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Kanbay M, Copur S, Mizrak B, Mallamaci F, Zoccali C. Mineralocorticoid receptor antagonists in kidney transplantation. Eur J Clin Invest 2024; 54:e14206. [PMID: 38578116 DOI: 10.1111/eci.14206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/16/2024] [Accepted: 03/19/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND The fundamental role of the renin-angiotensin-aldosterone system in the pathophysiology of chronic kidney disease, congestive heart failure, hypertension and proteinuria is well established in pre-clinical and clinical studies. Mineralocorticoid receptor antagonists are among the primary options for renin-angiotensin-aldosterone system blockage, along with angiotensin-converting enzyme inhibitors and angiotensin receptor blockers. METHODS In this narrative review, we aim to evaluate the efficiency and safety of mineralocorticoid receptor antagonists in kidney transplant recipients, including the potential underlying pathophysiology. RESULTS The efficiency and safety of mineralocorticoid receptor antagonists in managing chronic kidney disease and proteinuria, either non-nephrotic or nephrotic range, have been demonstrated among nontransplanted patients, though studies investigating the role of mineralocorticoid receptor antagonists among kidney transplant recipients are scarce. Nevertheless, promising results have been reported in pre-clinical and clinical studies among kidney transplant recipients regarding the role of mineralocorticoid receptor antagonists in terms of ischaemia-reperfusion injury, proteinuria, or calcineurin inhibitor-mediated nephrotoxicity without considerable adverse events such as hypotension, hyperkalaemia or worsening renal functions. CONCLUSION Even though initial results regarding the role of mineralocorticoid receptor antagonist therapy for kidney transplant recipients are promising, there is clear need for large-scale randomized clinical trials with long-term follow-up data.
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Affiliation(s)
- Mehmet Kanbay
- Division of Nephrology, Department of Internal Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Sidar Copur
- Department of Internal Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Berk Mizrak
- Department of Internal Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Francesca Mallamaci
- Nephrology, Dialysis and Transplantation Unit Azienda Ospedaliera "Bianchi-Melacrino-Morelli" & CNR-IFC, Institute of Clinical Physiology, Research Unit of Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension of Reggio Calabria, Reggio Calabria, Italy
| | - Carmine Zoccali
- Renal Research Institute, New York, New York, USA
- Associazione Ipertensione Nefrologia Trapianto Renal (IPNET), Reggio Calabria, Italy
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Natale P, Mooi PK, Palmer SC, Cross NB, Cooper TE, Webster AC, Masson P, Craig JC, Strippoli GF. Antihypertensive treatment for kidney transplant recipients. Cochrane Database Syst Rev 2024; 7:CD003598. [PMID: 39082471 PMCID: PMC11290053 DOI: 10.1002/14651858.cd003598.pub3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/03/2024]
Abstract
BACKGROUND The comparative effects of specific blood pressure (BP) lowering treatments on patient-important outcomes following kidney transplantation are uncertain. Our 2009 Cochrane review found that calcium channel blockers (CCBs) improved graft function and prevented graft loss, while the evidence for other BP-lowering treatments was limited. This is an update of the 2009 Cochrane review. OBJECTIVES To compare the benefits and harms of different classes and combinations of antihypertensive drugs in kidney transplant recipients. SEARCH METHODS We contacted the Information Specialist and searched the Cochrane Kidney and Transplant Register of Studies up to 3 July 2024 using search terms relevant to this review. Studies in the Register were identified through searches of CENTRAL, MEDLINE, EMBASE, conference proceedings, the International Clinical Trials Registry Platform (ICTRP) Search Portal, and ClinicalTrials.gov. SELECTION CRITERIA Randomised controlled trials (RCTs) and quasi-RCTs evaluating any BP-lowering agent in recipients of a functioning kidney transplant for at least two weeks were eligible. DATA COLLECTION AND ANALYSIS Two authors independently assessed the risks of bias and extracted data. Treatment estimates were summarised using the random-effects model and expressed as relative risk (RR) or mean difference (MD) with 95% confidence intervals (CI). Evidence certainty was assessed using Grades of Recommendation, Assessment, Development and Evaluation (GRADE) processes. The primary outcomes included all-cause death, graft loss, and kidney function. MAIN RESULTS Ninety-seven studies (8706 participants) were included. One study evaluated treatment in children. The overall risk of bias was unclear to high across all domains. Compared to placebo or standard care alone, CCBs probably reduce all-cause death (23 studies, 3327 participants: RR 0.83, 95% CI 0.72 to 0.95; I2 = 0%; moderate certainty evidence) and graft loss (24 studies, 3577 participants: RR 0.84, 95% CI 0.75 to 0.95; I2 = 0%; moderate certainty evidence). CCBs may make little or no difference to estimated glomerular filtration rate (eGFR) (11 studies, 2250 participants: MD 1.89 mL/min/1.73 m2, 95% CI -0.70 to 4.48; I2 = 48%; low certainty evidence) and acute rejection (13 studies, 906 participants: RR 10.8, 95% CI 0.85 to 1.35; I2 = 0%; moderate certainty evidence). CCBs may reduce systolic BP (SBP) (3 studies, 329 participants: MD -5.83 mm Hg, 95% CI -10.24 to -1.42; I2 = 13%; low certainty evidence) and diastolic BP (DBP) (3 studies, 329 participants: MD -3.98 mm Hg, 95% CI -5.98 to -1.99; I2 = 0%; low certainty evidence). CCBs have uncertain effects on proteinuria. Compared to placebo or standard care alone, angiotensin-converting-enzyme inhibitors (ACEi) may make little or no difference to all-cause death (7 studies, 702 participants: RR 1.13, 95% CI 0.58 to 2.21; I2 = 0%; low certainty evidence), graft loss (6 studies, 718 participants: RR 0.75, 95% CI 0.49 to 1.13; I2 = 0%; low certainty evidence), eGFR (4 studies, 509 participants: MD -2.46 mL/min/1.73 m2, 95% CI -7.66 to 2.73; I2 = 64%; low certainty evidence) and acute rejection (4 studies, 388 participants: RR 1.75, 95% CI 0.76 to 4.04; I2 = 0%; low certainty evidence). ACEi may reduce proteinuria (5 studies, 441 participants: MD -0.33 g/24 hours, 95% CI -0.64 to -0.01; I2 = 67%; low certainty evidence) but had uncertain effects on SBP and DBP. Compared to placebo or standard care alone, angiotensin receptor blockers (ARB) may make little or no difference to all-cause death (6 studies, 1041 participants: RR 0.69, 95% CI 0.36 to 1.31; I2 = 0%; low certainty evidence), eGRF (5 studies, 300 participants: MD -1.91 mL/min/1.73 m2, 95% CI -6.20 to 2.38; I2 = 57%; low certainty evidence), and acute rejection (4 studies, 323 participants: RR 1.00, 95% CI 0.44 to 2.29; I2 = 0%; low certainty evidence). ARBs may reduce graft loss (6 studies, 892 participants: RR 0.35, 95% CI 0.15 to 0.84; I2 = 0%; low certainty evidence), SBP (10 studies, 1239 participants: MD -3.73 mm Hg, 95% CI -7.02 to -0.44; I2 = 63%; moderate certainty evidence) and DBP (9 studies, 1086 participants: MD -2.75 mm Hg, 95% CI -4.32 to -1.18; I2 = 47%; moderate certainty evidence), but has uncertain effects on proteinuria. The effects of CCBs, ACEi or ARB compared to placebo or standard care alone on cardiovascular outcomes (including fatal or nonfatal myocardial infarction, fatal or nonfatal stroke) or other adverse events were uncertain. The comparative effects of ACEi plus ARB dual therapy, alpha-blockers, and mineralocorticoid receptor antagonists compared to placebo or standard care alone were rarely evaluated. Head-to-head comparisons of ACEi, ARB or thiazide versus CCB, ACEi versus ARB, CCB or ACEi versus alpha- or beta-blockers, or ACEi plus CCB dual therapy versus ACEi or CCB monotherapy were scarce. No studies reported outcome data for cancer or life participation. AUTHORS' CONCLUSIONS For kidney transplant recipients, the use of CCB therapy to reduce BP probably reduces death and graft loss compared to placebo or standard care alone, while ARB may reduce graft loss. The effects of ACEi and ARB compared to placebo or standard care on other patient-centred outcomes were uncertain. The effects of dual therapy, alpha-blockers, and mineralocorticoid receptor antagonists compared to placebo or standard care alone and the comparative effects of different treatments were uncertain.
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Affiliation(s)
- Patrizia Natale
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
- Department of Precision and Regenerative Medicine and Ionian Area (DIMEPRE-J), University of Bari Aldo Moro, Bari, Italy
| | - Pamela Kl Mooi
- Department of Nephrology, Christchurch Hospital, Te Whatu Ora Waitaha Canterbury, Christchurch, New Zealand
| | - Suetonia C Palmer
- Department of Medicine, University of Otago Christchurch, Christchurch, New Zealand
| | - Nicholas B Cross
- Department of Nephrology, Christchurch Hospital, Te Whatu Ora Waitaha Canterbury, Christchurch, New Zealand
- New Zealand Clinical Research, 3/264 Antigua St, Christchurch, New Zealand
| | - Tess E Cooper
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Angela C Webster
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Westmead Applied Research Centre, The University of Sydney at Westmead, Westmead, Australia
- Department of Transplant and Renal Medicine, Westmead Hospital, Westmead, Australia
| | - Philip Masson
- Department of Renal Medicine, Royal Free London NHS Foundation Trust, London, UK
| | - Jonathan C Craig
- Cochrane Kidney and Transplant, Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
- College of Medicine and Public Health, Flinders University, Adelaide, Australia
| | - Giovanni Fm Strippoli
- Department of Precision and Regenerative Medicine and Ionian Area (DIMEPRE-J), University of Bari Aldo Moro, Bari, Italy
- Cochrane Kidney and Transplant, Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
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Mortensen LA, Jespersen B, Helligsoe ASL, Tougaard B, Cibulskyte-Ninkovic D, Egfjord M, Boesby L, Marcussen N, Madsen K, Jensen BL, Petersen I, Bistrup C, Thiesson HC. Effect of Spironolactone on Kidney Function in Kidney Transplant Recipients (the SPIREN trial): A Randomized Placebo-Controlled Clinical Trial. Clin J Am Soc Nephrol 2024; 19:755-766. [PMID: 38416033 PMCID: PMC11168825 DOI: 10.2215/cjn.0000000000000439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 02/21/2024] [Indexed: 02/29/2024]
Abstract
Key Points Spironolactone is safe for kidney transplant patients. Spironolactone reduces kidney function by an acute effect, whereafter it remains stable. Spironolactone does not affect the progression of interstitial fibrosis in protocol biopsies. Background Long-term kidney allograft survival is hampered by progressive interstitial fibrosis and tubular atrophy. The SPIREN trial tested the hypothesis that the mineralocorticoid receptor antagonist spironolactone stabilizes kidney function and attenuates glomerular barrier injury in kidney transplant patients treated with calcineurin inhibitors. Methods We conducted a randomized, placebo-controlled, double-blind clinical trial including 188 prevalent kidney transplant patients. Patients were randomized to spironolactone or placebo for 3 years. GFR was measured along with proteinuria and kidney fibrosis. The primary end point was change in measured GFR. Secondary outcomes were 24-hour proteinuria, kidney allograft fibrosis, and cardiovascular events. Measured GFRs, 24-hour proteinuria, and BP were determined yearly. Kidney biopsies were collected at baseline and after 2 years (n =48). Fibrosis was evaluated by quantitative stereology and classified according to Banff. Results The groups were comparable at baseline except for slightly older allografts in the spironolactone group. Spironolactone reduced measured GFRs (up to –7.6 [95% confidence interval, −10.9 to −4.3] ml/min compared with placebo) independently of time since transplantation and BP with no effect on the kidney function curve over time and reduced 24-hour proteinuria after 1 year. There was no significant effect of spironolactone on the development of interstitial fibrosis. Conclusions Spironolactone added to standard therapy for 3 years in kidney transplant patients did not improve kidney function, long-term proteinuria, or interstitial fibrosis. Clinical Trial registration number NCT01602861 .
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Affiliation(s)
- Line A. Mortensen
- Department of Nephrology, Odense University Hospital, Odense, Denmark
| | - Bente Jespersen
- Department of Nephrology, Aarhus University Hospital, Aarhus, Denmark
| | | | | | | | - Martin Egfjord
- Department of Nephrology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Lene Boesby
- Department of Nephrology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Niels Marcussen
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Kirsten Madsen
- Department of Pathology, Odense University Hospital, Odense, Denmark
- Cardiovascular and Renal Research Unit, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Boye L. Jensen
- Cardiovascular and Renal Research Unit, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Inge Petersen
- Odense University Hospital, OPEN, Open Patient data Explorative Network, Odense, Denmark
| | - Claus Bistrup
- Department of Nephrology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Helle C. Thiesson
- Department of Nephrology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
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4
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Figueroa SM, Bertocchio JP, Nakamura T, El-Moghrabi S, Jaisser F, Amador CA. The Mineralocorticoid Receptor on Smooth Muscle Cells Promotes Tacrolimus-Induced Renal Injury in Mice. Pharmaceutics 2023; 15:pharmaceutics15051373. [PMID: 37242615 DOI: 10.3390/pharmaceutics15051373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
Tacrolimus (Tac) is a calcineurin inhibitor commonly used as an immunosuppressor after solid organ transplantation. However, Tac may induce hypertension, nephrotoxicity, and an increase in aldosterone levels. The activation of the mineralocorticoid receptor (MR) is related to the proinflammatory status at the renal level. It modulates the vasoactive response as they are expressed on vascular smooth muscle cells (SMC). In this study, we investigated whether MR is involved in the renal damage generated by Tac and if the MR expressed in SMC is involved. Littermate control mice and mice with targeted deletion of the MR in SMC (SMC-MR-KO) were administered Tac (10 mg/Kg/d) for 10 days. Tac increased the blood pressure, plasma creatinine, expression of the renal induction of the interleukin (IL)-6 mRNA, and expression of neutrophil gelatinase-associated lipocalin (NGAL) protein, a marker of tubular damage (p < 0.05). Our study revealed that co-administration of spironolactone, an MR antagonist, or the absence of MR in SMC-MR-KO mice mitigated most of the unwanted effects of Tac. These results enhance our understanding of the involvement of MR in SMC during the adverse reactions of Tac treatment. Our findings provided an opportunity to design future studies considering the MR antagonism in transplanted subjects.
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Affiliation(s)
- Stefanny M Figueroa
- Institute of Biomedical Sciences, Universidad Autónoma de Chile, Santiago 8910060, Chile
| | - Jean-Philippe Bertocchio
- INSERM UMRS1138, Sorbonne Université, Université de Paris, Centre de Recherche des Cordeliers, 75006 Paris, France
| | - Toshifumi Nakamura
- INSERM UMRS1138, Sorbonne Université, Université de Paris, Centre de Recherche des Cordeliers, 75006 Paris, France
| | - Soumaya El-Moghrabi
- INSERM UMRS1138, Sorbonne Université, Université de Paris, Centre de Recherche des Cordeliers, 75006 Paris, France
| | - Frédéric Jaisser
- INSERM UMRS1138, Sorbonne Université, Université de Paris, Centre de Recherche des Cordeliers, 75006 Paris, France
| | - Cristián A Amador
- Faculty of Medicine and Science, Universidad San Sebastián, Santiago 7510156, Chile
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5
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Thangaraj SS, Thiesson HC, Svenningsen P, Stubbe J, Palarasah Y, Bistrup C, Jensen BL, Mortensen LA. Mineralocorticoid receptor blockade with spironolactone has no direct effect on plasma IL-17A and injury markers in urine from kidney transplant patients. Am J Physiol Renal Physiol 2021; 322:F138-F149. [PMID: 34894724 DOI: 10.1152/ajprenal.00104.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Kidney transplantation is associated with increased risk of cardiovascular morbidity. Interleukin-17A (IL-17A) mediates kidney injury. Aldosterone promotes T-helper-17 (Th-17) lymphocyte differentiation and IL-17A production through the mineralocorticoid receptor (MR). In this exploratory, post-hoc substudy, it was hypothesized that 1-year intervention with the MR antagonist spironolactone lowers IL-17A and related cytokines and reduces epithelial injury in kidney transplant recipients. Plasma and urine samples were obtained from kidney transplant recipients from a double-blind randomized clinical trial testing spironolactone (n=39) versus placebo (n=41). Plasma concentrations of cytokines IFN-γ, IL-17A, TNF-α, IL-6, IL-1β, and IL-10 were determined before and after 1-year treatment. Urine calbindin, clusterin, KIM-1, osteoactivin, TFF3, and VEGF/creatinine ratios were analyzed. Blood pressure and plasma aldosterone concentration at inclusion did not relate to plasma cytokines and injury markers. None of the cytokines changed in plasma after spironolactone intervention. Plasma IL-17A increased in the placebo group. Spironolactone induced an increase in plasma K+ (0.4 ± 0.4 mmol/L). This increase did not correlate with plasma IL-17A or urine calbindin and TFF3 changes. Ongoing treatment at inclusion with angiotensin-converting-enzyme inhibitor and/or angiotensin II receptor blockers was not associated with changed levels of IL-17A and injury markers and had no effect on the response to spironolactone. Urinary calbindin and TFF3 decreased in the spironolactone group with no difference in between-group analyses. In conclusion, irrespective of ongoing ANGII inhibition, spironolactone has no effect on plasma IL-17A and related cytokines or urinary injury markers in kidney transplant recipients.
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Affiliation(s)
- Sai Sindhu Thangaraj
- Department of Cardiovascular and Renal Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Helle Charlotte Thiesson
- Department of Nephrology, Odense University Hospital, Odense C, Denmark.,Department of Clinical Research, Faculty of Health Science, University of Southern Denmark
| | - Per Svenningsen
- Department of Cardiovascular and Renal Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Jane Stubbe
- Department of Cardiovascular and Renal Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Yaseelan Palarasah
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of southern Denmark, Odense C, Denmark
| | - Claus Bistrup
- Department of Nephrology, Odense University Hospital, Odense C, Denmark.,Department of Clinical Research, Faculty of Health Science, University of Southern Denmark
| | - Boye L Jensen
- Department of Cardiovascular and Renal Research, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
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Barrera-Chimal J, Jaisser F, Anders HJ. The mineralocorticoid receptor in chronic kidney disease. Br J Pharmacol 2021; 179:3152-3164. [PMID: 34786690 DOI: 10.1111/bph.15734] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/11/2021] [Accepted: 10/22/2021] [Indexed: 11/27/2022] Open
Abstract
Chronic kidney disease (CKD) is a major public health concern, affecting approximately 10% of the population worldwide. CKD of glomerular or tubular origin leads to the activation of stress mechanisms, including the renin angiotensin aldosterone system and mineralocorticoid receptor (MR) activation. Over the last two decades, blockade of the MR has arisen as a potential therapeutic approach against various forms of kidney disease. In this review, we summarize the experimental studies that have shown a protective effect of MR antagonists (MRAs) in non-diabetic and diabetic CKD animal models. Moreover, we review the main clinical trials that have shown the clinical application of MRAs to reduce albuminuria and, importantly, to slow CKD progression. Recent evidence from the FIDELIO trial showed that the MRA finerenone can reduce hard kidney outcomes when added to the standard of care in CKD associated with type 2 diabetes. Finally, we discuss the effects of MRAs relative to those of SGLT2 inhibitors, as well as the potential benefit of combination therapy to maximize organ protection.
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Affiliation(s)
- Jonatan Barrera-Chimal
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico.,Laboratorio de Fisiología Cardiovascular y Trasplante Renal, Unidad de Investigación UNAM-INC, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Frederic Jaisser
- INSERM, UMRS 1138, Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, Paris, France.,Université de Lorraine, INSERM Centre d'Investigations Cliniques-Plurithématique 1433, UMR 1116, CHRU de Nancy, French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Nancy, France
| | - Hans-Joachim Anders
- Medizinische Klinik und Poliklinik IV, LMU Klinikum, Ziemssenstr. 1, D-80336, München
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7
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Karolin A, Genitsch V, Sidler D. Calcineurin Inhibitor Toxicity in Solid Organ Transplantation. Pharmacology 2021; 106:347-355. [PMID: 34130291 DOI: 10.1159/000515933] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 03/16/2021] [Indexed: 11/19/2022]
Abstract
Calcineurin inhibitors (CNIs) have a substantial role in maintaining immunosuppression after solid organ transplantation (SOT). These drugs have a narrow therapeutic window, and individual doses and drug treatment monitoring are necessary. Still, a substantial proportion of patients suffer from short- or long-term calcineurin inhibitor toxicity (CNT), including kidney function impairment, hypertension, neurotoxicity, and metabolic disturbances. The authors discuss pathophysiology, clinical presentation, and histological features of CNT, with focus on renal manifestations. Furthermore, we elucidate recent and ongoing attempts to reduce the burden of CNT in SOT including CNI-sparing and CNI-free regimens.
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Affiliation(s)
- Andrea Karolin
- Department for Nephrology and Hypertension, University Hospital Insel Bern, Bern, Switzerland
| | - Vera Genitsch
- Institute for Pathology, University of Bern, Bern, Switzerland
| | - Daniel Sidler
- Department for Nephrology and Hypertension, University Hospital Insel Bern, Bern, Switzerland
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8
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El Hennawy HM, Faifi ASA, El Nazer W, Mahedy A, Kamal A, Al Faifi IS, Abdulmalik H, Safar O, Zaitoun MF, Fahmy AE. Calcineurin Inhibitors Nephrotoxicity Prevention Strategies With Stress on Belatacept-Based Rescue Immunotherapy: A Review of the Current Evidence. Transplant Proc 2021; 53:1532-1540. [PMID: 34020797 DOI: 10.1016/j.transproceed.2021.03.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 03/10/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND A traditional narrative review was performed to evaluate clinical studies that have examined the clinical implications, risk factors, and prevention of calcineurin inhibitors (CNIs) nephrotoxicity with stress on a belatacept-based rescue regimen. METHODS The Cochrane Library, PubMed/MEDLINE, EBSCO (Academic Search Ultimate), ProQuest (Central), and Excerpta Medical databases and Google scholar were searched using the keywords (CNI AND Nephrotoxicity prevention) OR ("Calcineurin inhibitor" AND Nephrotoxicity) OR (Tacrolimus AND Nephrotoxicity) OR (Ciclosporin AND Nephrotoxicity) OR (cyclosporine AND Nephrotoxicity) OR (Belatacept) OR (CNI Conversion) for the period from 1990 to 2020. Fifty-five related articles and reviews were found. CONCLUSION A better understanding of the mechanisms underlying calcineurin inhibitor nephrotoxicity could help in the individualization of therapy for and prevention of CNI nephrotoxicity. Identification of high-risk patients for CNI nephrotoxicity before renal transplantation enables better use and selection of immunosuppression with reduced adverse effects and, eventually, successful treatment of the kidney recipients. Belatacept conversion is a good and safe option in patients with deteriorating renal function attributed to CNI nephrotoxicity.
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Affiliation(s)
- Hany M El Hennawy
- Transplant Surgery Section, Surgery Department, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia.
| | - Abdullah S Al Faifi
- Transplant Surgery Section, Surgery Department, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia
| | - Weam El Nazer
- Nephrology Department, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia
| | - Ahmed Mahedy
- Nephrology Department, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia
| | - Ahmed Kamal
- Nephrology Department, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia
| | - Ibrahim S Al Faifi
- Department of Family Medicine, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia
| | - Hana Abdulmalik
- Department of Surgery, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
| | - Omar Safar
- Department of Urology, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia
| | - Mohammad F Zaitoun
- Department of Pharmacy, Armed Forces Hospital-Southern Regions, Khamis Mushayt, Saudi Arabia
| | - Ahmed E Fahmy
- Department of Surgery, Division of Transplantation, North Shore University Hospital, Northwell Health, Manhasset, New York
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9
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Abstract
Interstitial fibrosis with tubule atrophy (IF/TA) is the response to virtually any sustained kidney injury and correlates inversely with kidney function and allograft survival. IF/TA is driven by various pathways that include hypoxia, renin-angiotensin-aldosterone system, transforming growth factor (TGF)-β signaling, cellular rejection, inflammation and others. In this review we will focus on key pathways in the progress of renal fibrosis, diagnosis and therapy of allograft fibrosis. This review discusses the role and origin of myofibroblasts as matrix producing cells and therapeutic targets in renal fibrosis with a particular focus on renal allografts. We summarize current trends to use multi-omic approaches to identify new biomarkers for IF/TA detection and to predict allograft survival. Furthermore, we review current imaging strategies that might help to identify and follow-up IF/TA complementary or as alternative to invasive biopsies. We further discuss current clinical trials and therapeutic strategies to treat kidney fibrosis.Supplemental Visual Abstract; http://links.lww.com/TP/C141.
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10
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Patel V, Joharapurkar A, Jain M. Role of mineralocorticoid receptor antagonists in kidney diseases. Drug Dev Res 2020; 82:341-363. [PMID: 33179798 DOI: 10.1002/ddr.21760] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 10/20/2020] [Accepted: 11/02/2020] [Indexed: 12/13/2022]
Abstract
Mineralocorticoid receptor (MR) antagonists, for example, spironolactone and eplerenone, are in clinical use to treat hypertension. Increasing evidence suggests that mineralocorticoid receptor activation causes the pathogenesis and progression of chronic kidney disease. Aldosterone-induced MR activation increases inflammation, fibrosis, and oxidative stress in the kidney. MR antagonists (MRAs) have demonstrated therapeutic actions in chronic kidney disease (CKD), diabetic nephropathy (DN), renal fibrosis, and drug-induced renal injury in preclinical and clinical studies. We have summarized and discussed these studies in this review. The nonsteroidal MRA, esaxerenone, recently received approval for the treatment of hypertension. It has also shown a positive therapeutic effect in phase 3 clinical trials in patients with DN. Other nonsteroidal MRA such as apararenone, finerenone, AZD9977, and LY2623091 are in different clinical trials in patients with hypertension suffering from renal or hepatic fibrotic diseases. Hyperkalemia associated with MRA therapy has frequently led to the discontinuation of the treatment. The new generation nonsteroidal MRAs like esaxerenone are less likely to cause hyperkalemia at therapeutic doses. It appears that the nonsteroidal MRAs can provide optimum therapeutic benefit for patients suffering from kidney diseases.
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Affiliation(s)
- Vishal Patel
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
| | | | - Mukul Jain
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
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Mortensen LA, Svane AM, Burton M, Bistrup C, Thiesson HC, Marcussen N, Beck HC. Proteomic Analysis of Renal Biomarkers of Kidney Allograft Fibrosis-A Study in Renal Transplant Patients. Int J Mol Sci 2020; 21:ijms21072371. [PMID: 32235494 PMCID: PMC7177439 DOI: 10.3390/ijms21072371] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/12/2020] [Accepted: 03/25/2020] [Indexed: 12/20/2022] Open
Abstract
Renal transplantation is the preferred treatment of end stage renal disease, but allograft survival is limited by the development of interstitial fibrosis and tubular atrophy in response to various stimuli. Much effort has been put into identifying new protein markers of fibrosis to support the diagnosis. In the present work, we performed an in-depth quantitative proteomics analysis of allograft biopsies from 31 prevalent renal transplant patients and correlated the quantified proteins with the volume fraction of fibrosis as determined by a morphometric method. Linear regression analysis identified four proteins that were highly associated with the degree of interstitial fibrosis, namely Coagulation Factor XIII A chain (estimate 18.7, adjusted p < 0.03), Uridine Phosphorylase 1 (estimate 19.4, adjusted p < 0.001), Actin-related protein 2/3 subunit 2 (estimate 34.2, adjusted p < 0.05) and Cytochrome C Oxidase Assembly Factor 6 homolog (estimate -44.9, adjusted p < 0.002), even after multiple testing. Proteins that were negatively associated with fibrosis (p < 0.005) were primarily related to normal metabolic processes and respiration, whereas proteins that were positively associated with fibrosis (p < 0.005) were involved in catabolic processes, cytoskeleton organization and the immune response. The identified proteins may be candidates for further validation with regards to renal fibrosis. The results support the notion that cytoskeleton organization and immune responses are prevalent processes in renal allograft fibrosis.
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Affiliation(s)
- Line Aas Mortensen
- Department of Nephrology, Odense University Hospital, DK-5000 Odense, Denmark; (L.A.M.); (C.B.); (H.C.T.)
| | - Anne Marie Svane
- Department of Epidemiology, Biostatistics and Biodemography, University of Southern Denmark, DK-5000 Odense, Denmark;
| | - Mark Burton
- Department of Clinical Genetics, Odense University Hospital, DK-5000 Odense, Denmark;
| | - Claus Bistrup
- Department of Nephrology, Odense University Hospital, DK-5000 Odense, Denmark; (L.A.M.); (C.B.); (H.C.T.)
| | - Helle Charlotte Thiesson
- Department of Nephrology, Odense University Hospital, DK-5000 Odense, Denmark; (L.A.M.); (C.B.); (H.C.T.)
| | - Niels Marcussen
- Department of Pathology, Odense University Hospital, DK-5000 Odense, Denmark;
| | - Hans Christian Beck
- Department of Clinical Biochemistry and Pharmacology, Centre for Clinical Proteomics, Odense University Hospital, DK-5000 Odense, Denmark
- Correspondence:
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12
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Mortensen LA, Bistrup C, Stubbe J, Carlström M, Checa A, Wheelock CE, Palarasah Y, Bladbjerg EM, Thiesson HC, Jensen BL. Effect of spironolactone for 1 yr on endothelial function and vascular inflammation biomarkers in renal transplant recipients. Am J Physiol Renal Physiol 2019; 317:F529-F539. [PMID: 31166706 DOI: 10.1152/ajprenal.00025.2019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Kidney transplantation is associated with increased cardiovascular risk. Endothelial dysfunction and vascular inflammation contribute to negative outcome. In experimental models, mineralocorticoid receptor antagonists improved endothelial function and reduced inflammation. The present study tested the hypothesis that the mineralocorticoid receptor antagonist spironolactone improves endothelial function and reduces vascular inflammation in renal transplant patients. Eighty prevalent renal transplant patients from an ongoing, double-blind randomized placebo-controlled trial were included. Paired plasma samples before and after 1 yr of treatment (n = 39 in the spironolactone-treated group and 41 in the placebo-treated group) were used to determine markers of endothelial dysfunction (nitrite, nitrate, cGMP, arginine, citrulline, ornithine, asymmetric dimethylarginine, symmetric dimethylarginine, NG-monomethyl-l-arginine, von Willebrand factor, tissue-type plasminogen activator antigen, and plasminogen activator inhibitor 1 antigen) and markers of inflammation (intercellular adhesion molecule, vascular adhesion molecule, high-sensitivity C-reactive protein, and serum amyloid protein A). The median time since the transplantation was 4.6 (0.12-22.3) yr in the spironolactone-treated group and 2.1 (0.17-13.9) yr in the placebo-treated group (P > 0.05). Spironolactone increased plasma aldosterone (P < 0.001) and K+ (P < 0.001). Blood pressure did not change significantly. No significant differences were detected between groups in any of the measured markers of endothelial dysfunction or inflammation except in the subgroup analysis of patients with diabetes, where spironolactone decreased nitrite compared with placebo. In this study, mineralocorticoid receptor antagonism did not improve biomarkers of endothelial dysfunction or vascular inflammation in prevalent renal transplant patients. Further studies are needed to evaluate the potential beneficial effect of early or late mineralocorticoid receptor antagonism on vascular outcomes in renal transplant patients.
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Affiliation(s)
- Line A Mortensen
- Department of Nephrology, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Claus Bistrup
- Department of Nephrology, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Jane Stubbe
- Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Mattias Carlström
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Antonio Checa
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Craig E Wheelock
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Yaseelan Palarasah
- Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark.,Unit for Thrombosis Research, Department of Clinical Biochemistry, Hospital of South West Jutland, Esbjerg, Denmark
| | - Else M Bladbjerg
- Unit for Thrombosis Research, Department of Clinical Biochemistry, Hospital of South West Jutland, Esbjerg, Denmark.,Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Helle C Thiesson
- Department of Nephrology, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Boye L Jensen
- Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
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13
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Barrera-Chimal J, Girerd S, Jaisser F. Mineralocorticoid receptor antagonists and kidney diseases: pathophysiological basis. Kidney Int 2019; 96:302-319. [PMID: 31133455 DOI: 10.1016/j.kint.2019.02.030] [Citation(s) in RCA: 118] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/04/2019] [Accepted: 02/20/2019] [Indexed: 12/13/2022]
Abstract
Chronic kidney disease (CKD) represents a global health concern, and its prevalence is increasing. The ultimate therapeutic option for CKD is kidney transplantation. However, the use of drugs that target specific pathways to delay or halt CKD progression, such as angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, and sodium-glucose co-transporter-2 (SGLT-2) inhibitors is limited in clinical practice. Mineralocorticoid receptor activation in nonclassical tissues, such as the endothelium, smooth muscle cells, inflammatory cells, podocytes, and fibroblasts may have deleterious effects on kidney structure and function. Several preclinical studies have shown that mineralocorticoid receptor antagonists (MRAs) ameliorate or cure kidney injury and dysfunction in different models of kidney disease. In this review, we present the preclinical evidence showing a benefit of MRAs in acute kidney injury, the transition from acute kidney injury to CKD, hypertensive and diabetic nephropathy, glomerulonephritis, and kidney toxicity induced by calcineurin inhibitors. We also discuss the molecular mechanisms responsible for renoprotection related to MRAs that lead to reduced oxidative stress, inflammation, fibrosis, and hemodynamic alterations. The available clinical data support a benefit of MRA in reducing proteinuria in diabetic kidney disease and improving cardiovascular outcomes in CKD patients. Moreover, a benefit of MRAs in kidney transplantation has also been observed. The past and present clinical trials describing the effect of MRAs on kidney injury are presented, and the risk of hyperkalemia and use of other options, such as potassium binding agents or nonsteroidal MRAs, are also addressed. Altogether, the available preclinical and clinical data support a benefit of using MRAs in CKD, an approach that should be further explored in future clinical trials.
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Affiliation(s)
- Jonatan Barrera-Chimal
- Laboratorio de Fisiología Cardiovascular y Trasplante Renal, Unidad de Medicina Traslacional, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México and Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Sophie Girerd
- Transplant Unit, Nephrology Department, Nancy University Hospital, Lorraine University, Vandoeuvre-lès-Nancy, France; Institut national de la santé et de la recherche médicale U1116, Clinical Investigation Centre, Lorraine University, Vandoeuvre-lès-Nancy, France; Investigation Network Initiative - Cardiovascular and Renal Clinical Trialists, French-Clinical Research Infrastructure Network, Nancy, France
| | - Frederic Jaisser
- Institut national de la santé et de la recherche médicale U1116, Clinical Investigation Centre, Lorraine University, Vandoeuvre-lès-Nancy, France; Investigation Network Initiative - Cardiovascular and Renal Clinical Trialists, French-Clinical Research Infrastructure Network, Nancy, France; Institut national de la santé et de la recherche médicale, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Sorbonne University, Paris Descartes University, Paris, France.
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14
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Ming Y, Stefano GB, Kream RM, Zhuang Q. Anti-Diabetogenic Properties of Mineralocorticoid Receptor Antagonists: Implications for Enhanced Safety and Efficacy of Post-Transplantation Pharmacotherapies. Med Sci Monit 2019; 25:1102-1104. [PMID: 30739121 PMCID: PMC6378856 DOI: 10.12659/msm.914340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Widespread usage of the calcineurin inhibitors tacrolimus and cyclosporine A as post-transplantation immunosuppressive agents is fraught with severe nephrotoxic and diabetogenic side effects. More recently, tapering of calcineurin inhibitor-based immunotherapies with concurrent administration of the mammalian target of rapamycin (mTOR) inhibitors sirolimus and everolimus has been employed within pharmacological regimens designed to achieve better safety and efficacy for preservation of allograft kidney function. Collected preclinical data and recent clinical study, however, indicate that usage of calcineurin inhibitors and/or mTOR blockers as immunosuppressive agents promotes equivalent diabetogenic side effects. Based on a wealth of validating preclinical studies, we contend that the favorable metabolic effects of mineralocorticoid receptor antagonists, such as spironolactone, support their inclusion in novel immunosuppressive strategies to inhibit new onset type II diabetic symptoms in post-transplantation patient populations.
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Affiliation(s)
- Yingzi Ming
- Transplantation Center, Third Xiangya Hospital of Central South University, Engineering and Technology Research Center for Transplantation Medicine of National Ministry of Health, Changsha, Hunan, China (mainland)
| | - George B Stefano
- Transplantation Center, Third Xiangya Hospital of Central South University, Engineering and Technology Research Center for Transplantation Medicine of National Ministry of Health, Changsha, Hunan, China (mainland)
| | - Richard M Kream
- Transplantation Center, Third Xiangya Hospital of Central South University, Engineering and Technology Research Center for Transplantation Medicine of National Ministry of Health, Changsha, Hunan, China (mainland)
| | - Quan Zhuang
- Transplantation Center, Third Xiangya Hospital of Central South University, Engineering and Technology Research Center for Transplantation Medicine of National Ministry of Health, Changsha, Hunan, China (mainland)
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