Benefits and safety of long-term fenofibrate therapy in people with type 2 diabetes and renal impairment: the FIELD Study.

Abstract

OBJECTIVE Diabetic patients with moderate renal impairment (estimated glomerular filtration rate [eGFR] 30-59 mL/min/1.73 m(2)) are at particular cardiovascular risk. Fenofibrate's safety in these patients is an issue because it may elevate plasma creatinine. Furthermore, guidelines regarding fenofibrate dosing in renal impairment vary internationally. We investigated fenofibrate's effects on cardiovascular and end-stage renal disease (ESRD) events, according to eGFR, in the Fenofibrate Intervention and Event Lowering in Diabetes (FIELD) Study. RESEARCH DESIGN AND METHODS Type 2 diabetic patients (aged 50-75 years) with eGFR ≥30 mL/min/1.73 m(2) were randomly allocated to a fixed dose of fenofibrate (200 mg daily) (n = 4,895) or placebo (n = 4,900) for 5 years. Baseline renal function (Modification of Diet in Renal Disease equation) was grouped by eGFR (30-59, 60-89, and ≥90 mL/min/1.73 m(2)). The prespecified outcome was total cardiovascular events (composite of cardiovascular death, myocardial infarction, stroke, and coronary/carotid revascularization). Serious adverse events and instances of ESRD (plasma creatinine >400 μmol/L, dialysis, renal transplant, or renal death) were recorded. Analysis was by intention to treat. RESULTS Overall, fenofibrate reduced total cardiovascular events, compared with placebo (hazard ratio 0.89 [95% CI 0.80-0.99]; P = 0.035). This benefit was not statistically different across eGFR groupings (P = 0.2 for interaction) (eGFR 30-59 mL/min/1.73 m(2): 0.68 [0.47-0.97], P = 0.035; eGFR ≥90 mL/min/1.73 m(2): 0.85 [0.70-1.02], P = 0.08). ESRD rates were similar between treatment arms, without adverse safety signals of fenofibrate use in renal impairment. CONCLUSIONS Patients with type 2 diabetes and moderate renal impairment benefit from long-term fenofibrate, without excess drug-related safety concerns compared with those with no or mild renal impairment. Fenofibrate treatment should not be contraindicated in moderate renal impairment, suggesting that current guidelines may be too restrictive.

DOI: 10.2337/dc11-1109

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@article{Ting2012BenefitsAS, title={Benefits and safety of long-term fenofibrate therapy in people with type 2 diabetes and renal impairment: the FIELD Study.}, author={R. Ting and Anthony C. Keech and Paul Leslie Drury and Mark W. Donoghoe and John Hedley and Alicia Josephine Jenkins and Timothy M E Davis and Seppo Lehto and David Stephen Celermajer and Robert J Simes and Kushwin Rajamani and Kim G Stanton}, journal={Diabetes care}, year={2012}, volume={35 2}, pages={218-25} }