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Abbas F, Abbas SF. De Novo and Recurrent Thrombotic Microangiopathy After Renal Transplantation: Current Concepts in Management. EXP CLIN TRANSPLANT 2021; 20:549-557. [PMID: 34546154 DOI: 10.6002/ect.2021.0069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Thrombotic microangiopathy is a well-recognized complication of kidney transplantation that leads frequently to allograft failure. This serious outcome can greatly depend on the underlying etiology and on the timing of therapeutic interventions. Thrombotic microangiopathy syndrome may occur with no previous history of thrombotic microangiopathy (that is, de novo thrombotic microangiopathy), mostly due to medica tions or infections. More frequently, it may recur after kidney transplant in patients with endstage renal failure due to atypical hemolytic uremic syndrome. However, for patients with Shiga-toxininduced hemolytic uremic syndrome, particularly pediatric patients, there is a favorable prognosis. A fundamental tool for management of this disease is genetic screening for abnormal mutations; this can recognize the suggested approach of therapy and may determine the outcome of the disease to a large extent. Although patients with complement factor H and I mutations have worse prognosis, other patients with membrane cofactor protein mutations, for example, have a more favorable prognosis. Accordingly, the plan of therapy can be tailored with a better chance of cure. Unfortunately, the successful use of the biological agent eculizumab, an anti-C5 agent, in some of these syndromes is largely impeded by its high cost, which is linked to its use as a life-long therapy. However, newly suggested therapeutic options may ameliorate this drawback.
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Affiliation(s)
- Fedaei Abbas
- From the Nephrology Department, Jaber El Ahmed Military Hospital, Safat, Kuwait.,the Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool, United Kingdom
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2
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Gabr JB, Bilal H, Mirchia K, Perl A. The Use of Eculizumab in Tacrolimus-Induced Thrombotic Microangiopathy. J Investig Med High Impact Case Rep 2021; 8:2324709620947266. [PMID: 32757799 PMCID: PMC7412890 DOI: 10.1177/2324709620947266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Drug-induced thrombotic microangiopathy (DITMA) is a secondary cause of thrombotic microangiopathy and a potentially fatal inflammatory disease. DITMA has been attributed to a variety of drugs, particularly chemotherapeutic and immunosuppressive agents. Prompt diagnosis is critical for survival and treatment necessitates withdrawal of the offending drug; however, many cases require further treatment including plasmapheresis, immunosuppression, and anticoagulation. In this article, we report a cutaneous biopsy-proven case of tacrolimus-induced DITMA, which was successfully treated with eculizumab after failing the conventional standard of care.
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Affiliation(s)
| | - Hiba Bilal
- SUNY Upstate Medical University, Syracuse, NY, USA
| | | | - Andras Perl
- SUNY Upstate Medical University, Syracuse, NY, USA
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Aleš Rigler A, Večerić-Haler Ž, Arnol M, Perše M, Boštjančič E, Pleško J, Simčič S, Kojc N. Exploring the role of the complement system, endothelial injury, and microRNAs in thrombotic microangiopathy after kidney transplantation. J Int Med Res 2021; 48:300060520980530. [PMID: 33372813 PMCID: PMC7783899 DOI: 10.1177/0300060520980530] [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] [Indexed: 11/16/2022] Open
Abstract
Objective We investigated whether the recipient’s complement system function, kidney
graft endothelial ultrastructural injury, and microRNA (miRNA) expression
before transplantation may be associated with the risk of posttransplant
de novo thrombotic microangiopathy (TMA). Methods Complement system function assessment, histological and ultrastructural
examination of preimplantation and kidney graft biopsies, and microRNA
assessment were performed on kidney transplant recipients (KTRs) with
de novo TMA. Results On the basis of the clinical course, histological findings, and miRNA
patterns, the following two de novo TMA phenotypes were
observed: a self-limiting disease that was localized to the kidney graft and
a systemic disease that progressed to graft failure without timely
treatment. Decreased alternative complement pathway activity and
ultrastructural endothelial injury before transplantation were confirmed in
all five KTRs and four of five KTRs, respectively, but they did not
correlate with de novo TMA severity. Conclusions Alternative complement pathway abnormalities in KTRs and endothelial
ultrastructural injury on preimplantation biopsy might be associated with
de novo posttransplant TMA, although they did not
predict posttransplant TMA severity (localized vs.
systemic). The specific miRNA expression patterns in preimplantation kidney
graft biopsies demonstrated a borderline statistically significant
difference and might provide more accurate information on posttransplant TMA
severity.
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Affiliation(s)
| | - Željka Večerić-Haler
- Department of Nephrology, University Medical Centre Ljubljana, Slovenia.,Department of Internal Medicine, Faculty of Medicine, University of Ljubljana, Slovenia
| | - Miha Arnol
- Department of Nephrology, University Medical Centre Ljubljana, Slovenia.,Department of Internal Medicine, Faculty of Medicine, University of Ljubljana, Slovenia
| | - Martina Perše
- Medical Experimental Centre, Faculty of Medicine, University of Ljubljana, Slovenia
| | - Emanuela Boštjančič
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Slovenia
| | - Jerica Pleško
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Slovenia
| | - Saša Simčič
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Slovenia
| | - Nika Kojc
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Slovenia
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Ávila A, Gavela E, Sancho A. Thrombotic Microangiopathy After Kidney Transplantation: An Underdiagnosed and Potentially Reversible Entity. Front Med (Lausanne) 2021; 8:642864. [PMID: 33898482 PMCID: PMC8063690 DOI: 10.3389/fmed.2021.642864] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/22/2021] [Indexed: 01/25/2023] Open
Abstract
Thrombotic microangiopathy is a rare but serious complication that affects kidney transplant recipients. It appears in 0.8–14% of transplanted patients and negatively affects graft and patient survival. It can appear in a systemic form, with hemolytic microangiopathic anemia, thrombocytopenia, and renal failure, or in a localized form, with progressive renal failure, proteinuria, or arterial hypertension. Post-transplant thrombotic microangiopathy is classified as recurrent atypical hemolytic uremic syndrome or de novo thrombotic microangiopathy. De novo thrombotic microangiopathy accounts for the majority of cases. Distinguishing between the 2 conditions can be difficult, given there is an overlap between them. Complement overactivation is the cornerstone of all post-transplant thrombotic microangiopathies, and has been demonstrated in the context of organ procurement, ischemia-reperfusion phenomena, immunosuppressive drugs, antibody-mediated rejection, viral infections, and post-transplant relapse of antiphospholipid antibody syndrome. Although treatment of the causative agents is usually the first line of treatment, this approach might not be sufficient. Plasma exchange typically resolves hematologic abnormalities but does not improve renal function. Complement blockade with eculizumab has been shown to be an effective therapy in post-transplant thrombotic microangiopathy, but it is necessary to define which patients can benefit from this therapy and when and how eculizumab should be used.
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Affiliation(s)
- Ana Ávila
- Nephrology Department, University Hospital Dr. Peset, Valencia, Spain
| | - Eva Gavela
- Nephrology Department, University Hospital Dr. Peset, Valencia, Spain
| | - Asunción Sancho
- Nephrology Department, University Hospital Dr. Peset, Valencia, Spain
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Infectious Risks Associated with Biologics Targeting Janus Kinase-Signal Transducer and Activator of Transcription Signaling and Complement Pathway for Inflammatory Diseases. Infect Dis Clin North Am 2021; 34:271-310. [PMID: 32444011 DOI: 10.1016/j.idc.2020.02.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The recognition of the role of complement and Janus kinase (JAK)-dependent cytokines in the pathogenesis of inflammatory and immune-mediated disorders has revolutionized the treatment of a myriad of rheumatological and inflammatory diseases. C5 inhibitors and Janus kinase inhibitors have emerged as attractive therapeutic options. Because of the blockage of immune pathways, these targeted therapies carry an increased risk of infection. This article reviews the mechanism of action and the approved and off-label indications of the agents with most clinical experience within this drug classes. It discusses the associated risks of infection, proposing screening, prevention, and risk mitigation strategies.
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Wijnsma KL, Duineveld C, Wetzels JFM, van de Kar NCAJ. Eculizumab in atypical hemolytic uremic syndrome: strategies toward restrictive use. Pediatr Nephrol 2019; 34:2261-2277. [PMID: 30402748 PMCID: PMC6794245 DOI: 10.1007/s00467-018-4091-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 09/14/2018] [Accepted: 09/17/2018] [Indexed: 12/19/2022]
Abstract
With the introduction of the complement C5-inhibitor eculizumab, a new era was entered for patients with atypical hemolytic uremic syndrome (aHUS). Eculizumab therapy very effectively reversed thrombotic microangiopathy and reduced mortality and morbidity. Initial guidelines suggested lifelong treatment and recommended prophylactic use of eculizumab in aHUS patients receiving a kidney transplant. However, there is little evidence to support lifelong therapy or prophylactic treatment in kidney transplant recipients. Worldwide, there is an ongoing debate regarding the optimal dose and duration of treatment, particularly in view of the high costs and potential side effects of eculizumab. An increasing but still limited number of case reports and small cohort studies suggest that a restrictive treatment regimen is feasible. We review the current literature and focus on the safety and efficacy of restrictive use of eculizumab. Our current treatment protocol is based on restrictive use of eculizumab. Prospective monitoring will provide more definite proof of the feasibility of such restrictive treatment.
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Affiliation(s)
- Kioa L. Wijnsma
- Radboud Institute for Molecular Life Sciences, Amalia Children’s Hospital, Department of Pediatric Nephrology, Radboud University Medical Center, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands
| | - Caroline Duineveld
- Radboud Institute for Molecular Life Sciences, Amalia Children’s Hospital, Department of Pediatric Nephrology, Radboud University Medical Center, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands ,Department of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jack F. M. Wetzels
- Department of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Nicole C. A. J. van de Kar
- Radboud Institute for Molecular Life Sciences, Amalia Children’s Hospital, Department of Pediatric Nephrology, Radboud University Medical Center, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands
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Abbas F, El Kossi M, Kim JJ, Shaheen IS, Sharma A, Halawa A. Complement-mediated renal diseases after kidney transplantation - current diagnostic and therapeutic options in de novo and recurrent diseases. World J Transplant 2018; 8:203-219. [PMID: 30370231 PMCID: PMC6201327 DOI: 10.5500/wjt.v8.i6.203] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 08/09/2018] [Accepted: 08/28/2018] [Indexed: 02/05/2023] Open
Abstract
For decades, kidney diseases related to inappropriate complement activity, such as atypical hemolytic uremic syndrome and C3 glomerulopathy (a subtype of membranoproliferative glomerulonephritis), have mostly been complicated by worsened prognoses and rapid progression to end-stage renal failure. Alternative complement pathway dysregulation, whether congenital or acquired, is well-recognized as the main driver of the disease process in these patients. The list of triggers include: surgery, infection, immunologic factors, pregnancy and medications. The advent of complement activation blockade, however, revolutionized the clinical course and outcome of these diseases, rendering transplantation a viable option for patients who were previously considered as non-transplantable cases. Several less-costly therapeutic lines and likely better efficacy and safety profiles are currently underway. In view of the challenging nature of diagnosing these diseases and the long-term cost implications, a multidisciplinary approach including the nephrologist, renal pathologist and the genetic laboratory is required to help improve overall care of these patients and draw the optimum therapeutic plan.
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Affiliation(s)
- Fedaey Abbas
- Nephrology Department, Jaber El Ahmed Military Hospital, Safat 13005, Kuwait
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
| | - Mohsen El Kossi
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Doncaster Royal Infirmary, Doncaster DN2 5LT, United Kingdom
| | - Jon Jin Kim
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Nottingham Children Hospital, Nottingham NG7 2UH, United Kingdom
| | - Ihab Sakr Shaheen
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Royal Hospital for Children, Glasgow G51 4TF, United Kingdom
| | - Ajay Sharma
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Royal Liverpool University Hospitals, Liverpool L7 8XP, United Kingdom
| | - Ahmed Halawa
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Sheffield Teaching Hospitals, Sheffield S57AU, United Kingdom
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Abbas F, El Kossi M, Kim JJ, Sharma A, Halawa A. Thrombotic microangiopathy after renal transplantation: Current insights in de novo and recurrent disease. World J Transplant 2018; 8:122-141. [PMID: 30211021 PMCID: PMC6134269 DOI: 10.5500/wjt.v8.i5.122] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 06/26/2018] [Accepted: 07/10/2018] [Indexed: 02/05/2023] Open
Abstract
Thrombotic microangiopathy (TMA) is one of the most devastating sequalae of kidney transplantation. A number of published articles have covered either de novo or recurrent TMA in an isolated manner. We have, hereby, in this article endeavored to address both types of TMA in a comparative mode. We appreciate that de novo TMA is more common and its prognosis is poorer than recurrent TMA; the latter has a genetic background, with mutations that impact disease behavior and, consequently, allograft and patient survival. Post-transplant TMA can occur as a recurrence of the disease involving the native kidney or as de novo disease with no evidence of previous involvement before transplant. While atypical hemolytic uremic syndrome is a rare disease that results from complement dysregulation with alternative pathway overactivity, de novo TMA is a heterogenous set of various etiologies and constitutes the vast majority of post-transplant TMA cases. Management of both diseases varies from simple maneuvers, e.g., plasmapheresis, drug withdrawal or dose modification, to lifelong complement blockade, which is rather costly. Careful donor selection and proper recipient preparation, including complete genetic screening, would be a pragmatic approach. Novel therapies, e.g., purified products of the deficient genes, though promising in theory, are not yet of proven value.
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Affiliation(s)
- Fedaey Abbas
- Nephrology Department, Jaber El Ahmed Military Hospital, Safat 13005, Kuwait
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
| | - Mohsen El Kossi
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Doncaster Renal Unit, Doncaster Royal Infirmary, Doncaster DN2 5LT, United Kingdom
| | - Jon Jin Kim
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Nottingham Children Hospital, Nottingham NG7 2UH, United Kingdom
| | - Ajay Sharma
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Transplant Surgery, Royal Liverpool University Hospitals, Liverpool UK L7 8XP, United Kingdom
| | - Ahmed Halawa
- Faculty of Health and Science, University of Liverpool, Institute of Learning and Teaching, School of Medicine, Liverpool L69 3GB, United Kingdom
- Department of Transplantation Surgery, Sheffield Teaching Hospitals, Sheffield S57AU, United Kingdom
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Garg N, Rennke HG, Pavlakis M, Zandi-Nejad K. De novo thrombotic microangiopathy after kidney transplantation. Transplant Rev (Orlando) 2017; 32:58-68. [PMID: 29157988 DOI: 10.1016/j.trre.2017.10.001] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Revised: 10/22/2017] [Accepted: 10/23/2017] [Indexed: 12/14/2022]
Abstract
Thrombotic microangiopathy (TMA) is a serious complication of transplantation that adversely affects kidney transplant recipient and allograft survival. Post-transplant TMA is usually classified into two categories: 1) recurrent TMA and 2) de novo TMA. Atypical hemolytic uremic syndrome (aHUS) resulting from dysregulation and over-activation of the alternate complement pathway is a rare disease but the most common diagnosis associated with recurrence in the allografts. De novo TMA, on the other hand, represents an overwhelming majority of the cases of post-transplant TMA and is a substantially more heterogeneous entity than recurrent aHUS. Here, we review the etio-pathogenesis, diagnosis and treatment options for de novo post-transplant TMA. It is usually in the setting of calcineurin inhibitor use, mammalian target of rapamycin inhibitor use, or antibody mediated rejection; recently genetic mutations in complement regulatory genes for Factor H and Factor I similar to those described in aHUS have been reported in up to a third of these patients. Systemic signs of TMA are frequently absent, and a renal allograft biopsy is often needed to establish the diagnosis. Although withdrawal of the offending agents is usually the first line of treatment and resolution of laboratory abnormalities has been documented with this approach in several case reports and case series, available retrospective data demonstrate lack of benefit in long-term graft outcomes. Co-stimulation blockage with belatacept provides an effective alternate immunosuppressive strategy for these patients. Anti-complement therapy with eculizumab is effective in some cases; further work is required to define which patients with TMA (with and without concomitant antibody-mediated rejection) would benefit from receiving this treatment, and what biomarkers can be used to identify them.
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Affiliation(s)
- Neetika Garg
- Department of Medicine, Nephrology Division, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States.
| | - Helmut G Rennke
- Department of Pathology, Brigham and Women's Hospital/Harvard Medical School, Boston, MA 02115, United States
| | - Martha Pavlakis
- Department of Medicine, Nephrology Division, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States
| | - Kambiz Zandi-Nejad
- Department of Medicine, Nephrology Division, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States
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