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Browsing by Author "Gibson, Keisha L."
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Item Racial-Ethnic Differences in Health-Related Quality of Life among Adults and Children with Glomerular Disease(Karger, 2021) Krissberg, Jill R.; Helmuth, Margaret E.; Almaani, Salem; Cai, Yi; Cattran, Daniel; Chatterjee, Debanjana; Gbadegesin, Rasheed A.; Gibson, Keisha L.; Glenn, Dorey A.; Greenbaum, Laurence A.; Iragorri, Sandra; Jain, Koyal; Khalid, Myda; Kidd, Jason M.; Kopp, Jeffrey B.; Lafayette, Richard; Nestor, Jordan G.; Parekh, Rulan S.; Reidy, Kimberly J.; Selewski, David T.; Sperati, C. John; Tuttle, Katherine R.; Twombley, Katherine; Vasylyeva, Tetyana L.; Weaver, Donald Jack; Wenderfer, Scott E.; O’Shaughnessy, Michelle M.; Pediatrics, School of MedicineIntroduction: Disparities in health-related quality of life (HRQOL) have been inadequately studied in patients with glomerular disease. The aim of this study was to identify relationships between race/ethnicity, socioeconomic status, disease severity, and HRQOL in an ethnically and racially diverse cohort of patients with glomerular disease. Methods: Cure Glomerulonephropathy (CureGN) is a multinational cohort study of patients with biopsy-proven glomerular disease. Associations between race/ethnicity and HRQOL were determined by the following: 1. Missed school or work due to kidney disease; 2. Responses to Patient Reported Outcomes Measurement Information System (PROMIS) questionnaires. We adjusted for demographics, socioeconomic status, and disease characteristics using multivariable logistic and linear regression. Results: Black and Hispanic participants had worse socioeconomic status and more severe glomerular disease than White or Asian participants. Black adults missed work or school most frequently due to kidney disease (30% versus 16-23% in the other three groups, p=0.04), and had the worst self-reported global physical health (median score 44.1 versus 48.0-48.2, p<0.001) and fatigue (53.8 versus 48.5-51.1, p=0.002), compared to other racial/ethnic groups. However, these findings were not statistically significant with adjustment for socioeconomic status and disease severity, both of which were strongly associated with HRQOL in adults. Among children, disease severity but not race/ethnicity or socioeconomic status were associated with HRQOL. Conclusions: Among patients with glomerular disease enrolled in CureGN, the worse HRQOL reported by Black adults was attributable to lower socioeconomic status and more severe glomerular disease. No racial/ethnic differences in HRQOL were observed in children.Item Study Design and Baseline Characteristics of the CARDINAL Trial: A Phase 3 Study of Bardoxolone Methyl in Patients with Alport Syndrome(Karger, 2021) Chertow, Glenn M.; Appel, Gerald B.; Andreoli, Sharon; Bangalore, Sripal; Block, Geoffrey A.; Chapman, Arlene B.; Chin, Melanie P.; Gibson, Keisha L.; Goldsberry, Angie; Iijima, Kazumoto; Inker, Lesley A.; Knebelmann, Bertrand; Mariani, Laura H.; Meyer, Colin J.; Nozu, Kandai; O'Grady, Megan; Silva, Arnold L.; Stenvinkel, Peter; Torra, Roser; Warady, Bradley A.; Pergola, Pablo E.; Pediatrics, School of MedicineIntroduction: Alport syndrome is a rare genetic disorder that affects as many as 60,000 persons in the USA and a total of 103,000 persons (<5 per 10,000) in the European Union [1, 2]. It is the second most common inherited cause of kidney failure and is characterized by progressive loss of kidney function that often leads to end-stage kidney disease. Currently, there are no approved disease-specific agents for therapeutic use. We designed a phase 3 study (CARDINAL; NCT03019185) to evaluate the safety, tolerability, and efficacy of bardoxolone methyl in patients with Alport syndrome. Methods: The CARDINAL phase 3 study is an international, multicenter, double-blind, placebo-controlled, randomized registrational trial. Eligible patients were of ages 12-70 years with confirmed genetic or histologic diagnosis of Alport syndrome, eGFR 30-90 mL/min/1.73 m2, and urinary albumin to creatinine ratio (UACR) ≤3,500 mg/g. Patients with B-type natriuretic peptide values >200 pg/mL at baseline or with significant cardiovascular histories were excluded. Patients were randomized 1:1 to bardoxolone methyl or placebo, with stratification by baseline UACR. Results: A total of 371 patients were screened, and 157 patients were randomly assigned to receive bardoxolone methyl (n = 77) or placebo (n = 80). The average age at screening was 39.2 years, and 23 (15%) were <18 years of age. Of the randomized population, 146 (93%) had confirmed genetic diagnosis of Alport syndrome, and 62% of patients had X-linked mode of inheritance. Mean baseline eGFR was 62.7 mL/min/1.73 m2, and the geometric mean UACR was 141.0 mg/g. The average annual rate of eGFR decline prior to enrollment in the study was -4.9 mL/min/1.73 m2 despite 78% of the patient population receiving ACE inhibitor (ACEi) or ARB therapy. Discussion/conclusion: CARDINAL is one of the largest interventional, randomized controlled trials in Alport syndrome conducted to date. Despite the use of ACEi or ARB, patients were experiencing significant loss of kidney function prior to study entry.Item Treatment Patterns Among Adults and Children With Membranous Nephropathy in the Cure Glomerulonephropathy Network (CureGN)(Elsevier, 2019-12) O’Shaughnessy, Michelle M.; Troost, Jonathan P.; Bomback, Andrew S.; Hladunewich, Michelle A.; Ashoor, Isa F.; Gibson, Keisha L.; Matar, Raed Bou; Selewski, David T.; Srivastava, Tarak; Rheault, Michelle N.; Al-Uzri, Amira; Kogon, Amy J.; Khalid, Myda; Vento, Suzanne; Sanghani, Neil S.; Gillespie, Brenda W.; Gipson, Debbie S.; Wang, Chia-shi; Parsa, Afshin; Guay-Woodford, Lisa; Laurin, Louis-Philippe; Pediatrics, School of MedicineIntroduction The 2012 Kidney Disease: Improving Global Outcomes (KDIGO) Clinical Practice Guidelines for Glomerulonephritis recommend that patients with membranous nephropathy (MN) at risk for progression receive immunosuppressive therapy (IST), usually after 6 months of observation. A cyclophosphamide (CYC) or calcineurin inhibitor (CNI)–based regimen is recommended as first-line IST. However, the extent to which KDIGO recommendations are adopted in practice remains largely unknown. Methods We evaluated prescribing practice among patients with primary MN (diagnosed 2010–2018) enrolled in the Cure Glomerulonephropathy Network (CureGN) cohort study. We also evaluated the availability of testing for phospholipase A2 receptor (PLA2R) in the contemporary era. Results Among 361 patients (324 adults and 37 children) with MN who were IST-naïve at biopsy and had at least 6 months of follow-up, 55% of adults and 58% of children initiated IST <6 months after biopsy. Of these, 1 in 5 had no indication for (i.e., urine protein-to-creatinine ratio [uPCR] <4 g/g) or an apparent contraindication to (i.e., an estimated glomerular filtration rate [eGFR] <30 ml/min per 1.73 m2) IST. As first-line IST, half of treated patients received either CYC (16% of adults; 0% of children) or a CNI (40% and 46%, respectively), whereas 1 in 5 received corticosteroid monotherapy (20% and 27%, respectively) and 1 in 6 rituximab (15% and 15%, respectively). More than 80% of surveyed centers had access to PLA2R testing. Conclusion These findings suggest that providers are not aware of, or lack confidence in, current KDIGO guidelines for MN. Treatment patterns observed in this cohort might critically inform the drafting of planned updates to KDIGO guidelines.