PMID- 36695620 OWN - NLM STAT- MEDLINE DCOM- 20230127 LR - 20230202 IS - 1600-6143 (Electronic) IS - 1600-6135 (Linking) VI - 23 IP - 1 DP - 2023 Jan TI - Improving equity in kidney transplant allocation policies through a novel genetic metric: The Matched Donor Potential. PG - 45-54 LID - S1600-6135(22)29280-6 [pii] LID - 10.1016/j.ajt.2022.08.001 [doi] AB - The demand for donors' kidneys continues to increase amid a shortage of available donors. Managing policies to thoughtfully allocate this scarce resource is a complex process. Although human leukocyte antigen (HLA) matching has been shown to prolong graft survival, its relative contribution to allocation schemes is empirically compromised owing to competing priorities. We explored using a new metric, Matched Donor Potential (MDP), to facilitate improved HLA matching while promoting equity. We interrogated all active kidney waitlist patients (N = 164 427), their corresponding unacceptable antigen files, and all effective donors in the Scientific Registry of Transplant Recipients (January 1, 2016-December 31, 2017). Cause-specific hazard functions were evaluated to assess the potential impact of the MDP metric on deceased donor transplant access rates for all candidates. Access was affected by ethnicity, blood group type, and calculated Panel Reactive Antibody (cPRA). Importantly, we show that access to transplantation is influenced by the patient's own HLA makeup regardless of their ethnicity and by the HLA makeup of effective donors. The MDP metric demonstrates a high association with access to transplantation. Adjusting Cox models to include this new metric resulted in improved access to kidney transplantation for waitlist candidates of minority heritage while significantly promoting HLA matching. Thus, the MDP metric accounts for balanced, equitable organ allocation algorithms. CI - Copyright (c) 2022 The Author(s). Published by Elsevier Inc. All rights reserved. FAU - Tambur, Anat R AU - Tambur AR AD - Comprehensive Transplant Center, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA. Electronic address: a-tambur@northwestern.edu. FAU - Audry, Benoit AU - Audry B AD - Agence de la Biomedecine, Paris, France. FAU - Glotz, Denis AU - Glotz D AD - Department of Nephrology and Transplantation, Hopital Saint-Louis, Paris, France. FAU - Jacquelinet, Christian AU - Jacquelinet C AD - Agence de la Biomedecine, Paris, France. LA - eng PT - Journal Article DEP - 20230111 PL - United States TA - Am J Transplant JT - American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons JID - 100968638 RN - 0 (HLA Antigens) SB - IM MH - Humans MH - *Kidney Transplantation/methods MH - *Tissue and Organ Procurement MH - Tissue Donors MH - Kidney MH - HLA Antigens MH - Graft Survival MH - Histocompatibility Testing/methods OTO - NOTNLM OT - Scientific Registry for Transplant Recipients (SRTR) OT - clinical research/practice OT - deceased donor transplantation OT - histocompatibility OT - kidney transplantation/nephrology OT - major histocompatibility complex (MHC) OT - organ allocation OT - registry/registry analysis OT - waitlist management EDAT- 2023/01/26 06:00 MHDA- 2023/01/28 06:00 CRDT- 2023/01/25 09:12 PHST- 2022/03/29 00:00 [received] PHST- 2022/07/12 00:00 [revised] PHST- 2022/08/21 00:00 [accepted] PHST- 2023/01/25 09:12 [entrez] PHST- 2023/01/26 06:00 [pubmed] PHST- 2023/01/28 06:00 [medline] AID - S1600-6135(22)29280-6 [pii] AID - 10.1016/j.ajt.2022.08.001 [doi] PST - ppublish SO - Am J Transplant. 2023 Jan;23(1):45-54. doi: 10.1016/j.ajt.2022.08.001. Epub 2023 Jan 11.