The ATDC-PICI study is a Phase Ib, single-arm, prospective, non-randomized, multicentric trial, to evaluate the safety of ATDC cell product as adjunctive therapy to standard of care (SOC) in highly sensitized kidney transplant recipients.
The study population is sensitized kidney transplant candidates (cPRA ≥ 90%) between 18 and 65 years. An algorithm has been designed to rank highly sensitized patients on the waiting list for kidney transplantation according to their likelihood of obtaining a suitable donor within the upcoming 12 months. The algorithm was designed based on an analysis of an immunologically matched historical cohort using data from the OCATT registry. Patients will be selected in accordance with the algorithm and proposed for inclusion in the study in a sequential manner until the required number of patients has been reached (n=30). Given the unpredictability and reduced likelihood of obtaining a compatible deceased kidney donor within an acceptable time frame for this study, the total number of patients to be included will be 2x superior to those who will receive treatment with ATDC (n=15). * 30 highly sensitized patients will be pre-included in the study. * The first 15 highly sensitized patients that obtain a compatible deceased kidney donor will be included in the study.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
30
• Autologous Tolerogenic Dendritic Cells (D+1 to D+3 post-transplantation), ATDC, 1 million ATDC/Kg over a period of 30 minutes (up to 1 hour) will administer between Day 1 and Day 3 after transplantation.
Hospital Germans Trias i Pujol
Badalona, Barcelona, Spain
Hospital del Mar
Barcelona, Barcelona, Spain
Fundació Puigvert
Barcelona, Barcelona, Spain
Hospital Vall d'Hebron
Barcelona, Barcelona, Spain
Side effects of ATDC cell product in highly sensitized patients who received a kidney from a deceased donor.
Proportion of patients with toxicity/side effects during and after administration.
Time frame: at day 1 and day 3
Rate of infectious disease that required hospitalization at 6 and 12 months.
Proportion of patients with severe or serious infections at 6 months and 12 months.
Time frame: at 6 months and 12 months.
To evaluate incidence of biopsy proven acute rejection episodes in patients treated with ATDC as adjunctive therapy to SOC
Incidence of BPAR at 3 and 12months after transplantation.
Time frame: at 3 and 12months after transplantation.
To evaluate renal function up to 1 year after transplantation
Renal function at 3, 6 and 12 months after transplantation as assessed by estimated glomerular filtration rate (eGFR)
Time frame: at 3, 6 and 12 months after transplantation
To evaluate renal function up to 1 year after transplantation
Renal function at 3, 6 and 12 months after transplantation as assessed by serum/plasma creatinine levels
Time frame: at 3, 6 and 12 months after transplantation
To evaluate patient survival
Patient survival at 12 months after transplantation
Time frame: at 12 months after transplantation
To evaluate graft survival
Graft survival at 12 months after transplantation
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Hospital Clinic Barcelona
Barcelona, Barcelona, Spain
Hospital Universitari Bellvitge
L'Hospitalet de Llobregat, Barcelona, Spain
Hospital Universitario Miguel Servet
Zaragoza, Zaragoza, Spain
Time frame: at 12 months after transplantation
To characterize the immunophenotype status.
Define the different cell subtypes in circulating cells, as well as the functionality of T and B cells using ELISpot and Fluorospot techniques
Time frame: 24 months