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Gerald Appel

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https://www.readbyqxmd.com/read/30450464/clinical-characteristics-and-treatment-patterns-of-children-and-adults-with-iga-nephropathy-or-iga-vasculitis-findings-from-the-curegn-study
#1
David T Selewski, Josephine M Ambruzs, Gerald B Appel, Andrew S Bomback, Raed Bou Matar, Yi Cai, Daniel C Cattran, Aftab S Chishti, Vivette D D'Agati, Cynthia J D'Alessandri-Silva, Rasheed A Gbadegesin, Jonathan J Hogan, Sandra Iragorri, J Charles Jennette, Bruce A Julian, Myda Khalid, Richard A Lafayette, Helen Liapis, Francesca Lugani, Sarah A Mansfield, Sherene Mason, Patrick H Nachman, Cynthia C Nast, Carla M Nester, Damien G Noone, Jan Novak, Michelle M O'Shaughnessy, Heather N Reich, Michelle N Rheault, Dana V Rizk, Manish K Saha, Neil S Sanghani, C John Sperati, Rajasree Sreedharan, Tarak Srivastava, Agnieszka Swiatecka-Urban, Katherine Twombley, Tetyana L Vasylyeva, Donald J Weaver, Hong Yin, Jarcy Zee, Ronald J Falk, Ali G Gharavi, Brenda W Gillespie, Debbie S Gipson, Larry A Greenbaum, Lawrence B Holzman, Matthias Kretzler, Bruce M Robinson, William E Smoyer, Michael Flessner, Lisa M Guay-Woodford, Krzysztof Kiryluk
Introduction: The Cure Glomerulonephropathy Network (CureGN) is a 66-center longitudinal observational study of patients with biopsy-confirmed minimal change disease, focal segmental glomerulosclerosis, membranous nephropathy, or IgA nephropathy (IgAN), including IgA vasculitis (IgAV). This study describes the clinical characteristics and treatment patterns in the IgA cohort, including comparisons between IgAN versus IgAV and adult versus pediatric patients. Methods: Patients with a diagnostic kidney biopsy within 5 years of screening were eligible to join CureGN...
November 2018: KI Reports
https://www.readbyqxmd.com/read/30318163/effects-of-bardoxolone-methyl-on-body-weight-waist-circumference-and-glycemic-control-in-obese-patients-with-type-2-diabetes-mellitus-and-stage-4-chronic-kidney-disease
#2
Glenn M Chertow, Gerald B Appel, Geoffrey A Block, Melanie P Chin, Daniel W Coyne, Angie Goldsberry, Kamyar Kalantar-Zadeh, Colin J Meyer, Mark E Molitch, Pablo E Pergola, Philip Raskin, Arnold L Silva, Bruce Spinowitz, Stuart M Sprague, Peter Rossing
AIMS: Obesity is associated with progression of chronic kidney disease (CKD). Treatment with bardoxolone methyl in a multinational phase 3 trial, Bardoxolone Methyl Evaluation in Patients with Chronic Kidney Disease and Type 2 Diabetes (BEACON), resulted in increases in estimated glomerular filtration rate (eGFR) with concurrent reductions in body weight. We performed post-hoc analyses to further characterize reductions in body weight with bardoxolone methyl. METHODS: Eligible patients with type 2 diabetes (T2DM) and CKD stage 4 (eGFR 15 to <30 mL/min/1...
September 13, 2018: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/30077212/c3-glomerulopathy-a-new-disease-comes-of-age
#3
EDITORIAL
Gerald B Appel
No abstract text is available yet for this article.
August 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29580788/tailoring-ct-dose-to-patient-size-implementation-of-the-updated-2017-acr-size-specific-diagnostic-reference-levels
#4
Yan Klosterkemper, Elisabeth Appel, Christoph Thomas, Oliver T Bethge, Joel Aissa, Patric Kröpil, Gerald Antoch, Johannes Boos
RATIONALE AND OBJECTIVES: To use an automatic computed tomography (CT) dose monitoring system to analyze the institutional chest and abdominopelvic CT dose data as regards the updated 2017 American College of Radiology (ACR) diagnostic reference levels (DRLs) based on water-equivalent diameter (Dw) and size-specific dose estimates (SSDE) to detect patient-size subgroups in which CT dose can be optimized. MATERIALS AND METHODS: All chest CT examinations performed between July 2016 and April 2017 with and without contrast material, CT of the pulmonary arteries, and abdominopelvic CT with and without contrast material were included in this retrospective study...
March 23, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29531077/-ubd-modifies-apol1-induced-kidney-disease-risk
#5
Jia-Yue Zhang, Minxian Wang, Lei Tian, Giulio Genovese, Paul Yan, James G Wilson, Ravi Thadhani, Amy K Mottl, Gerald B Appel, Alexander G Bick, Matthew G Sampson, Seth L Alper, David J Friedman, Martin R Pollak
People of recent African ancestry develop kidney disease at much higher rates than most other groups. Two specific coding variants in the Apolipoprotein-L1 gene APOL1 termed G1 and G2 are the causal drivers of much of this difference in risk, following a recessive pattern of inheritance. However, most individuals with a high-risk APOL1 genotype do not develop overt kidney disease, prompting interest in identifying those factors that interact with APOL1 We performed an admixture mapping study to identify genetic modifiers of APOL1 -associated kidney disease...
March 27, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29478072/treatment-of-rapidly-progressive-glomerulonephritis-in-the-elderly
#6
Gerald B Appel, Wai L Lau
As the population worldwide ages, the epidemic of kidney disease will also increase. Anti-neutrophil cytoplasmic antibodies (ANCA) positive rapidly progressive positive glomerulonephritis (RPGN) is the most common etiology for biopsied patients among the very elderly. Its pathological features and clinical course are well described, though there is still debate about the mechanism of injury involved in individual patients. From very ancient times, the cornerstone of treatment historically has been high-dose cyclophosphamide and a lengthy course of high-dose corticosteroids...
2018: Blood Purification
https://www.readbyqxmd.com/read/29361843/use-of-online-recruitment-strategies-in-a-randomized-trial-of-cancer-survivors
#7
Stephen P Juraschek, Timothy B Plante, Jeanne Charleston, Edgar R Miller, Hsin-Chieh Yeh, Lawrence J Appel, Gerald J Jerome, Debra Gayles, Nowella Durkin, Karen White, Arlene Dalcin, Manuel Hermosilla
BACKGROUND/AIMS: Despite widespread Internet adoption, online advertising remains an underutilized tool to recruit participants into clinical trials. Whether online advertising is a cost-effective method to enroll participants compared to other traditional forms of recruitment is not known. METHODS: Recruitment for the Survivorship Promotion In Reducing IGF-1 Trial, a community-based study of cancer survivors, was conducted from June 2015 through December 2016 via in-person community fairs, advertisements in periodicals, and direct postal mailings...
April 2018: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/29326307/mycophenolate-mofetil-in-combination-with-steroids-for-treatment-of-c3-glomerulopathy-a-case-series
#8
Rupali S Avasare, Pietro A Canetta, Andrew S Bomback, Maddalena Marasa, Yasar Caliskan, Yasemin Ozluk, Yifu Li, Ali G Gharavi, Gerald B Appel
BACKGROUND AND OBJECTIVES: C3 glomerulopathy is a form of complement-mediated GN. Immunosuppressive therapy may be beneficial in the treatment of C3 glomerulopathy. Mycophenolate mofetil is an attractive treatment option given its role in the treatment of other complement-mediated diseases and the results of the Spanish Group for the Study of Glomerular Diseases C3 Study. Here, we study the outcomes of patients with C3 glomerulopathy treated with steroids and mycophenolate mofetil. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective chart review of patients in the C3 glomerulopathy registry at Columbia University and identified patients treated with mycophenolate mofetil for at least 3 months and follow-up for at least 1 year...
March 7, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29310824/c3-glomerulonephritis-and-dense-deposit-disease-share-a-similar-disease-course-in-a-large-united-states-cohort-of-patients-with-c3-glomerulopathy
#9
Andrew S Bomback, Dominick Santoriello, Rupali S Avasare, Renu Regunathan-Shenk, Pietro A Canetta, Wooin Ahn, Jai Radhakrishnan, Maddalena Marasa, Paul E Rosenstiel, Leal C Herlitz, Glen S Markowitz, Vivette D D'Agati, Gerald B Appel
C3 glomerulonephritis (C3GN) and dense deposit disease comprise the two classes of C3 glomerulopathy. Studies from Europe and Asia have aided our understanding of this recently defined disorder, but whether these data apply to a diverse United States patient population remains unclear. We, therefore, reviewed clinical and histopathological data, including generation of a C3 Glomerulopathy Histologic Index to score biopsy activity and chronicity, to determine predictors of progression to end-stage renal disease (ESRD) and advanced chronic kidney disease (CKD) in 111 patients (approximately 35% non-white) with C3 glomerulopathy: 87 with C3GN and 24 with dense deposit disease...
April 2018: Kidney International
https://www.readbyqxmd.com/read/29261100/institutional-computed-tomography-diagnostic-reference-levels-based-on-water-equivalent-diameter-and-size-specific-dose-estimates
#10
Johannes Boos, Christoph Thomas, Elisabeth Appel, Yan Klosterkemper, Christoph Schleich, Joel Aissa, Oliver Th Bethge, Gerald Antoch, Patric Kröpil
Size-specific institutional diagnostic reference levels (DRLs) were generated for chest and abdominopelvic computed tomography (CT) based on size-specific dose estimates (SSDEs) and depending on patients' water-equivalent diameter (Dw). 1690 CT examinations were included in the IRB-approved retrospective study. SSDEs based on the mean water-equivalent diameter of the entire scan volume were calculated automatically. SSDEs were analyzed for different patient sizes and institutional DRLs (iDRLS; 75% percentiles) based on Dw and SSDEs were generated...
June 2018: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29204651/whole-exome-sequencing-in-adults-with-chronic-kidney-disease-a-pilot-study
#11
Sneh Lata, Maddalena Marasa, Yifu Li, David A Fasel, Emily Groopman, Vaidehi Jobanputra, Hila Rasouly, Adele Mitrotti, Rik Westland, Miguel Verbitsky, Jordan Nestor, Lindsey M Slater, Vivette D'Agati, Marcin Zaniew, Anna Materna-Kiryluk, Francesca Lugani, Gianluca Caridi, Luca Rampoldi, Aditya Mattoo, Chad A Newton, Maya K Rao, Jai Radhakrishnan, Wooin Ahn, Pietro A Canetta, Andrew S Bomback, Gerald B Appel, Corinne Antignac, Glen S Markowitz, Christine K Garcia, Krzysztof Kiryluk, Simone Sanna-Cherchi, Ali G Gharavi
Background: The utility of whole-exome sequencing (WES) for the diagnosis and management of adult-onset constitutional disorders has not been adequately studied. Genetic diagnostics may be advantageous in adults with chronic kidney disease (CKD), in whom the cause of kidney failure often remains unknown. Objective: To study the diagnostic utility of WES in a selected referral population of adults with CKD. Design: Observational cohort. Setting: A major academic medical center...
January 16, 2018: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29142924/complement-mediated-glomerular-diseases-a-tale-of-3-pathways
#12
REVIEW
Andrew S Bomback, Glen S Markowitz, Gerald B Appel
A renewed interest in the role of complement in the pathogenesis of glomerular diseases has improved our understanding of their basic, underlying physiology. All 3 complement pathways-classical, lectin, and alternative-have been implicated in glomerular lesions both rare (e.g., dense deposit disease) and common (e.g., IgA nephropathy). Here we review the basic function of these pathways and highlight, with a disease-specific focus, how activation can lead to glomerular injury. We end by exploring the promise of complement-targeted therapies as disease-specific interventions for glomerular diseases...
September 2016: KI Reports
https://www.readbyqxmd.com/read/28624677/cardiorespiratory-benefits-of-group-exercise-among-adults-with-serious-mental-illness
#13
Gerald J Jerome, Deborah Rohm Young, Arlene T Dalcin, Nae-Yuh Wang, Joseph Gennusa, Stacy Goldsholl, Lawrence J Appel, Gail L Daumit
This study examined cardiorespiratory fitness (CRF) among adults with serious mental illness (SMI) participating in group exercise classes. Overweight and obese adults with SMI were randomized to either a control condition or a weight management condition with group exercise classes (n = 222). Submaximal bicycle ergometry was used to assess CRF at baseline, 6 and 18 months. Those with ≥ 66% participation in the exercise classes had a lower heart rate response at 6 and 18 month follow-up. Participation in group exercise classes was associated with improved short and long term cardiovascular fitness among adults with SMI...
October 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28398006/a-cost-analysis-of-implementing-a-behavioral-weight-loss-intervention-in-community-mental-health-settings-results-from-the-achieve-trial
#14
Ellen M Janssen, Gerald J Jerome, Arlene T Dalcin, Joseph V Gennusa, Stacy Goldsholl, Kevin D Frick, Nae-Yuh Wang, Lawrence J Appel, Gail L Daumit
OBJECTIVE: In the ACHIEVE randomized controlled trial, an 18-month behavioral intervention accomplished weight loss in persons with serious mental illness who attended community psychiatric rehabilitation programs. This analysis estimates costs for delivering the intervention during the study. It also estimates expected costs to implement the intervention more widely in a range of community mental health programs. METHODS: Using empirical data, costs were calculated from the perspective of a community psychiatric rehabilitation program delivering the intervention...
June 2017: Obesity
https://www.readbyqxmd.com/read/28339906/interstitial-fibrosis-scored-on-whole-slide-digital-imaging-of-kidney-biopsies-is-a-predictor-of-outcome-in-proteinuric-glomerulopathies
#15
Laura H Mariani, Sebastian Martini, Laura Barisoni, Pietro A Canetta, Jonathan P Troost, Jeffrey B Hodgin, Matthew Palmer, Avi Z Rosenberg, Kevin V Lemley, Hui-Ping Chien, Jarcy Zee, Abigail Smith, Gerald B Appel, Howard Trachtman, Stephen M Hewitt, Matthias Kretzler, Serena M Bagnasco
Background: Interstitial fibrosis (IF), tubular atrophy (TA) and interstitial inflammation (II) are known determinants of progression of renal disease. Standardized quantification of these features could add value to current classification of glomerulopathies. Methods: We studied 315 participants in the Nephrotic Syndrome Study Network (NEPTUNE) study, including biopsy-proven minimal change disease (MCD = 98), focal segmental glomerulosclerosis (FSGS = 121), membranous nephropathy (MN = 59) and IgA nephropathy (IgAN = 37)...
February 1, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28314581/a-proposal-for-standardized-grading-of-chronic-changes-in-native-kidney-biopsy-specimens
#16
Sanjeev Sethi, Vivette D D'Agati, Cynthia C Nast, Agnes B Fogo, An S De Vriese, Glen S Markowitz, Richard J Glassock, Fernando C Fervenza, Surya V Seshan, Andrew Rule, Lorraine C Racusen, Jai Radhakrishnan, Christopher G Winearls, Gerald B Appel, Ingeborg M Bajema, Anthony Chang, Robert B Colvin, H Terence Cook, Sundaram Hariharan, Loren P Herrera Hernandez, Neeraja Kambham, Michael Mengel, Karl A Nath, Helmut G Rennke, Pierre Ronco, Brad H Rovin, Mark Haas
Chronic changes represent an important component of native kidney biopsy evaluation and have a major bearing on predicting prognosis and guiding treatment. We propose here a uniform, semiquantitative approach to assessing such changes, which include glomerulosclerosis, tubular atrophy, interstitial fibrosis, and arteriosclerosis, and we report these findings as an overall chronicity grade.
April 2017: Kidney International
https://www.readbyqxmd.com/read/28198690/thrombotic-microangiopathies-similar-presentations-different-therapies
#17
REVIEW
Gerald B Appel
Thrombotic thrombocytopenic purpura, Shiga toxin hemolytic uremic syndrome, atypical hemolytic uremic syndrome, and antiphospholipid syndrome are thrombotic microangiopathies that present similarly but arise from different causes. Management depends on distinguishing them promptly and providing targeted therapy.
February 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28056461/predicting-post-transplant-recurrence-of-iga-nephropathy-the-importance-of-crescents
#18
Rupali S Avasare, Paul E Rosenstiel, Ziad S Zaky, Demetra S Tsapepas, Gerald B Appel, Glen S Markowitz, Andrew S Bomback, Pietro A Canetta
BACKGROUND: Most studies that have assessed the predictors of recurrent IgA nephropathy (IgAN) in the renal allograft have focused on post-transplant features. Identifying high-risk pre-transplant features of IgAN is useful for counseling patients and may help in tailoring post-transplant immunosuppression. METHODS: We investigated the pre-transplant clinical and biopsy features of 62 patients with IgAN who received transplants at Columbia University Medical Center from 2001 to 2012 and compared the characteristics and outcomes of patients with IgAN recurrence to those without recurrence...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/27821627/a-randomized-controlled-trial-of-rituximab-in-iga-nephropathy-with-proteinuria-and-renal-dysfunction
#19
RANDOMIZED CONTROLLED TRIAL
Richard A Lafayette, Pietro A Canetta, Brad H Rovin, Gerald B Appel, Jan Novak, Karl A Nath, Sanjeev Sethi, James A Tumlin, Kshama Mehta, Marie Hogan, Stephen Erickson, Bruce A Julian, Nelson Leung, Felicity T Enders, Rhubell Brown, Barbora Knoppova, Stacy Hall, Fernando C Fervenza
IgA nephropathy frequently leads to progressive CKD. Although interest surrounds use of immunosuppressive agents added to standard therapy, several recent studies have questioned efficacy of these agents. Depleting antibody-producing B cells potentially offers a new therapy. In this open label, multicenter study conducted over 1-year follow-up, we randomized 34 adult patients with biopsy-proven IgA nephropathy and proteinuria >1 g/d, maintained on angiotensin-converting enzyme inhibitors or angiotensin receptor blockers with well controlled BP and eGFR<90 ml/min per 1...
April 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27528553/the-relatively-poor-correlation-between-random-and-24-hour-urine-protein-excretion-in-patients-with-biopsy-proven-glomerular-diseases
#20
Marie C Hogan, Heather N Reich, Peter J Nelson, Sharon G Adler, Daniel C Cattran, Gerald B Appel, Debbie S Gipson, Matthias Kretzler, Jonathan P Troost, John C Lieske
Random urine protein creatinine ratios are used to estimate 24-hour urine protein excretion, which is considered a diagnostic gold standard. However, few studies are available of the sensitivity and specificity of this estimation in patients with glomerular proteinuria. To clarify this, we measured the urine protein and creatinine centrally in random and 24-hour urine collections at biopsy and longitudinally every 6 months in individuals participating in the Nephrotic Syndrome Study Network (NEPTUNE) cohort with glomerular disease...
November 2016: Kidney International
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