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Montero N, Rodrigo E, Crespo M, Cruzado JM, Gutierrez-Dalmau A, Mazuecos A, Sancho A, Belmar L, Calatayud E, Mora P, Oliveras L, Solà E, Villanego F, Pascual J. The use of lymphocyte-depleting antibodies in specific populations of kidney transplant recipients: A systematic review and meta-analysis. Transplant Rev (Orlando) 2023; 37:100795. [PMID: 37774445 DOI: 10.1016/j.trre.2023.100795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/07/2023] [Accepted: 09/09/2023] [Indexed: 10/01/2023]
Abstract
BACKGROUND Recommendations of the use of antibody induction treatments in kidney transplant recipients (KTR) are based on moderate quality and historical studies. This systematic review aims to reevaluate, based on actual studies, the effects of different antibody preparations when used in specific KTR subgroups. METHODS We searched MEDLINE and CENTRAL and selected randomized controlled trials (RCT) and observational studies looking at different antibody preparations used as induction in KTR. Comparisons were categorized into different KTR subgroups: standard, high risk of rejection, high risk of delayed graft function (DGF), living donor, and elderly KTR. Two authors independently assessed the risk of bias. RESULTS Thirty-seven RCT and 99 observational studies were finally included. Compared to anti-interleukin-2-receptor antibodies (IL2RA), anti-thymocyte globulin (ATG) reduced the risk of acute rejection at two years in standard KTR (RR 0.74, 95%CI 0.61-0.89) and high risk of rejection KTR (RR 0.55, 95%CI 0.43-0.72), but without decreasing the risk of graft loss. We did not find significant differences comparing ATG vs. alemtuzumab or different ATG dosages in any KTR group. CONCLUSIONS Despite many studies carried out on induction treatment in KTR, their heterogeneity and short follow-up preclude definitive conclusions to determine the optimal induction therapy. Compared with IL2RA, ATG reduced rejection in standard-risk, highly sensitized, and living donor graft recipients, but not in high DGF risk or elderly recipients. More studies are needed to demonstrate beneficial effects in other KTR subgroups and overall patient and graft survival.
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Affiliation(s)
- Nuria Montero
- Nephrology Department, Hospital Universitari de Bellvitge, Barcelona, Spain; Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.
| | - Emilio Rodrigo
- Nephrology Department, Hospital Universitario Marqués de Valdecilla/IDIVAL, Santander, Spain
| | - Marta Crespo
- Nephrology Department, Hospital del Mar, Barcelona, Spain
| | - Josep M Cruzado
- Nephrology Department, Hospital Universitari de Bellvitge, Barcelona, Spain; Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Alex Gutierrez-Dalmau
- Nephrology Department, Hospital Universitario Miguel Servet, Aragon Health Research Institute, Zaragoza, Spain
| | | | - Asunción Sancho
- Nephrology Department, Hospital Universitari Dr Peset, FISABIO, Valencia, Spain
| | - Lara Belmar
- Nephrology Department, Hospital Universitario Marqués de Valdecilla/IDIVAL, Santander, Spain
| | - Emma Calatayud
- Nephrology Department, Hospital Universitari Dr Peset, FISABIO, Valencia, Spain
| | - Paula Mora
- Nephrology Department, Hospital Universitario Miguel Servet, Aragon Health Research Institute, Zaragoza, Spain
| | - Laia Oliveras
- Nephrology Department, Hospital Universitari de Bellvitge, Barcelona, Spain; Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Eulalia Solà
- Nephrology Department, Consorci Sanitari del Garraf, Hospital del Mar Medical Research Institute, Barcelona, Spain
| | | | - Julio Pascual
- Nephrology Department, Hospital Universitario 12 de Octubre, Madrid, Spain.
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de Weerd AE, van den Brand JAJG, Bouwsma H, de Vries APJ, Dooper IPMM, Sanders JSF, Christiaans MHL, van Reekum FE, van Zuilen AD, Bemelman FJ, Nurmohamed AS, van Agteren M, Betjes MGH, de Jong MFC, Baas MC. ABO-incompatible kidney transplantation in perspective of deceased donor transplantation and induction strategies: a propensity-matched analysis. Transpl Int 2021; 34:2706-2719. [PMID: 34687095 PMCID: PMC9299000 DOI: 10.1111/tri.14145] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 10/13/2021] [Accepted: 10/20/2021] [Indexed: 01/10/2023]
Abstract
Kidney transplant candidates are blood group incompatible with roughly one out of three potential living donors. We compared outcomes after ABO‐incompatible (ABOi) kidney transplantation with matched ABO‐compatible (ABOc) living and deceased donor transplantation and analyzed different induction regimens. We performed a retrospective study with propensity matching and compared patient and death‐censored graft survival after ABOi versus ABOc living donor and deceased donor kidney transplantation in a nationwide registry from 2006 till 2019. 296 ABOi were compared with 1184 center and propensity‐matched ABOc living donor and 1184 deceased donor recipients (matching: recipient age, sex, blood group, and PRA). Patient survival was better compared with deceased donor [hazard ratio (HR) for death of HR 0.69 (0.49–0.96)] and non‐significantly different from ABOc living donor recipients [HR 1.28 (0.90–1.81)]. Rate of graft failure was higher compared with ABOc living donor transplantation [HR 2.63 (1.72–4.01)]. Rejection occurred in 47% of 140 rituximab versus 22% of 50 rituximab/basiliximab, and 4% of 92 alemtuzumab‐treated recipients (P < 0.001). ABOi kidney transplantation is superior to deceased donor transplantation. Rejection rate and graft failure are higher compared with matched ABOc living donor transplantation, underscoring the need for further studies into risk stratification and induction therapy [NTR7587, www.trialregister.nl].
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Affiliation(s)
- Annelies E de Weerd
- Department of Internal Medicine, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Jan A J G van den Brand
- Department of Nephrology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Hanneke Bouwsma
- Department of Nephrology and Leiden Transplant Center, LUMC Leiden University Medical Center, Leiden, The Netherlands
| | - Aiko P J de Vries
- Department of Nephrology and Leiden Transplant Center, LUMC Leiden University Medical Center, Leiden, The Netherlands
| | - Ine Ph M M Dooper
- Department of Nephrology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jan-Stephan F Sanders
- Department of Nephrology, University Medical Center Groningen, Groningen, The Netherlands
| | | | - Franka E van Reekum
- Department of Nephrology, Utrecht University Medical Center, Utrecht, The Netherlands
| | - Arjan D van Zuilen
- Department of Nephrology, Utrecht University Medical Center, Utrecht, The Netherlands
| | - Frederike J Bemelman
- Department of Nephrology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Azam S Nurmohamed
- Department of Nephrology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Madelon van Agteren
- Department of Internal Medicine, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Michiel G H Betjes
- Department of Internal Medicine, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Margriet F C de Jong
- Department of Nephrology, University Medical Center Groningen, Groningen, The Netherlands
| | - Marije C Baas
- Department of Nephrology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
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Cen M, Wang R, Kong W, Deng H, Lei W, Chen J. ABO-incompatible living kidney transplantation. Clin Transplant 2020; 34:e14050. [PMID: 32713064 DOI: 10.1111/ctr.14050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 07/15/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022]
Abstract
ABO-incompatible living kidney transplantation is nowadays a routine procedure to expand living donor pool. The past decades have seen the evolution of desensitization protocol and immunosuppression regimen. Despite increased bleeding events, infectious complications, and rejection episodes reported in some studies, favorable graft and patient survival rate are now achieved, regardless of various protocols among transplant centers. Several issues such as the usage of rituximab and standardization of blood group antibody titration remain to be settled. The deposition of C4d is no longer the histopathologic hallmark of antibody-mediated rejection, which have inspired innovative strategies of peripheral molecular screening and the improvement of histological diagnosis of AMR (antibody-mediated rejection). The better understanding of the underlying mechanism might facilitate the distinction and therapeutic schemes of AMR.
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Affiliation(s)
- Menger Cen
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Rending Wang
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Weiwei Kong
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Hao Deng
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Wenhua Lei
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jianghua Chen
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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Abstract
PURPOSE OF REVIEW Due to a substantial lack of kidney donor organs and an increasing number of sensitized recipients, a growing number of kidney transplantations has to be performed across human leukocyte antigen (HLA) and ABO barriers. These transplantations carry an inherent risk of antibody-mediated rejection (AMR) with subsequently impaired graft and patient survival. This review focuses on new developments in desensitization strategies and dedicated programs for sensitized allograft recipients. RECENT FINDINGS Whereas ABO-incompatible kidney transplantation using rituximab-based desensitization achieves long-term survival rates comparable with ABO-compatible kidney transplantation, HLA-incompatible living kidney transplantation shows no definite survival advantage as compared with staying on the waiting list for an HLA-compatible organ. To overcome HLA-incompatibilities dedicated programs for highly sensitized recipients (such as the Eurotransplant Acceptable Mismatch program) have been established. For optimal graft outcome, these programs should be based on proven acceptable mismatches and not just on avoiding unacceptable antigens. Novel desensitizing agents (e.g. complement inhibitors) that specifically inhibit the molecular pathways of AMR have shown promising results in HLA-incompatible kidney transplantation in smaller studies. SUMMARY Despite ever more challenging conditions, kidney transplantation in highly sensitized patients can be achieved with the use of dedicated programs, well established desensitizing agents and new drugs that specifically inhibit the molecular processes of AMR.
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