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Kitchens WH, Larsen CP, Badell IR. Costimulatory Blockade and Solid Organ Transplantation: The Past, Present, and Future. Kidney Int Rep 2023; 8:2529-2545. [PMID: 38106575 PMCID: PMC10719580 DOI: 10.1016/j.ekir.2023.08.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 08/01/2023] [Accepted: 08/28/2023] [Indexed: 12/19/2023] Open
Abstract
Belatacept is the first costimulatory blockade agent clinically approved for transplant immunosuppression. Although more than 10 years of study have demonstrated that belatacept offers superior long-term renal allograft and patient survival compared to conventional calcineurin inhibitor (CNI)-based immunosuppression regimens, the clinical adoption of belatacept has continued to lag because of concerns of an early risk of acute cellular rejection (ACR) and various logistical barriers to its administration. In this review, the history of the clinical development of belatacept is examined, along with the findings of the seminal BENEFIT and BENEFIT-EXT trials culminating in the clinical approval of belatacept. Recent efforts to incorporate belatacept into novel CNI-free immunosuppression regimens are reviewed, as well as the experience of the Emory Transplant Center in using a tapered course of low-dose tacrolimus in belatacept-treated renal allograft patients to garner the long-term outcome benefits of belatacept without the short-term increased risks of ACR. Potential avenues to increase the clinical adoption of belatacept in the future are explored, including surmounting the logistical barriers of belatacept administration through subcutaneous administration or more infrequent belatacept dosing. In addition, belatacept conversion strategies and potential expanded clinical indications of belatacept are discussed for pediatric transplant recipients, extrarenal transplant recipients, treatment of antibody-mediated rejection (AMR), and in patients with failed renal allografts. Finally, we discuss the novel immunosuppressive drugs currently in the development pipeline that may aid in the expansion of costimulation blockade utilization.
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Affiliation(s)
- William H. Kitchens
- Division of Transplantation, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Christian P. Larsen
- Division of Transplantation, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - I. Raul Badell
- Division of Transplantation, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
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Chhun S, Trauchessec M, Melicine S, Nicolas F, Miele A, Lukic S, Vilain E, Amrouche L, Lebert D, Anglicheau D, Tartour E, Zuber J. A Validated LC-MS/MS Method for Performing Belatacept Drug Monitoring in Renal Transplantation. Biomedicines 2023; 11:2955. [PMID: 38001955 PMCID: PMC10669563 DOI: 10.3390/biomedicines11112955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/20/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
Belatacept, a CTLA4-Ig, was designed to prevent rejection and graft loss in kidney transplant recipients. This immunotherapy showed a long-term clinical benefit mainly on renal function and better glycemic control but was also associated with a higher number of severe infectious diseases, particularly CMV disease, and lymphoproliferative disease. Therapeutic drug monitoring usually guides the benefit-risk assessment of long-term immunosuppression. In this study, an analytical method by LC-MS/MS was developed in 20 microL of plasma for the belatacept quantification. Intra- and inter-assay precision and accuracy were lower than 20% for the limit of quantification, and 15% for higher concentrations. The method was implemented in our lab and provided data about the inter-variability (N = 108) and intra-variability (N = 33) of belatacept concentrations in kidney transplant recipients with a stable renal function, after conversion from a CNI- to a belatacept-based regimen.
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Affiliation(s)
- Stéphanie Chhun
- Laboratory of Immunology, Georges Pompidou European Hospital and Necker Hospital, AP-HP, F-75015 Paris, France (E.T.)
- Faculty of Medecine, Université Paris-Cité, F-75006 Paris, France; (D.A.); (J.Z.)
| | | | - Sophie Melicine
- Laboratory of Immunology, Georges Pompidou European Hospital and Necker Hospital, AP-HP, F-75015 Paris, France (E.T.)
| | - Frédéric Nicolas
- Department of Kidney and Metabolic Diseases, Transplantation and Clinical Immunology, Necker Hospital, AP-HP, F-75015 Paris, France (L.A.)
| | - Agathe Miele
- Promise Proteomics, F-38040 Grenoble, France (D.L.)
| | - Srboljub Lukic
- Laboratory of Immunology, Georges Pompidou European Hospital and Necker Hospital, AP-HP, F-75015 Paris, France (E.T.)
| | - Estelle Vilain
- Department of Kidney and Metabolic Diseases, Transplantation and Clinical Immunology, Necker Hospital, AP-HP, F-75015 Paris, France (L.A.)
| | - Lucile Amrouche
- Department of Kidney and Metabolic Diseases, Transplantation and Clinical Immunology, Necker Hospital, AP-HP, F-75015 Paris, France (L.A.)
| | | | - Dany Anglicheau
- Faculty of Medecine, Université Paris-Cité, F-75006 Paris, France; (D.A.); (J.Z.)
- Department of Kidney and Metabolic Diseases, Transplantation and Clinical Immunology, Necker Hospital, AP-HP, F-75015 Paris, France (L.A.)
| | - Eric Tartour
- Laboratory of Immunology, Georges Pompidou European Hospital and Necker Hospital, AP-HP, F-75015 Paris, France (E.T.)
- Faculty of Medecine, Université Paris-Cité, F-75006 Paris, France; (D.A.); (J.Z.)
| | - Julien Zuber
- Faculty of Medecine, Université Paris-Cité, F-75006 Paris, France; (D.A.); (J.Z.)
- Department of Kidney and Metabolic Diseases, Transplantation and Clinical Immunology, Necker Hospital, AP-HP, F-75015 Paris, France (L.A.)
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Petrossian G, Ortiz J, Ortiz AC, Addonizio K, Hsiao A, James R, Koizumi N, Patel S, Plews R. Increased CMV disease and "severe" BK viremia with belatacept vs. sirolimus three-drug maintenance immunosuppression. Transpl Immunol 2023; 79:101857. [PMID: 37201797 DOI: 10.1016/j.trim.2023.101857] [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: 01/11/2023] [Revised: 04/09/2023] [Accepted: 05/13/2023] [Indexed: 05/20/2023]
Abstract
OBJECTIVES Belatacept may provide benefit in delayed graft function, but its association with infectious complications is understudied. We aim to assess the incidence of CMV and BK viremia in patients treated with sirolimus or belatacept as part of a three-drug immunosuppression regimen after kidney transplantation. MATERIALS AND METHODS Kidney transplant recipients from 01/01/2015 to 10/01/2021 were retrospectively reviewed. Maintenance immunosuppression was either tacrolimus, mycophenolate and sirolimus (B0) or tacrolimus, mycophenolate, and belatacept (5.0 mg/kg monthly) (B1). Primary outcomes of interest were BK and CMV viremia which were followed until the end of the study period. Secondary outcomes included graft function (serum creatinine, eGFR) and acute rejection through 12 months. RESULTS Belatacept was initiated in patients with a higher mean kidney donor profile index (B0:0.36 vs. B1:0.44, p = .02) with more delayed graft function (B0:6.1% vs. B1:26.1%, p < .001). Belatacept therapy was associated with more "severe" CMV viremia >25,000 copies/mL (B0:1.2% vs. B1:5.9%, p = .016) and CMV disease (B0:0.41% vs. B1:4.2%, p = .015). However, there was no difference in the overall incidence of CMV viremia >200 IU/mL (B0:9.4% vs. B1:13.5%, p = .28). There was no difference in the incidence of BK viremia >200 IU/mL (B0:29.7% vs. B1:31.1%, p = .78) or BK-associated nephropathy (B0:2.4% vs. B1:1.7%, p = .58), but belatacept was associated with "severe" BK viremia, defined as >10,000 IU/mL (B0:13.0% vs. B1:21.8%, p = .03). The mean serum Cr was significantly higher with belatacept therapy at 1-year follow up (B0:1.24 mg/dL vs. B1:1.43 mg/dL, p = .003). Biopsy-proven acute rejection (B0:1.2% vs. B1:2.6%, p = .35) and graft loss (B0:1.2% vs. B1:0.84%, p = .81) were comparable at 12 months. CONCLUSIONS Belatacept therapy was associated with an increased risk of CMV disease and "severe" CMV and BK viremia. However, this regimen did not increase the overall incidence of infection and facilitated comparable acute rejection and graft loss at 12-month follow up.
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Affiliation(s)
| | - Jorge Ortiz
- Eerie County Medical Center, Buffalo, NY, United States of America
| | | | | | | | - Rosy James
- George Mason University, Fairfax, VA, United States of America
| | - Naoru Koizumi
- George Mason University, Fairfax, VA, United States of America
| | - Sunil Patel
- University Medical Center of Southern Nevada, Las Vegas, NV, United States of America
| | - Robert Plews
- University of Cincinnati, Cincinnati, OH, United States of America
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Manook M, Olaso D, Anwar IJ, Yoon J, Delaura I, Bae Y, Moris D, Shaw B, Song M, Farris AB, Jackson A, Kwun J, Knechtle S. Desensitization and belatacept-based maintenance therapy in pregnancy-sensitized monkeys receiving a kidney transplant. SCIENCE ADVANCES 2023; 9:eadg1448. [PMID: 37205758 PMCID: PMC10198638 DOI: 10.1126/sciadv.adg1448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 04/14/2023] [Indexed: 05/21/2023]
Abstract
Among sensitized patients awaiting a transplant, females are disproportionately represented, partly because of pregnancy-induced sensitization. Using female NHPs sensitized by pregnancy alone, we examined the efficacy of costimulation blockade and proteasome inhibition for desensitization. Three animals received no desensitization (control), and seven animals received weekly carfilzomib (27 mg/m2) and belatacept (20 mg/kg) before kidney transplantation. All animals received renal allografts from crossmatch-positive/maximally MHC-mismatched donors. Controls and three desensitized animals received tacrolimus-based immunosuppression. Four desensitized animals received additional belatacept with tacrolimus-based immunosuppression. Multiparous females had less circulating donor-specific antibody when compared to skin-sensitized males before transplantation. While females receiving desensitization showed only a marginal survival benefit over control females (MST = 11 days versus 63 days), additional belatacept to posttransplant maintenance significantly prolonged graft survival (MST > 164 days) and suppressed posttransplant DSA and circulating follicular helper T-like cells. This combination of therapies demonstrates great potential to reduce antibody-mediated rejection in sensitized recipients.
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Affiliation(s)
- Miriam Manook
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Danae Olaso
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Imran J. Anwar
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Janghoon Yoon
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Isabel Delaura
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Yeeun Bae
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Dimitrios Moris
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Brian Shaw
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Mingqing Song
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Alton B. Farris
- Department of Pathology, Emory University School of Medicine, Atlanta, GA, USA
| | - Annette Jackson
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Jean Kwun
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Stuart Knechtle
- Duke Transplant Center, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
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Power A, Jaquiss RDB. Commentary: Donor-specific tolerance in heart transplantation: A marathon, not a sprint. J Thorac Cardiovasc Surg 2023; 165:1667-1668. [PMID: 35120762 DOI: 10.1016/j.jtcvs.2022.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 11/17/2022]
Affiliation(s)
- Alyssa Power
- Division of Cardiology, Department of Pediatrics, University of Texas Southwestern Medical Center and Children's Health System of Texas, Dallas, Tex
| | - Robert D B Jaquiss
- Division of Pediatric Cardiac Surgery, Department of Cardiovascular and Thoracic Surgery, University of Texas Southwestern Medical Center and Children's Health System of Texas, Dallas, Tex.
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Chiodo Ortiz A, Petrossian G, Addonizio K, Hsiao A, Koizumi N, Yu Y, Plews R, Conti D, Ortiz J. Short-term decreased post transplant lymphoproliferative disorder risk after kidney transplantation using two novel regimens. Transpl Immunol 2023; 76:101774. [PMID: 36528248 DOI: 10.1016/j.trim.2022.101774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 12/06/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND Belatacept is employed alongside calcineurin inhibitor (CNI) therapy to prevent graft rejection in kidney transplant patients who are Epstein-Barr virus (EBV) seropositive. Preliminary data suggested that rates of post-transplant lymphoproliferative disorder (PTLD) were higher in individuals treated with belatacept compared to CNI therapy alone. METHODS The records of 354 adults who underwent kidney only transplantation from January 2015 through September 2021 at one medical center were evaluated. Patients underwent treatment with either low-doses of mycophenolate, tacrolimus and sirolimus (B0, n = 235) or low-doses of mycophenolate, tacrolimus and belatacept (B1, n = 119). All recipients underwent induction with antithymocyte globulin and a rapid glucocorticosteroid taper. Relevant donor and recipient information were analyzed and endpoints of PTLD were assessed. RESULTS There were no cases of PTLD in either cohort within the study period. Recipients in the belatacept cohort experienced lower estimated glomerular filtration rates at 12 months (B0: 67.48 vs. B1: 59.10, p = 0.0014). Graft failure at 12 (B0: 1.28% vs. B1: 0.84%, p = 1.0) and 24 months (B0:2.55% vs. B1: 0.84%, p = 0.431) were similar. There was no difference in rejection rates at 12 (B0: 1.27% vs. B1: 2.52%, p = 0.408) or 24 months (B0: 2.12% vs. B1: 2.52%, p = 1.000). Both groups had similar rates of malignancy, mortality and CMV/BK viremia. CONCLUSION Non-belatacept (MMF, tacrolimus and sirolimus) and belatacept-based (MMF, tacrolimus and belatacept) regimens do not appear to pose any increased risk of early onset PTLD. Both cohorts benefited from low rates of rejection, malignancy, mortality and graft failure. Recipients will continue to be monitored as PTLD can manifest as a long-term complication.
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Affiliation(s)
- A Chiodo Ortiz
- Albany Medical Center, Albany, NY, United States of America.
| | - G Petrossian
- Albany Medical Center, Albany, NY, United States of America
| | - K Addonizio
- Albany Medical Center, Albany, NY, United States of America
| | - A Hsiao
- Albany Medical Center, Albany, NY, United States of America
| | - N Koizumi
- George Mason University, Fairfax, VA, United States of America
| | - Y Yu
- George Mason University, Fairfax, VA, United States of America
| | - R Plews
- Division of Renal and Pancreatic Transplant Services, Albany Medical Center, Albany, NY, United States of America
| | - D Conti
- Division of Renal and Pancreatic Transplant Services, Albany Medical Center, Albany, NY, United States of America
| | - J Ortiz
- Division of Renal and Pancreatic Transplant Services, Albany Medical Center, Albany, NY, United States of America
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7
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Serkies K, Dębska-Ślisień A, Kowalczyk A, Lizakowski S, Małyszko J. Malignancies in adult kidney transplant candidates and recipients: current status. Nephrol Dial Transplant 2022:6674222. [PMID: 35998321 DOI: 10.1093/ndt/gfac239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Posttransplant malignancies, particularly recurrent and de novo, in solid organs including kidney transplant recipients (KTRs) are a significant complication associated with substantial mortality, largely attributed to long-term immunosuppression necessary to maintain allograft tolerance. Older age at transplantation and oncogenic virus infection along with pretransplant malignancies are among the main factors contributing to the risk of cancer in this population. As the mean age of transplant candidates rises, the rate of transplant recipients with pretransplant malignancies also increases. The eligibility criteria for transplantation in patients with prior cancer have recently changed. The overall risk of posttransplant malignancies is at least double after transplantation including KTRs relative to the general population, most pronounced for skin cancers associated with UV radiation and virally-mediated tumors. The risk of renal cell carcinoma is specifically increased in the kidney transplant population. The therapy of cancer in transplant patients is associated with risk of higher toxicity, and graft rejection and/or impairment, which poses a unique challenge in the management. Reduction of immunosuppression and the use of mTOR inhibitors are common after cancer diagnosis, although optimal immunosuppression for transplant recipients with cancer remains undefined. Suboptimal cancer treatment contributing to a worse prognosis has been reported for malignancies in this population. In this article, we focus on the prevalence and outcomes of posttransplant malignancies, cancer therapy including a short overview of immunotherapy, cancer screening and prevention strategies, and immunosuppression as a cancer risk factor. The 2020/2021 recommendations of the Kidney Diseases Improving Global Outcome (KDIGO) and American Society of Transplantation (AST) for transplant candidates with a history of cancer are presented.
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Affiliation(s)
- Krystyna Serkies
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Poland
| | - Alicja Dębska-Ślisień
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdańsk, Poland
| | - Anna Kowalczyk
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Poland
| | - Sławomir Lizakowski
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdańsk, Poland
| | - Jolanta Małyszko
- Department of Nephrology, Dialysis and Internal Medicine, Warsaw Medical University, Poland
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Fatal Case of EBV-negative Posttransplant Lymphoproliferative Disorder With Hemophagocytic Lymphohistiocytosis in an Adult Kidney Transplant Recipient. Transplant Direct 2022; 8:e1368. [PMID: 35975023 PMCID: PMC9374183 DOI: 10.1097/txd.0000000000001368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/10/2022] [Accepted: 07/05/2022] [Indexed: 11/25/2022] Open
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9
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Grenda R. Non-Hodgkin lymphoma after pediatric kidney transplantation. Pediatr Nephrol 2022; 37:1759-1773. [PMID: 34633534 PMCID: PMC9239945 DOI: 10.1007/s00467-021-05205-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/27/2021] [Accepted: 06/24/2021] [Indexed: 11/18/2022]
Abstract
Non-Hodgkin lymphoma (NHL) that develops after kidney transplantation belongs to post-transplant lymphoproliferative disorders (PTLD) occurring with an incidence of 2-3%. Most pediatric cases are related to primary infection with Epstein-Barr virus (EBV), able to transform and immortalize B cells and widely proliferate due to the lack of relevant control of cytotoxic T cells in patients receiving post-transplant immunosuppression. NHL may develop as a systemic disease or as a localized lesion. The clinical pattern is variable, from non-symptomatic to fulminating disease. Young age of transplant recipient, seronegative EBV status at transplantation, and EBV mismatch between donor and recipient (D+/R-) are regarded as risk factors. Immunosuppression impacts the development of both early and late NHLs. Specific surveillance protocols, including monitoring of EBV viral load, are used in patients at risk; however, detailed histopathology diagnosis and evaluation of malignancy staging is crucial for therapeutic decisions. Minimizing of immunosuppression is a primary management, followed by the use of rituximab in B-cell NHLs. Specific chemotherapeutic protocols, adjusted to lymphoma classification and staging, are used in advanced NHLs. Radiotherapy and/or surgical removal of malignant lesions is limited to the most severe cases. Outcome is variable, depending on risk factors and timing of diagnosis, however is positive in pediatric patients in terms of graft function and patient survival. Kidney re-transplantation is possible in survivors who lost the primary graft due to chronic rejection, however may be performed after at least 2-3 years of waiting time, careful verification of malignancy-free status, and gaining immunity against EBV.
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Affiliation(s)
- Ryszard Grenda
- Department of Nephrology, Kidney Transplantation & Hypertension, Children's Memorial Health Institute, Warsaw, Poland.
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10
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Jehn U, Siam S, Wiening V, Pavenstädt H, Reuter S. Belatacept as a Treatment Option in Patients with Severe BK Polyomavirus Infection and High Immunological Risk—Walking a Tightrope between Viral Control and Prevention of Rejection. Viruses 2022; 14:v14051005. [PMID: 35632747 PMCID: PMC9143364 DOI: 10.3390/v14051005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/02/2022] [Accepted: 05/05/2022] [Indexed: 12/16/2022] Open
Abstract
Balancing the immune system with immunosuppressive treatment is essential in kidney transplant recipients to avoid allograft rejection on the one hand and infectious complications on the other. BK polyomavirus nephropathy (BKPyVAN) is a viral complication that seriously threatens kidney allograft survival. Therefore, the main treatment strategy is to reduce immunosuppression, but this is associated with an increased rejection risk. Belatacept is an immunosuppressant that acts by blocking the CD80/86-CD28 co-stimulatory pathway of effector T-cells with marked effects on the humoral response. However, when compared with calcineurin-inhibitors (CNI), the cellular rejection rate is higher. With this in mind, we hypothesized that belatacept could be used as rescue therapy in severely BKPyV-affected patients with high immunological risk. We present three cases of patients with BKPyVAN-associated complications and donor-specific antibodies (DSA) and one patient who developed T-cell-mediated rejection after a reduction in immunosuppression in response to BKPyVAN. Patients were switched to a belatacept-based immunosuppressive regimen and showed significantly improved viral control and stabilized graft function. The cases presented here suggest that belatacept is a potential treatment option in the complicated situation of refractory BKPyV infection in patients with high immunological risk.
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11
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Konda P, Golamari R, Eisen HJ. Novel Immunosuppression in Solid Organ Transplantation. Handb Exp Pharmacol 2022; 272:267-285. [PMID: 35318509 DOI: 10.1007/164_2021_569] [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] [Indexed: 06/14/2023]
Abstract
Solid organ transplantation and survival has improved tremendously in the last few decades, much of the success has been attributed to the advancements in immunosuppression. While steroids are being replaced and much of the immunosuppressive strategies focus on steroid free regimens, novel agents have introduced in the induction, maintenance, and treatment of acute rejection phase. MTOR inhibitors have helped with the renal sparing side effect from the calcineurin inhibitors, newer agents such as rituximab have decreased the incidence of donor-specific antibodies which led to decreased incidence of acute rejection reactions. In this chapter we discuss the newer therapies directed specifically for solid organ transplantation.
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Affiliation(s)
- Prasad Konda
- Heart and Vascular Institute, Pennsylvania State University/Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Reshma Golamari
- Department of Hospital Medicine, Pennsylvania State University/Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Howard J Eisen
- Heart and Vascular Institute, Pennsylvania State University/Milton S. Hershey Medical Center, Hershey, PA, USA.
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12
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Terrec F, Jouve T, Malvezzi P, Janbon B, Naciri Bennani H, Rostaing L, Noble J. Belatacept Use after Kidney Transplantation and Its Effects on Risk of Infection and COVID-19 Vaccine Response. J Clin Med 2021; 10:jcm10215159. [PMID: 34768680 PMCID: PMC8585113 DOI: 10.3390/jcm10215159] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 10/26/2021] [Accepted: 11/02/2021] [Indexed: 02/07/2023] Open
Abstract
Introduction: Belatacept is a common immunosuppressive therapy used after kidney transplantation (KT) to avoid calcineurin-inhibitor (CNI) use and its related toxicities. It is unclear whether its use exposes KT recipients (KTx) to a greater risk of infection or a poorer response to vaccines. Areas covered: We reviewed PubMed and the Cochrane database. We then summarized the mechanisms and impacts of belatacept use on the risk of infection, particularly opportunistic, in two settings, i.e., de novo KTx and conversion from CNIs. We also focused on COVID-19 infection risk and response to SARS-CoV-2 vaccination in patients whose maintenance immunosuppression relies on belatacept. Expert opinion: When belatacept is used de novo, or after drug conversion the safety profile regarding the risk of infection remains good. However, there is an increased risk of opportunistic infections, mainly CMV disease and Pneumocystis pneumonia, particularly in those with a low eGFR, in older people, in those receiving steroid-based therapy, or those that have an early conversion from CNI to belatacept (i.e., <six months post-transplantation). Thus, we recommend, if possible, delaying conversion from CNI to belatacept until at least six months post-transplantation. Optimal timing seems to be eight months post-transplantation. In addition, KTx receiving belatacept respond poorly to SARS-CoV-2 vaccination.
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Affiliation(s)
- Florian Terrec
- Service de Néphrologie, Hémodialyse, Aphérèses et Transplantation Rénale, Centre Hospitalier Universitaire Grenoble Alpes (CHU), Université Grenoble Alpes, 38043 Grenoble, France; (F.T.); (T.J.); (P.M.); (B.J.); (H.N.B.); (J.N.)
| | - Thomas Jouve
- Service de Néphrologie, Hémodialyse, Aphérèses et Transplantation Rénale, Centre Hospitalier Universitaire Grenoble Alpes (CHU), Université Grenoble Alpes, 38043 Grenoble, France; (F.T.); (T.J.); (P.M.); (B.J.); (H.N.B.); (J.N.)
- School of Medicine, Université Grenoble Alpes, 38043 Grenoble, France
| | - Paolo Malvezzi
- Service de Néphrologie, Hémodialyse, Aphérèses et Transplantation Rénale, Centre Hospitalier Universitaire Grenoble Alpes (CHU), Université Grenoble Alpes, 38043 Grenoble, France; (F.T.); (T.J.); (P.M.); (B.J.); (H.N.B.); (J.N.)
| | - Bénédicte Janbon
- Service de Néphrologie, Hémodialyse, Aphérèses et Transplantation Rénale, Centre Hospitalier Universitaire Grenoble Alpes (CHU), Université Grenoble Alpes, 38043 Grenoble, France; (F.T.); (T.J.); (P.M.); (B.J.); (H.N.B.); (J.N.)
| | - Hamza Naciri Bennani
- Service de Néphrologie, Hémodialyse, Aphérèses et Transplantation Rénale, Centre Hospitalier Universitaire Grenoble Alpes (CHU), Université Grenoble Alpes, 38043 Grenoble, France; (F.T.); (T.J.); (P.M.); (B.J.); (H.N.B.); (J.N.)
| | - Lionel Rostaing
- Service de Néphrologie, Hémodialyse, Aphérèses et Transplantation Rénale, Centre Hospitalier Universitaire Grenoble Alpes (CHU), Université Grenoble Alpes, 38043 Grenoble, France; (F.T.); (T.J.); (P.M.); (B.J.); (H.N.B.); (J.N.)
- School of Medicine, Université Grenoble Alpes, 38043 Grenoble, France
- Correspondence: ; Tel.: +33-4-76-76-54-60
| | - Johan Noble
- Service de Néphrologie, Hémodialyse, Aphérèses et Transplantation Rénale, Centre Hospitalier Universitaire Grenoble Alpes (CHU), Université Grenoble Alpes, 38043 Grenoble, France; (F.T.); (T.J.); (P.M.); (B.J.); (H.N.B.); (J.N.)
- School of Medicine, Université Grenoble Alpes, 38043 Grenoble, France
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13
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Ruggenenti P, Cravedi P, Gotti E, Plati A, Marasà M, Sandrini S, Bossini N, Citterio F, Minetti E, Montanaro D, Sabadini E, Tardanico R, Martinetti D, Gaspari F, Villa A, Perna A, Peraro F, Remuzzi G. Mycophenolate mofetil versus azathioprine in kidney transplant recipients on steroid-free, low-dose cyclosporine immunosuppression (ATHENA): A pragmatic randomized trial. PLoS Med 2021; 18:e1003668. [PMID: 34166370 PMCID: PMC8224852 DOI: 10.1371/journal.pmed.1003668] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/23/2021] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND We compared protection of mycophenolate mofetil (MMF) and azathioprine (AZA) against acute cellular rejection (ACR) and chronic allograft nephropathy (CAN) in kidney transplant recipients on steroid-free, low-dose cyclosporine (CsA) microemulsion maintenance immunosuppression. METHODS AND FINDINGS ATHENA, a pragmatic, prospective, multicenter trial conducted by 6 Italian transplant centers, compared the outcomes of 233 consenting recipients of a first deceased donor kidney transplant induced with low-dose thymoglobulin and basiliximab and randomized to MMF (750 mg twice/day, n = 119) or AZA (75 to 125 mg/day, n = 114) added-on maintenance low-dose CsA microemulsion and 1-week steroid. In patients without acute clinical or subclinical rejections, CsA dose was progressively halved. Primary endpoint was biopsy-proven CAN. Analysis was by intention to treat. Participants were included between June 2007 and July 2012 and followed up to August 2016. Between-group donor and recipient characteristics, donor/recipient mismatches, and follow-up CsA blood levels were similar. During a median (interquartile range (IQR)) follow-up of 47.7 (44.2 to 48.9) months, 29 of 87 biopsied patients on MMF (33.3%) versus 31 of 88 on AZA (35.2%) developed CAN (hazard ratio (HR) [95% confidence interval (CI)]: 1.147 (0.691 to 1.904, p = 0.595). Twenty and 21 patients on MMF versus 34 and 14 on AZA had clinical [HR (95% CI): 0.58 (0.34 to 1.02); p = 0.057) or biopsy-proven subclinical [HR (95% CI): 1.49 (0.76 to 2.92); p = 0.249] ACR, respectively. Combined events [HR (95% CI): 0.85 (0.56 to 1.29); p = 0.438], patient and graft survival, delayed graft function (DGF), 3-year glomerular filtration rate (GFR) [53.8 (40.6;65.7) versus 49.8 (36.8;62.5) mL/min/1.73 m2, p = 0.50], and adverse events (AEs) were not significantly different between groups. Chronicity scores other than CAN predict long-term graft outcome. Study limitations include small sample size and unblinded design. CONCLUSIONS In this study, we found that in deceased donor kidney transplant recipients on low-dose CsA and no steroids, MMF had no significant benefits over AZA. This finding suggests that AZA, due to its lower costs, could safely replace MMF in combination with minimized immunosuppression. TRIAL REGISTRATION ClinicalTrials.gov NCT00494741; EUDRACT 2006-005604-14.
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Affiliation(s)
- Piero Ruggenenti
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
- Unit of Nephrology and Dialysis, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Paolo Cravedi
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Eliana Gotti
- Unit of Nephrology and Dialysis, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Annarita Plati
- Unit of Nephrology and Dialysis, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Maddalena Marasà
- Unit of Nephrology and Dialysis, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Silvio Sandrini
- Unit of Nephrology, ASST degli Spedali Civili di Brescia, Brescia, Italy
| | - Nicola Bossini
- Unit of Nephrology, ASST degli Spedali Civili di Brescia, Brescia, Italy
| | - Franco Citterio
- Unit of Kidney Transplantation, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italy
| | - Enrico Minetti
- Unit of Nephrology, ASST Grande Ospedale Metropolitano Niguarda, Milano, Italy
| | - Domenico Montanaro
- SOC di Nefrologia, Dialisi e Trapianto Renale della Azienda Ospedaliero Universitaria “S. Maria della Misericordia,” Udine, Italy
| | - Ettore Sabadini
- Unit of Nephrology and Dialysis, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Regina Tardanico
- Unit of Nephrology, ASST degli Spedali Civili di Brescia, Brescia, Italy
| | - Davide Martinetti
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Flavio Gaspari
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Alessandro Villa
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Annalisa Perna
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Francesco Peraro
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Giuseppe Remuzzi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
- * E-mail:
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14
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Leeaphorn N, Thongprayoon C, Chewcharat A, Hansrivijit P, Jadlowiec CC, Cummings LS, Katari S, Mao SA, Mao MA, Cheungpasitporn W. Outcomes of kidney retransplantation in recipients with prior posttransplant lymphoproliferative disorders: An analysis of the 2000-2019 UNOS/OPTN database. Am J Transplant 2021; 21:846-853. [PMID: 33128832 DOI: 10.1111/ajt.16385] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/13/2020] [Accepted: 10/25/2020] [Indexed: 01/25/2023]
Abstract
This study utilized the UNOS database to assess clinical outcomes after kidney retransplantation in patients with a history of posttransplant lymphoproliferative disease (PTLD). Among second kidney transplant patients from 2000 to 2019, 254 had history of PTLD in their first kidney transplant, whereas 28,113 did not. After a second kidney transplant, PTLD occurred in 2.8% and 0.8% of patients with and without history of PTLD, respectively (p = .001). Over a median follow-up time of 4.5 years after a second kidney transplant, 5-year death-censored graft failure was 9.5% vs. 12.6% (p = .21), all-cause mortality was 8.3% vs. 11.8% (p = .51), and 1-year acute rejection was 11.0% vs. 9.3% (p = .36) in the PTLD vs. non-PTLD groups, respectively. There was no significant difference in death-censored graft failure, mortality, and acute rejection between PTLD and non-PTLD groups in adjusted analysis and after propensity score matching. We conclude that graft survival, patient survival, and acute rejection after kidney retransplantation are comparable between patients with and without history of PTLD, but PTLD occurrence after kidney retransplantation remains higher in patients with history of PTLD.
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Affiliation(s)
- Napat Leeaphorn
- Renal Transplant Program, University of Missouri-Kansas City School of Medicine/Saint Luke's Health System, Kansas City, Missouri
| | - Charat Thongprayoon
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, Minnesota
| | - Api Chewcharat
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, Minnesota
| | - Panupong Hansrivijit
- Department of Internal Medicine, University of Pittsburgh Medical Center Pinnacle, Harrisburg, Pennsylvania
| | | | - Lee S Cummings
- Renal Transplant Program, University of Missouri-Kansas City School of Medicine/Saint Luke's Health System, Kansas City, Missouri
| | - Sreelatha Katari
- Renal Transplant Program, University of Missouri-Kansas City School of Medicine/Saint Luke's Health System, Kansas City, Missouri
| | - Shennen A Mao
- Division of Transplant Surgery, Mayo Clinic, Jacksonville, Florida
| | - Michael A Mao
- Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, Florida
| | - Wisit Cheungpasitporn
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, Minnesota
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15
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Post-transplant lymphoproliferative disorder in adult renal transplant recipients: case series and review of literature. Cent Eur J Immunol 2021; 45:498-506. [PMID: 33658896 PMCID: PMC7882407 DOI: 10.5114/ceji.2020.103427] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 10/28/2019] [Indexed: 01/24/2023] Open
Abstract
Post-transplant lymphoproliferative disorder (PTLD) is serious life-threating complication of transplantation. The clinical picture differs from lymphomas observed in the general population, with different manifestation, histopathology, higher aggressiveness with involvement of sites beyond the primary lymph node, and poorer outcome. The objective of the study was to present nine cases of PTLD observed in our centre among the kidney transplant recipient population and discuss the results with up-to-date literature. We performed a retrospective single-centre assessment of PTLD incidence in the cohorts of kidney transplant recipients followed by our centre. We found nine cases of PTLD, five men and four woman, aged from 26 to 67 years at the time of diagnosis (mean [SD] 48 [5] years), transplanted between 1997 and 2013. The disease was diagnosed between 2002 and 2017, from 6 to 440 months after transplantation (mean [SD] 96 [137] months). A diffuse large B-cell lymphoma was found in seven cases early as well as late after transplantation, and two patients presented T-cell lymphoma. Five patients achieved complete remission with no relapses after 6 to 13 months of treatment. In three cases the remission was achieved by switching to mammalian target of rapamycin inhibitors (mTORi) only. Four recipients died from 2 weeks to 15 months after PTLD was diagnosed. Although the diagnostic criteria of different forms of PTLD are commonly known, rapid and correct diagnosis is not easy. PTLD is a relatively a rare disease, so there are too few studies and little consensus on the optimal treatment.
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16
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Bertrand D, Terrec F, Etienne I, Chavarot N, Sberro R, Gatault P, Garrouste C, Bouvier N, Grall-Jezequel A, Jaureguy M, Caillard S, Thervet E, Colosio C, Golbin L, Rerolle JP, Thierry A, Sayegh J, Janbon B, Malvezzi P, Jouve T, Rostaing L, Noble J. Opportunistic Infections and Efficacy Following Conversion to Belatacept-Based Therapy after Kidney Transplantation: A French Multicenter Cohort. J Clin Med 2020; 9:jcm9113479. [PMID: 33126667 PMCID: PMC7693007 DOI: 10.3390/jcm9113479] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/22/2020] [Accepted: 10/26/2020] [Indexed: 12/21/2022] Open
Abstract
Conversion from calcineurin-inhibitors (CNIs) to belatacept can help kidney-transplant (KT) recipients avoid CNI-related nephrotoxicity. The risk of associated opportunistic infections (OPIs) is ill-defined. We conducted a multicentric cohort study across 15 French KT-centers in a real-life setting. Between 07-2010 and 07-2019, 453 KT recipients were converted from CNI- to belatacept-based therapy at 19 [0.13-431] months post-transplantation. Most patients, i.e., 332 (79.3%), were converted after 6-months post-transplantation. Follow-up time after conversion was 20.1 +/- 13 months. OPIs developed in 42(9.3%) patients after 14 +/- 12 months post-conversion. Eight patients (19%) had two OPI episodes during follow-up. Incidences of CMV DNAemia and CMV disease were significantly higher in patients converted before 6-months post-KT compared to those converted later (i.e., 31.6% vs. 11.5%; p < 0.001; and 11.6% vs. 2.4%, p < 0.001, respectively). Cumulative incidence of OPIs was 6.5 OPIs/100 person-years. Incidence of CMV disease was 2.8/100 person-years, of pneumocystis pneumonia 1.6/100 person-years, and of aspergillosis 0.2/100 person-years. Multivariate analyses showed that estimated glomerular filtration (eGFR) < 25 mL/min/1.73 m2 at conversion was independently associated with OPIs (HR = 4.7 (2.2 - 10.3), p < 0.001). The incidence of EBV DNAemia was 17.3 events /100 person-years. At 1-year post-conversion, mean eGFR had significantly increased from 32.0 +/- 18 mL/min/1.73 m2 to 42.2 +/- 18 mL/min/1.73 m2 (p < 0.0001). Conversion to belatacept is an effective strategy with a low infectious risk.
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Affiliation(s)
- Dominique Bertrand
- Department of Nephrology and Transplantation, Rouen University Hospital, 76000 Rouen, France; (D.B.); (I.E.)
| | - Florian Terrec
- Nephrology, Hemodialysis, Apheresis and Kidney Transplantation Department, University Hospital Grenoble, 38000 Grenoble, France; (F.T.); (B.J.); (P.M.); (T.J.); (J.N.)
| | - Isabelle Etienne
- Department of Nephrology and Transplantation, Rouen University Hospital, 76000 Rouen, France; (D.B.); (I.E.)
| | - Nathalie Chavarot
- Department of Adult Kidney Transplantation, Necker-Enfants Malades University Hospital, 75000 Paris, France; (N.C.); (R.S.)
| | - Rebecca Sberro
- Department of Adult Kidney Transplantation, Necker-Enfants Malades University Hospital, 75000 Paris, France; (N.C.); (R.S.)
| | - Philippe Gatault
- Department of Nephrology, Tours University Hospital, 37000 Tours, France;
| | - Cyril Garrouste
- Department of Nephrology, Clermont Ferrand University Hospital, 63000 Clermont Ferrand, France;
| | - Nicolas Bouvier
- Department of Nephrology, Caen University Hospital, 14000 Caen, France;
| | | | - Maïté Jaureguy
- Department of Nephrology, Amiens University Hospital, 80000 Amiens, France;
| | - Sophie Caillard
- Department of Nephrology, Strasbourg University Hospital, 67000 Strasbourg, France;
| | - Eric Thervet
- Department of Nephrology, European Georges Pompidou University Hospital, 75000 Paris, France;
| | - Charlotte Colosio
- Department of Nephrology, Reims University Hospital, 51100 Reims, France;
| | - Leonard Golbin
- Department of Nephrology, Rennes University Hospital, 35000 Rennes, France;
| | | | - Antoine Thierry
- Department of Nephrology, Poitiers University Hospital, 86000 Poitiers, France;
| | - Johnny Sayegh
- Department of Nephrology, Angers University Hospital, 49000 Angers, France;
| | - Bénédicte Janbon
- Nephrology, Hemodialysis, Apheresis and Kidney Transplantation Department, University Hospital Grenoble, 38000 Grenoble, France; (F.T.); (B.J.); (P.M.); (T.J.); (J.N.)
| | - Paolo Malvezzi
- Nephrology, Hemodialysis, Apheresis and Kidney Transplantation Department, University Hospital Grenoble, 38000 Grenoble, France; (F.T.); (B.J.); (P.M.); (T.J.); (J.N.)
| | - Thomas Jouve
- Nephrology, Hemodialysis, Apheresis and Kidney Transplantation Department, University Hospital Grenoble, 38000 Grenoble, France; (F.T.); (B.J.); (P.M.); (T.J.); (J.N.)
- Department of Adult Kidney Transplantation, Necker-Enfants Malades University Hospital, 75000 Paris, France; (N.C.); (R.S.)
| | - Lionel Rostaing
- Nephrology, Hemodialysis, Apheresis and Kidney Transplantation Department, University Hospital Grenoble, 38000 Grenoble, France; (F.T.); (B.J.); (P.M.); (T.J.); (J.N.)
- Department of Adult Kidney Transplantation, Necker-Enfants Malades University Hospital, 75000 Paris, France; (N.C.); (R.S.)
- Correspondence: ; Tel.: +33-4-76-76-54-60
| | - Johan Noble
- Nephrology, Hemodialysis, Apheresis and Kidney Transplantation Department, University Hospital Grenoble, 38000 Grenoble, France; (F.T.); (B.J.); (P.M.); (T.J.); (J.N.)
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17
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Lortholary O, Fernandez-Ruiz M, Baddley JW, Manuel O, Mariette X, Winthrop KL. Infectious complications of rheumatoid arthritis and psoriatic arthritis during targeted and biological therapies: a viewpoint in 2020. Ann Rheum Dis 2020; 79:1532-1543. [PMID: 32963049 DOI: 10.1136/annrheumdis-2020-217092] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 05/28/2020] [Accepted: 06/16/2020] [Indexed: 12/13/2022]
Abstract
Biological therapies have improved the outcomes of several major inflammatory, autoimmune and also neoplastic disorders. Those directed towards cytokines or other soluble mediators, cell-surface molecules or receptors or various components of intracellular signalling pathways may be associated with the occurrence of infections whose diversity depends on the particular immune target. In this context and following a keynote lecture given by one of us at the European League Against Rheumatism meeting on June 2018, a multidisciplinary group of experts deeply involved in the use of targeted and biological therapies in rheumatoid and psoriatic arthritis decided to summarise their recent vision of the immunological basis and epidemiology of infections occurring during targeted and biological therapies, and provide useful indications for their management and prevention.
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Affiliation(s)
- Olivier Lortholary
- Paris University, Necker Pasteur Center for Infectious Diseases and Tropical Medicine, IHU Imagine, Necker Enfants malades University Hospital, APHP, Paris, France .,Institut Pasteur, National Reference Center for Invasive Mycoses and Antifungals, Molecular Mycology Unit, CNRS UMR 2000, Paris, France
| | - Mario Fernandez-Ruiz
- Unit of Infectious Diseases, Hospital Universitario "12 de Octubre", Instituto de Investigación Sanitaria Hospital "12 de Octubre" (imas12), School of Medicine, Universidad Complutense, Madrid, Spain.,Spanish Network for Research in Infectious Diseases (REIPI RD16/0016), Instituto de Salud Carlos III, Madrid, Spain
| | - John W Baddley
- University of Maryland School of Medicine, Division of Infectious Diseases, Baltimore, Maryland, USA
| | - Oriol Manuel
- Infectious Diseases Service and Transplantation Center, University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Xavier Mariette
- Rheumatology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux universitaires Paris-Sud - Hôpital Bicêtre, Le Kremlin Bicêtre, France.,Université Paris-Sud, Center for Immunology of Viral Infections and Auto-immune Diseases (IMVA), Institut pour la Santé et la Recherche Médicale (INSERM) UMR 1184, Université Paris-Saclay, Le Kremlin Bicêtre, France
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18
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Geraud A, Gougis P, Vozy A, Anquetil C, Allenbach Y, Romano E, Funck-Brentano E, Moslehi JJ, Johnson DB, Salem JE. Clinical Pharmacology and Interplay of Immune Checkpoint Agents: A Yin-Yang Balance. Annu Rev Pharmacol Toxicol 2020; 61:85-112. [PMID: 32871087 DOI: 10.1146/annurev-pharmtox-022820-093805] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
T cells have a central role in immune system balance. When activated, they may lead to autoimmune diseases. When too anergic, they contribute to infection spread and cancer proliferation. Immune checkpoint proteins regulate T cell function, including cytotoxic T lymphocyte antigen-4 (CTLA-4) and programmed cell death-1 (PD-1) and its ligand (PD-L1). These nodes of self-tolerance may be exploited pharmacologically to downregulate (CTLA-4 agonists) and activate [CTLA-4 and PD-1/PD-L1 antagonists, also called immune checkpoint inhibitors (ICIs)] the immune system.CTLA-4 agonists are used to treat rheumatologic immune disorders and graft rejection. CTLA-4, PD-1, and PD-L1 antagonists are approved for multiple cancer types and are being investigated for chronic viral infections. Notably, ICIs may be associated with immune-related adverse events (irAEs), which can be highly morbid or fatal. CTLA-4 agonism has been a promising method to reverse such life-threatening irAEs. Herein, we review the clinical pharmacology of these immune checkpoint agents with a focus on their interplay in human diseases.
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Affiliation(s)
- Arthur Geraud
- Sorbonne Université, INSERM, CIC-1901 Paris-Est, CLIP² Galilée, UNICO-GRECO Cardio-oncology Program, and Department of Pharmacology, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, F-75013 Paris, France; .,Department of Drug Development (DITEP), Gustave Roussy, 94805 Villejuif, France
| | - Paul Gougis
- Sorbonne Université, INSERM, CIC-1901 Paris-Est, CLIP² Galilée, UNICO-GRECO Cardio-oncology Program, and Department of Pharmacology, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, F-75013 Paris, France;
| | - Aurore Vozy
- Sorbonne Université, INSERM, CIC-1901 Paris-Est, CLIP² Galilée, UNICO-GRECO Cardio-oncology Program, and Department of Pharmacology, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, F-75013 Paris, France;
| | - Celine Anquetil
- Sorbonne Université, INSERM, Department of Internal Medicine, Assistance Publique-Hôpitaux de Paris, F-75013 Paris, France
| | - Yves Allenbach
- Sorbonne Université, INSERM, Department of Internal Medicine, Assistance Publique-Hôpitaux de Paris, F-75013 Paris, France
| | - Emanuela Romano
- Center for Cancer Immunotherapy, INSERM U932, Institut Curie, 75248 Paris Cedex 05, France
| | - Elisa Funck-Brentano
- Department of General and Oncologic Dermatology, Ambroise-Paré Hospital, AP-HP, EA 4340, Université Paris-Saclay, 92100 Boulogne-Billancourt, France
| | - Javid J Moslehi
- Department of Medicine, Cardio-Oncology Program, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA
| | - Douglas B Johnson
- Department of Medicine, Cardio-Oncology Program, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA
| | - Joe-Elie Salem
- Sorbonne Université, INSERM, CIC-1901 Paris-Est, CLIP² Galilée, UNICO-GRECO Cardio-oncology Program, and Department of Pharmacology, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, F-75013 Paris, France; .,Department of Medicine, Cardio-Oncology Program, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA
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19
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Silva JT, Fernández-Ruiz M, Aguado JM. Prevention and therapy of viral infections in patients with solid organ transplantation. Enferm Infecc Microbiol Clin 2020; 39:87-97. [PMID: 32143894 DOI: 10.1016/j.eimc.2020.01.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/13/2020] [Accepted: 01/16/2020] [Indexed: 12/28/2022]
Abstract
Solid organ transplantation (SOT) is the best treatment option for end-stage organ disease. The number of SOT procedures has been steadily increasing worldwide during the past decades. This trend has been accompanied by the continuous incorporation of new antimicrobial drugs and by the refinement of strategies aimed at minimizing the risk of opportunistic infection. Nonetheless, viral infections, which can occur at any stage of the post-transplant period, remain a clinical challenge that negatively impacts both patient and graft outcomes. This review offers an overview of the most relevant viral infections in the SOT population, with a focus on herpesviruses (cytomegalovirus, Epstein-Barr virus, varicella-zoster virus, and herpes simplex virus 1 and 2) and polyomaviruses (human BK polyomavirus). In addition, the currently recommended prophylactic and treatment approaches are summarized, as well as the new antiviral agents in different phases of clinical development.
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Affiliation(s)
- Jose Tiago Silva
- Unit of Infectious Diseases, Hospital Universitario "12 de Octubre", Instituto de Investigación Hospital "12 de Octubre" (imas12), School of Medicine, Universidad Complutense, Madrid, Spain
| | - Mario Fernández-Ruiz
- Unit of Infectious Diseases, Hospital Universitario "12 de Octubre", Instituto de Investigación Hospital "12 de Octubre" (imas12), School of Medicine, Universidad Complutense, Madrid, Spain
| | - José María Aguado
- Unit of Infectious Diseases, Hospital Universitario "12 de Octubre", Instituto de Investigación Hospital "12 de Octubre" (imas12), School of Medicine, Universidad Complutense, Madrid, Spain.
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20
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Blew KH, Chua A, Foreman J, Gbadegesin R, Jackson A, Nagaraj S, Sadun R, Wigfall D, Kirk AD, Chambers ET. Tailored use of belatacept in adolescent kidney transplantation. Am J Transplant 2020; 20:884-888. [PMID: 31550421 DOI: 10.1111/ajt.15611] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/08/2019] [Accepted: 09/03/2019] [Indexed: 01/25/2023]
Abstract
Adolescent transplant recipients are at risk for nonadherence, development of de novo donor-specific antibody (dnDSA), and allograft loss. Belatacept, a selective T cell costimulatory blocker, is associated with reduced dnDSA, improved renal function, and prolonged allograft survival when compared to calcineurin inhibitor-based regimens in adults; however, its use in children is scant. Three adolescents were initiated on belatacept between August 2017 and September 2018 at the time of kidney transplantation. Selection criteria included age ≥ 14 and EBV IgG + serostatus. Intraoperative alemtuzumab and methylprednisolone were given as induction therapy. Tailored maintenance therapy included steroid-free belatacept and sirolimus for two patients. One patient was initially maintained steroid-free on belatacept and belimumab, an inhibitor of B cell activating factor to treat concurrent systemic lupus erythematous; steroids were added subsequently. Renal function, biopsy-proven rejection, dnDSA, allograft survival, infection, nonadherence, and proteinuria were monitored. Renal function was 86, 73, 52 mL/min/1.73 m2 at 20, 20, and 8 months, respectively. There was 100% adherence to therapy and no development of dnDSA. All patients had treatable infections. One developed steroid-responsive acute cellular rejection. Belatacept-based regimens can be tailored for adolescent recipients with good short-term clinical outcomes.
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Affiliation(s)
- Kathryn H Blew
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
| | - Annabelle Chua
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
| | - John Foreman
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
| | - Rasheed Gbadegesin
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
| | - Annette Jackson
- Department of Surgery, Duke University Medical Center, Durham, North Carolina
| | - Shashi Nagaraj
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
| | - Rebecca Sadun
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina.,Department of Medicine, Duke University Medical Center, Durham, North Carolina
| | - Del Wigfall
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
| | - Allan D Kirk
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina.,Department of Surgery, Duke University Medical Center, Durham, North Carolina
| | - Eileen T Chambers
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina
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21
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Switching renal transplant recipients to belatacept therapy: results of a real-life gradual conversion protocol. Transpl Immunol 2019; 56:101207. [PMID: 31071442 DOI: 10.1016/j.trim.2019.04.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/18/2019] [Accepted: 04/26/2019] [Indexed: 01/30/2023]
Abstract
Conversion to belatacept immunosuppression is a therapeutic option for renal-transplant recipients with calcineurin inhibitors (CNI) toxicity, but it associates with high risk of acute rejection. Gradual conversion and serial immune monitoring with urinary chemokine CXCL9 may allow increasing safety of this maneuver. We converted kidney transplant recipients with signs of toxicity to CNI or other immunosuppressive drugs to belatacept over a 2-month period. We monitored renal function, metabolic profile, and circulating lymphocyte subsets. We also quantified urinary CXCL9 over a 12-month follow-up period. Between September 2016 and March 2017, 35 patients were successfully switched to belatacept immunosuppression at 3.3 (1.3-7.2) years after transplant. Two patients had a reversible rise in serum creatinine, associated with acute rejection in one case. Urinary CXCL9 increased before serum creatinine. After conversion, blood pressure and HbA1c significantly declined while eGFR and proteinuria remained stable. The percentage of circulating effector T cells and memory B cells significantly declined. Conversion from CNI to belatacept, in this setting, was feasible and safe, provided it was performed over a 2-month time-period. Monitoring urinary CXCL9 may further increase safety through earlier identification of patients at risk for acute rejection. The procedure associates with improved blood pressure, metabolic profile, and reduced circulating effector T and B cells.
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22
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Abstract
Kidney transplantation (KT) is the most effective way to decrease the high morbidity and mortality of patients with end-stage renal disease. However, KT does not completely reverse the damage done by years of decreased kidney function and dialysis. Furthermore, new offending agents (in particular, immunosuppression) added in the post-transplant period increase the risk of complications. Cardiovascular (CV) disease, the leading cause of death in KT recipients, warrants pre-transplant screening based on risk factors. Nevertheless, the screening methods currently used have many shortcomings and a perfect screening modality does not exist. Risk factor modification in the pre- and post-transplant periods is of paramount importance to decrease the rate of CV complications post-transplant, either by lifestyle modification (for example, diet, exercise, and smoking cessation) or by pharmacological means (for example, statins, anti-hyperglycemics, and so on). Post-transplantation diabetes mellitus (PTDM) is a major contributor to mortality in this patient population. Although tacrolimus is a major contributor to PTDM development, changes in immunosuppression are limited by the higher risk of rejection with other agents. Immunosuppression has also been implicated in higher risk of malignancy; therefore, proper cancer screening is needed. Cancer immunotherapy is drastically changing the way certain types of cancer are treated in the general population; however, its use post-transplant is limited by the risk of allograft rejection. As expected, higher risk of infections is also encountered in transplant recipients. When caring for KT recipients, special attention is needed in screening methods, preventive measures, and treatment of infection with BK virus and cytomegalovirus. Hepatitis C virus infection is common in transplant candidates and in the deceased donor pool; however, newly developed direct-acting antivirals have been proven safe and effective in the pre- and post-transplant periods. The most important and recent developments on complications following KT are reviewed in this article.
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Affiliation(s)
- Abraham Cohen-Bucay
- Department of Nephrology and Mineral Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, 14080, Mexico.,Nephrology Department, American British Cowdray Medical Center, Mexico City, 05300, Mexico
| | - Craig E Gordon
- Division of Nephrology, Tufts Medical Center, Boston, MA, 02111, USA
| | - Jean M Francis
- Renal Section, Boston University Medical Center, Boston, MA, 02118, USA
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23
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Abstract
Posttransplant malignancy is a leading cause of death after solid organ transplantation (SOT). Recipients of SOT are at significantly higher risk of multiple cancers compared with the general population, most notably nonmelanoma skin cancer and posttransplant lymphoproliferative disorders. Risk factors for posttransplant malignancy include history of malignancy, immunosuppression, oncogenic viral infections, sun exposure, and disease-specific associations. Early detection and treatment of malignancies can improve survival.
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24
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Noreña I, Fernández-Ruiz M, Aguado JM. Viral infections in the biologic therapy era. Expert Rev Anti Infect Ther 2018; 16:781-791. [PMID: 30198355 DOI: 10.1080/14787210.2018.1521270] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION The development of biologic therapies for treating patients with rheumatic, hematologic, or oncological diseases has increased in the last few years, spreading their use in clinical practice. Areas covered: Clinical experience has evidenced substantial risks for some viral infections and/or reactivations such as viral hepatitis, herpetic infections, and other viruses, as a consequence of specific immune pathway blockages. Biological therapies produce a variable risk of reactivation of viral infections, which is particularly uncertain in the case of the most recently introduced agents. Here we make an extensive review of the viral infections associated with the use of biological drugs and provide a series of recommendations for its prevention and management. Expert commentary: To prevent these infections/reactivations, the practitioner must be aware of the infection-risk profile, performing accurate screening during and after the use of any biologic agent. In some instances, expert recommendations are made for some therapies, while in other scenarios recommendations have not yet been defined making experimental and clinical research an essential approach to elucidate multiple issues yet not resolved in this field.
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Affiliation(s)
- Ivan Noreña
- a Infectious Diseases Unit , Fundación Cardioinfantil-Instituto de Cardiología , Bogotá , Colombia.,b Infectious Diseases Unit , Clínica los Nogales , Bogotá , Colombia
| | - Mario Fernández-Ruiz
- c Infectious Diseases Unit , Hospital Universitario 12 de Octubre , Madrid , Spain.,d Instituto de Investigación Hospital "12 de Octubre" (i+12), School of Medicine , Universidad Complutense , Madrid , Spain
| | - José María Aguado
- c Infectious Diseases Unit , Hospital Universitario 12 de Octubre , Madrid , Spain.,d Instituto de Investigación Hospital "12 de Octubre" (i+12), School of Medicine , Universidad Complutense , Madrid , Spain
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25
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Krisl JC, Doan VP. Chemotherapy and Transplantation: The Role of Immunosuppression in Malignancy and a Review of Antineoplastic Agents in Solid Organ Transplant Recipients. Am J Transplant 2017; 17:1974-1991. [PMID: 28394486 DOI: 10.1111/ajt.14238] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 02/07/2017] [Accepted: 02/11/2017] [Indexed: 01/25/2023]
Abstract
It is estimated that solid organ transplant recipients have a two- to fourfold greater overall risk of malignancy than the general population. Some of the most common malignancies after transplant include skin cancers and posttransplant lymphoproliferative disorder. In addition to known risk factors such as environmental exposures, genetics, and infection with oncogenic viruses, immunosuppression plays a large role in the development of cancer through the loss of the immunosurveillance process. The purpose of this article is to explain the role of immunosuppression in cancer and to review the classes of chemotherapeutics. The field of anticancer drugs is continually expanding and developing, with limited data on use in transplant recipients. This article aims to provide information on class review, adverse effects, dose adjustments, and drug interactions that are pertinent to the care of transplant recipients.
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Affiliation(s)
- J C Krisl
- Houston Methodist Hospital, Houston, TX
| | - V P Doan
- The University of Texas MD Anderson Cancer Center, Houston, TX
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26
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Maylin S, Feghoul L, Salmona M, Herda A, Mercier-Delarue S, Simon F, Legoff J. Evaluation the Architect EBV VCA IgM, VCA IgG, and EBNA-1 IgG chemiluminescent immunoassays to assess EBV serostatus prior transplantation. J Med Virol 2017; 89:2003-2010. [PMID: 28661055 DOI: 10.1002/jmv.24889] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 06/10/2017] [Indexed: 11/11/2022]
Abstract
Prior to transplantation of hematopoietic stem cells or solid organ, donor and recipient EBV serostatus has to be determined to assess risks of post-transplant lymphoproliferative disorders. Sensitivity of EBV Viral capsid antigens (VCA) IgG and EBV nuclear antigen-1 (EBNA-1) is critical to define past infection and a good specificity of VCA IgM is required to avoid any disqualification of cord blood (CB) units. Architect™ EBV antibody panel (Architect assay) providing a high throughput was compared to a semi-automated ELISA (Etimax assays Diasorin) to assess sensitivities and specificities of VCA and EBNA-1 IgG and VCA IgM on 419 sera collected from immunocompromised patients (n = 184) and from pregnant women who agreed to give CB cells (n = 235). Intra and inter-assay coefficient of variations ranged from 1.63% to 4.8% for VCA IgM, VCA IgG, and EBNA-1 IgG. Index of VCA IgG and IgM and EBNA IgG of the two assays were highly correlated. The concordance in the interpretation between the two assays was moderate for VCA IgM (kappa = 0.5), substantial for VCA IgG (kappa = 0.60) and good for EBNA-1 IgG (kappa = 0.75). Using serial dilutions of positive controls and in accordance with clinical results VCA IgG and EBNA IgG were detected at lower dilutions with Architect than Etimax. Conversely, 96.1% (74/77) of samples negative with Architect and positive with Etimax for VCA IgM did not have any heterophile antibodies and had VCA IgG and EBNA IgG antibodies supporting past infections. Architect™ EBV serology panel provided good sensitivities and specificities for EBV serostatus determination prior to transplantation.
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Affiliation(s)
- Sarah Maylin
- APHP, Microbiology laboratory, Hôpital Saint-Louis, Paris, France
| | - Linda Feghoul
- APHP, Microbiology laboratory, Hôpital Saint-Louis, Paris, France
| | - Maud Salmona
- APHP, Microbiology laboratory, Hôpital Saint-Louis, Paris, France.,Paris Diderot University, Pres Sorbone Paris Cité, Paris, France
| | - Adel Herda
- APHP, Microbiology laboratory, Hôpital Saint-Louis, Paris, France
| | | | - François Simon
- APHP, Microbiology laboratory, Hôpital Saint-Louis, Paris, France.,Paris Diderot University, Pres Sorbone Paris Cité, Paris, France
| | - Jérôme Legoff
- APHP, Microbiology laboratory, Hôpital Saint-Louis, Paris, France.,Paris Diderot University, Pres Sorbone Paris Cité, Paris, France
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27
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Daunting but Worthy Goal: Reducing the De Novo Cancer Incidence After Transplantation. Transplantation 2017; 100:2569-2583. [PMID: 27861286 DOI: 10.1097/tp.0000000000001428] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Solid-organ transplant recipients are at increased risk of developing de novo malignancies compared with the general population, and malignancies become a major limitation in achieving optimal outcomes. The prevention and the management of posttransplant malignancies must be considered as a main goal in our transplant programs. For these patients, immunosuppression plays a major role in oncogenesis by both impairement of immunosurveillance, enhancement of chronic viral infection, and by direct prooncogenic effects. It is essential to manage the recipient with a long-term adapted screening program beginning before transplantation to use a prophylaxis to decrease infection-related cancer, to propose a viral monitoring, and to modulate the immunosuppression toward lower doses especially for calcineurin inhibitors. Indeed, strategies to induce tolerance or to allow a dramatic reduction of the immunosuppression burden are the more promising approaches for the reduction of the posttransplant malignancies.
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28
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Kumar D, LeCorchick S, Gupta G. Belatacept As an Alternative to Calcineurin Inhibitors in Patients with Solid Organ Transplants. Front Med (Lausanne) 2017; 4:60. [PMID: 28580358 PMCID: PMC5437176 DOI: 10.3389/fmed.2017.00060] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 05/01/2017] [Indexed: 12/28/2022] Open
Abstract
The goal of immunosuppression in transplantation has shifted to improving long-term outcomes, reducing drug-induced toxicities while preserving the already excellent short-term outcomes. Long-term gains in solid organ transplantation have been limited at least partly due to the nephrotoxicity and metabolic side effects of calcineurin inhibitors (CNIs). The alloimmune response requires activation of the costimulatory pathway for T cell proliferation and amplification. Belatacept is a molecule that selectively blocks T cell costimulation. In June 2011, the U.S. Food and Drug Administration approved it for maintenance immunosuppression in kidney transplantation based on two open-label, randomized, phase III trials. Since its introduction, belatacept has shown promise in both short- and long-term renal transplant outcomes in several other trials. It exhibits a superior side effect profile compared to CNIs with a comparable efficacy. Across all solid organ transplants, the burden of chronic kidney disease, its associated cardiovascular morbidity, mortality, and inferior patient/allograft survival is a well-documented problem. In this review, we aim to discuss the evidence behind the use of belatacept in solid organ transplants as an effective alternative to CNIs for renal rescue in patients with acute and/or chronic kidney injury.
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Affiliation(s)
- Dhiren Kumar
- Division of Nephrology, Virginia Commonwealth University, Richmond, VA, USA
| | - Spencer LeCorchick
- Division of Transplant Surgery, Virginia Commonwealth University, Richmond, VA, USA
| | - Gaurav Gupta
- Division of Nephrology, Virginia Commonwealth University, Richmond, VA, USA
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29
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Lu M, Ho J, Azordegan N, Perry AM, Gibson IW, Baker P. Atypical cells in a voided urine cytology specimen in a renal transplant recipient. Diagn Cytopathol 2016; 45:69-72. [DOI: 10.1002/dc.23602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 08/12/2016] [Accepted: 08/22/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Miao Lu
- Department of Pathology; University of Manitoba; Winnipeg Manitoba Canada
| | - Julie Ho
- Department of Internal Medicine, Section of Nephrology & Biomedical Proteomics; University of Manitoba; Winnipeg Manitoba Canada
- Department of Immunology; University of Manitoba; Winnipeg Manitoba Canada
| | - Nazila Azordegan
- Department of Pathology; University of Manitoba; Winnipeg Manitoba Canada
| | - Anamarija M. Perry
- Department of Pathology; University of Manitoba; Winnipeg Manitoba Canada
| | - Ian W. Gibson
- Department of Pathology; University of Manitoba; Winnipeg Manitoba Canada
| | - Patricia Baker
- Department of Pathology; University of Manitoba; Winnipeg Manitoba Canada
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30
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Poirier N, Chevalier M, Mary C, Hervouet J, Minault D, Baker P, Ville S, Le Bas-Bernardet S, Dilek N, Belarif L, Cassagnau E, Scobie L, Blancho G, Vanhove B. Selective CD28 Antagonist Blunts Memory Immune Responses and Promotes Long-Term Control of Skin Inflammation in Nonhuman Primates. THE JOURNAL OF IMMUNOLOGY 2015; 196:274-83. [PMID: 26597009 DOI: 10.4049/jimmunol.1501810] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 10/28/2015] [Indexed: 11/19/2022]
Abstract
Novel therapies that specifically target activation and expansion of pathogenic immune cell subsets responsible for autoimmune attacks are needed to confer long-term remission. Pathogenic cells in autoimmunity include memory T lymphocytes that are long-lived and present rapid recall effector functions with reduced activation requirements. Whereas the CD28 costimulation pathway predominantly controls priming of naive T cells and hence generation of adaptive memory cells, the roles of CD28 costimulation on established memory T lymphocytes and the recall of memory responses remain controversial. In contrast to CD80/86 antagonists (CTLA4-Ig), selective CD28 antagonists blunt T cell costimulation while sparing CTLA-4 and PD-L1-dependent coinhibitory signals. Using a new selective CD28 antagonist, we showed that Ag-specific reactivation of human memory T lymphocytes was prevented. Selective CD28 blockade controlled both cellular and humoral memory recall in nonhuman primates and induced long-term Ag-specific unresponsiveness in a memory T cell-mediated inflammatory skin model. No modification of memory T lymphocytes subsets or numbers was observed in the periphery, and importantly no significant reactivation of quiescent viruses was noticed. These findings indicate that pathogenic memory T cell responses are controlled by both CD28 and CTLA-4/PD-L1 cosignals in vivo and that selectively targeting CD28 would help to promote remission of autoimmune diseases and control chronic inflammation.
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Affiliation(s)
- Nicolas Poirier
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Effimune, 44000 Nantes, France
| | - Melanie Chevalier
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Centre Hospitalier Universitaire, 44000 Nantes, France; and
| | - Caroline Mary
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Effimune, 44000 Nantes, France
| | - Jeremy Hervouet
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France
| | - David Minault
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France
| | - Paul Baker
- Department of Life Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
| | - Simon Ville
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France
| | - Stephanie Le Bas-Bernardet
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Centre Hospitalier Universitaire, 44000 Nantes, France; and
| | - Nahzli Dilek
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Effimune, 44000 Nantes, France
| | - Lyssia Belarif
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Effimune, 44000 Nantes, France
| | | | - Linda Scobie
- Department of Life Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
| | - Gilles Blancho
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Centre Hospitalier Universitaire, 44000 Nantes, France; and
| | - Bernard Vanhove
- INSERM UMR 1064, Institut de Transplantation Urologie Néphrologie, Université de Nantes, 44000 Nantes, France; Effimune, 44000 Nantes, France;
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31
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Malvezzi P, Rostaing L. The safety of calcineurin inhibitors for kidney-transplant patients. Expert Opin Drug Saf 2015; 14:1531-46. [DOI: 10.1517/14740338.2015.1083974] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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