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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05112770
Other study ID # APHP210907
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date August 2024
Est. completion date August 2027

Study information

Verified date April 2024
Source Assistance Publique - Hôpitaux de Paris
Contact Dani Anglicheau, MD, PhD
Phone 1 44 49 54 41
Email dany.anglicheau@aphp.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Kidney transplantation is the treatment of choice for patients with end stage renal disease. One of the major challenges is to better diagnose the attacks undergone by the kidney transplant in order to increase its longevity. Multiple attacks are caused by non-immune and immune mechanisms, first and foremost the acute rejection of the transplant. Biopsy, an invasive method, remains the "Gold Standard" for diagnosing rejection and other pathologies affecting the kidney transplant. The invasive nature of these biopsies limits their use and alternative biomarkers have been evaluated in order to diagnose kidney transplant pathologies in a non-invasive manner. It is in this context that the nephrology and renal transplantation department of the Necker hospital and Inserm U1151 have carried out several studies leading to the identification of the diagnostic and prognostic potential of acute rejection, by the determination of urinary concentrations of two chemokines, CXCL9 and CXCL10. The most recent study conducted within these teams demonstrated that the diagnostic potential of urinary chemokines could be improved by taking into account standard clinicobiological parameters in multiparametric models. The main objective of the study is to develop, train and validate artificial intelligence models including urinary chemokines, efficient, robust, explainable and interpretable for the diagnosis and non-invasive prognosis of acute renal transplant rejection, trained on a data set made up of clinical and biological parameters.


Description:

Kidney transplantation is the treatment of choice for patients with end stage renal disease. One of the major challenges is to better diagnose the attacks undergone by the kidney transplant in order to increase its longevity. Multiple attacks are caused by non-immune and immune mechanisms, first and foremost the acute rejection of the transplant. Biopsy, an invasive method, remains the "Gold Standard" for diagnosing rejection and other pathologies affecting the kidney transplant. The invasive nature of these biopsies limits their use and alternative biomarkers have been evaluated in order to diagnose kidney transplant pathologies in a non-invasive manner. It is in this context that the nephrology and renal transplantation department of the Necker hospital and Inserm U1151 have carried out several studies leading to the identification of the diagnostic and prognostic potential of acute rejection, by the determination of urinary concentrations of two chemokines, CXCL9 and CXCL10. The most recent study conducted within these teams demonstrated that the diagnostic potential of urinary chemokines could be improved by taking into account standard clinicobiological parameters in multiparametric models. The main objective of the study is to develop, train and validate artificial intelligence models including urinary chemokines, efficient, robust, explainable and interpretable for the diagnosis and non-invasive prognosis of acute renal transplant rejection, trained on a data set made up of clinical and biological parameters. For this, all the clinical parameters (demographic, medical history, characteristics of donors, immunosuppressive treatments, etc.) and biological (follow up of the usual biological parameters obtained as part of the routine care of transplant patients, urinary chemokines) of transplant patients followed in the nephrology and renal transplantation department of Necker hospital between 2004 and 2020, will be treated without a priori and by artificial intelligence methods.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 1500
Est. completion date August 2027
Est. primary completion date August 2027
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - All renal transplant patients whose medical follow-up is provided by the nephrology and adult renal transplantation department of the Necker hospital between 2004 and 12/31/2020; - Patient having signed a consent form for the storage, use and transfer of samples taken during treatment, for scientific research purposes; - Patient not objecting to the processing of his personal data as part of the study. Exclusion Criteria: - A deceased patient who, during his lifetime, objected in writing to the processing of his data for research purposes.

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
France Hôpital Necker-Enfants Malades Paris

Sponsors (1)

Lead Sponsor Collaborator
Assistance Publique - Hôpitaux de Paris

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Diagnostic model accuracy ROC (receiver operating characteristic) curves AUC (Area under the Curve) 3 years
Primary Prognostic model accuracy C-statistics 3 years
Secondary Strenght of the models Sensitivity analyses comparing the AUC values and the calibration of the models in various clinical scenarios. 3 years
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