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Rodríguez-Espinosa D, Broseta JJ, Montagud-Marrahí E, Arana C, Ferrer J, Cuatrecasas M, Garcia-Criado Á, Amor AJ, Diekmann F, Ventura-Aguiar P. Tacrolimus's Time Below Therapeutic Range Is Associated With Acute Pancreatic Graft Rejection and the Development of De Novo Donor-specific Antibodies. Transpl Int 2024; 37:12591. [PMID: 38694489 PMCID: PMC11062183 DOI: 10.3389/ti.2024.12591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 03/11/2024] [Indexed: 05/04/2024]
Abstract
Tacrolimus is pivotal in pancreas transplants but poses challenges in maintaining optimal levels due to recipient differences. This study aimed to explore the utility of time spent below the therapeutic range and intrapatient variability in predicting rejection and de novo donor-specific antibody (dnDSA) development in pancreas graft recipients. This retrospective unicentric study included adult pancreas transplant recipients between January 2006 and July 2020. Recorded variables included demographics, immunosuppression details, HLA matching, biopsy results, dnDSA development, and clinical parameters. Statistical analysis included ROC curves, sensitivity, specificity, and predictive values. A total of 131 patients were included. Those with biopsy-proven acute rejection (BPAR, 12.2%) had more time (39.9% ± 24% vs. 25.72% ± 21.57%, p = 0.016) and tests (41.95% ± 13.57% vs. 29.96% ± 17.33%, p = 0.009) below therapeutic range. Specific cutoffs of 31.5% for time and 34% for tests below the therapeutic range showed a high negative predictive value for BPAR (93.98% and 93.1%, respectively). Similarly, patients with more than 34% of tests below the therapeutic range were associated with dnDSA appearance (38.9% vs. 9.4%, p = 0.012; OR 6.135, 1.346-27.78). In pancreas transplantation, maintaining optimal tacrolimus levels is crucial. Suboptimal test percentages below the therapeutic range prove valuable in identifying acute graft rejection risk.
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Affiliation(s)
- Diana Rodríguez-Espinosa
- Department of Nephrology and Renal Transplantation, Hospital Clínic de Barcelona, Barcelona, Spain
- Laboratori Experimental de Nefrologia I Trasplantament (LENIT), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - José Jesús Broseta
- Department of Nephrology and Renal Transplantation, Hospital Clínic de Barcelona, Barcelona, Spain
- Laboratori Experimental de Nefrologia I Trasplantament (LENIT), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Enrique Montagud-Marrahí
- Department of Nephrology and Renal Transplantation, Hospital Clínic de Barcelona, Barcelona, Spain
- Laboratori Experimental de Nefrologia I Trasplantament (LENIT), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Carolt Arana
- Department of Nephrology and Renal Transplantation, Hospital Clínic de Barcelona, Barcelona, Spain
- Laboratori Experimental de Nefrologia I Trasplantament (LENIT), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Joana Ferrer
- Department of Hepatobiliopancreatic Surgery and Liver Transplant, Hospital Clínic, Barcelona, Spain
| | | | | | - Antonio J. Amor
- Diabetes Unit, Department of Endocrinology and Nutrition, Hospital Clínic Barcelona, Barcelona, Spain
| | - Fritz Diekmann
- Department of Nephrology and Renal Transplantation, Hospital Clínic de Barcelona, Barcelona, Spain
- Laboratori Experimental de Nefrologia I Trasplantament (LENIT), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Pedro Ventura-Aguiar
- Department of Nephrology and Renal Transplantation, Hospital Clínic de Barcelona, Barcelona, Spain
- Laboratori Experimental de Nefrologia I Trasplantament (LENIT), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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2
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Lum EL, Towns A, Basuli D, Pham PT, Sarkar M, Bunnapradist S. Reduction in Maintenance Immunosuppression in Kidney Transplant Recipients With Stable Donor-Derived Cell-Free DNA Measurements: A Case Series. Transplant Proc 2023; 55:93-97. [PMID: 36586738 DOI: 10.1016/j.transproceed.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/07/2022] [Indexed: 12/31/2022]
Abstract
Personalization of maintenance immunosuppression in kidney transplant recipients has long remained a goal in the transplant community. The recent addition of donor-derived cell-free DNA assays to detect allograft rejection and monitor allograft health may permit for reductions in maintenance immunosuppression in recipients with stable levels. Herein, we described 5 patients with stable donor-derived cell-free DNA levels who underwent reduction in maintenance immunosuppression without precipitation of clinical rejection, proteinuria, or de novo donor specific antibody formation.
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Affiliation(s)
- Erik L Lum
- Department of Medicine, Division of Nephrology, UCLA David Geffen School of Medicine, Los Angeles, California.
| | - Arta Towns
- UCLA Ronald Regan Medical Center Los Angeles, California
| | - Debargha Basuli
- Department of Nephrology and Hypertension, East Carolina University, Greenville, North Carolina
| | - Phuong-Thu Pham
- Department of Medicine, Division of Nephrology, UCLA David Geffen School of Medicine, Los Angeles, California
| | - Mrinalini Sarkar
- Department of Medicine, Division of Nephrology, UCLA David Geffen School of Medicine, Los Angeles, California
| | - Suphamai Bunnapradist
- Department of Medicine, Division of Nephrology, UCLA David Geffen School of Medicine, Los Angeles, California
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3
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Arnol M, Naumovic R, Dimitrov EP, Racki S, Bucsa CA, Covic A, Mitic I, Vavic N, Radovanovic RMV, Zibar L, Bizilj S, Erculj V, Missoni TS, Stupica KT, Knotek M. Immunosuppressive regimens following kidney transplantation in five European countries: The observational RECORD study. TRANSPLANTATION REPORTS 2020. [DOI: 10.1016/j.tpr.2020.100061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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4
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Gauthier JM, Harrison MS, Krupnick AS, Gelman AE, Kreisel D. The emerging role of regulatory T cells following lung transplantation. Immunol Rev 2019; 292:194-208. [PMID: 31536165 DOI: 10.1111/imr.12801] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 08/27/2019] [Indexed: 12/13/2022]
Abstract
Regulatory T cells (Treg) have proven to be a powerful immunologic force in nearly every organ system and hold therapeutic potential for a wide range of diseases. Insights gained from non-transplant pathologies, such as infection, cancer, and autoimmunity, are now being translated to the field of solid organ transplantation, particularly for livers and kidneys. Recent insights from animal models of lung transplantation have established that Tregs play a vital role in suppressing rejection and facilitating tolerance of lung allografts, and such discoveries are being validated in human studies and preclinical trials. Given that long-term outcomes following lung transplantation remain profoundly limited by chronic rejection, Treg therapy holds the potential to significantly improve patient outcomes and should be aggressively investigated.
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Affiliation(s)
- Jason M Gauthier
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University, Saint Louis, MO, USA
| | - M Shea Harrison
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University, Saint Louis, MO, USA
| | - Alexander S Krupnick
- Division of Thoracic Surgery, Department of Surgery, University of Virginia, Charlottesville, VA, USA.,Carter Immunology Center, University of Virginia, Charlottesville, VA, USA
| | - Andrew E Gelman
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University, Saint Louis, MO, USA.,Department of Pathology & Immunology, Washington University, Saint Louis, MO, USA
| | - Daniel Kreisel
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University, Saint Louis, MO, USA.,Department of Pathology & Immunology, Washington University, Saint Louis, MO, USA
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5
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Nakamura T, Shirouzu T, Nakata K, Yoshimura N, Ushigome H. The Role of Major Histocompatibility Complex in Organ Transplantation- Donor Specific Anti-Major Histocompatibility Complex Antibodies Analysis Goes to the Next Stage. Int J Mol Sci 2019; 20:E4544. [PMID: 31540289 PMCID: PMC6769817 DOI: 10.3390/ijms20184544] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 09/04/2019] [Accepted: 09/11/2019] [Indexed: 02/06/2023] Open
Abstract
Organ transplantation has progressed with the comprehension of the major histocompatibility complex (MHC). It is true that the outcome of organ transplantation largely relies on how well rejection is managed. It is no exaggeration to say that to be well acquainted with MHC is a shortcut to control rejection. In human beings, MHC is generally recognized as human leukocyte antigens (HLA). Under the current circumstances, the number of alleles is still increasing, but the function is not completely understood. Their roles in organ transplantation are of vital importance, because mismatches of HLA alleles possibly evoke both cellular and antibody-mediated rejection. Even though the control of cellular rejection has improved by recent advances of immunosuppressants, there is no doubt that antibody-mediated rejection (AMR), which is strongly correlated with donor-specific anti-HLA antibodies (DSA), brings a poor outcome. Thus, to diagnose and treat AMR correctly is a clear proposition. In this review, we would like to focus on the detection of intra-graft DSA as a recent trend. Overall, here we will review the current knowledge regarding MHC, especially with intra-graft DSA, and future perspectives: HLA epitope matching; eplet risk stratification; predicted indirectly recognizable HLA epitopes etc. in the context of organ transplantation.
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Affiliation(s)
- Tsukasa Nakamura
- Department of Organ Transplantation and General Surgery, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan.
| | - Takayuki Shirouzu
- Molecular Diagnositcs Division, Wakunaga Pharmaceutical Co., Led. 4-5-36 Miyahara, Yodogawa-ku, Osaka 532-0003, Japan.
| | - Katsuya Nakata
- Molecular Diagnositcs Division, Wakunaga Pharmaceutical Co., Led. 4-5-36 Miyahara, Yodogawa-ku, Osaka 532-0003, Japan.
| | - Norio Yoshimura
- Department of Organ Transplantation and General Surgery, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan.
| | - Hidetaka Ushigome
- Department of Organ Transplantation and General Surgery, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan.
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Davis S, Gralla J, Klem P, Tong S, Wedermyer G, Freed B, Wiseman A, Cooper JE. Lower tacrolimus exposure and time in therapeutic range increase the risk of de novo donor-specific antibodies in the first year of kidney transplantation. Am J Transplant 2018; 18:907-915. [PMID: 28925597 PMCID: PMC5858995 DOI: 10.1111/ajt.14504] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 08/31/2017] [Accepted: 09/04/2017] [Indexed: 02/07/2023]
Abstract
De novo donor-specific antibodies (dnDSAs) have been associated with reduced graft survival. Tacrolimus (TAC)-based regimens are the most common among immunosuppressive approaches used in in clinical practice today, yet an optimal therapeutic dose to prevent dnDSAs has not been established. We evaluated mean TAC C0 (tacrolimus trough concentration) and TAC time in therapeutic range for the risk of dnDSAs in a cohort of 538 patients in the first year after kidney transplantation. A mean TAC C0 < 8 ng/mL was associated with dnDSAs by 6 months (odds ratio [OR] 2.51, 95% confidence interval [CI] 1.32-4.79, P = .005) and by 12 months (OR 2.32, 95% CI 1.30-4.15, P = .004), and there was a graded increase in risk with lower mean TAC C0 . TAC time in the therapeutic range of <60% was associated with dnDSAs (OR 2.05, 95% CI 1.28-3.30, P = .003) and acute rejection (hazard ratio [HR] 4.18, 95% CI 2.31-7.58, P < .001) by 12 months and death-censored graft loss by 5 years (HR 3.12, 95% CI 1.53-6.37, P = .002). TAC minimization may come at a cost of higher rates of dnDSAs, and TAC time in therapeutic range may be a valuable strategy to stratify patients at increased risk of adverse outcomes.
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Affiliation(s)
- Scott Davis
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus
| | - Jane Gralla
- Department of Pediatrics, University of Colorado Anschutz Medical Campus
| | - Patrick Klem
- Department of Pharmacy, University of Colorado Anschutz Medical Campus
| | - Suhong Tong
- Department of Pediatrics, University of Colorado Anschutz Medical Campus
| | - Gina Wedermyer
- Clinimmune Labs, University of Colorado Anschutz Medical Campus
| | - Brian Freed
- Department of Pediatrics, University of Colorado Anschutz Medical Campus
| | - Alexander Wiseman
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus
| | - James E. Cooper
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus
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Bigenzahn S, Juergens B, Mahr B, Pratschke J, Koenigsrainer A, Becker T, Fuchs D, Brandacher G, Kainz A, Muehlbacher F, Wekerle T. No augmentation of indoleamine 2,3-dioxygenase (IDO) activity through belatacept treatment in liver transplant recipients. Clin Exp Immunol 2018; 192:233-241. [PMID: 29271486 DOI: 10.1111/cei.13093] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 10/30/2017] [Accepted: 11/20/2017] [Indexed: 01/18/2023] Open
Abstract
Belatacept is a second-generation cytotoxic T lymphocyte antigen (CTLA)-4 immunoglobulin (Ig) fusion protein approved for immunosuppression in renal transplant recipients. It was designed intentionally to interrupt co-stimulation via CD28 by binding to its ligands B7·1 and B7·2. Experimental evidence suggests a potential additional mechanism for CTLA-4 Ig compounds through binding to B7 molecules expressed on antigen-presenting cells (APCs) and up-regulation of indoleamine 2,3-dioxygenase (IDO), an immunomodulating enzyme that catalyzes the degradation of tryptophan to kynurenine and that down-regulates T cell immunity. So far it remains unknown whether belatacept up-regulates IDO in transplant recipients. We therefore investigated whether belatacept therapy enhances IDO activity in liver transplant recipients enrolled in a multi-centre, investigator-initiated substudy of the Phase II trial of belatacept in liver transplantation (IM103-045). Tryptophan and kynurenine serum levels were measured during the first 6 weeks post-transplant in liver transplant patients randomized to receive either belatacept or tacrolimus-based immunosuppression. There was no significant difference in IDO activity, as indicated by the kynurenine/tryptophan ratio, between belatacept and tacrolimus-treated patients in per-protocol and in intent-to-treat analyses. Moreover, no evidence was found that belatacept affects IDO in human dendritic cells (DC) in vitro. These data provide evidence that belatacept is not associated with detectable IDO induction in the clinical transplant setting compared to tacrolimus-treated patients.
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Affiliation(s)
- S Bigenzahn
- Section of Transplantation Immunology, Department of Surgery, Medical University of Vienna, Austria
| | - B Juergens
- Division of Transplantation Immunology, Children's Cancer Research Institute, St Anna Children's Hospital, Vienna, Austria
| | - B Mahr
- Section of Transplantation Immunology, Department of Surgery, Medical University of Vienna, Austria
| | - J Pratschke
- Department of General, Visceral, and Transplantation Surgery, Charité, Berlin, Germany
| | - A Koenigsrainer
- Department of General, Visceral and Transplant Surgery, University Hospital Tuebingen, Tuebingen, Germany
| | - T Becker
- Department of General, Visceral and Transplant Surgery, Hanover Medical School, Hanover, Germany
| | - D Fuchs
- Division of Biological Chemistry, Biocentre, Innsbruck Medical University, Innsbruck, Austria
| | - G Brandacher
- Department of General and Transplant Surgery, Innsbruck Medical University, Innsbruck, Austria
| | - A Kainz
- Division of Nephrology and Dialysis, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - F Muehlbacher
- Section of Transplantation Immunology, Department of Surgery, Medical University of Vienna, Austria
| | - T Wekerle
- Section of Transplantation Immunology, Department of Surgery, Medical University of Vienna, Austria
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Practical Recommendations for Long-term Management of Modifiable Risks in Kidney and Liver Transplant Recipients: A Guidance Report and Clinical Checklist by the Consensus on Managing Modifiable Risk in Transplantation (COMMIT) Group. Transplantation 2017; 101:S1-S56. [PMID: 28328734 DOI: 10.1097/tp.0000000000001651] [Citation(s) in RCA: 197] [Impact Index Per Article: 28.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Short-term patient and graft outcomes continue to improve after kidney and liver transplantation, with 1-year survival rates over 80%; however, improving longer-term outcomes remains a challenge. Improving the function of grafts and health of recipients would not only enhance quality and length of life, but would also reduce the need for retransplantation, and thus increase the number of organs available for transplant. The clinical transplant community needs to identify and manage those patient modifiable factors, to decrease the risk of graft failure, and improve longer-term outcomes.COMMIT was formed in 2015 and is composed of 20 leading kidney and liver transplant specialists from 9 countries across Europe. The group's remit is to provide expert guidance for the long-term management of kidney and liver transplant patients, with the aim of improving outcomes by minimizing modifiable risks associated with poor graft and patient survival posttransplant.The objective of this supplement is to provide specific, practical recommendations, through the discussion of current evidence and best practice, for the management of modifiable risks in those kidney and liver transplant patients who have survived the first postoperative year. In addition, the provision of a checklist increases the clinical utility and accessibility of these recommendations, by offering a systematic and efficient way to implement screening and monitoring of modifiable risks in the clinical setting.
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Dean PG, Griffin MD. Bad Memory: CD4 T Cell Presensitization Fosters Antibody-Mediated Kidney Transplant Rejection. J Am Soc Nephrol 2016; 27:3231-3233. [PMID: 27225038 DOI: 10.1681/asn.2016040470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Affiliation(s)
- Patrick G Dean
- Department of Surgery, Division of Transplant Surgery, William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota
| | - Matthew D Griffin
- Regenerative Medicine Institute at CÚRAM Centre for Research in Medical Devices, School of Medicine, College of Medicine, Nursing and Health Sciences, National University of Ireland, Galway, Ireland; and .,Department of Nephrology, Galway University Hospitals, Saolta University Health Group, Galway, Ireland
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Casiraghi F, Cortinovis M, Perico N, Remuzzi G. Recent advances in immunosuppression and acquired immune tolerance in renal transplants. Am J Physiol Renal Physiol 2016; 310:F446-53. [DOI: 10.1152/ajprenal.00312.2015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 01/19/2016] [Indexed: 01/03/2023] Open
Affiliation(s)
- Federica Casiraghi
- IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Transplant Research Center “Chiara Cucchi de Alessandri e Gilberto Crespi,” Ranica, Bergamo, Italy
- IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Clinical Research Center for Rare Diseases “Aldo e Cele Daccò,” Ranica, Bergamo, Italy
| | - Monica Cortinovis
- IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Transplant Research Center “Chiara Cucchi de Alessandri e Gilberto Crespi,” Ranica, Bergamo, Italy
- IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Clinical Research Center for Rare Diseases “Aldo e Cele Daccò,” Ranica, Bergamo, Italy
| | - Norberto Perico
- IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Clinical Research Center for Rare Diseases “Aldo e Cele Daccò,” Ranica, Bergamo, Italy
| | - Giuseppe Remuzzi
- IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Transplant Research Center “Chiara Cucchi de Alessandri e Gilberto Crespi,” Ranica, Bergamo, Italy
- IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Clinical Research Center for Rare Diseases “Aldo e Cele Daccò,” Ranica, Bergamo, Italy
- Unit of Nephrology and Dialysis, Azienda Ospedaliera Papa Giovanni XXIII, Bergamo, Italy; and
- Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy
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Massart A, Pallier A, Pascual J, Viklicky O, Budde K, Spasovski G, Klinger M, Sever MS, Sørensen SS, Hadaya K, Oberbauer R, Dudley C, De Fijter JW, Yussim A, Hazzan M, Wekerle T, Berglund D, De Biase C, Pérez-Sáez MJ, Mühlfeld A, Orlando G, Clemente K, Lai Q, Pisani F, Kandus A, Baas M, Bemelman F, Ponikvar JB, Mazouz H, Stratta P, Subra JF, Villemain F, Hoitsma A, Braun L, Cantarell MC, Colak H, Courtney A, Frasca GM, Howse M, Naesens M, Reischig T, Serón D, Seyahi N, Tugmen C, Alonso Hernandez A, Beňa L, Biancone L, Cuna V, Díaz-Corte C, Dufay A, Gaasbeek A, Garnier A, Gatault P, Gentil Govantes MA, Glowacki F, Gross O, Hurault de Ligny B, Huynh-Do U, Janbon B, Jiménez del Cerro LA, Keller F, La Manna G, Lauzurica R, Le Monies De Sagazan H, Thaiss F, Legendre C, Martin S, Moal MC, Noël C, Pillebout E, Piredda GB, Puga AR, Sulowicz W, Tuglular S, Prokopova M, Chesneau M, Le Moine A, Guérif P, Soulillou JP, Abramowicz M, Giral M, Racapé J, Maggiore U, Brouard S, Abramowicz D. The DESCARTES-Nantes survey of kidney transplant recipients displaying clinical operational tolerance identifies 35 new tolerant patients and 34 almost tolerant patients. Nephrol Dial Transplant 2016; 31:1002-13. [DOI: 10.1093/ndt/gfv437] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 11/29/2015] [Indexed: 11/14/2022] Open
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