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Your search keyword '"Klauser-Braun, R"' showing total 7 results
Start Over Author "Klauser-Braun, R" Topic renal dialysis
7 results on '"Klauser-Braun, R"'

1. Telomere Length Is Associated with Increased Risk of Cardiovascular Events in Patients with End-Stage Kidney Disease on Hemodialysis.

Author

Vostatek R, Hohensinner P, Schmaldienst S, Lorenz M, Klauser-Braun R, Pabinger I, Säemann M, Ay C, and Königsbrügge O

Subjects
Humans, Female, Male, Middle Aged, Aged, Prospective Studies, Telomere Shortening, Risk Factors, Myocardial Infarction genetics, Myocardial Infarction epidemiology, Incidence, Kidney Failure, Chronic complications, Kidney Failure, Chronic therapy, Renal Dialysis, Telomere, Cardiovascular Diseases epidemiology, Cardiovascular Diseases genetics, Cardiovascular Diseases etiology
Abstract

Introduction: Patients with chronic kidney disease, especially those with end-stage kidney disease (ESKD) on hemodialysis (HD), are at increased risk for cardiovascular disease (CVD), including myocardial infarction and ischemic stroke. A shortening in telomere length, as a parameter for accelerated vascular aging, is an established biomarker for CVD in the general population. We aimed to elucidate the role of telomere length in ESKD patient on HD and its association with cardiovascular outcomes., Methods: Telomere length was measured in a prospective population-based cohort study of prevalent HD patients. DNA was isolated from whole blood, sampled at baseline, and analyzed for telomere length via a qPCR-based approach. The risk for the occurrence of the independently adjudicated three-point major adverse cardiovascular event outcome (myocardial infarction, ischemic stroke, and cardiovascular death) was statistically analyzed considering the competing risk of non-cardiovascular death., Results: In the cohort of 308 patients with ESKD (115 [37.3%] women, median [25th-75th percentile] age: 67.0 [56.8-76.0]), the median telomere length was 1.51 kb (25th-75th percentile 0.6-3.2 kb). The 3P-MACE outcome occurred with an incidence rate of 9.4 per 100 patient-years. Patients with longer telomere length more frequently had vascular nephropathy compared to patients with shorter telomere length. Interestingly, patients in the highest quartile of telomere length had a 1.8-fold increased risk for 3P-MACE (95% CI: 1.051-3.201, p = 0.033), after multivariable adjustment for age, history of stroke, myocardial infarction, venous thromboembolism, presence of heart valve replacement, atrial fibrillation, smoking, anticoagulation, or immunosuppressive use., Conclusion: Surprisingly, in this high-risk cohort of patients with ESKD on HD, longer telomere lengths were associated with increased risk of cardiovascular events., (© 2024 The Author(s). Published by S. Karger AG, Basel.)

Published
2024
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2. Antithrombotic agents for primary and secondary prevention of cardiovascular events in patients with end-stage renal disease on chronic hemodialysis.

Author

Königsbrügge O, Schmaldienst S, Auinger M, Klauser-Braun R, Lorenz M, Tabernig S, Kletzmayr J, Enzenberger B, Eigner M, Hecking M, Siller-Matula JM, Pabinger I, Säemann M, and Ay C

Subjects
Adult, Aged, Anticoagulants therapeutic use, Austria, Cohort Studies, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Prevalence, Cardiovascular Diseases epidemiology, Cardiovascular Diseases prevention & control, Fibrinolytic Agents therapeutic use, Kidney Failure, Chronic epidemiology, Kidney Failure, Chronic therapy, Renal Dialysis, Secondary Prevention
Abstract

Background and Aims: Cardiovascular disease (CVD) is common in patients with end-stage renal disease (ESRD) on hemodialysis (HD). However, antithrombotic therapy to prevent CVD increases the risk of bleeding. We aimed to investigate the prevalence of CVD and the practice patterns of antithrombotic agents in patients with ESRD on HD., Methods: In a cross-sectional population based cohort of chronic HD patients (n = 626) from Vienna, Austria, the medical histories of patients and use of antithrombotic treatment were recorded, and the distribution of antithrombotic therapies for primary (n = 260, 41.5%) or secondary (n = 366, 58.5%) prevention of CVD was analyzed., Results: Single antiplatelet therapy (SAPT) was used in 234 patients (37.4%), dual antiplatelet (DAPT) in 50 (8.0%), combination of anticoagulation and antiplatelet in 59 (9.4%), anticoagulation monotherapy in 78 (12.5%), and no antithrombotics in 205 patients (32.7%). The prevalence of CVD was 58.5%. In primary CVD prevention, 23.5% (n = 61) of patients were treated with SAPT. For secondary prevention, SAPT was used in 173 (47.3%), DAPT in 49 (13.4%), and dual antithrombotic therapies in 50 patients (13.7%), while 55 (15.0%) patients received no antithrombotics. Age (odds ratio [OR] per 1 year increase 0.96, 95%CI 0.94-0.99, p = 0.004) and hereditary nephropathy (OR 4.13, 95%CI 1.08-15.78, p = 0.038) were independently associated with the absence of antithrombotic therapy in secondary CVD prevention., Conclusion: The majority of patients did not receive antithrombotic therapy for primary prevention. Only 15% did not receive antithrombotic agents in the secondary prevention setting. The net-clinical benefit of antithrombotic therapy in ESRD needs to be determined., Competing Interests: Declaration of competing interest The authors declared they do not have anything to disclose regarding conflict of interest with respect to this manuscript., (Copyright © 2020 Elsevier B.V. All rights reserved.)

Published
2020
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3. Venous thromboembolism and vascular access thrombosis in patients with end-stage renal disease on maintenance hemodialysis: Cross-sectional results of the Vienna InVestigation of AtriaL fibrillation and thromboembolism in patients on hemoDIalysis (VIVALDI).

Author

Königsbrügge O, Lorenz M, Auinger M, Schmaldienst S, Klauser-Braun R, Kletzmayr J, Grilz E, Posch F, Antlanger M, Pabinger I, Säemann M, and Ay C

Subjects
Aged, Cross-Sectional Studies, Female, Humans, Middle Aged, Renal Dialysis methods, Risk Factors, Atrial Fibrillation etiology, Kidney Failure, Chronic complications, Renal Dialysis adverse effects, Venous Thromboembolism etiology
Abstract

Background: Patients with end-stage renal disease (ESRD) on maintenance hemodialysis (HD) are at risk for occurrence of vascular access thrombosis and venous thromboembolism (VTE). Understanding the extent of these complications and identifying risk factors can help improve management strategies., Methods: Adult HD patients were cross-sectionally recruited into the Vienna InVestigation of AtriaL fibrillation and thromboembolism in patients on hemoDIalysis (VIVALDI). In this investigation, retrospective data on the incidence and risk of VTE and vascular access thrombosis was analyzed using logistic regression and negative binomial regression for counts of vascular access thrombosis episodes., Results: The analysis includes 626 patients on HD, which constitutes 73% of the total HD population in Vienna, Austria. One-hundred-seventy-eight patients (28.4%) had 275 vascular access thrombosis events during 2463.1 patient-years on HD, corresponding to an incidence rate (IR) of 111.6 events per 1000 patient-years on HD. In the multivariable negative binomial regression model, we found that patients suffered from vascular access thrombosis 2.5 times more often (IR ratio 2.63, 95% confidence interval [CI] 1.48-4.68, p=0.001) if toxic nephropathy was their cause of ESRD (n=28, 4.5%) compared to patients with other causes of ESRD. Sixty-one patients (9.7%) had a history of VTE and the IR of VTE events during the time on HD was 10.9 per 1000 patient-years on HD (women: IR 15.1, men IR 8.6). Female sex (odds ratio [OR] 1.90, 95%CI 1.07-3.36, p=0.029) and atrial fibrillation (OR 2.00, 95%CI 1.10-3.64, p=0.023) were independently associated with VTE., Conclusions: Thromboembolic events including vascular access thrombosis and VTE are frequent complications in patients on HD. Risk evaluation for thromboembolism, including sex and clinical parameters, may identify high-risk patients and improve their clinical management., (Copyright © 2017 Elsevier Ltd. All rights reserved.)

Published
2017
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4. Blood volume-monitored regulation of ultrafiltration to decrease the dry weight in fluid-overloaded hemodialysis patients: a randomized controlled trial.

Author

Antlanger M, Josten P, Kammer M, Exner I, Lorenz-Turnheim K, Eigner M, Paul G, Klauser-Braun R, Sunder-Plassmann G, Säemann MD, and Hecking M

Subjects
Adult, Aged, Cross-Over Studies, Female, Humans, Male, Middle Aged, Ultrafiltration methods, Blood Volume physiology, Body Weight physiology, Kidney Failure, Chronic physiopathology, Kidney Failure, Chronic therapy, Renal Dialysis methods
Abstract

Background: Because chronic fluid volume overload is associated with higher mortality, we tested whether blood-volume monitored regulation of ultrafiltration and dialysate conductivity (UCR) and/or regulation of ultrafiltration and temperature (UTR) would facilitate dry weight reduction, in comparison to conventional dialysis (CONV)., Methods: We carried out a multicenter, 4-week, randomized controlled trial in hemodialysis patients ≥15% above normal extracellular fluid volume (ECV), per bioimpedance spectroscopy, who were randomized 1:1:1. Applying UCR (Nikkiso), UTR (Fresenius) and CONV, initial dry weight was reduced rapidly to target. Dry weight reduction was attenuated and eventually stopped at the occurrence of dialysis complications. The primary outcome was defined as intra- and postdialytic complications. Secondary outcomes were magnitudes of dry weight and blood pressure reduction., Results: Of 244 patients assessed, N = 95 had volume overload ≥15% above normal ECV. Fifty patients received the allocated interventions (N = 16 UCR, N = 18 UTR, N = 16 CONV) and completed the trial. The rate of complications was significantly lower in UTR compared to CONV (21 ± 21% vs 34 ± 20%, p = 0.022), and also compared to UCR (vs 39 ± 27%, p = 0.028), but not statistically different between UCR and CONV (p = 0.93). Dry weight reduction was significantly higher in UTR compared to UCR (5.0 ± 3.4% vs 2.0 ± 2.7% body weight, p = 0.013), but not compared to CONV (vs 3.9 ± 2.1% body weight, p = 0.31). Systolic blood pressure reduction throughout the intervention phase was 17 ± 22 mmHg overall, but not significantly different between the three groups. Average maximum ultrafiltration rates were significantly higher in UTR than in UCR and CONV, at statistically similar dialysis times. Retrospective examination of randomly selected hemodialysis sessions in the UCR group identified technical mistakes in 36% of the dialysis sessions, despite considerable training efforts., Conclusions: Even in patients with volume overload, fluid removal was challenging. Despite the relative advantage of UTR, which must be interpreted with caution in view of the poor technical execution of UCR, this study renders clear that fluid removal must not be reinforced rapidly. Apprehension of this obstacle is imperative for future clinical and academic endeavors aimed at improving dialysis outcomes by correcting volume status., Trial Registration: ClinicalTrials.gov ( NCT01416753 ), trial registration date: August 12, 2011.

Published
2017
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5. Prevalence of Atrial Fibrillation and Antithrombotic Therapy in Hemodialysis Patients: Cross-Sectional Results of the Vienna InVestigation of AtriaL Fibrillation and Thromboembolism in Patients on HemoDIalysis (VIVALDI).

Author

Königsbrügge O, Posch F, Antlanger M, Kovarik J, Klauser-Braun R, Kletzmayr J, Schmaldienst S, Auinger M, Zuntner G, Lorenz M, Grilz E, Stampfel G, Steiner S, Pabinger I, Säemann M, and Ay C

Subjects
Age Factors, Aged, Atrial Fibrillation diagnosis, Austria epidemiology, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Prevalence, Time Factors, Anticoagulants therapeutic use, Atrial Fibrillation epidemiology, Renal Dialysis, Thromboembolism drug therapy
Abstract

Background: Atrial fibrillation (AF) adds significant risk of stroke and thromboembolism in patients on hemodialysis (HD). The aim of this study was to investigate the prevalence of AF in a population-based cohort of HD patients and practice patterns of antithrombotic therapy for stroke prevention in AF., Methods: The Vienna InVestigation of AtriaL fibrillation and thromboembolism in patients on hemodialysis (VIVALDI), an ongoing prospective observational cohort study, investigates the prevalence of AF and the risk of thromboembolic events in HD patients in Vienna, Austria. We analyzed cross-sectional data of 626 patients (63.4% men, median age 66 years, approx. 73% of HD patients in Vienna), who provided informed consent. A structured interview with each patient was performed, recent and archived ECGs were viewed and medical histories were verified with electronic records., Results: The overall prevalence of AF was 26.5% (166 patients, 71.1% men, median age 72 years) of which 57.8% had paroxysmal AF, 3.0% persistent AF, 32.5% permanent AF, and 6.6% of patients had newly diagnosed AF. The median CHA2DS2-VASc Score was 4 [25th-75th percentile 3-5]. In multivariable analysis, AF was independently associated with age (odds ratio: 1.05 per year increase, 95% confidence interval: 1.03-1.07), male sex (1.7, 1.1-2.6), history of venous thromboembolism (2.0, 1.1-3.6), congestive heart failure (1.7, 1.1-2.5), history of or active cancer (1.5, 1.0-2.4) and time on HD (1.08 per year on HD, 1.03-1.13). Antithrombotic treatment was applied in 84.4% of AF patients (anticoagulant agents in 29.5%, antiplatelet agents in 33.7%, and both in 21.1%). In AF patients, vitamin-K-antagonists were used more often than low-molecular-weight heparins (30.1% and 19.9%)., Conclusions: The prevalence of AF is high amongst HD patients and is associated with age, sex, and distinct comorbidities. Practice patterns of antithrombotic treatment indicate a lack of consensus for stroke prevention in HD patients with AF., Competing Interests: The authors have declared that no competing interests exist.

Published
2017
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6. Acute infection with a single hepatitis C virus strain in dialysis patients: Analysis of adaptive immune response and viral variability.

Author

Weseslindtner L, Neumann-Haefelin C, Viazov S, Haberstroh A, Kletzmayr J, Aberle JH, Timm J, Ross SR, Klauser-Braun R, Baumert TF, Roggendorf M, Thimme R, and Holzmann H

Subjects
Adult, Base Sequence, Cross Infection immunology, Cross Infection virology, Cytokines blood, Female, Genotype, Hepacivirus genetics, Hepatitis C blood, Hepatitis C immunology, Humans, Male, Middle Aged, Molecular Sequence Data, Polymerase Chain Reaction, RNA, Viral genetics, T-Lymphocytes, Helper-Inducer immunology, Th1 Cells immunology, Transaminases blood, Viral Load, CD4-Positive T-Lymphocytes immunology, CD8-Positive T-Lymphocytes immunology, Hepacivirus immunology, Hepatitis C epidemiology, Renal Dialysis adverse effects
Abstract

Background/aims: While the adaptive immune response is crucial for spontaneous resolution of acute hepatitis C virus (HCV) infection, it also constitutes the driving force for viral escape. For acutely HCV-infected dialysis patients, little is known about the host response and its impact on viral evolution., Methods: Four haemodialysis patients accidentally infected with the same HCV strain were prospectively investigated with respect to the clinical course, CD4+ and CD8+ T-cell responses, neutralizing antibodies, viral kinetics and sequence variability., Results: In one patient, a robust CD4+ T-cell response was associated with transient control of infection, while in the other patients, weak responses correlated with persistently high viremia. Despite the presence of CD8+ T-cell effectors in the first patient, no sequence differences were detected in targeted regions of the viral genome in any of the patients when viral persistence was established. Genetic stability in the envelope genes, including the hypervariable regions, correlated with low-level or absent neutralizing antibodies in all of the patients., Conclusions: The establishment of viral persistence in the special patient group of dialysis patients is due to a failure of the adaptive immune system, as shown by the absence of significant T-cell and antibody responses, as well as viral variability.

Published
2009
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7. Effect of Cinacalcet on Cardiovascular Disease in Patients Undergoing Dialysis

Author

Chertow GM, Block GA, Correa-Rotter R, Drüeke TB, Floege J, Goodman WG, Herzog CA, Kubo Y, London GM, Mahaffey KW, Mix TC, Moe SM, Trotman ML, Wheeler DC, Parfrey PS., Evolve Team, Chertow G, Parfrey P, Block G, Drüeke T, Goodman W, Herzog C, London G, Mahaffey K, Moe S, Wheeler D, Hennekens C, Baigent C, Brown W, O'Brien P, Anderson S, Hoel J, Szczech L, Patel U, Wampole J, Pun P, Felker M, Inrig J, Shah S, Hernandez A, Patel C, Brennan M, Albizem M, Capper E, Cauchi L, Cheng S, Dehmel B, Dhami K, Durham C, Francioni M, Gadd S, Goodman B, Guimaraes L, Grey N, Hamlin R, Harris C, Harris E, Heavey S, Heiges T, Heiser D, Jaeger P, James M, James P, Karimi S, Kewalramani R, Kraszewski A, Liang J, Maguire J, McCormick K, McFarlane K, Mix C, Modafferi D, Prathikanti R, Ryan C, Santiago N, Schumacher J, Seder C, Shahinfar S, Soares B, Stolman D, Tisher C, Trotman M, Tseng S, Ulias G, Unger P, Vyshenskaya A, Walsh L, White C, Wilde K, Santos J, Zarazaga C, Marin I, Garrote N, Cusumano A, Penalba N, Del Valle E, Juncos L, Saye J, Lef L, Altobelli V, Petraglia G, Rosa-Diez G, Douthat W, Lobo J, Gallart C, Lafalla A, Diez G, Linares B, Lopez N, Ramirez N, Gonzalez R, Valtuille R, Beresan H, Hermida O, Rudolf G, Marchetta N, Rano M, Ramirez M, Garcia N, Gillies A, Jones B, Pedagogos E, Walker R, Talaulikar G, Bannister K, Suranyi M, Kark A, Roger S, Kerr P, Disney A, Mount P, Fraenkel M, Mathew M, Fassett R, Jose M, Hawley C, Lonergan M, Mackie J, Ferrari P, Menahem S, Sabto J, Hutchison B, Langham R, Pollock C, Holzer H, Oberbauer R, Arias I, Graf H, Mayer G, Lhotta K, Neyer U, Klauser-Braun R, Hoerl W, Horn S, Kovarik J, Kramar R, Eigner M, Dhaene M, Billiouw J, De Meester J, Warling X, Cambier-Dwelschauwers P, Evenepoel P, Daelemans R, Dratwa M, Maes B, Stolear J, Dejagere T, Vanwalleghem J, Bouman K, Jadoul M, Peeters J, Vanholder R, Tielemans C, Donck J, Almeida F, de Oliveira J, Burdmann E, Garcia V, Thome F, Deboni L, Bregman R, Lugon J, Araújo S, Ferreira Filho S, Daher Ede F, Baptista M, Carvalho A, d'Avila D, Moyses Neto M, Yu L, Bastos M, Lacativa P, Jorgetti V, Romão Ede A, da Costa JC, Pecoits Filho R, Gordan P, Salgado N, Araújo M, Coelho S, Oliveira I, Moysés R, Vasconcellos L, Batista P, Gross J, Pedrosa A, Cournoyer S, LeBlanc M, Chow S, Karunakaran S, Wong G, Tobe S, Desmeules S, Zimmerman D, Murphy S, Montambault P, Donnelly S, MacRae J, Culleton B, Soroka S, Rabbat C, Jindal K, Vasilevsky M, Michaud M, Wijeyesinghe E, Zacharias J, Lok C, Muirhead N, Verrelli M, Da Roza G, Sapir D, Olgaard K, Daugaard H, Brandi L, Jensen P, Boulechfar H, Ang K, Simon P, Rieu P, Brunet P, Touchard G, Torres P, Combe C, Durrbach A, Ortiz J, Hannedouche T, Vela C, Lionet A, Ryckelynck P, Zaoui P, Choukroun G, Fessi H, Lang P, Stroumza P, Joly D, Mousson C, Laville M, Dellanna F, Erley C, Braun J, Rambausek M, Riegel W, Klingberg M, Schwertfeger E, Wizemann V, Eckardt K, Reichel H, Passauer J, Hübel E, Frischmuth N, Liebl R, Fiedler R, Schwenger V, Voßkühler A, Kunzendorf U, Renders L, Rattensberger D, Rump L, Ketteler M, Neumayer H, Zantvoort F, Stahl R, Ladanyi E, Braun B, Kulcsar I, Mezei I, Csiky B, Rikker C, Arkossy O, Berta K, Szegedi J, Major L, Ferenczi S, Fekete A, Szabo T, Zakar G, Wagner G, Erdelyine S, Borbas B, Eustace J, Reddan D, Capasso G, Locatelli F, Villa G, Cozzolino M, Brancaccio D, Messa P, Bolasco P, Ricciardi B, Malberti F, Moriero E, Cannella G, Ortalda V, Stefoni S, Frascà G, Cappelli G, Albertazzi A, Zoccali C, Farina M, Elli A, Avella F, Ondei P, Mingardi G, Errico R, Losito A, Di Giulio S, Pertosa G, Schena F, Grandaliano G, Gesualdo L, Auricchio M, Bochicchio-Ricardelli T, Correa-Rotter J, Verástegui F, Peña J, Wong A, Cruz-Valdez J, Zamora M, Solis M, Diaz M, Flores M, Sandoval E, van den Dorpel M, Brink H, Van Kuijk W, Vermeij C, Gregoor P, Hagen E, van der Sande F, Klinger M, Nowicki M, Muszytowski M, Bidas K, Bentkowski W, Wiecek A, Ksiazek A, Marczewski K, Ostrowski M, Switalski M, Sulowicz W, Matuszkiewicz-Rowinska J, Mysliwiec M, Durlik M, Rutkowski B, Macario F, Carvalho B, Frazao J, Machado D, Weigert A, Andrusev A, Khrustalev O, Zemtchenkov A, Gurevich K, Staroselsky K, Khadikova N, Rozhinskaya L, Timokhovskaya G, Strokov A, Balkarova O, Ermolenko V, Kolmakova E, Komandenko M, Timofeev M, Shilo V, Shostka G, Smirnov A, Anashkin V, Volgina G, Domashenko O, Gurevich A, Perlin D, García J, Ribes E, Piera E, Lucas M, Galicia M, Prados M, González M, Romero R, de Francisco ÁM, Montenegro J, Santiago C, García F, de La Ossa J, Arrieta J, Pons J, Martín-Malo A, Amigó J, Cases A, Sterner G, Jensen G, Wikström B, Jacobson S, Lund U, Weiss L, Ståhl A, von Albertini B, Burnier M, Meier P, Martin P, Uehlinger D, Dickenmann M, Yaqoob M, Zehnder D, Kalra P, Padmanabhan N, Roe S, Eadington D, Pritchard N, Hutchison A, Davies S, Wilkie M, Davies M, Pai P, Swift P, Kwan J, Goldsmith D, Tomson C, Stratton J, Dasgupta I, Sarkar S, Moustafa M, Gandhi K, Jamal A, Galindo-Ramos E, Tuazon J, Batlle D, Tucker K, Schiller-Moran B, Assefi A, Martinez C, Samuels L, Goldman J, Cangiano-Rivera J, Darwish R, Lee M, Topf J, Kapatkin K, Baer H, Kopelman R, Acharya M, Tharpe D, Bernardo M, Nader P, Guzman-Rivera J, Pergola P, Sekkarie M, Alas E, Zager P, Liss K, Navarro J, Roppolo M, Denu-Ciocca C, Kshirsagar A, El Khatib M, Kant K, Scott D, Murthyr B, Finkelstein F, Keightley G, McCrary R, Pitone J, Cavalieri T, Tsang A, Pellegrino B, Schmidt R, Ahmad S, Brown C, Friedman E, Mittman N, Fadem S, Shapiro W, Reddy M, Goldberger S, Woredekal Y, Agarwal A, Anger M, Haque M, Chidester P, Kohli R, Rubinstein S, Newman G, Gladish R, Ayodeji O, Soman S, Sprague S, Hunt N, Gehr T, Rizk D, Warnock D, Polack D, Pahl M, Fischer D, Dreyer P, James G, Husserl F, Rogers T, Raff A, Sedor J, Silver M, Smith M, Steinberg S, DelGiorno T, Jones E, Cunha P, Cheng J, Pogue V, Blumenthal S, Brown E, Charytan C, Buerkert J, Cook M, Felsenfeld A, Tareen N, Gupta A, Herman T, Diamond S, Hura C, Laski M, MacLaurin J, Plumb T, Brosnahan G, Kumar J, Henriquez M, Poole C, Osanloo E, Matalon A, Sholer C, Arfeen S, Azer M, Belledonne M, Gross M, Dunnigan E, McConnell K, Becker B, Rigolosi R, Spiegel D, Stegman M, Patak R, Streja D, Ranjit U, Youell T, Wooldridge T, Stafford C, Cottiero R, Weinberg M, Schonefeld M, Shahmir E, Hazzan A, Ashfaq A, Bhandari K, Cleveland W, Culpepper M, Golden J, Lai L, Lien Y, Lorica V, Robertson J, Malireddi K, Morse S, Thakur V, Israelit A, Raguram P, Alfred H, Weise W, Al-Saghir F, El Shahawy M, Rastogi A, Nissenson A, Kopyt N, Lynn R, Lea J, McClellan W, Teredesai P, Ong S, Tolkan S, Sugihara J, Minga T, Mehrotra R, Minasian R, Bhatia D, Specter R, Capelli J, Sidhu P, Dalal S, Dykes P, Khan M, Rahim F, Saklayen M, Thomas A, Michael B, Torres M, Al-Bander H, Murray B, Abukurah A, Gupta B, Nosrati S, Raja R, Zeig S, Braun M, Amatya A, Endsley J, Sharon Z, Dolson G, Dumler F, Ntoso K, Rosansky S, Kumar N, Gura V, Thompson N, Goldfarb D, Halligan R, Middleton J, Widerhorn A, Arbeit L, Arruda J, Crouch T, Friedman L, Khokhar S, Mittleman J, Light P, Taparia B, West C, Cotton J, Dhingra R, Kleinman L, Arif F, Lew S, Nammour T, Sterrett J, Williams M, Ramirez J, Rubin J, McCarthy J, Noble S, Chaffin M, Rekhi A., Chertow, Gm, Block, Ga, Correa-Rotter, R, Drüeke, Tb, Floege, J, Goodman, Wg, Herzog, Ca, Kubo, Y, London, Gm, Mahaffey, Kw, Mix, Tc, Moe, Sm, Trotman, Ml, Wheeler, Dc, Parfrey, Ps., Evolve, Team, Chertow, G, Parfrey, P, Block, G, Drüeke, T, Goodman, W, Herzog, C, London, G, Mahaffey, K, Moe, S, Wheeler, D, Hennekens, C, Baigent, C, Brown, W, O'Brien, P, Anderson, S, Hoel, J, Szczech, L, Patel, U, Wampole, J, Pun, P, Felker, M, Inrig, J, Shah, S, Hernandez, A, Patel, C, Brennan, M, Albizem, M, Capper, E, Cauchi, L, Cheng, S, Dehmel, B, Dhami, K, Durham, C, Francioni, M, Gadd, S, Goodman, B, Guimaraes, L, Grey, N, Hamlin, R, Harris, C, Harris, E, Heavey, S, Heiges, T, Heiser, D, Jaeger, P, James, M, James, P, Karimi, S, Kewalramani, R, Kraszewski, A, Liang, J, Maguire, J, Mccormick, K, Mcfarlane, K, Mix, C, Modafferi, D, Prathikanti, R, Ryan, C, Santiago, N, Schumacher, J, Seder, C, Shahinfar, S, Soares, B, Stolman, D, Tisher, C, Trotman, M, Tseng, S, Ulias, G, Unger, P, Vyshenskaya, A, Walsh, L, White, C, Wilde, K, Santos, J, Zarazaga, C, Marin, I, Garrote, N, Cusumano, A, Penalba, N, Del Valle, E, Juncos, L, Saye, J, Lef, L, Altobelli, V, Petraglia, G, Rosa-Diez, G, Douthat, W, Lobo, J, Gallart, C, Lafalla, A, Diez, G, Linares, B, Lopez, N, Ramirez, N, Gonzalez, R, Valtuille, R, Beresan, H, Hermida, O, Rudolf, G, Marchetta, N, Rano, M, Ramirez, M, Garcia, N, Gillies, A, Jones, B, Pedagogos, E, Walker, R, Talaulikar, G, Bannister, K, Suranyi, M, Kark, A, Roger, S, Kerr, P, Disney, A, Mount, P, Fraenkel, M, Mathew, M, Fassett, R, Jose, M, Hawley, C, Lonergan, M, Mackie, J, Ferrari, P, Menahem, S, Sabto, J, Hutchison, B, Langham, R, Pollock, C, Holzer, H, Oberbauer, R, Arias, I, Graf, H, Mayer, G, Lhotta, K, Neyer, U, 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Subjects
Adult, Male, Dialysis, Cinacalcet, Cardiovascular Disease, medicine.medical_specialty, Calcimimetic, medicine.medical_treatment, Naphthalenes, Coronary artery disease, Renal Dialysis, Internal medicine, Odds Ratio, medicine, Humans, Intensive care medicine, Aged, Etelcalcetide, Hyperparathyroidism, Hypocalcemia, business.industry, General Medicine, Middle Aged, medicine.disease, Intention to Treat Analysis, Cardiovascular Diseases, Parathyroid Hormone, Cinacalcet Hydrochloride, Kidney Failure, Chronic, Female, Hyperparathyroidism, Secondary, Secondary hyperparathyroidism, business, medicine.drug
Abstract

Disorders of mineral metabolism, including secondary hyperparathyroidism, are thought to contribute to extraskeletal (including vascular) calcification among patients with chronic kidney disease. It has been hypothesized that treatment with the calcimimetic agent cinacalcet might reduce the risk of death or nonfatal cardiovascular events in such patients.In this clinical trial, we randomly assigned 3883 patients with moderate-to-severe secondary hyperparathyroidism (median level of intact parathyroid hormone, 693 pg per milliliter [10th to 90th percentile, 363 to 1694]) who were undergoing hemodialysis to receive either cinacalcet or placebo. All patients were eligible to receive conventional therapy, including phosphate binders, vitamin D sterols, or both. The patients were followed for up to 64 months. The primary composite end point was the time until death, myocardial infarction, hospitalization for unstable angina, heart failure, or a peripheral vascular event. The primary analysis was performed on the basis of the intention-to-treat principle.The median duration of study-drug exposure was 21.2 months in the cinacalcet group, versus 17.5 months in the placebo group. The primary composite end point was reached in 938 of 1948 patients (48.2%) in the cinacalcet group and 952 of 1935 patients (49.2%) in the placebo group (relative hazard in the cinacalcet group vs. the placebo group, 0.93; 95% confidence interval, 0.85 to 1.02; P=0.11). Hypocalcemia and gastrointestinal adverse events were significantly more frequent in patients receiving cinacalcet.In an unadjusted intention-to-treat analysis, cinacalcet did not significantly reduce the risk of death or major cardiovascular events in patients with moderate-to-severe secondary hyperparathyroidism who were undergoing dialysis. (Funded by Amgen; EVOLVE ClinicalTrials.gov number, NCT00345839.).

Published
2012

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