New Insights into Kidney Transplantation

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Nephrology & Urology".

Deadline for manuscript submissions: 23 January 2025 | Viewed by 924

Special Issue Editor


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Guest Editor
Department of Medicine, Division of Nephrology, Mayo Clinic Arizona, Phoenix, AZ, USA
Interests: rejection; kidney transplant; outcomes

Special Issue Information

Dear Colleagues,

In this Special Issue, we present a collection of articles exploring the forefront of kidney transplantation. This Special Issue discusses the latest advancements in immunosuppressive therapies, including new drug developments and strategies to enhance patient outcomes and long-term management. We examine the breakthroughs in genomics and biomarkers that are transforming the early detection and personalized treatment of transplant rejection. The Special Issue will extend to the application of artificial intelligence and machine learning in kidney transplantation, highlighting their role in optimizing post-transplant care. Furthermore, this Special Issue covers innovative surgical techniques such as optimization of ogran utilization and preservation and minimally invasive and robotic-assisted procedures that are advancing recovery and reducing complications. Collectively, these articles offer a comprehensive overview of the pioneering efforts in kidney transplant care. They provide valuable perspectives for healthcare professionals and researchers dedicated to improving patient outcomes and addressing the critical challenges of organ shortages.

Dr. Sami Alasfar
Guest Editor

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Keywords

  • rejection
  • organ optimization
  • transplantation
  • immunosuppressants
  • biomarkers
  • AI
  • innovation

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Published Papers (1 paper)

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Research

18 pages, 1592 KiB  
Article
Peritubular and Tubulointerstitial Inflammation as Predictors of Impaired Viral Clearance in Polyomavirus Nephropathy
by Haris Omić, Michael Eder, Tarek A. Schrag, Nicolas Kozakowski, Johannes Kläger, Gregor Bond and Željko Kikić
J. Clin. Med. 2024, 13(19), 5714; https://doi.org/10.3390/jcm13195714 - 25 Sep 2024
Viewed by 584
Abstract
Introduction: Polyomavirus-associated nephropathy (BKPyVAN) is a common complication in kidney transplant recipients. The histological changes in the context of BKPyVAN and their association with the viral load and outcomes are still being investigated. Methods: This retrospective study involved 100 adult patients transplanted between [...] Read more.
Introduction: Polyomavirus-associated nephropathy (BKPyVAN) is a common complication in kidney transplant recipients. The histological changes in the context of BKPyVAN and their association with the viral load and outcomes are still being investigated. Methods: This retrospective study involved 100 adult patients transplanted between 2000 and 2021, with available archived biopsy slides, aiming to analyze associations between viral load clearance in the blood (reduction in BKPyVAN-DNAemia below detection level) and histological features in biopsy-proven BKPyVAN. A kidney pathologist blinded to the clinical data reassessed the BANFF 2019 lesion scores in the BKPyVAN index biopsy. The primary endpoint was viral clearance three months after the diagnosis. Results: The presence of tubulointerstitial inflammation, peritubular capillaritis, and higher PVN Class at the diagnosis was linked to a reduced likelihood of viral clearance three months later (interstitial inflammation OR = 0.2, 95% CI [0.07–0.55], tubulitis OR = 0.39, 95% CI [0.21–0.73], peritubular capillaritis OR = 0.25, 95% CI [0.08–0.82], PVN Score OR = 0.1, 95% CI [0.03–0.4]), independently of other covariates. Combining the four lesions using the ROC analysis enhanced their capability to predict persistent BK viremia after 3 months with an AUC of 0.94. Conclusions: The presence of interstitial inflammation, tubulitis, and peritubular capillaritis, as well as the higher PVN Score, was associated with an up to 90% lower likelihood of viral load clearance three months post-diagnosis. These findings underscore the importance of histological evaluation as a surrogate of subsequent viral clearance and offer valuable insights for the management of BKPyVAN. Full article
(This article belongs to the Special Issue New Insights into Kidney Transplantation)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Immunosuppression in Kidney Transplant Recipients: Current Status and Future Directions
Authors: Muhammad A. Khan; Bassam G. Abu Jawdeh
Affiliation: Mayo Clinic Arizona, Division of Nephrology and Hypertension
Abstract: Kidney transplantation is the gold standard treatment for patients with end-stage kidney disease. Despite the ongoing gap between organ availability and demand, it is inevitable that kidney transplantation will continue to grow. This is owed to broader organ sharing, increased comfort of transplant programs with marginal kidney utilization and the expansion of paired exchange among living donor kidneys. The evolution of kidney transplantation could not have been possible without the availability of effective immunosuppressive regimens that maintain graft function. Mycophenolate and calcineurin inhibitors continue to constitute the backbone of modern maintenance immunosuppression. Despite remarkably improving acute rejection rates, long-term outcomes with these regimens remain suboptimal. Alternative immunosuppressives such as belatacept and mammalian _target of rapamycin inhibitors have been promising, however their wider-scale adoption as first line therapies remains delayed due to concerns about increased rejection rates. In addition to continuing the investigation of steroid and calcineurin inhibitor sparing protocols, it is prudent to identify practical, measurable surrogates to long-term graft survival. Herein, we review current immunosuppressive regimens, discuss challenges and future directions. Highlights: 1-Mycophenolate and calcineurin inhibitors continue to constitute the backbone of modern maintenance immunosuppression in kidney transplantation. 2-Belatacept, a novel immunosuppressive biologic has a favorable safety profile, however, its wider adoption has been impeded by concerns about early rejection. 3-Efforts should continue to identify effective immunosuppressive regimens with a favorable adverse event profile.

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