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Association of clinical events with everolimus exposure in kidney transplant patients receiving reduced cyclosporine

 Association of clinical events with everolimus exposure in kidney transplant patients receiving reduced cyclosporine
 Fuad S. Shihab; Diane Cibrik; Helio Tedesco-Silva Jr; Zailong Wang; Catherine Cornu-Artis; James Pattison; Gazi Zibari; Rowan Walker; Mario Carmellini; Yu Seun Kim; Laurence Chan
Issue Date
Journal Title
 Clinical Transplantation
 Clinical Transplantation, Vol.27(2) : 217~226, 2013
BACKGROUND: The association between clinical events and everolimus exposure in patients receiving reduced-exposure calcineurin inhibitor therapy is poorly explored. METHODS: In a pre-planned, descriptive analysis of data from a randomized controlled trial, events were correlated with everolimus trough concentrations in 556 newly transplanted kidney transplant patients receiving everolimus with reduced-exposure cyclosporine (CsA) and steroids. Influence of everolimus exposure on clinical events was stratified according to predefined time-normalized concentrations. RESULTS: The incidence of treated biopsy-proven acute rejection and graft loss at month 12 was highest in patients with everolimus <3 ng/mL (36.4% and 28.6%, respectively, vs. 9.1-15.3% and 0.9-5.0% with higher concentration ranges). A higher mortality rate was observed in patients with an everolimus trough concentration ≥ 12 ng/mL (10.0% vs. 1.7-5.6% with lower concentration ranges). The lowest rates of renal dysfunction (defined as poor renal function [estimated GFR, serum creatinine] or proteinuria), wound healing events, peripheral edema, new-onset diabetes mellitus, hypercholesterolemia and hypertriglyceridemia were generally observed with everolimus trough concentration in the range 3-8 ng/mL and CsA <100 ng/mL. Proteinuria occurred most frequently in patients with very low or very high everolimus trough concentrations. CONCLUSIONS: These results support an exposure-response relationship between clinical events and everolimus trough concentrations in kidney transplant patients receiving reduced-exposure CsA.
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1. 연구논문 > 1. College of Medicine > Dept. of Surgery
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