification, intolerance to the treatment or complications (infectious, metabolic, cardiovascular, cancer…). Nephrogene 2.0 aims to study these different components of kidney, immune and solid organ transplantation (SOT)-related diseases.


Description:

Acute renal failure (ARF) and chronic kidney disease (CKD) are frequent pathologies (850 million people are affected worldwide). Renal failure is associated with an increased morbidity and mortality, including an increased risk of infections, drug toxicity and cardiovascular death. The causes of renal failure are numerous: metabolic (diabetes, hypertension), immunological (autoimmune diseases, monoclonal gammopathies), toxic (environment, drugs), genetic, infectious, ischemic, paraneoplastic... Any episode of ARF is also accompanied by a risk of secondary CKD (relative risk multiplied by 9). The mechanisms leading to renal failure are multiple and combine predisposing genetic factors, inadequate intra-renal or systemic immune response, endothelial and epithelial dysfunctions, and potentially inappropriate regenerative capacity. In addition, renal failure or its treatment itself may be accompanied by additional renal lesions (e.g. nephrotoxicity of calcineurin inhibitors used as anti-rejection treatment in transplantation, hemodynamic intolerance with secondary ARF during hemodialysis sessions, iatrogenic ARF when using diuretics or inhibitors of the renin angiotensin system) or extra-renal complications (e.g. immunosuppression and infections induced by immunomodulatory therapies during autoimmune diseases or for prevention of transplant rejection; vascular diseases secondary to phosphocalcic disorders). Patients included in the NEPHROGENE 2.0 cohort will be followed during 10 years and clinical data and biological samples will be collected at the inclusion in the cohort, at each monitoring programmed in their usual care and and at each event (infection, acute kidney injury, cancer…). Samples will be collected according to the symptoms of the patients.


Recruitment information / eligibility

Status Recruiting
Enrollment 5000
Est. completion date September 1, 2032
Est. primary completion date September 1, 2027
Accepts healthy volunteers No
Gender All
Age group 18 Years to 99 Years
Eligibility Inclusion Criteria: - Patients (> 18 year of age) with kidney disease or at risk to develop a kidney disease, - Patients followed by a practitioner of the Department of Nephrology and Organ Transplantations of the University Hospital of Toulouse (France) Exclusion Criteria: - consent deny - inability of the patient or its family to give consent.

Study Design


Intervention

Biological:
Biological samples collection
SOT patients: samples will be collected at the time of the protocol follow-up visit (registration on the transplant list, on the day of the transplantation, and then at day 15, month 1-3-6-9-12 and then annually, as well as if complications or therapeutic modifications). Dialysis patients: at the start of the dialysis and then at M3, M12, and if complications or modification of the dialysis protocol. Non-dialysis or cancer patients: the sampling frequency will be individualized according to the pathology studied (acute or chronic) and the purpose of the sampling (diagnostic, mechanistic, prediction, evaluation of the therapeutic response). Samples for diagnostic and mechanistic purposes will be taken only once. Samples for prognostic purposes will be taken at regular intervals, adapted to the natural history of the disease while respecting the maximum volume of blood samples defined by the French law. Samples will be collected during a sampling performed as part of routine care.

Locations

Country Name City State
France Rangueil University Hospital Toulouse

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Toulouse

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Identification of the molecular mechanisms underlying kidney, immune and solid organ transplantation-related diseases. To identify the molecular mechanisms underlying kidney, immune and solid organ transplantation-related diseases. An unbiased multi-omic approach (including peptidomics, metabolomics, genome sequencing, and flow cytometry and transcriptomic of circulating immune cells) will be performed at the inclusion in the study and correlated to specific end-points (acute kidney injury, kidney failure progression, end-stage kidney disease, infection, cancer according to the underlying condition). Multiple measurements will be studied individually to identify genes variations, gene expression changes, urinary or plasma peptides abundance, immune cells relative abundance in the blood that correlate with the end-point. In a second step, an attempt to combine them in a single predictive signature using artificial intelligence approach. yearly and up to 10 years after inclusion in the study
Secondary Identification of the predictive factors (immunological, metabolic, genetic…) for the development or progression of renal diseases To identify the predictive factors (immunological, metabolic, genetic…) for the development or progression of renal diseases: end-points will be end-stage kidney disease, or a decrease of the estimated glomerular filtration rate (eGFR) > 50% up to 10 years after inclusion in the study
Secondary Identification of the molecular mechanisms (immunological, genetic…) driving complications of kidney, immune and SOT-related diseases To identify the molecular mechanisms (immunological, genetic…) driving complications of kidney, immune and SOT-related diseases: end-points will the development of bacterial, viral (CytoMégaloVirus, Herpes simplex virus, varicella-zoster virus, BK virus…) or fungal (candidiasis, aspergillosis…) infections, as well as cardiovascular events or other complications up to 10 years after inclusion in the study
Secondary To specify the individual risk of complications secondary to SOT or its treatment To specify the individual risk of renal and immunological complications secondary to cancer or hematological malignancies, or their treatments: end points will be the development of acute kidney injury, end-stage kidney disease or >50% reduction of the eGFR up to 10 years after inclusion in the study
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