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New Therapies for the Treatment of Renal Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:625-659. [PMID: 31399988 DOI: 10.1007/978-981-13-8871-2_31] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Renal fibrosis is the common pathway for progression of chronic kidney disease (CKD) to end stage of renal disease. It is now widely accepted that the degree of renal fibrosis correlates with kidney function and CKD stages. The key cellular basis of renal fibrosis includes activation of myofibroblasts, excessive production of extracellular matrix components, and infiltration of inflammatory cells. Many cellular mechanisms responsible for renal fibrosis have been identified, and some antifibrotic agents show a greater promise in slowing down and even reversing fibrosis in animal models; however, translating basic findings into effective antifibrotic therapies in human has been limited. In this chapter, we will discuss the effects and mechanisms of some novel antifibrotic agents in both preclinical studies and clinical trials.
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Yang CT, Kor CT, Hsieh YP. Long-Term Effects of Spironolactone on Kidney Function and Hyperkalemia-Associated Hospitalization in Patients with Chronic Kidney Disease. J Clin Med 2018; 7:jcm7110459. [PMID: 30469400 PMCID: PMC6262621 DOI: 10.3390/jcm7110459] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 11/19/2018] [Indexed: 01/13/2023] Open
Abstract
Background: Spironolactone, a non-selective mineralocorticoid receptor antagonist, can protect against cardiac fibrosis and left ventricular dysfunction, and improve endothelial dysfunction and proteinuria. However, the safety and effects of spironolactone on patient-centered cardiovascular and renal endpoints remain unclear. Methods: We identified predialysis stage 3–4 chronic kidney disease (CKD) patients between 2000 and 2013 from the Longitudinal Health Insurance Database 2005 (LHID 2005). The outcomes of interest were end-stage renal disease (ESRD), major adverse cardiovascular events (MACE), hospitalization for heart failure (HHF), hyperkalemia-associated hospitalization (HKAH), all-cause mortality and cardiovascular mortality. The Fine and Gray sub-distribution hazards approach was adopted to adjust for the competing risk of death. Results: After the propensity score matching, 693 patients with stage 3–4 CKD were spironolactone users and 1386 were nonusers. During the follow-up period, spironolactone users had a lower incidence rate for ESRD than spironolactone non-users (39.2 vs. 53.69 per 1000 person-years) and a higher incidence rate for HKAH (54.79 vs. 18.57 per 1000 person-years). The adjusted hazard ratios for ESRD of spironolactone users versus non-users were 0.66 (95% CI, 0.51–0.84; p value < 0.001) and 3.17 (95% CI, 2.41–4.17; p value < 0.001) for HKAH. A dose-response relationship was found between spironolactone use and risk of ESRD and HKAH. There were no statistical differences in MACE, HHF, all-cause mortality and cardiovascular mortality between spironolactone users and non-users. Conclusion: Spironolactone represented a promising treatment option to retard CKD progression to ESRD amongst stage 3–4 CKD patients, but strategic treatments to prevent hyperkalemia should be enforced.
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Affiliation(s)
- Chen-Ta Yang
- Department of Internal Medicine, Changhua Christian Hospital, Changhua 50006, Taiwan.
| | - Chew-Teng Kor
- Department of Internal Medicine, Changhua Christian Hospital, Changhua 50006, Taiwan.
| | - Yao-Peng Hsieh
- Department of Internal Medicine, Changhua Christian Hospital, Changhua 50006, Taiwan.
- School of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan.
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Predictors of confirmatory test results for the diagnosis of primary hyperaldosteronism in hypertensive patients with an aldosterone-to-renin ratio greater than 20. The SHRIMP study. Hypertens Res 2018; 42:40-51. [PMID: 30401909 DOI: 10.1038/s41440-018-0126-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 06/04/2018] [Accepted: 06/25/2018] [Indexed: 11/08/2022]
Abstract
It remains unknown which surrogate markers can predict diagnostic test results for primary hyperaldosteronism (PA). The Secondary Hypertension Registry Investigation in Mie Prefecture (SHRIMP) study has sequentially and prospectively recruited 128 patients with hypertension with an aldosterone-to-renin ratio (ARR) greater than 20, evaluated the differences among essential hypertension (EHT), idiopathic hyperaldosteronism (IHA), and aldosterone-producing adenoma (APA), and analyzed the predictors for the confirmatory tests. The patients underwent saline-loading, captopril-challenge, and upright furosemide-loading tests. Carotid, renovascular, and cardiac echography, brachial ankle pulse wave velocity (baPWV), endothelial function, nocturnal blood pressure decline, and the apnea hypopnea index were evaluated. Multivariate regression analyses showed that the plasma aldosterone concentration (PAC) at screening was a strong predictor of the saline and captopril test results. The plasma renin activity (PRA) at screening, urine β2-microglobulin, and left ventricular mass index (LVMI) were independent predictors for the captopril test. The estimated saline PAC and captopril 60 and 90 min ARRs predicted by the equations were highly correlated with the real values. The ROC curve analysis showed PAC at screening among each of predictors for the diagnostic tests and PAC after the saline-loading test had the highest diagnostic abilities of APA. Patients with IHA were older and had glucose intolerance and increased U-Alb/gCre and resistive indices. In patients with APA, the levels of U-Alb/gCre and urine β2-microglobulin were increased, and levels of insulin and the HOMA-IR were decreased. In conclusion, our proposed equations may be useful for estimating saline PAC and captopril ARR. Diagnostic predictors may differ for each confirmatory test.
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Butler MJ, Ramnath R, Kadoya H, Desposito D, Riquier-Brison A, Ferguson JK, Onions KL, Ogier AS, ElHegni H, Coward RJ, Welsh GI, Foster RR, Peti-Peterdi J, Satchell SC. Aldosterone induces albuminuria via matrix metalloproteinase-dependent damage of the endothelial glycocalyx. Kidney Int 2018; 95:94-107. [PMID: 30389198 DOI: 10.1016/j.kint.2018.08.024] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 07/16/2018] [Accepted: 08/16/2018] [Indexed: 12/12/2022]
Abstract
Aldosterone contributes to end-organ damage in heart failure and chronic kidney disease. Mineralocorticoid-receptor inhibitors limit activation of the receptor by aldosterone and slow disease progression, but side effects, including hyperkalemia, limit their clinical use. Damage to the endothelial glycocalyx (a luminal biopolymer layer) has been implicated in the pathogenesis of endothelial dysfunction and albuminuria, but to date no one has investigated whether the glomerular endothelial glycocalyx is affected by aldosterone. In vitro, human glomerular endothelial cells exposed to 0.1 nM aldosterone and 145 mMol NaCl exhibited reduced cell surface glycocalyx components (heparan sulfate and syndecan-4) and disrupted shear sensing consistent with damage of the glycocalyx. In vivo, administration of 0.6 μg/g/d of aldosterone (subcutaneous minipump) and 1% NaCl drinking water increased glomerular matrix metalloproteinase 2 activity, reduced syndecan 4 expression, and caused albuminuria. Intravital multiphoton imaging confirmed that aldosterone caused damage of the glomerular endothelial glycocalyx and increased the glomerular sieving coefficient for albumin. Targeting matrix metalloproteinases 2 and 9 with a specific gelatinase inhibitor preserved the glycocalyx, blocked the rise in glomerular sieving coefficient, and prevented albuminuria. Together these data suggest that preservation of the glomerular endothelial glycocalyx may represent a novel strategy for limiting the pathological effects of aldosterone.
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Affiliation(s)
- Matthew J Butler
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK.
| | - Raina Ramnath
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Hiroyuki Kadoya
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Dorinne Desposito
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Anne Riquier-Brison
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Joanne K Ferguson
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Karen L Onions
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Anna S Ogier
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Hesham ElHegni
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Richard J Coward
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Gavin I Welsh
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Rebecca R Foster
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
| | - Janos Peti-Peterdi
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Simon C Satchell
- Bristol Renal, Bristol Medical School, University of Bristol, Bristol, UK
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González-Blázquez R, Somoza B, Gil-Ortega M, Martín Ramos M, Ramiro-Cortijo D, Vega-Martín E, Schulz A, Ruilope LM, Kolkhof P, Kreutz R, Fernández-Alfonso MS. Finerenone Attenuates Endothelial Dysfunction and Albuminuria in a Chronic Kidney Disease Model by a Reduction in Oxidative Stress. Front Pharmacol 2018; 9:1131. [PMID: 30356804 PMCID: PMC6189469 DOI: 10.3389/fphar.2018.01131] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 09/18/2018] [Indexed: 01/01/2023] Open
Abstract
Albuminuria is an early marker of renovascular damage associated to an increase in oxidative stress. The Munich Wistar Frömter (MWF) rat is a model of chronic kidney disease (CKD), which exhibits endothelial dysfunction associated to low nitric oxide availability. We hypothesize that the new highly selective, non-steroidal mineralocorticoid receptor (MR) antagonist, finerenone, reverses both endothelial dysfunction and microalbuminuria. Twelve-week-old MWF (MWF-C; MWF-FIN) and aged-matched normoalbuminuric Wistar (W-C; W-FIN) rats were treated with finerenone (FIN, 10 mg/kg/day p.o.) or vehicle (C) for 4-week. Systolic blood pressure (SBP) and albuminuria were determined the last day of treatment. Finerenone lowered albuminuria by >40% and significantly reduced SBP in MWF. Aortic rings of MWF-C showed higher contractions to either noradrenaline (NA) or angiotensin II (Ang II), and lower relaxation to acetylcholine (Ach) than W-C rings. These alterations were reversed by finerenone to W-C control levels due to an upregulation in phosphorylated Akt and eNOS, and an increase in NO availability. Apocynin and 3-amino-1,2,4-triazole significantly reduced contractions to NA or Ang II in MWF-C, but not in MWF-FIN rings. Accordingly, a significant increase of Mn-superoxide dismutase (SOD) and Cu/Zn-SOD protein levels were observed in rings of MWF-FIN, without differences in p22phox, p47phox or catalase levels. Total SOD activity was increased in kidneys from MWF-FIN rats. In conclusion, finerenone improves endothelial dysfunction through an enhancement in NO bioavailability and a decrease in superoxide anion levels due to an upregulation in SOD activity. This is associated with an increase in renal SOD activity and a reduction of albuminuria.
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Affiliation(s)
- Raquel González-Blázquez
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | - Beatriz Somoza
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | - Marta Gil-Ortega
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | - Miriam Martín Ramos
- Instituto Pluridisciplinar and Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | | | - Elena Vega-Martín
- Instituto Pluridisciplinar and Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Angela Schulz
- Department of Clinical Pharmacology and Toxicology, Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Luis Miguel Ruilope
- Unidad de Hipertensión, Instituto de Investigación Imas12, Hospital Universitario 12 de Octubre, Madrid, Spain.,Departamento de Medicina Preventiva y Salud Pública, Universidad Autónoma de Madrid, Madrid, Spain
| | - Peter Kolkhof
- Drug Discovery, Pharmaceuticals, Cardiology Research, Bayer HealthCare AG, Wuppertal, Germany
| | - Reinhold Kreutz
- Department of Clinical Pharmacology and Toxicology, Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - María S Fernández-Alfonso
- Instituto Pluridisciplinar and Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
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56
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Nicoll R, Robertson L, Gemmell E, Sharma P, Black C, Marks A. Models of care for chronic kidney disease: A systematic review. Nephrology (Carlton) 2018; 23:389-396. [PMID: 29160599 DOI: 10.1111/nep.13198] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2017] [Indexed: 11/24/2022]
Abstract
AIM Chronic kidney disease (CKD) is common and presents an increasing burden to patients and health services. However, the optimal model of care for patients with CKD is unclear. We systematically reviewed the clinical effectiveness of different models of care for the management of CKD. METHODS A comprehensive search of eight databases was undertaken for articles published from 1992 to 2016. We included randomized controlled trials that assessed any model of care in the management of adults with pre-dialysis CKD, reporting renal, cardiovascular, mortality and other outcomes. Data extraction and quality assessment was carried out independently by two authors. RESULTS Results were summarized narratively. Nine articles (seven studies) were included. Four models of care were identified: nurse-led, multidisciplinary specialist team, pharmacist-led and self-management. Nurse and pharmacist-led care reported improved rates of prescribing of drugs relevant to CKD. Heterogeneity was high between studies and all studies were at high risk of bias. Nurse-led care and multidisciplinary specialist care were associated with small improvements in blood pressure control. CONCLUSION Evidence of long term improvements in renal, cardiovascular or mortality endpoints was limited by short follow up. We found little published evidence about the effectiveness of different models of care to guide best practice for service design, although there was some evidence that models of care where health professionals deliver care according to a structured protocol or guideline may improve adherence to treatment targets.
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Affiliation(s)
- Ruairidh Nicoll
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
| | - Lynn Robertson
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
| | - Elliot Gemmell
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
| | - Pawana Sharma
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
| | - Corri Black
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK.,The Farr Institute of Health Informatics Research, Aberdeen, UK
| | - Angharad Marks
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
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57
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Agarwal R, Rossignol P, Garza D, Mayo MR, Warren S, Arthur S, Romero A, White WB, Williams B. Patiromer to Enable Spironolactone Use in the Treatment of Patients with Resistant Hypertension and Chronic Kidney Disease: Rationale and Design of the AMBER Study. Am J Nephrol 2018; 48:172-180. [PMID: 30176673 DOI: 10.1159/000492622] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 08/01/2018] [Indexed: 01/13/2023]
Abstract
BACKGROUND While chronic kidney disease (CKD) is common in resistant hypertension (RHTN), prior studies -evaluating mineralocorticoid receptor antagonists excluded patients with reduced kidney function due to risk of hyperkalemia. AMBER (ClinicalTrials.gov identifier NCT03071263) will evaluate if the potassium-binding polymer patiromer used concomitantly with spironolactone in patients with RHTN and CKD prevents hyperkalemia and allows more persistent spironolactone use for hypertension management. METHODS Randomized, double-blind, placebo-controlled parallel group 12-week study of patiromer and spironolactone versus placebo and spironolactone in patients with uncontrolled RHTN and CKD. RHTN is defined as unattended systolic automated office blood pressure (AOBP) of -135-160 mm Hg during screening despite taking ≥3 antihypertensives, including a diuretic, and an angiotensin-converting enzyme inhibitor or an angiotensin receptor blocker -(unless not tolerated or contraindicated). The CKD inclusion criterion is an estimated glomerular filtration rate (eGFR) of 25 to ≤45 mL/min/1.73 m2. Screening serum potassium must be 4.3-5.1 mEq/L. The primary efficacy endpoint is the between-group difference (spironolactone plus patiromer versus spironolactone plus placebo) in the proportion of patients remaining on spironolactone at Week 12. RESULTS Baseline characteristics have been analyzed as of March 2018 for 146 (of a targeted 290) patients. Mean (SD) baseline age is 69.3 (10.9) years; 52.1% are male, 99.3% White, and 47.3% have diabetes. Mean (SD) baseline serum potassium is 4.68 (0.25) mEq/L, systolic AOBP is 144.3 (6.8) mm Hg, eGFR is 35.7 (7.7) mL/min/1.73 m2. CONCLUSION AMBER will define the ability of patiromer to facilitate the use of spironolactone, an effective antihypertensive therapy for patients with RHTN and CKD.
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Affiliation(s)
- Rajiv Agarwal
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Patrick Rossignol
- Inserm 1433 CIC-P CHRU de Nancy, University of Lorraine and FCRIN INI-CRCT, Nancy, France
| | - Dahlia Garza
- Relypsa, Inc., a Vifor Pharma Group Company, Redwood City, California, USA
| | - Martha R Mayo
- Relypsa, Inc., a Vifor Pharma Group Company, Redwood City, California, USA
| | - Suzette Warren
- Relypsa, Inc., a Vifor Pharma Group Company, Redwood City, California, USA
| | - Susan Arthur
- Relypsa, Inc., a Vifor Pharma Group Company, Redwood City, California, USA
| | - Alain Romero
- Relypsa, Inc., a Vifor Pharma Group Company, Redwood City, California, USA
| | - William B White
- Calhoun Cardiology Center, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Bryan Williams
- Institute of Cardiovascular Sciences University College London (UCL) and National Institute for Health Research (NIHR) UCL/UCL Hospitals Biomedical Research Centre, London, United Kingdom
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58
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Cha DR. Mineralocorticoid receptor blockade for renoprotection. Kidney Res Clin Pract 2018; 37:183-184. [PMID: 30254842 PMCID: PMC6147190 DOI: 10.23876/j.krcp.2018.37.3.183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 08/06/2018] [Accepted: 08/06/2018] [Indexed: 12/04/2022] Open
Affiliation(s)
- Dae Ryong Cha
- Division of Nephrology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea
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59
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Hasegawa T, Nishiwaki H, Ota E, Levack WMM, Noma H. Aldosterone antagonists for people with chronic kidney disease requiring dialysis. Hippokratia 2018. [DOI: 10.1002/14651858.cd013109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Takeshi Hasegawa
- Showa University; Office for Promoting Medical Research; 1-5-8 Hatanodai Shinagawa-ku Tokyo Japan 1428555
- Showa University Fujigaoka Hospital; Division of Nephrology, Department of Medicine; Yokohama Japan
| | - Hiroki Nishiwaki
- Showa University Fujigaoka Hospital; Division of Nephrology, Department of Medicine; Yokohama Japan
| | - Erika Ota
- St. Luke's International University; Global Health Nursing, Graduate School of Nursing Sciences; 10-1 Akashi-cho Chuo-Ku Tokyo Japan 104-0044
| | - William MM Levack
- University of Otago; Rehabilitation Teaching and Research Unit, Department of Medicine; Mein St, Newtown PO Box 7343 Wellington New Zealand 6242
| | - Hisashi Noma
- The Institute of Statistical Mathematics; Department of Data Science; 10-3 Midori-cho Tachikawa Tokyo Japan 190 8562
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60
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Trevisan M, de Deco P, Xu H, Evans M, Lindholm B, Bellocco R, Barany P, Jernberg T, Lund LH, Carrero JJ. Incidence, predictors and clinical management of hyperkalaemia in new users of mineralocorticoid receptor antagonists. Eur J Heart Fail 2018; 20:1217-1226. [PMID: 29667759 PMCID: PMC6607478 DOI: 10.1002/ejhf.1199] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 03/16/2018] [Accepted: 03/23/2018] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Concerns for hyperkalaemia limit the use of mineralocorticoid receptor antagonists (MRAs). The frequency of MRA-associated hyperkalaemia in real-world settings and the extent of subsequent MRA discontinuation are poorly quantified. METHODS AND RESULTS Observational study including all Stockholm citizens initiating MRA therapy during 2007-2010. Hyperkalaemias were identified from all potassium (K+ ) measurements in healthcare. MRA treatment lengths and dosages were obtained from complete collection of pharmacy dispensations. We assessed the 1-year incidence and clinical hyperkalaemia predictors, and quantified drug prescription changes after an episode of hyperkalaemia. Overall, 13 726 new users of MRA were included, with median age of 73 years, 53% women and median plasma K+ of 3.9 mmol/L. Within a year, 18.5% experienced at least one detected hyperkalaemia (K+ > 5.0 mmol/L), the majority within the first 3 monthsnthsnthsnthsnths of therapy. As a comparison, hyperkalaemia was detected in 6.4% of propensity-matched new beta-blocker users. Chronic kidney disease (CKD), older age, male sex, heart failure, peripheral vascular disease, diabetes and concomitant use of angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, beta-blockers and diuretics were associated with increased hyperkalaemia risk. After hyperkalaemia, 47% discontinued MRA and only 10% reduced the prescribed dose. Discontinuation rates were higher after moderate/severe (K+ > 5.5 mmol/L) and early in therapy (<3 months from initiation) hyperkalaemias. CKD participants carried the highest risk of MRA discontinuation in adjusted analyses. When MRA was discontinued, most patients (76%) were not reintroduced to therapy during the subsequent year. CONCLUSION Among real-world adults initiating MRA therapy, hyperkalaemia was very common and frequently followed by therapy interruption, especially among participants with CKD.
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Affiliation(s)
- Marco Trevisan
- Department of Medical Epidemiology and BiostatisticsKarolinska InstitutetStockholmSweden
| | - Pietro de Deco
- Department of Statistics and Quantitative MethodsUniversity of Milano‐BicoccaMilanItaly
| | | | - Marie Evans
- Department of Clinical Science, Intervention and TechnologyKarolinska InstitutetStockholmSweden
| | - Bengt Lindholm
- Department of Clinical Science, Intervention and TechnologyKarolinska InstitutetStockholmSweden
| | - Rino Bellocco
- Department of Medical Epidemiology and BiostatisticsKarolinska InstitutetStockholmSweden
- Department of Statistics and Quantitative MethodsUniversity of Milano‐BicoccaMilanItaly
| | - Peter Barany
- Department of Clinical Science, Intervention and TechnologyKarolinska InstitutetStockholmSweden
| | - Tomas Jernberg
- Department of Clinical SciencesDanderyd University Hospital, Karolinska InstitutetStockholmSweden
| | - Lars H. Lund
- Department of MedicineKarolinska InstitutetStockholmSweden
| | - Juan J. Carrero
- Department of Medical Epidemiology and BiostatisticsKarolinska InstitutetStockholmSweden
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61
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Vanholder R, Van Laecke S, Glorieux G, Verbeke F, Castillo-Rodriguez E, Ortiz A. Deleting Death and Dialysis: Conservative Care of Cardio-Vascular Risk and Kidney Function Loss in Chronic Kidney Disease (CKD). Toxins (Basel) 2018; 10:E237. [PMID: 29895722 PMCID: PMC6024824 DOI: 10.3390/toxins10060237] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 05/11/2018] [Indexed: 02/07/2023] Open
Abstract
The uremic syndrome, which is the clinical expression of chronic kidney disease (CKD), is a complex amalgam of accelerated aging and organ dysfunctions, whereby cardio-vascular disease plays a capital role. In this narrative review, we offer a summary of the current conservative (medical) treatment options for cardio-vascular and overall morbidity and mortality risk in CKD. Since the progression of CKD is also associated with a higher cardio-vascular risk, we summarize the interventions that may prevent the progression of CKD as well. We pay attention to established therapies, as well as to novel promising options. Approaches that have been considered are not limited to pharmacological approaches but take into account lifestyle measures and diet as well. We took as many randomized controlled hard endpoint outcome trials as possible into account, although observational studies and post hoc analyses were included where appropriate. We also considered health economic aspects. Based on this information, we constructed comprehensive tables summarizing the available therapeutic options and the number and kind of studies (controlled or not, contradictory outcomes or not) with regard to each approach. Our review underscores the scarcity of well-designed large controlled trials in CKD. Nevertheless, based on the controlled and observational data, a therapeutic algorithm can be developed for this complex and multifactorial condition. It is likely that interventions should be aimed at targeting several modifiable factors simultaneously.
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Affiliation(s)
- Raymond Vanholder
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Steven Van Laecke
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Griet Glorieux
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Francis Verbeke
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | | | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, 28040 Madrid, Spain.
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62
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Mortensen LA, Thiesson HC, Tougaard B, Egfjord M, Fischer ASL, Bistrup C. The effect of spironolactone on calcineurin inhibitor induced nephrotoxicity: a multicenter randomized, double-blind, clinical trial (the SPIREN trial). BMC Nephrol 2018; 19:105. [PMID: 29724188 PMCID: PMC5934785 DOI: 10.1186/s12882-018-0885-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 03/26/2018] [Indexed: 11/12/2022] Open
Abstract
Background Calcineurin inhibitor induced nephrotoxicity contributes to late allograft failure in kidney transplant patients. Evidence points towards aldosterone to play a role in the development of fibrosis in multiple organs. Animal studies have indicated a beneficial effect of mineralocorticoid receptor antagonists preventing calcineurin inhibitor induced nephrotoxicity. Only few studies have explored this effect in humans. The objective of this study is to evaluate the effect of spironolactone on glomerular filtration rate and fibrosis in kidney transplant patients. Method Prospective, double-blind, randomized, clinical trial including 170 prevalent kidney transplant patients. Patients are randomized to spironolactone 25–50 mg/day or placebo for three years. Primary outcome is glomerular filtration rate evaluated by chrome-EDTA clearance. Secondary outcomes are 24-h protein excretion, amount of interstitial fibrosis in renal allograft biopsies, and cardiovascular events. As an exploratory outcome, we aim to identify markers of fibrosis in blood and urine. Discussion Long term allograft survival remains a key issue in renal transplantation, partly due to calcineurin inhibitor induced nephrotoxicity. Evidence from animal- and small human studies indicate a beneficial effect of mineralocorticoid receptor antagonism on renal function and fibrosis. This study aims to test this hypothesis in a sufficiently powered randomized clinical trial. Results might influence the future management of long term allograft survival in renal transplantation. Trial registration ClinicalTrials.gov identifier (05/17/2012): NCT01602861. EudraCT number (05/31/2011): 2011–002243-98.
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Affiliation(s)
- Line Aas Mortensen
- Department of Nephrology, Odense University Hospital, Sdr. Boulevard 29, DK-5000, Odense C, Denmark. .,Department of Clinical Research, University of Southern Denmark, Winsløwparken 19, 3. Sal, 5000, Odense C, Denmark.
| | - Helle C Thiesson
- Department of Nephrology, Odense University Hospital, Sdr. Boulevard 29, DK-5000, Odense C, Denmark.,Department of Clinical Research, University of Southern Denmark, Winsløwparken 19, 3. Sal, 5000, Odense C, Denmark
| | - Birgitte Tougaard
- Department of Nephrology, Kolding Hospital, Sygehusvej 24, 6000, Kolding, Denmark
| | - Martin Egfjord
- Department of Nephrology, Rigshospitalet, Blegdamsvej 9, 2100, København Ø, Denmark
| | - Anne Sophie Lind Fischer
- Department of Nephrology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200, Aarhus N, Denmark
| | - Claus Bistrup
- Department of Nephrology, Odense University Hospital, Sdr. Boulevard 29, DK-5000, Odense C, Denmark.,Department of Clinical Research, University of Southern Denmark, Winsløwparken 19, 3. Sal, 5000, Odense C, Denmark
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63
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Girerd S, Jaisser F. Mineralocorticoid receptor antagonists in kidney transplantation: time to consider? Nephrol Dial Transplant 2018; 33:2080-2091. [DOI: 10.1093/ndt/gfy065] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Accepted: 02/27/2018] [Indexed: 12/28/2022] Open
Affiliation(s)
- Sophie Girerd
- Transplant Unit, Nephrology Department, Nancy University Hospital, Lorraine University, Vandoeuvre-lès-Nancy, France
- INSERM U1116, Clinical Investigation Centre, Lorraine University, Vandoeuvre-lès-Nancy, France
- INI-CRCT (Cardiovascular and Renal Clinical Trialists) F-CRIN Network, Nancy, France
| | - Frédéric Jaisser
- INSERM U1116, Clinical Investigation Centre, Lorraine University, Vandoeuvre-lès-Nancy, France
- INI-CRCT (Cardiovascular and Renal Clinical Trialists) F-CRIN Network, Nancy, France
- INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, Paris, France
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Abstract
PURPOSE OF REVIEW Hyperkalemia develops in a patient with systemic arterial hypertension (HTN) if one or more risk factors are present, namely chronic kidney disease (CKD) (especially severe stage 4-5 CKD), diabetes mellitus (DM), heart failure (HF), or pharmacological therapies that interfere with potassium homeostasis, mainly through renin-angiotensin-aldosterone inhibition (RAASi). Hyperkalemia is a considerable reason of morbidity (emergency department (ED) visits and hospitalizations) and portends a higher mortality risk in patients at risk; for instance, hyperkalemia increases the risk of mortality within 1 day of a hyperkalemic event. This review aims to identify the risk factors for high-serum potassium, highlight the risk versus benefit of RAASi in certain patient populations, and outline preventive as well as therapeutic strategies for hyperkalemia. RECENT FINDINGS A growing body of evidence supports the safety and efficacy of cation-exchange resins, patiromer, or sodium zirconium cyclosilicate, in patients with a compelling indication for RAASi, yet in whom such therapy was complicated by hyperkalemia, allowing these patients to benefit from continued RAASi therapy. In summary, novel cation exchange polymers present the clinician with a new and safe strategy to address hyperkalemia in patients with a compelling indication for ongoing RAASi therapy instead of withdrawal of such therapy.
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Affiliation(s)
- Jay Ian Lakkis
- University of Hawaii John A. Burns School of Medicine, 95 Maui Lani Pkwy, Wailuku, HI, 96793-2416, USA
| | - Matthew R Weir
- Division of Nephrology, University of Maryland School of Medicine, 22 S. Greene St., Room N3W143, Baltimore, MD, 21201, USA.
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65
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Renal fibrosis: Recent translational aspects. Matrix Biol 2017; 68-69:318-332. [PMID: 29292218 DOI: 10.1016/j.matbio.2017.12.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 12/15/2017] [Accepted: 12/21/2017] [Indexed: 01/14/2023]
Abstract
Renal fibrogenesis is the common final pathway to all renal injuries that consequently leads to Chronic Kidney Disease (CKD). Renal fibrogenesis corresponds to the replacement of renal functional tissue by extra-cellular matrix proteins, mainly collagens, that ultimately impairs kidney function. Blockade of the renin angiotensin system by Angiotensin Converting Enzyme inhibitors (ACEi) or Angiotensin Receptor Blockers (ARBs) was the first strategy that proved efficient to blunt the development of renal fibrogenesis independently of its systemic action on blood pressure. Although this strategy has been published 20years ago, there is to date no novel therapeutic targets that are both safe and efficient in hindering renal fibrogenesis and CKD in humans, nor there is any new biomarker to precisely quantify this process. In our review, we will focus on the most recent pathways leading to fibrogenesis which have a high therapeutic potential in humans and on the most promising biomarkers of renal fibrosis.
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66
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Abstract
Over the past 30 years there have been many complementary therapies developed to achieve glycemic control and have an impact on cardiovascular outcomes, as well as reduce the risk of microvascular disease. The 2 most notable new entries have been the sodium-glucose cotransporter 2 (SGLT2) inhibitors and the glucagon-like peptide-1 (GLP-1) agonists. Both these classes of agents have demonstrated reductions in cardiovascular event rates as well as reductions in blood pressure and weight. Moreover, while both have demonstrated a benefit in slowing nephropathy progression, the SGLT2 inhibitors appear to have a significantly greater effect compared with the GLP-1 agents. There is an ongoing trial specifically powered for renal disease progression, CREDENCE (Evaluation of the Effects of Canagliflozin on Renal and Cardiovascular Outcomes in Participants With Diabetic Nephropathy). Additionally, there are 2 other classes of agents being tested to slow nephropathy progression, a selective endothelin-1 receptor antagonist, atrasantan, in the SONAR (Study of Diabetic Nephropathy With Atrasentan) trial and a nonsteroidal mineralocorticoid receptor antagonist, finerenone, in the FIDELIO (Efficacy and Safety of Finerenone in Subjects With Type 2 Diabetes Mellitus) trial. These and other studies are discussed.
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Affiliation(s)
- David Z I Cherney
- Department of Medicine, Division of Nephrology, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
| | - George L Bakris
- Department of Medicine, American Society of Hypertension Comprehensive Hypertension Center, University of Chicago Medicine, Chicago, Illinois, USA
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67
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Cooper LB, Lippmann SJ, Greiner MA, Sharma A, Kelly JP, Fonarow GC, Yancy CW, Heidenreich PA, Hernandez AF. Use of Mineralocorticoid Receptor Antagonists in Patients With Heart Failure and Comorbid Diabetes Mellitus or Chronic Kidney Disease. J Am Heart Assoc 2017; 6:e006540. [PMID: 29275368 PMCID: PMC5779000 DOI: 10.1161/jaha.117.006540] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 10/26/2017] [Indexed: 01/06/2023]
Abstract
BACKGROUND Perceived risks of hyperkalemia and acute renal insufficiency may limit use of mineralocorticoid receptor antagonist (MRA) therapy in patients with heart failure, especially those with diabetes mellitus or chronic kidney disease. METHODS AND RESULTS Using clinical registry data linked to Medicare claims, we analyzed patients hospitalized with heart failure between 2005 and 2013 with a history of diabetes mellitus or chronic kidney disease. We stratified patients by MRA use at discharge. We used inverse probability-weighted proportional hazards models to assess associations between MRA therapy and 30-day, 1-year, and 3-year mortality, all-cause readmission, and readmission for heart failure, hyperkalemia, and acute renal insufficiency. We performed interaction analyses for differential effects on 3-year outcomes for reduced, borderline, and preserved ejection fraction. Of 16 848 patients, 12.3% received MRA therapy at discharge. Higher serum creatinine was associated with lower odds of MRA use (odds ratio, 0.66; 95% confidence interval, 0.61-0.71); serum potassium was not (odds ratio, 1.00; 95% confidence interval, 0.90-1.11). There was no mortality difference between groups. MRA therapy was associated with greater risks of readmission for hyperkalemia and acute renal insufficiency and lower risks of long-term all-cause readmission. Patients on MRA therapy with borderline or preserved ejection fraction had greater risks of readmission for hyperkalemia (P=0.02) and acute renal insufficiency (P<0.001); patients with reduced ejection fraction did not. CONCLUSIONS Among patients with heart failure and diabetes mellitus or chronic kidney disease, MRA use was associated with lower risk of all-cause readmission despite greater risk of hyperkalemia and acute renal insufficiency.
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Affiliation(s)
- Lauren B Cooper
- Heart Failure and Transplant Program, Inova Heart & Vascular Institute, Inova Fairfax Hospital, Falls Church, VA
- Department of Medicine, Duke University School of Medicine, Durham, NC
| | - Steven J Lippmann
- Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC
| | - Melissa A Greiner
- Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC
| | - Abhinav Sharma
- Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Jacob P Kelly
- Department of Medicine, Duke University School of Medicine, Durham, NC
- Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC
| | - Gregg C Fonarow
- Ahmanson-UCLA Cardiomyopathy Center, University of California, Los Angeles, Los Angeles, CA
| | - Clyde W Yancy
- Department of Cardiology, Feinberg School of Medicine, Northwestern University, Chicago, IL
| | | | - Adrian F Hernandez
- Department of Medicine, Duke University School of Medicine, Durham, NC
- Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC
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Georgianos PI, Agarwal R. Revisiting RAAS blockade in CKD with newer potassium-binding drugs. Kidney Int 2017; 93:325-334. [PMID: 29276100 DOI: 10.1016/j.kint.2017.08.038] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/21/2017] [Accepted: 08/24/2017] [Indexed: 01/13/2023]
Abstract
Among patients with proteinuric chronic kidney disease (CKD), current guideline recommendations mandate the use of agents blocking the renin angiotensin aldosterone system (RAAS) as first-line antihypertensive therapy based on randomized trials demonstrating that RAAS inhibitors are superior to other antihypertensive drug classes in slowing nephropathy progression to end-stage renal disease. However, the opportunities for adequate RAAS blockade in CKD are often limited, and an important impediment is the risk of hyperkalemia, especially when RAAS inhibitors are used in maximal doses or are combined. Accordingly, a large proportion of patients with proteinuric CKD may not have the anticipated renoprotective benefits since RAAS blockers are often discontinued due to incident hyperkalemia or are administered at suboptimal doses for fear of the development of hyperkalemia. Two newer potassium binders, patiromer and sodium zirconium cyclosilicate (ZS-9), have been shown to effectively and safely reduce serum potassium levels and maintain long-term normokalemia in CKD patients receiving background therapy with RAAS inhibitors. Whether these novel potassium-lowering therapies can overcome the barrier of hyperkalemia and enhance the tolerability of RAAS inhibitor use in proteinuric CKD awaits randomized trials.
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Affiliation(s)
- Panagiotis I Georgianos
- Division of Nephrology and Hypertension, 1st Department of Medicine, AHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Rajiv Agarwal
- Department of Medicine, Indiana University School of Medicine and Richard L. Roudebush Veterans Administration Medical Center, Indianapolis, Indiana, USA.
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Gant CM, Laverman GD, Vogt L, Slagman MCJ, Heerspink HJL, Waanders F, Hemmelder MH, Navis G. Renoprotective RAAS inhibition does not affect the association between worse renal function and higher plasma aldosterone levels. BMC Nephrol 2017; 18:370. [PMID: 29262813 PMCID: PMC5738866 DOI: 10.1186/s12882-017-0789-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 12/11/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Aldosterone is elevated in chronic kidney disease (CKD) and may be involved in hypertension. Surprisingly, the determinants of the plasma aldosterone concentration (PAC) and its role in hypertension are not well studied in CKD. Therefore, we studied the determinants of aldosterone and its association with blood pressure in CKD patients. We also studied this during renin-angiotensin-aldosterone system inhibition (RAASi) to establish clinical relevance, as RAASi is the treatment of choice in CKD with albuminuria. METHODS We performed a post-hoc analysis on data from a randomized controlled double blind cross-over trial in non-diabetic CKD patients (n = 33, creatinine clearance (CrCl) 85 (75-95) ml/min, proteinuria 3.2 (2.5-4.0) g/day). Patients were treated with losartan 100 mg (ARB), and ARB + hydrochlorothiazide 25 mg (HCT), during both a regular (200 ± 10 mmol Na+/day) and low (89 ± 8 mmol Na+/day) dietary sodium intake, in 6-week study periods. PAC data at the end of each study period were analyzed. The association between PAC and blood pressure was analyzed continuously, and according to PAC above or below the median. RESULTS Lower CrCl was correlated with higher PAC during placebo as well as during ARB (β = -1.213, P = 0.008 and β = -1.090, P = 0.010). Higher PAC was not explained by high renin, illustrated by a comparable association between CrCl and the aldosterone-to-renin ratio. The association between lower CrCl and higher PAC was also found in a second study with single RAASi with ACE inhibition (ACEi; lisinopril 40 mg/day), and dual RAASi (lisinopril 40 mg/day + valsartan 320 mg/day). Higher PAC was associated with a higher systolic blood pressure (P = 0.010) during different study periods. Only during maximal treatment with ARB + HCT + dietary sodium restriction, blood pressure was no longer different in subjects with a PAC above and below the median. CONCLUSIONS In CKD patients with a standardized regular sodium intake, worse renal function is associated with a higher aldosterone, untreated and during RAASi with either ARB, ACEi, or both. Furthermore, higher aldosterone is associated with higher blood pressure, which can be treated with the combination of RAASi, HCT and dietary sodium restriction. The first study was performed before it was standard to register trials and the study was not retrospectively registered. The second study was registered in the Netherlands Trial Register on the 5th of May 2006 (NTR675).
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Affiliation(s)
- Christina M Gant
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands. .,Department of Internal Medicine/Nephrology, ZGT Hospital, Zilvermeeuw 1, 7609 PP, Almelo, The Netherlands.
| | - Gozewijn D Laverman
- Department of Internal Medicine/Nephrology, ZGT Hospital, Zilvermeeuw 1, 7609 PP, Almelo, The Netherlands
| | - Liffert Vogt
- Department of Internal Medicine, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Maartje C J Slagman
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Hiddo J L Heerspink
- Department of Clinical Pharmacy and Pharmacology, University Medical Centre Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Femke Waanders
- Department of Internal Medicine/Nephrology, Isala Hospital, Dokter van Heesweg 2, 8025 AB, Zwolle, The Netherlands
| | - Marc H Hemmelder
- Department of Internal Medicine/Nephrology, Medical Centre Leeuwarden, Henri Dunantweg 2, 8934 AD, Leeuwarden, The Netherlands
| | - Gerjan Navis
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
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Mortensen LA, Bistrup C, Thiesson HC. Does Mineralocorticoid Receptor Antagonism Prevent Calcineurin Inhibitor-Induced Nephrotoxicity? Front Med (Lausanne) 2017; 4:210. [PMID: 29226122 PMCID: PMC5705552 DOI: 10.3389/fmed.2017.00210] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 11/08/2017] [Indexed: 01/15/2023] Open
Abstract
Calcineurin inhibitors have markedly reduced acute rejection rates in renal transplantation, thus significantly improved short-term outcome. The beneficial effects are, however, tampered by acute and chronic nephrotoxicity leading to interstitial fibrosis and tubular atrophy, which impairs long-term allograft survival. The mineralocorticoid hormone aldosterone induces fibrosis in numerous organs, including the kidney. Evidence from animal models suggests a beneficial effect of aldosterone antagonism in reducing calcineurin inhibitor-induced nephrotoxicity. This review summarizes current evidence of mineralocorticoid receptor antagonism in animal models of calcineurin inhibitor-induced nephrotoxicity and the results from studies of mineralocorticoid antagonism in renal transplant patients.
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Affiliation(s)
- Line Aas 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
| | - Helle Charlotte Thiesson
- Department of Nephrology, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
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Brown JM, Robinson-Cohen C, Luque-Fernandez MA, Allison MA, Baudrand R, Ix JH, Kestenbaum B, de Boer IH, Vaidya A. The Spectrum of Subclinical Primary Aldosteronism and Incident Hypertension: A Cohort Study. Ann Intern Med 2017; 167:630-641. [PMID: 29052707 PMCID: PMC5920695 DOI: 10.7326/m17-0882] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Primary aldosteronism is recognized as a severe form of renin-independent aldosteronism that results in excessive mineralocorticoid receptor (MR) activation. OBJECTIVE To investigate whether a spectrum of subclinical renin-independent aldosteronism that increases risk for hypertension exists among normotensive persons. DESIGN Cohort study. SETTING National community-based study. PARTICIPANTS 850 untreated normotensive participants in MESA (Multi-Ethnic Study of Atherosclerosis) with measurements of serum aldosterone and plasma renin activity (PRA). MEASUREMENTS Longitudinal analyses investigated whether aldosterone concentrations, in the context of physiologic PRA phenotypes (suppressed, ≤0.50 µg/L per hour; indeterminate, 0.51 to 0.99 µg/L per hour; unsuppressed, ≥1.0 µg/L per hour), were associated with incident hypertension (defined as systolic blood pressure ≥140 mm Hg, diastolic blood pressure ≥90 mm Hg, or initiation of antihypertensive medications). Cross-sectional analyses investigated associations between aldosterone and MR activity, assessed via serum potassium and urinary fractional excretion of potassium. RESULTS A suppressed renin phenotype was associated with a higher rate of incident hypertension than other PRA phenotypes (incidence rates per 1000 person-years of follow-up: suppressed renin phenotype, 85.4 events [95% CI, 73.4 to 99.3 events]; indeterminate renin phenotype, 53.3 events [CI, 42.8 to 66.4 events]; unsuppressed renin phenotype, 54.5 events [CI, 41.8 to 71.0 events]). With renin suppression, higher aldosterone concentrations were independently associated with an increased risk for incident hypertension, whereas no association between aldosterone and hypertension was seen when renin was not suppressed. Higher aldosterone concentrations were associated with lower serum potassium and higher urinary excretion of potassium, but only when renin was suppressed. LIMITATION Sodium and potassium were measured several years before renin and aldosterone. CONCLUSION Suppression of renin and higher aldosterone concentrations in the context of this renin suppression are associated with an increased risk for hypertension and possibly also with increased MR activity. These findings suggest a clinically relevant spectrum of subclinical primary aldosteronism (renin-independent aldosteronism) in normotension. PRIMARY FUNDING SOURCE National Institutes of Health.
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Affiliation(s)
- Jenifer M Brown
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Cassianne Robinson-Cohen
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Miguel Angel Luque-Fernandez
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Matthew A Allison
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Rene Baudrand
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Joachim H Ix
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Bryan Kestenbaum
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Ian H de Boer
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Anand Vaidya
- From Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Vanderbilt University, Nashville, Tennessee; University of Washington, Seattle, Washington; London School of Hygiene & Tropical Medicine, London, United Kingdom; Pontificia Universidad Católica de Chile, Santiago, Chile; and University of California San Diego and Veterans Affairs San Diego Healthcare System, San Diego, California
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Belden Z, Deiuliis JA, Dobre M, Rajagopalan S. The Role of the Mineralocorticoid Receptor in Inflammation: Focus on Kidney and Vasculature. Am J Nephrol 2017; 46:298-314. [PMID: 29017166 PMCID: PMC6863172 DOI: 10.1159/000480652] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND The remarkable success of clinical trials in mineralocorticoid receptor (MR) inhibition in heart failure has driven research on the physiological and pathological role(s) of nonepithelial MR expression. MR is widely expressed in the cardiovascular system and is a major determinant of endothelial function, smooth muscle tone, vascular remodeling, fibrosis, and blood pressure. An important new dimension is the appreciation of the role MR plays in immune cells and target organ damage in the heart, kidney and vasculature, and in the development of insulin resistance. SUMMARY The mechanism for MR activation in tissue injury continues to evolve with the evidence to date suggesting that activation of MR results in a complex repertoire of effects involving both macrophages and T cells. MR is an important transcriptional regulator of macrophage phenotype and function. Another important feature of MR activation is that it can occur even with normal or low aldosterone levels in pathological conditions. Tissue-specific conditional models of MR expression in myeloid cells, endothelial cells, smooth muscle cells and cardiomyocytes have been very informative and have firmly demonstrated a critical role of MR as a key pathophysiologic variable in cardiac hypertrophy, transition to heart failure, adipose inflammation, and atherosclerosis. Finally, the central nervous system activation of MR in permeable regions of the blood-brain barrier may play a role in peripheral inflammation. Key Message: Ongoing clinical trials will help clarify the role of MR blockade in conditions, such as atherosclerosis and chronic kidney disease.
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Affiliation(s)
- Zachary Belden
- Case Cardiovascular Research Institute, Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Jeffrey A. Deiuliis
- Case Cardiovascular Research Institute, Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Mirela Dobre
- Division of Nephrology and Hypertension, Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Sanjay Rajagopalan
- Case Cardiovascular Research Institute, Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Harrington Heart and Vascular Institute, Department of Medicine, Case Western Reserve University, Cleveland, OH, USA
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73
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Čertíková Chábová V, Červenka L. The dilemma of dual renin-angiotensin system blockade in chronic kidney disease: why beneficial in animal experiments but not in the clinic? Physiol Res 2017; 66:181-192. [PMID: 28471687 DOI: 10.33549/physiolres.933607] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Drugs interfering with the renin-angiotensin-aldosterone system (RAAS) improved the prognosis in patients with hypertension, heart failure, diabetes and chronic kidney disease. However, combining different drugs brought no further benefit while increasing the risk of hyperkalemia, hypotension and acute renal failure. This was so with combining angiotensin converting enzyme inhibitors (ACEi) and angiotensin II receptors type 1 antagonists (ARB). Dissimilarly, in animal disease models this dual therapy proved clearly superior to single drug treatment and became the optimal standard regime for comparison with other treatments. This review analyzes the causes of the discrepancy of effects of the dual therapy between animal experiments versus clinical studies, and is focused on the outcomes in chronic kidney disease. Discussed is the role of species differences in RAAS, of the variability of the disease features in humans versus relative stability in animals, of the genetic uniformity in the animals but not in humans, and of the biased publication habits of experimental versus clinical studies. We attempt to understand the causes and reconcile the discordant findings and suggest to what extent dual RAAS inhibition should be continued in animal experiments and why its application in the clinics should be limited to strictly selected groups of patients.
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Affiliation(s)
- V Čertíková Chábová
- Department of Nephrology, First Faculty of Medicine, Charles University, Prague, Czech Republic, Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
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Sun LJ, Sun YN, Shan JP, Jiang GR. Effects of mineralocorticoid receptor antagonists on the progression of diabetic nephropathy. J Diabetes Investig 2017; 8:609-618. [PMID: 28107779 PMCID: PMC5497036 DOI: 10.1111/jdi.12629] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 01/05/2017] [Accepted: 01/11/2017] [Indexed: 11/30/2022] Open
Abstract
Aims/Introduction We aimed to evaluate the potential benefits and adverse effects of adding a mineralocorticoid receptor antagonist (MRA) to angiotensin‐converting enzyme inhibitors (ACEI) and/or angiotensin receptor blockers (ARB), as standard treatment in patients with diabetic nephropathy. Materials and Methods We scanned the Embase, PubMed and Cochrane Central Register of Controlled Trials databases for human clinical trials published in English until June 2016, evaluating renal outcomes in patients with diabetic nephropathy. Results A total of 18 randomized controlled trials involving 1,786 patients were included. Compared with ACEI/ARB alone, co‐administration of MRA and ACEI/ARB significantly reduced urinary albumin excretion and the urinary albumin–creatinine ratio (mean difference −69.38, 95% confidence intervals −103.53 to −35.22, P < 0.0001; mean difference −215.74, 95% confidence intervals −409.22 to −22.26, P = 0.03, respectively). A decrease of blood pressure was also found in the co‐administration of MRA and ACEI/ARB groups. However, we did not observe any improvement in the glomerular filtration rate. There was a significant increase in the risk of hyperkalemia on the addition of MRA to ACEI/ARB treatment (relative risk 3.74, 95% confidence intervals 2.30–6.09, P < 0.00001). Conclusions These findings suggest that co‐administration of MRA and ACEI/ARB has beneficial effects on renal outcomes with increasing the incidence of hyperkalemia.
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Affiliation(s)
- Li-Jing Sun
- Department of Nephrology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yan-Ni Sun
- Department of Emergency, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jian-Ping Shan
- Department of Nephrology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Geng-Ru Jiang
- Department of Nephrology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
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Oh YJ, Kim SM, Shin BC, Kim HL, Chung JH, Kim AJ, Ro H, Chang JH, Lee HH, Chung W, Lee C, Jung JY. The Impact of Renin-Angiotensin System Blockade on Renal Outcomes and Mortality in Pre-Dialysis Patients with Advanced Chronic Kidney Disease. PLoS One 2017; 12:e0170874. [PMID: 28122064 PMCID: PMC5266335 DOI: 10.1371/journal.pone.0170874] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 01/11/2017] [Indexed: 01/13/2023] Open
Abstract
Renin-angiotensin-system (RAS) blockade is thought to slow renal progression in patients with chronic kidney disease (CKD). However, it remains uncertain if the habitual use of RAS inhibitors affects renal progression and outcomes in pre-dialysis patients with advanced CKD. In this multicenter retrospective cohort study, we identified 2,076 pre-dialysis patients with advanced CKD (stage 4 or 5) from a total of 33,722 CKD patients. RAS blockade users were paired with non-users for analyses using inverse probability of treatment-weighted (IPTW) and propensity score (PS) matching. The outcomes were renal death, all-cause mortality, hospitalization for hyperkalemia, and interactive factors as composite outcomes. RAS blockade users showed an increased risk of renal death in PS-matched analysis (hazard ratio [HR], 1.381; 95% CI, 1.071–1.781; P = 0.013), which was in agreement with the results of IPTW analysis (HR, 1.298; 95% CI, 1.123–1.500; P < 0.001). The risk of composite outcomes was higher in RAS blockade users in IPTW (HR, 1.154; 95% CI, 1.016–1.310; P = 0.027), but was marginal significance in PS matched analysis (HR, 1.243; 95% CI, 0.996–1.550; P = 0.054). The habitual use of RAS blockades in pre-dialysis patients with advanced CKD may have a detrimental effect on renal outcome without improving all-cause mortality. Further studies are warranted to determine whether withholding RAS blockade may lead to better outcomes in these patients.
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Affiliation(s)
- Yun Jung Oh
- Division of Nephrology, Department of Internal Medicine, Cheju Halla General Hospital, Jeju, Korea
| | - Sun Moon Kim
- Division of Nephrology, Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Byung Chul Shin
- Division of Nephrology, Department of Internal Medicine, Chosun University Hospital, Gwangju, Korea
| | - Hyun Lee Kim
- Division of Nephrology, Department of Internal Medicine, Chosun University Hospital, Gwangju, Korea
| | - Jong Hoon Chung
- Division of Nephrology, Department of Internal Medicine, Chosun University Hospital, Gwangju, Korea
| | - Ae Jin Kim
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea
- Division of Nephrology, Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Han Ro
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea
- Division of Nephrology, Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Jae Hyun Chang
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea
- Division of Nephrology, Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Hyun Hee Lee
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea
- Division of Nephrology, Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Wookyung Chung
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea
- Division of Nephrology, Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Chungsik Lee
- Division of Nephrology, Department of Internal Medicine, Cheju Halla General Hospital, Jeju, Korea
| | - Ji Yong Jung
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea
- Division of Nephrology, Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
- * E-mail:
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76
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Assessment of Prevalence of Chronic Kidney Disease and Its Predisposing Factors in Kerman City. Nephrourol Mon 2017. [DOI: 10.5812/numonthly.41794] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Feng YH, Fu P. Dual Blockade of the Renin-angiotensin-aldosterone System in Type 2 Diabetic Kidney Disease. Chin Med J (Engl) 2017; 129:81-7. [PMID: 26712437 PMCID: PMC4797548 DOI: 10.4103/0366-6999.172599] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Objective: To examine the efficacy and safety of dual blockade of the renin-angiotensin-aldosterone system (RAAS) among patients with type 2 diabetic kidney disease. Data Sources: We searched the major literature repositories, including the Cochrane Central Register of Controlled Trials, MEDLINE and EMBASE, for randomized clinical trials published between January 1990 and October 2015 that compared the efficacy and safety of the use of dual blockade of the RAAS versus the use of monotherapy, without applying any language restrictions. Keywords for the searches included “diabetic nephropathy,” “chronic kidney disease,” “chronic renal insufficiency,” “diabetes mellitus,” “dual therapy,” “combined therapy,” “dual blockade,” “renin-angiotensin system,” “angiotensin-converting enzyme inhibitor,” “angiotensin-receptor blocker,” “aldosterone blockade,” “selective aldosterone blockade,” “renin inhibitor,” “direct renin inhibitor,” “mineralocorticoid receptor blocker,” etc. Study Selection: The selected articles were carefully reviewed. We excluded randomized clinical trials in which the kidney damage of patients was related to diseases other than diabetes mellitus. Results: Combination treatment with an angiotensin-converting enzyme inhibitor supplemented by an angiotensin II receptor blocking agent is expected to provide a more complete blockade of the RAAS and a better control of hypertension. However, existing literature has presented mixed results, in particular, related to patient safety. In view of this, we conducted a comprehensive literature review in order to explain the rationale for dual blockade of the RAAS, and to discuss the pros and cons. Conclusions: Despite the negative results of some recent large-scale studies, it may be immature to declare that the dual blockade is a failure because of the complex nature of the RAAS surrounding its diversified functions and utility. Further trials are warranted to study the combination therapy as an evidence-based practice.
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Affiliation(s)
| | - Ping Fu
- Department of Internal Medicine, Division of Nephrology; West China Biostatistics and Cost-benefit Analysis Center, West China Hospital of Sichuan University, Chengdu, Sichuan 610041, China
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Cooper LB, Hammill BG, Peterson ED, Pitt B, Maciejewski ML, Curtis LH, Hernandez AF. Characterization of Mineralocorticoid Receptor Antagonist Therapy Initiation in High-Risk Patients With Heart Failure. Circ Cardiovasc Qual Outcomes 2017; 10:e002946. [PMID: 28073850 PMCID: PMC5228387 DOI: 10.1161/circoutcomes.116.002946] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 10/21/2016] [Indexed: 01/09/2023]
Abstract
BACKGROUND Heart failure guidelines recommend routine monitoring of serum potassium, and renal function in patients treated with a mineralocorticoid receptor antagonist (MRA). How these recommendations are implemented in high-risk patients or according to setting of drug initiation is poorly characterized. METHODS AND RESULTS We conducted a retrospective cohort study of Medicare beneficiaries linked to laboratory data in 10 states with prevalent heart failure as of July 1, 2011, and incident MRA use between May 1 and September 30, 2011. Outcomes included laboratory testing before MRA initiation and in the early (days 1-10) and extended (days 11-90) post-initiation periods, based on setting of drug initiation and the presence of renal insufficiency. Additional outcomes included abnormal laboratory results and adverse events proximate to MRA initiation. Of 10 443 Medicare beneficiaries with heart failure started on an MRA, 19.7% were initiated during a hospitalization. Appropriate follow-up laboratory testing across all time periods occurred in 25.2% of patients with inpatient initiation compared with 2.8% of patients begun as an outpatient. Patients with chronic kidney disease had higher rates of both hyperkalemia and acute kidney failure in the early (1.3% and 2.7%, respectively) and extended (5.6% and 9.8%, respectively) post-initiation periods compared with those without chronic kidney disease. CONCLUSIONS Patients initiated on MRA therapy as an outpatient had extremely poor rates of guideline indicated follow-up laboratory monitoring after drug initiation. In particular, patients with chronic kidney disease are at high risk for adverse events after MRA initiation. Quality improvement initiatives focused on systems to improve appropriate laboratory monitoring are needed.
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Affiliation(s)
- Lauren B Cooper
- From the Inova Heart and Vascular Institute, Falls Church, VA (L.B.C.); Department of Medicine (L.B.C., E.D.P., M.L.M., L.H.C., A.F.H.) and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (B.G.H., E.D.P., L.H.C., A.F.H.); Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor (B.P.); and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC (M.L.M.).
| | - Bradley G Hammill
- From the Inova Heart and Vascular Institute, Falls Church, VA (L.B.C.); Department of Medicine (L.B.C., E.D.P., M.L.M., L.H.C., A.F.H.) and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (B.G.H., E.D.P., L.H.C., A.F.H.); Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor (B.P.); and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC (M.L.M.)
| | - Eric D Peterson
- From the Inova Heart and Vascular Institute, Falls Church, VA (L.B.C.); Department of Medicine (L.B.C., E.D.P., M.L.M., L.H.C., A.F.H.) and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (B.G.H., E.D.P., L.H.C., A.F.H.); Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor (B.P.); and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC (M.L.M.)
| | - Bertram Pitt
- From the Inova Heart and Vascular Institute, Falls Church, VA (L.B.C.); Department of Medicine (L.B.C., E.D.P., M.L.M., L.H.C., A.F.H.) and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (B.G.H., E.D.P., L.H.C., A.F.H.); Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor (B.P.); and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC (M.L.M.)
| | - Matthew L Maciejewski
- From the Inova Heart and Vascular Institute, Falls Church, VA (L.B.C.); Department of Medicine (L.B.C., E.D.P., M.L.M., L.H.C., A.F.H.) and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (B.G.H., E.D.P., L.H.C., A.F.H.); Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor (B.P.); and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC (M.L.M.)
| | - Lesley H Curtis
- From the Inova Heart and Vascular Institute, Falls Church, VA (L.B.C.); Department of Medicine (L.B.C., E.D.P., M.L.M., L.H.C., A.F.H.) and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (B.G.H., E.D.P., L.H.C., A.F.H.); Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor (B.P.); and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC (M.L.M.)
| | - Adrian F Hernandez
- From the Inova Heart and Vascular Institute, Falls Church, VA (L.B.C.); Department of Medicine (L.B.C., E.D.P., M.L.M., L.H.C., A.F.H.) and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (B.G.H., E.D.P., L.H.C., A.F.H.); Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor (B.P.); and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, NC (M.L.M.)
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Currie G, Taylor AHM, Fujita T, Ohtsu H, Lindhardt M, Rossing P, Boesby L, Edwards NC, Ferro CJ, Townend JN, van den Meiracker AH, Saklayen MG, Oveisi S, Jardine AG, Delles C, Preiss DJ, Mark PB. Effect of mineralocorticoid receptor antagonists on proteinuria and progression of chronic kidney disease: a systematic review and meta-analysis. BMC Nephrol 2016; 17:127. [PMID: 27609359 PMCID: PMC5015203 DOI: 10.1186/s12882-016-0337-0] [Citation(s) in RCA: 109] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 08/25/2016] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Hypertension and proteinuria are critically involved in the progression of chronic kidney disease. Despite treatment with renin angiotensin system inhibition, kidney function declines in many patients. Aldosterone excess is a risk factor for progression of kidney disease. Hyperkalaemia is a concern with the use of mineralocorticoid receptor antagonists. We aimed to determine whether the renal protective benefits of mineralocorticoid antagonists outweigh the risk of hyperkalaemia associated with this treatment in patients with chronic kidney disease. METHODS We conducted a meta-analysis investigating renoprotective effects and risk of hyperkalaemia in trials of mineralocorticoid receptor antagonists in chronic kidney disease. Trials were identified from MEDLINE (1966-2014), EMBASE (1947-2014) and the Cochrane Clinical Trials Database. Unpublished summary data were obtained from investigators. We included randomised controlled trials, and the first period of randomised cross over trials lasting ≥4 weeks in adults. RESULTS Nineteen trials (21 study groups, 1 646 patients) were included. In random effects meta-analysis, addition of mineralocorticoid receptor antagonists to renin angiotensin system inhibition resulted in a reduction from baseline in systolic blood pressure (-5.7 [-9.0, -2.3] mmHg), diastolic blood pressure (-1.7 [-3.4, -0.1] mmHg) and glomerular filtration rate (-3.2 [-5.4, -1.0] mL/min/1.73 m(2)). Mineralocorticoid receptor antagonism reduced weighted mean protein/albumin excretion by 38.7 % but with a threefold higher relative risk of withdrawing from the trial due to hyperkalaemia (3.21, [1.19, 8.71]). Death, cardiovascular events and hard renal end points were not reported in sufficient numbers to analyse. CONCLUSIONS Mineralocorticoid receptor antagonism reduces blood pressure and urinary protein/albumin excretion with a quantifiable risk of hyperkalaemia above predefined study upper limit.
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Affiliation(s)
- Gemma Currie
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Center, 126 University Place, Glasgow, UK.
| | - Alison H M Taylor
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Center, 126 University Place, Glasgow, UK
| | - Toshiro Fujita
- Division of Clinical Epigenetics, Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
| | - Hiroshi Ohtsu
- Department of Clinical Study and Informatics, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
| | | | - Peter Rossing
- Steno Diabetes Center, Niels Steensens Vej, Gentofte, Denmark
- Health, Aarhus University, Aarhus, Denmark
- NNF Centre for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Lene Boesby
- Department of Nephrology, Herlev Hospital, University of Copenhagen, Herlev, Denmark
| | - Nicola C Edwards
- Departments of Cardiology and Nephrology, University Hospital Birmingham and School of Clinical and Experimental Medicine, University of Birmingham, Birmingham, UK
| | - Charles J Ferro
- Departments of Cardiology and Nephrology, University Hospital Birmingham and School of Clinical and Experimental Medicine, University of Birmingham, Birmingham, UK
| | - Jonathan N Townend
- Departments of Cardiology and Nephrology, University Hospital Birmingham and School of Clinical and Experimental Medicine, University of Birmingham, Birmingham, UK
| | | | | | - Sonia Oveisi
- Metabolic Diseases Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Alan G Jardine
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Center, 126 University Place, Glasgow, UK
| | - Christian Delles
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Center, 126 University Place, Glasgow, UK
| | - David J Preiss
- Clinical Trial Service Unit and Epidemiological Studies Unit, University of Oxford, Oxford, UK
| | - Patrick B Mark
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Center, 126 University Place, Glasgow, UK
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Galbraith L, Hemmelgarn B, Manns B, Samuel S, Kappel J, Valk N, Ronksley P. The association between individual counselling and health behaviour change: the See Kidney Disease (SeeKD) targeted screening programme for chronic kidney disease. Can J Kidney Health Dis 2016; 3:35. [PMID: 27441093 PMCID: PMC4952194 DOI: 10.1186/s40697-016-0127-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Accepted: 07/02/2016] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Health behaviour change is an important component of management for patients with chronic kidney disease (CKD); however, the optimal method to promote health behaviour change for self-management of CKD is unknown. The See Kidney Disease (SeeKD) targeted screening programme screened Canadians at risk for CKD and promoted health behaviour change through individual counselling and goal setting. OBJECTIVES The objectives of this study are to determine the effectiveness of individual counselling sessions for eliciting behaviour change and to describe participant characteristics associated with behaviour change. DESIGN This is a cross-sectional, descriptive study. SETTING The study setting is the National SeeKD targeted screening programme. PATIENTS The participants are all 'at risk' patients who were screened for CKD and returned a follow-up health behaviour survey (n = 1129). MEASUREMENTS Health behaviour change was defined as a self-reported change in lifestyle, including dietary changes or medication adherence. METHODS An individual counselling session was provided to participants by allied healthcare professionals to promote health behaviour change. A survey was mailed to all participants at risk of CKD within 2-4 weeks following the screening event to determine if behaviour changes had been initiated. Descriptive statistics were used to describe respondent characteristics and self-reported behaviour change following screening events. Results were stratified by estimated glomerular filtration rate (eGFR) (< 60 and ≥ 60 mL/min/1.73 m(2)). Log binomial regression analysis was used to determine the predictors of behaviour change. RESULTS Of the 1129 respondents, the majority (89.8 %) reported making a health behaviour change after the screening event. Respondents who were overweight (body mass index [BMI] 25-29.9 kg/m(2)) or obese (BMI ≥ 30.0 kg/m(2)) were more likely to report a behaviour change (prevalence rate ratio (PRR) 0.66, 95 % confidence interval (CI) 0.44-0.99 and PRR 0.49, 95 % CI 0.30-0.80, respectively). Further, participants with a prior intent to change their behaviour were more likely to make a behaviour change (PRR 0.58, 95 % CI 0.35-0.96). Results did not vary by eGFR category. LIMITATIONS We are unable to determine the effectiveness of the behaviour change intervention given the lack of a control group. Potential response bias and social desirability bias must also be considered when interpreting the study findings. CONCLUSIONS Individual counselling and goal setting provided at screening events may stimulate behaviour change amongst individuals at risk for CKD. However, further research is required to determine if this behaviour change is sustained and the impact on CKD progression and outcomes.
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Affiliation(s)
- Lauren Galbraith
- />Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, HSC G239, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1 Canada
| | - Brenda Hemmelgarn
- />Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, HSC G239, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1 Canada
- />Department of Medicine, University of Calgary, Calgary, Canada
| | - Braden Manns
- />Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, HSC G239, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1 Canada
- />Department of Medicine, University of Calgary, Calgary, Canada
| | - Susan Samuel
- />Department of Medicine, University of Calgary, Calgary, Canada
| | - Joanne Kappel
- />Division of Nephrology, University of Saskatchewan, Saskatoon, Canada
| | - Nadine Valk
- />Kidney Foundation of Canada, Ottawa, Canada
| | - Paul Ronksley
- />Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, HSC G239, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1 Canada
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Sharaf El Din UAA, Salem MM, Abdulazim DO. Stop chronic kidney disease progression: Time is approaching. World J Nephrol 2016; 5:258-273. [PMID: 27152262 PMCID: PMC4848149 DOI: 10.5527/wjn.v5.i3.258] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Revised: 01/26/2016] [Accepted: 02/24/2016] [Indexed: 02/06/2023] Open
Abstract
Progression of chronic kidney disease (CKD) is inevitable. However, the last decade has witnessed tremendous achievements in this field. Today we are optimistic; the dream of withholding this progression is about to be realistic. The recent discoveries in the field of CKD management involved most of the individual diseases leading the patients to end-stage renal disease. Most of these advances involved patients suffering diabetic kidney disease, chronic glomerulonephritis, polycystic kidney disease, renal amyloidosis and chronic tubulointerstitial disease. The chronic systemic inflammatory status and increased oxidative stress were also investigated. This inflammatory status influences the anti-senescence Klotho gene expression. The role of Klotho in CKD progression together with its therapeutic value are explored. The role of gut as a major source of inflammation, the pathogenesis of intestinal mucosal barrier damage, the role of intestinal alkaline phosphatase and the dietary and therapeutic implications add a novel therapeutic tool to delay CKD progression.
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Shi H, Zhang A, He Y, Yang M, Gan W. Effects of p53 on aldosterone-induced mesangial cell apoptosis in vivo and in vitro. Mol Med Rep 2016; 13:5102-8. [PMID: 27109859 PMCID: PMC4878551 DOI: 10.3892/mmr.2016.5156] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2015] [Accepted: 03/29/2016] [Indexed: 12/26/2022] Open
Abstract
Aldosterone (ALD) is a well‑known hormone, which may initiate renal injury by inducing mesangial cell (MC) injury in chronic kidney disease (CKD); however, the molecular mechanism remains unknown. The aim of the present study was to investigate the effects of p53 on ALD‑induced MC apoptosis and elucidate the underlying molecular mechanism. For the in vivo studies, rats were randomly assigned to receive normal saline or ALD for 4 weeks. The ratio of MC apoptosis was analysed by terminal deoxynucleotidyl transferase dUTP nick end labelling (TUNEL) assay. In addition, the expression level and localisation of p53, a well-known cell apoptosis-associated key protein, were detected by immunofluorescence. For the in vitro studies, rat MCs were incubated in medium containing either buffer (control) or ALD (10‑6 M) for 24 h. The cell apoptosis ratio was assessed by flow cytometry, and the expression level of p53 was assessed by reverse transcription quantitative polymerase chain reaction and western blotting. In order to confirm the role of p53 in ALD‑regulated cell apoptosis, a rescue experiment was performed using targeted small interfering (si)RNA to downregulate the expression of p53. The ALD‑treated rats exhibited greater numbers of TUNEL‑positive MCs and higher expression levels of p53 when compared with the control group. Furthermore, the ratio of MC apoptosis and the p53 expression level were significantly increased following ALD exposure, compared with the control group. Additionally, in the rescue experiment, the effects of ALD on MC were blocked by downregulating the expression level of p53 in MCs. The present study hypothesized that ALD may directly contribute to the occurrence of MC apoptosis via p53, which may participate in ALD-induced renal injury.
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Affiliation(s)
- Huimin Shi
- Department of Pediatric Nephrology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210011, P.R. China
| | - Aiqing Zhang
- Department of Pediatric Nephrology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210011, P.R. China
| | - Yanfang He
- Department of Pediatric Nephrology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210011, P.R. China
| | - Min Yang
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu 200040, P.R. China
| | - Weihua Gan
- Department of Pediatric Nephrology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210011, P.R. China
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Werth S, Lehnert H, Steinhoff J. [Diabetic nephropathy: current diagnostics and treatment]. Internist (Berl) 2016; 56:513-9. [PMID: 25762007 DOI: 10.1007/s00108-014-3629-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Diabetic kidney disease is a leading cause of renal failure in Germany. Albuminuria is an early diagnostic indicator of renal damage in diabetes and, aside from renal failure, a major risk factor of cardiovascular disease. An early diagnosis of diabetic kidney disease is of great importance to reduce associated cardiovascular mortality; glycemic control should aim for HbA1c levels of < 7 %. Guidelines on blood pressure differ, but it should generally be reduced to < 140/90 mmHg; stricter limits should be applied if albuminuria is present. ACE inhibitors (ACE-I) or angiotensin receptor blockers (ARB) should be preferred for blood pressure control. A combination of ACE-Is and ARBs or a renin-inhibitor therapy does not improve cardiovascular outcome, instead it increases the rate of adverse events, e.g., hyperkalemia or renal failure. Lipid control, usually with statins, should be started at an early phase of renal failure. Vitamin D receptor activation and uric acid reduction might play a future role in the treatment of diabetic kidney disease. Pharmacological modification of inflammatory signaling appears to be promising but is not yet of clinical relevance.
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Affiliation(s)
- S Werth
- Medizinische Klinik I, Universitätsklinikum Schleswig-Holstein - Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Deutschland
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84
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Characteristics of Dialysis Patients in Hemodialysis Centers in Isfahan. HOSPITAL PRACTICES AND RESEARCH 2016. [DOI: 10.20286/hpr-010121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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85
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Bramlage P, Swift SL, Thoenes M, Minguet J, Ferrero C, Schmieder RE. Non-steroidal mineralocorticoid receptor antagonism for the treatment of cardiovascular and renal disease. Eur J Heart Fail 2015; 18:28-37. [DOI: 10.1002/ejhf.444] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 09/13/2015] [Accepted: 09/21/2015] [Indexed: 11/12/2022] Open
Affiliation(s)
- Peter Bramlage
- Institute for Pharmacology and Preventive Medicine; Mahlow Germany
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy; University of Sevilla; Spain
| | | | | | - Joan Minguet
- Institute for Pharmacology and Preventive Medicine; Mahlow Germany
| | - Carmen Ferrero
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy; University of Sevilla; Spain
| | - Roland E. Schmieder
- Department of Nephrology and Hypertension; University Hospital of the University Erlangen-Nürnberg; Erlangen Germany
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86
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Abstract
Chronic kidney disease (CKD) is associated with significant morbidity and mortality, impacted not alone by progression to end-stage kidney disease, but also by the high associated incidence of cardiovascular events and related mortality. Despite our current understanding of the pathogenesis of CKD and the treatments available, the reported incidence of CKD continues to rise worldwide, and is often referred to as the silent public healthcare epidemic. The significant cost to patient wellbeing and to the economy of managing the later stages of CKD have prompted efforts to develop interventions to delay the development and progression of this syndrome. In this article, we review established and novel agents that may aid in delaying the progression of CKD and improve patient outcomes.
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Affiliation(s)
- Frank Ward
- St Vincent's University Hospital, Dublin 4, Ireland
| | - John Holian
- St Vincent's University Hospital, Dublin 4, Ireland
| | - Patrick T Murray
- School of Medicine, University College Dublin, Health Sciences Centre, Dublin 4, Ireland
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87
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Norris KC, Nicholas SB. Strategies for Controlling Blood Pressure and Reducing Cardiovascular Disease Risk in Patients with Chronic Kidney Disease. Ethn Dis 2015; 25:515-20. [PMID: 26675050 PMCID: PMC4671428 DOI: 10.18865/ed.25.4.515] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Patients with chronic kidney disease (CKD) suffer from an increased prevalence of cardiovascular disease (CVD) risk factors, and a high rate of premature CV morbidity and mortality. The confluence of CV risk factors, in the context of cardio-metabolic perturbations that vary as renal function declines, complicates strategies for the care of patients with CKD. Understanding the existing evidence for effective CVD treatment strategies can help providers better care for these patients, navigate the complex treatment guidelines, which often differ across major organizations, and minimize the conflicting recommendations that new studies may pose. A pragmatic approach is to target a BP <140/90 mm Hg, which frequently requires more than two or three antihypertensive agents. Most guidelines recommend a combination of diuretic and angiotensin converting enzyme inhibitor or angiotensin receptor blockers, along with a dihydropyridine calcium channel blocker, beta blocker or other agent based on co-existing medical conditions. Consideration for a lower BP goal and/or other therapeutic interventions should be based on the etiology of CKD, stage of CKD, and/or presence of proteinuria. Finally, most patients with CKD, not on dialysis, would benefit from treatment with statins and non-pharmacologic lifestyle interventions should be promoted for all patients with CKD.
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Affiliation(s)
- Keith C. Norris
- 1. Division of General Internal Medicine and Division of Nephrology; Department of Medicine; David Geffen School of Medicine; University of California, Los Angeles
| | - Susanne B. Nicholas
- 2. Division of Nephrology and Division of Endocrinology, Diabetes and Hypertension; Department of Medicine; David Geffen School of Medicine; University of California, Los Angeles
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88
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Rossignol P, Massy ZA, Azizi M, Bakris G, Ritz E, Covic A, Goldsmith D, Heine GH, Jager KJ, Kanbay M, Mallamaci F, Ortiz A, Vanholder R, Wiecek A, Zoccali C, London GM, Stengel B, Fouque D. The double challenge of resistant hypertension and chronic kidney disease. Lancet 2015; 386:1588-98. [PMID: 26530623 DOI: 10.1016/s0140-6736(15)00418-3] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Resistant hypertension is defined as blood pressure above goal despite adherence to a combination of at least three optimally dosed antihypertensive medications, one of which is a diuretic. Chronic kidney disease is the most frequent of several patient factors or comorbidities associated with resistant hypertension. The prevalence of resistant hypertension is increased in patients with chronic kidney disease, while chronic kidney disease is associated with an impaired prognosis in patients with resistant hypertension. Recommended low-salt diet and triple antihypertensive drug regimens that include a diuretic, should be complemented by the sequential addition of other antihypertensive drugs. New therapeutic innovations for resistant hypertension, such as renal denervation and carotid barostimulation, are under investigation especially in patients with advanced chronic kidney disease. We discuss resistant hypertension in chronic kidney disease stages 3-5 (ie, patients with an estimated glomerular filtration rate below 60 mL/min per 1·73 m(2) and not on dialysis), in terms of worldwide epidemiology, outcomes, causes and pathophysiology, evidence-based treatment, and a call for action.
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Affiliation(s)
- Patrick Rossignol
- INSERM Centre d'Investigations Cliniques (CIC)-1433, and INSERM U1116, Nancy, France; Institut Lorrain du Cœur et des Vaisseaux, CHU Nancy, Vandoeuvre lès Nancy, France; Université de Lorraine, Nancy, France; Association Lorraine pour le Traitement de l'Insuffisance Rénale, Vandoeuvre lès Nancy, France.
| | - Ziad A Massy
- Division of Nephrology, Ambroise Paré University Hospital (APHP), University of Paris Ouest-Versailles-Saint-Quentin-en-Yvelines (UVSQ), Boulogne-Billancourt, Paris, France; INSERM U1018, Research Centre in Epidemiology and Population Health (CESP), UVSQ, Villejuif, France
| | - Michel Azizi
- APHP, Hôpital Européen Georges Pompidou, Unité d'Hypertension artérielle, Paris, France; Université Paris Descartes, Paris, France; INSERM CIC-1418, Paris, France
| | - George Bakris
- Department of Medicine, University of Chicago Medicine, Chicago, IL, USA
| | - Eberhard Ritz
- Department Internal Medicine, Ruperto Carola University of Heidelberg, Germany
| | - Adrian Covic
- Parhon University Hospital, Grigore T Popa University of Medicine, Iasi, Romania
| | - David Goldsmith
- Renal and Transplantation Department, Guy's and St Thomas' Hospitals, London, UK
| | - Gunnar H Heine
- Internal Medicine IV-Nephrology and Hypertension, Saarland University Medical Centre, Homburg, Germany
| | - Kitty J Jager
- ERA-EDTA Registry, Department of Medical Informatics, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Mehmet Kanbay
- Department of Medicine, Division of Nephrology, Koc University School of Medicine, Istanbul, Turkey
| | - Francesca Mallamaci
- Nephrology, Hypertension and Renal Transplantation Unit, Ospedali Riuniti, Reggio Calabria, Italy; CNR (National Research Council of Italy) Institute of Clinical Physiology (IFC), Clinical Epidemiology and Pathophysiology of Renal Diseases and Hypertension, Ospedali Riuniti, Reggio Calabria, Italy
| | - Alberto Ortiz
- Division of Nephrology, IIS-Fundacion Jimenez Diaz, Madrid, Spain; School of Medicine, Universidad Autonoma de Madrid, Madrid, Spain; Red de Investigacion Renal (REDINREN), Madrid, Spain; Insituto Reina Sofia de Investigaciones Nefrológicas (IRSIN), Madrid, Spain
| | - Raymond Vanholder
- Nephrology Section, Department of Internal Medicine, University Hospital Ghent, Belgium
| | - Andrzej Wiecek
- Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Katowice, Poland
| | - Carmine Zoccali
- CNR (National Research Council of Italy) Institute of Clinical Physiology (IFC), Clinical Epidemiology and Pathophysiology of Renal Diseases and Hypertension, Ospedali Riuniti, Reggio Calabria, Italy
| | | | | | - Denis Fouque
- Department of Nephrology, Nutrition, and Dialysis, Centre Hospitalier Lyon Sud, Carmen-CENS, Université de Lyon, Lyon, France
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89
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Morales E, Caro J, Gutierrez E, Sevillano A, Auñón P, Fernandez C, Praga M. Diverse diuretics regimens differentially enhance the antialbuminuric effect of renin-angiotensin blockers in patients with chronic kidney disease. Kidney Int 2015; 88:1434-1441. [PMID: 26308670 DOI: 10.1038/ki.2015.249] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Revised: 06/20/2015] [Accepted: 06/25/2015] [Indexed: 12/14/2022]
Abstract
The addition of spironolactone or hydrochlorothiazide enhances the antialbuminuric effect of renin-angiotensin blockers. However, comparative studies on the effect of different diuretics are lacking. We conducted a prospective randomized crossover study to compare the effects of spironolactone (25 mg/day), hydrochlorothiazide (50 mg/day) without/with amiloride (5 mg/day) on top of enalapril treatment in 21 patients with CKD stages 1-3 and a urinary albumin-to-creatinine ratio (UACR) over 300 mg/g. Treatment periods lasted 4 weeks. The UACR showed a significant reduction with the diuretics: spironolactone, -34% or hydrochlorothiazide without/with amiloride -42% or -56%, respectively. Reduction of the UACR was significantly greater with hydrochlorothiazide without/with amiloride when compared with spironolactone. The percentage of patients who achieved UACR reductions greater than 30% and 50% was greater with hydrochlorothiazide without/with amiloride (81% and 57%, and 81% and 66%, respectively) when compared with spironolactone alone (57% and 28%, respectively). Glomerular filtration rate (GFR), blood pressure, and body weight decreased with the three diuretic regimens. A significant correlation was found between the UACR reduction and GFR and blood pressure changes. Thus, diverse diuretic regimens differentially enhance albuminuria reduction, an effect likely associated with the degree of GFR reduction.
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Affiliation(s)
- Enrique Morales
- Department of Nephrology, University Hospital 12 de Octubre, Madrid, Spain
| | - Jara Caro
- Department of Nephrology, University Hospital 12 de Octubre, Madrid, Spain
| | - Eduardo Gutierrez
- Department of Nephrology, University Hospital 12 de Octubre, Madrid, Spain
| | - Angel Sevillano
- Department of Nephrology, University Hospital 12 de Octubre, Madrid, Spain
| | - Pilar Auñón
- Department of Nephrology, University Hospital 12 de Octubre, Madrid, Spain
| | - Cristina Fernandez
- Research and Clinical Epidemiology Unit, Department of Preventive Medicine, Hospital Clinic, San Carlos, Madrid, Spain
| | - Manuel Praga
- Department of Nephrology, University Hospital 12 de Octubre, Madrid, Spain.,Department of Medicine, Complutense University, Madrid, Spain
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90
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Ng KP, Arnold J, Sharif A, Gill P, Townend JN, Ferro CJ. Cardiovascular actions of mineralocorticoid receptor antagonists in patients with chronic kidney disease: A systematic review and meta-analysis of randomized trials. J Renin Angiotensin Aldosterone Syst 2015; 16:599-613. [PMID: 25784710 DOI: 10.1177/1470320315575849] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 02/07/2015] [Indexed: 11/15/2022] Open
Abstract
INTRODUCTION The safety and actions of mineralocorticoid receptor antagonists on surrogate markers of cardiovascular disease as well as major patient level cardiovascular end-points in patients with chronic kidney disease are unclear. METHODS MEDLINE, EMBASE, Trip Database, Cochrane Central Register of Controlled Trials, Cochrane Renal Group specialized register, Current Controlled Trials and clinicaltrials.gov were searched for relevant trials. RESULTS Twenty-nine trials (1581 patients) were included. Overall, mineralocorticoid receptor antagonists lowered both systolic and diastolic blood pressure (-5.24, 95% confidence interval (CI) -8.65, -1.82 mmHg; p=0.003 and -1.96, 95% CI -3.22, -0.69 mmHg; p=0.002 respectively). There were insufficient data to perform a meta-analysis of other cardiovascular effects. However, a systematic review of the studies included suggested a consistent improvement in surrogate markers of cardiovascular disease. Overall, the use of mineralocorticoid receptor antagonists was associated with an increased serum potassium (0.23, 95% CI 0.13, 0.33 mmol/l; p<0.0001) and higher risk ratio (1.76, 95% CI 1.20, 2.57; p=0.001) of hyperkalemia. Data on long-term cardiovascular outcomes and mortality were not available in any of the trials. CONCLUSIONS The long-term effects of mineralocorticoid receptor antagonists on cardiovascular events, mortality and safety need to be established.
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Affiliation(s)
- Khai P Ng
- Department of Nephrology, Queen Elizabeth Hospital and University of Birmingham, UK
| | - Julia Arnold
- Department of Nephrology, Queen Elizabeth Hospital and University of Birmingham, UK
| | - Adnan Sharif
- Department of Nephrology, Queen Elizabeth Hospital and University of Birmingham, UK
| | - Paramjit Gill
- Primary Care Clinical Sciences, University of Birmingham, UK
| | - Jonathan N Townend
- Department of Cardiology, Queen Elizabeth Hospital and University of Birmingham, UK
| | - Charles J Ferro
- Department of Nephrology, Queen Elizabeth Hospital and University of Birmingham, UK
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91
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Abstract
BACKGROUND Diabetes is a leading cause of end-stage kidney disease (ESKD) mainly due to development and progression of diabetic kidney disease (DKD). In absence of definitive treatments of DKD, small studies showed that vitamin B may help in delaying progression of DKD by inhibiting vascular inflammation and endothelial cell damage. Hence, it could be beneficial as a treatment option for DKD. OBJECTIVES To assess the benefits and harms of vitamin B and its derivatives in patients with DKD. SEARCH METHODS We searched the Cochrane Renal Group's Specialised Register to 29 October 2012 through contact with the Trials' Search Co-ordinator using search terms relevant to this review. SELECTION CRITERIA We included randomised controlled trials comparing vitamin B or its derivatives, or both with placebo, no treatment or active treatment in patients with DKD. We excluded studies comparing vitamin B or its derivatives, or both among patients with pre-existing ESKD. DATA COLLECTION AND ANALYSIS Two authors independently assessed study eligibility, risk of bias and extracted data. Results were reported as risk ratio (RR) or risk differences (RD) with 95% confidence intervals (CI) for dichotomous outcomes and mean difference (MD) with 95% CI for continuous outcomes. Statistical analyses were performed using the random-effects model. MAIN RESULTS Nine studies compared 1354 participants randomised to either vitamin B or its derivatives with placebo or active control were identified. A total of 1102 participants were randomised to single vitamin B derivatives, placebo or active control in eight studies, and 252 participants randomised to multiple vitamin B derivatives or placebo. Monotherapy included different dose of pyridoxamine (four studies), benfotiamine (1), folic acid (1), thiamine (1), and vitamin B12 (1) while combination therapy included folic acid, vitamin B6, and vitamin B12 in one study. Treatment duration ranged from two to 36 months. Selection bias was unclear in three studies and low in the remaining six studies. Two studies reported blinding of patient, caregiver and observer and were at low risk of performance and detection bias, two studies were at high risk bias, and five studies were unclear. Attrition bias was high in one study, unclear in one study and low in seven studies. Reporting bias was high in one study, unclear in one study, and low in the remaining seven studies. Four studies funded by pharmaceutical companies were judged to be at high risk bias, three were at low risk of bias, and two were unclear.Only a single study reported a reduction in albuminuria with thiamine compared to placebo, while second study reported reduction in glomerular filtration rate (GFR) following use of combination therapy. No significant difference in the risk of all-cause mortality with pyridoxamine or combination therapy was reported. None of the vitamin B derivatives used either alone or in combination improved kidney function: increased in creatinine clearance, improved the GFR; neither were effective in controlling blood pressure significantly compared to placebo or active control. One study reported a significant median reduction in urinary albumin excretion with thiamine treatment compared to placebo. No significant difference was found between vitamin B combination therapy and control group for serious adverse events, or one or more adverse event per patient. Vitamin B therapy was reported to well-tolerated with mild side effects in studies with treatment duration of more than six months. Studies of less than six months duration did not explicitly report adverse events; they reported that the drugs were well-tolerated without any serious drug related adverse events. None of the included studies reported cardiovascular death, progression from macroalbuminuria to ESKD, progression from microalbuminuria to macroalbuminuria, regression from microalbuminuria to normoalbuminuria, doubling of SCr, and quality of life. We were not able to perform subgroup or sensitivity analyses or assess publication bias due to insufficient data. AUTHORS' CONCLUSIONS There is an absence of evidence to recommend the use of vitamin B therapy alone or combination for delaying progression of DKD. Thiamine was found to be beneficial for reduction in albuminuria in a single study; however, there was lack of any improvement in kidney function or blood pressure following the use of vitamin B preparations used alone or in combination. These findings require further confirmation given the limitations of the small number and poor quality of the available studies.
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Affiliation(s)
- Amit D Raval
- School of Pharmacy West Virginia UniversityDepartment of Pharmaceutical Systems and Policy1 Medical Center DriveMorgantownWest VirginiaUSA26506
| | - Divyesh Thakker
- Shrimati Kaumudiniben Health Outcome Research Group (SKHORG)Near Depala's choraDhrangadhraGujaratIndia363310
| | - Arohi N Rangoonwala
- Shrimati Kaumudiniben Health Outcome Research Group (SKHORG)Near Depala's choraDhrangadhraGujaratIndia363310
| | - Deval Gor
- University of Illinois at ChicagoDepartment of Pharmacy Administration833, S Wood StreetChicagoIllinoisUSA60612
| | - Rama Walia
- Post Graduate Institute of Medical Education and Research (PGIMER)Department of EndocrinologyChandigarhIndia160 012
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