Publications by authors named "Jean Claude Ansquer"

Background: Gout is a painful disorder and is common in type 2 diabetes. Fenofibrate lowers uric acid and reduces gout attacks in small, short-term studies. Whether fenofibrate produces sustained reductions in uric acid and gout attacks is unknown.

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Objective: To assess the efficacy of fenofibrate and statin dual therapy versus a double or equivalent dose of statin monotherapy.

Methods: A systematic literature search and meta-analysis was performed for publications before 1 January 2014 in MEDLINE, Embase, and BIOSIS Previews, among others.

Results: The difference in percentage change from baseline was in favor of dual therapy versus a double dose of statin monotherapy for triglycerides (difference -20%; standard error [SE] 2.

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Purpose: Fenofibrate reduced progression of diabetic retinopathy in two large randomized studies. The effect of 135 mg fenofibric acid on diabetic macular edema (DME) was evaluated in subjects with existing DME.

Methods: In this double-blind, randomized, placebo-controlled study, 110 subjects with DME not requiring immediate photocoagulation or intraocular treatment with adequate diabetes and blood pressure control received either fenofibric acid or placebo once daily for 1 year.

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Article Synopsis
  • Simvastatin and fenofibrate are commonly used together to treat dyslipidemia, but potential drug interactions have raised concerns about their simultaneous use.
  • A study involving 85 healthy participants examined the effects of taking simvastatin either alone, together with fenofibrate at the same time, or at staggered intervals.
  • Results showed minimal changes in the pharmacokinetics of simvastatin, suggesting that the interaction between these drugs is not clinically significant and allowing for their safe combined use, regardless of timing.
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Purpose: Urinary peptidome changes and discrimination for potential renal glomerular and tubular damage after 6 wk of fenofibrate treatment were evaluated in 26 healthy subjects.

Experimental Design: Peptide profiling was performed in urine samples before and after treatment using high-resolution capillary electrophoresis coupled with electrospray ionization mass spectrometry.

Results: A panel of 88 fenofibrate-sensitive peptides was detected with a frequency of ≥50% before and after treatment.

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Diabetic retinopathy (DR) is one of the leading risk factors and causes of blindness worldwide. Tight glucose and blood pressure control has been shown to significantly decrease the risk of development as well as the progression of retinopathy and represents the cornerstone of medical management of DR. The two most threatening complications of DR are diabetic macular edema (DME) and proliferative diabetic retinopathy (PDR).

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Fibrates or PPAR alpha agonists, in particular fenofibrate, are known to increase homocysteine levels (Hcy). A 3 to 5 micromol/L increase in Hcy is commonly observed within the first few weeks of fenofibrate treatment; it then persists in plateau when treatment is continued and is reversible upon its cessation. Since its description in 1999, this pharmacological effect attracted a great deal of attention as epidemiological studies in most populations have shown that elevated Hcy levels i.

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Objective: To investigate the effect of fenofibrate on sleep apnoea indices.

Methods: Proof-of-concept study comprising a placebo run-in period (1 week, 5 weeks if fibrate washout was required) and a 4-week randomized, double-blind treatment period. Thirty-four subjects (mean age 55 years, body mass index 34 kg/m 2 , fasting triglycerides 3.

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This study compared the gastrointestinal (GI) absorption characteristics and absolute bioavailability of fenofibric acid and fenofibrate (which is converted to fenofibric acid in vivo) in healthy volunteers. Treatments were delivered to the proximal small bowel, distal small bowel, and colon using a site-specific delivery system (Enterion capsule) and to the stomach by oral administration of equimolar doses. Serial blood samples were collected for 120 hours postdose and assayed for plasma fenofibric acid concentrations.

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Background: Elevated plasma low-density lipoprotein cholesterol (LDL-C) concentrations are highly atherogenic, especially the small, dense LDL (sdLDL) species. Fenofibrate has been reported to shift the LDL profile by decreasing the sdLDL subfraction and increasing larger LDL subclasses. Atorvastatin, anantihyperlipidemic agent, has been reported to reduce plasma total cholesterol (TC) and triglyceride (TG) concentrations and thus could modify the LDL profile.

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Background: Patients with type IIb, or mixed, dyslipidemia have high levels of low-density lipoprotein cholesterol (LDL-C) with predominance of small dense LDL particles, high levels of triglycerides (TG), and low levels of high-density lipoprotein cholesterol (HDL-C). Fenofibrate significantly reduces TG and, more moderately, LDL-C, increases HDL-C and produces a shift from small to large LDL particle size; the main effect of ezetimibe is a reduction in LDL-C levels. Combined treatment with fenofibrate and ezetimibe may correct all the abnormalities of type IIb dyslipidemia.

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Background: Fenofibrate was associated with increases in serum creatinine concentrations. The effect of short-term fenofibrate treatment on kidney function was investigated in subjects with normal kidney function.

Study Design: Double-blind, crossover, placebo-controlled.

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Cardiovascular disease is the principal cause of illness and disability in patients with diabetes, and is also the most common cause of death worldwide in adults. Fenofibrate, a member of the fibrate class of lipid-modifying drugs, is a potent triglyceride-lowering and high-density lipoprotein cholesterol-raising agent and has a variable effect on low-density lipoprotein cholesterol. Fenofibrate administration also leads to a modified, less atherogenic low-density lipoprotein profile, with a consistent effect toward increased low-density lipoprotein particle size and a reduction in the low-density lipoprotein particle density.

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Background: Microalbuminuria is an early marker of diabetic nephropathy and an independent risk factor for cardiovascular disease. In the Diabetes Atherosclerosis Intervention Study (DAIS), treatment of people with type 2 diabetes with micronized fenofibrate for an average of 38 months reduced the progression of angiographically evaluated coronary artery disease and improved lipoprotein level abnormalities compared with placebo. The aim of this analysis is to study the influence of the treatment on changes in urinary albumin excretion.

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Objective: The association between polymorphisms in candidate genes related to lipoprotein metabolism and the reduction in plasma triglyceride (TG) in response to fenofibrate treatment was evaluated in subjects with type 2 diabetes treated with micronized fenofibrate (200 mg/day) for at least 3 years in the Diabetes Atherosclerosis Intervention Study.

Methods: The cholesteryl ester transfer protein Taq1B, LPL S447X, hepatic lipase -514 C-->T, peroxisome-proliferator-activated receptors alpha (PPARA) L162V and G/C intron 7 polymorphisms and the apolipoprotein E2/E3/E4 alleles were genotyped using PCR and restriction enzyme digestion. Subjects were divided into high TG-responders (with > 30% TG relative reduction after treatment) and low TG-responders.

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Background: The Diabetes Atherosclerosis Intervention Study showed that treatment with fenofibrate decreases progression of coronary atherosclerosis in subjects with type 2 diabetes. We determined whether on-treatment plasma lipid concentrations and LDL particle size contribute to the favorable effect of fenofibrate on the progression of coronary artery disease (CAD).

Methods And Results: A total of 418 subjects with type 2 diabetes were randomly assigned to 200 mg micronized fenofibrate daily or placebo.

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This study evaluated the postprandial (PP) response to an oral fat load in 28 male patients with type 2 diabetes (mean HbA1c of 5.1%), all receiving metformin and performing physical exercise, compared with healthy subjects. The effects of micronized fenofibrate (200 mg once daily) on triglycerides (TG) and retinyl palmitate (RP) responses, lipoprotein mass concentrations, post-heparin lipase activities and coagulation factors were investigated after a 16-week double-blind, placebo-controlled period.

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