Project description:AimsThe aim of this study was to evaluate the low-density lipoprotein cholesterol lowering efficacy and safety of a bempedoic acid 180 mg and ezetimibe 10 mg fixed-dose combination in patients with hypercholesterolemia and a high risk of cardiovascular disease receiving maximally tolerated statin therapy.MethodsThis phase 3, double-blind clinical trial enrolled adult patients at high risk of cardiovascular disease due to atherosclerotic cardiovascular disease, heterozygous familial hypercholesterolemia, or multiple cardiovascular disease risk factors. Patients were randomly assigned (2:2:2:1) to treatment with the fixed-dose combination, bempedoic acid 180 mg, ezetimibe 10 mg or placebo added to stable background statin therapy for 12 weeks. The primary efficacy endpoint was the percentage change from baseline to week 12 in low-density lipoprotein cholesterol.ResultsAmong the 301 patients included in the primary analysis, the mean baseline low-density lipoprotein cholesterol level was 3.87 mmol/L (149.8 mg/dL). At week 12, the fixed-dose combination lowered low-density lipoprotein cholesterol (-36.2%) significantly more than placebo (1.8% (placebo-corrected difference -38.0%); P < 0.001), ezetimibe alone (-23.2%; P < 0.001) or bempedoic acid alone (-17.2%; P < 0.001). The fixed-dose combination lowered low-density lipoprotein cholesterol levels similarly across subgroups, including patients receiving high-intensity, other-intensity or no statin therapy. Improvements with the fixed-dose combination were also observed in secondary efficacy endpoints, including high-sensitivity C-reactive protein. In this trial, fixed-dose combination treatment had a generally similar safety profile compared with bempedoic acid, ezetimibe or placebo.ConclusionThe bempedoic acid and ezetimibe fixed-dose combination significantly lowered low-density lipoprotein cholesterol versus placebo or other oral monotherapies and had a favourable safety profile when added to maximally tolerated statin therapy in patients with hypercholesterolemia and high cardiovascular disease risk.Trial registrationClinicalTrials.gov identifier: NCT03337308.
Project description:ObjectiveStatins are sometimes associated with worsened glycemic control. Patients with type 2 diabetes mellitus (T2DM) may require non-statin therapies to achieve low-density lipoprotein cholesterol (LDL-C) lowering goals. This study evaluated the efficacy and safety of bempedoic acid 180 mg plus ezetimibe 10 mg fixed-dose combination (BA + EZE FDC) in patients with T2DM and hypercholesterolemia who were not receiving background statins or other lipid-lowering therapy.MethodsPatients with T2DM and elevated LDL-C levels were enrolled into this phase 2, double-blind study (NCT03531905). Patients received placebo during a 5-week washout period where background lipid-lowering therapies (including statins) were discontinued. Eligible patients were then randomized 1:1:1 to receive either BA + EZE FDC, ezetimibe 10 mg, or placebo once daily for 12 weeks. Assessments included the percent change from baseline to week 12 in LDL-C, other lipid parameters, and high-sensitivity C-reactive protein (hsCRP); and the monitoring of safety and tolerability.ResultsAmong 179 randomized patients, baseline characteristics following the washout period were similar across treatment groups, with mean LDL-C levels of 142.6 mg/dL and mean glycated hemoglobin of 8.0%. At week 12, BA + EZE FDC therapy lowered mean LDL-C levels by 38.8%, significantly more than ezetimibe alone (19.2%; difference, 19.5% [95% confidence interval (CI), 13.4%-25.7%]; p < 0.001) or placebo (increase of 0.9%; difference, 39.6% [95% CI, 33.4%-45.8%]; p < 0.001). BA + EZE FDC significantly reduced hsCRP levels from baseline vs ezetimibe (29.2%; p = 0.005) and vs placebo (36.7%; p < 0.001). Incidence of treatment-emergent adverse events was low in all treatment groups, with no indication of worsened glycemic control.ConclusionIn patients with T2DM and hypercholesterolemia who were not receiving statins or other lipid-lowering drugs, BA + EZE FDC significantly lowered LDL-C levels and was generally well tolerated.
Project description:•Bempedoic acid has been shown to reduce major adverse cardiovascular outcomes in patients unable to take statins due to statin-associated side effects.•Analysis of CLEAR Outcomes trial data reveals possible differences in baseline characteristics between the primary and secondary prevention subgroups.•Further research is needed to optimize use of bempedoic acid and clarify its impact on cardiovascular outcomes in diverse patient populations.
Project description:Cellulose nanopapers have gained significant attention in recent years as large-scale reinforcement for high-loading cellulose nanocomposites, substrates for printed electronics and filter nanopapers for water treatment. The mechanical properties of nanopapers are of fundamental importance for all these applications. Cellulose nanopapers can simply be prepared by filtering a suspension of nanocellulose, followed by heat consolidation. It was already demonstrated that the mechanical properties of cellulose nanopapers can be tailored by the fineness of the fibrils used or by modifying nanocellulose fibrils for instance by polymer adsorption, but nanocellulose blends remain underexplored. In this work, we show that the mechanical and physical properties of cellulose nanopapers can be tuned by creating nanopapers from blends of various grades of nanocellulose, i.e. (mechanically refined) bacterial cellulose or cellulose nanofibrils extracted from never-dried bleached softwood pulp by chemical and mechanical pre-treatments. We found that nanopapers made from blends of two or three nanocellulose grades show synergistic effects resulting in improved stiffness, strength, ductility, toughness and physical properties.This article is part of a discussion meeting issue 'New horizons for cellulose nanotechnology'.
Project description:Many patients do not achieve optimal low-density lipoprotein cholesterol (LDL-C) levels with statins alone; others are unable to tolerate statin therapy. Additional non-statin treatment options including ezetimibe, proprotein convertase subtilisin/kexin type 9 inhibitors, and bile acid sequestrants are often necessary to further reduce the risk of atherosclerotic cardiovascular disease. This review provides practical guidance as to the use of bempedoic acid to lower LDL-C and includes direction as to which patients may benefit and advice for safety monitoring during treatment. Bempedoic acid, a new class of agent, is a prodrug converted to bempedoyl-CoA by very long-chain acyl-CoA synthetase 1, an enzyme with high expression in the liver but that is undetectable in the skeletal muscle. Bempedoic acid inhibits the enzyme adenosine triphosphate (ATP)-citrate lyase, which lies two steps upstream from β-hydroxy β-methylglutaryl-CoA reductase in the cholesterol biosynthesis pathway. In clinical trials conducted in patients with or at risk for atherosclerotic cardiovascular disease or familial heterozygous hypercholesterolemia, bempedoic acid in combination with statins and/or ezetimibe significantly reduced LDL-C, apolipoprotein B, and high-sensitivity C-reactive protein compared with placebo. Bempedoic acid is generally well tolerated with no clinically meaningful increase in muscle-related symptoms relative to placebo, even in patients taking maximally tolerated statins. A small increase in serum uric acid (mean increase 0.8 mg/dL) is the most noteworthy adverse effect. Bempedoic acid provides an effective and generally well-tolerated medication to further reduce LDL-C in patients taking maximally tolerated statins or manage LDL-C levels in those who are unable to take statins. The potential for a reduced incidence of major cardiovascular events with bempedoic acid is being investigated in the CLEAR Outcomes trial, with results expected in 2023.
Project description:Cardiovascular disease (CVD) is the leading cause of death worldwide and one key factor associated with the increased CVD risk is dyslipidemia. Statin therapy remains the first-line treatment to manage dyslipidemia, yet many patients do not achieve optimal low-density lipoprotein-cholesterol (LDL-C) levels even after taking moderate- or high-intensity statins; therefore, additional, non-statin therapy is often needed. Bempedoic acid is a prodrug that, once activated, decreases LDL-C levels by the inhibition of adenosine triphosphate citrate lyase in the liver. Five clinical trials have demonstrated the safety and efficacy of bempedoic acid and the bempedoic acid/ezetimibe combination in lowering LDL-C in patients with atherosclerotic CVD and heterozygous familial hypercholesterolemia and also in high-risk primary prevention, and statin-intolerant patients. Bempedoic acid has been demonstrated to lower LDL-C levels by 15-25% in clinical trials and up to 38% when combined with ezetimibe. In 2020, the FDA approved bempedoic acid. Furthermore, the combination of bempedoic acid with ezetimibe is FDA approved for the treatment of adults with heterozygous familial hypercholesterolemia or established atherosclerotic CVD who require additional LDL-C lowering after maximally tolerated statin therapy. The ongoing CLEAR OUTCOMES trial aims to evaluate whether bempedoic acid can reduce cardiovascular events in patients with statin intolerance and results will be available in the next 3 years. This outcomes trial will be pivotal for determining the role of bempedoic acid in the non-statin lipid-lowering armamentarium.
Project description:The management of low-density lipoprotein cholesterol (LDL-C) levels is a central strategy for the prevention of atherosclerotic cardiovascular disease. Current United States (2018 American Heart Association/American College of Cardiology/Multisociety) and European (2019 European Society of Cardiology/European Atherosclerosis Society) guidelines endorse statin therapy as the first-line therapy for pharmacologic LDL-C lowering. However, in clinical practice up to 30% of patients report partial or complete intolerance to statin therapy. While the nocebo effect with statins is well described, perceived statin intolerance prevents many patients from achieving LDL-C thresholds associated with clinical benefit. Bempedoic acid is a novel, oral, non-statin lipid-l owering therapy that works by inhibiting adenosine triphosphate-citrate lyase, an enzymatic reaction upstream of 3-hydroxy-3-methylglutaryl coenzyme A reductase in the hepatic cholesterol synthesis pathway. Bempedoic acid confers reduction in LDL-C of ~18% on background statin therapy,~21% in patients with statin intolerance, and ~38% when given in fixed-dose combination with ezetimibe. The CLEAR Outcomes trial, which enrolled high-risk primary and secondary prevention patients with reported statin intolerance and LDL-C levels ≥100 mg/dL, showed that bempedoic acid compared with placebo reduced 4-component major adverse cardiovascular events (MACE) by 13% (hazard ratio 0.87, 95% confidence interval 0.79-0.96). Bempedoic acid also reduced 3-component MACE by 15%, myocardial infarction by 23% and coronary revascularization by 19%. The benefit was even greater in the primary prevention cohort (hazard ratio 0.70, 95% confidence interval 0.55-0.89) for 4-component MACE. Bempedoic acid was associated with increases in uric acid levels and cholelithiasis, but numerically fewer events of myalgia and new-onset diabetes. These findings confirm that bempedoic acid is an effective approach to reduce cardiovascular outcomes in high-risk patients with statin intolerance who require further reduction in LDL-C.
Project description:An increase in the level of cholesterol day by day is easily seen in most people just because of poor life style, food with high cholesterol, lack of physical work, etc. There are lots of molecules available, which lower down the cholesterol level. In this field a new molecule has been introduced that is bimpedoic acid. Researches indicate that bempedoic acid has the same mechanism of action as statins, which means that it also inhibits the HMG-CoA reductase enzyme. This article is my best collection of published scientific data on bempedoic acid till now. It also includes the chemistry, pharmacodynamic and pharmacokinetic parameters of the mentioned new molecule.