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Pharmacological Inhibition of CETP (Cholesteryl Ester Transfer Protein) Increases HDL (High-Density Lipoprotein) That Contains ApoC3 and Other HDL Subspecies Associated With Higher Risk of Coronary Heart Disease.
Furtado, JD, Ruotolo, G, Nicholls, SJ, Dullea, R, Carvajal-Gonzalez, S, Sacks, FM
Arteriosclerosis, thrombosis, and vascular biology. 2022;(2):227-237
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Abstract
OBJECTIVE Plasma total HDL (high-density lipoprotein) is a heterogeneous mix of many protein-based subspecies whose functions and associations with coronary heart disease vary. We hypothesize that increasing HDL by CETP (cholesteryl ester transfer protein) inhibition failed to reduce cardiovascular disease risk, in part, because it increased dysfunctional subspecies associated with higher risk such as HDL that contains apoC3. Approach and Results: We studied participants in 2 randomized, double-blind, placebo-controlled trials of a CETP inhibitor on a background of atorvastatin treatment: ACCENTUATE (The Addition of Evacetrapib to Atorvastatin Compared to Placebo, High Intensity Atorvastatin, and Atorvastatin With Ezetimibe to Evaluate LDL-C Lowering in Patients With Primary Hyperlipidemia; 130 mg evacetrapib; n=126) and ILLUMINATE (Phase 3 Multi Center, Double Blind, Randomized, Parallel Group Evaluation of the Fixed Combination Torcetrapib/Atorvastatin, Administered Orally, Once Daily [Qd], Compared With Atorvastatin Alone, on the Occurrence of Major Cardiovascular Events in Subjects With Coronary Heart Disease or Risk Equivalents; 60 mg torcetrapib; n=80). We measured the concentration of apoA1 in total plasma and 17 protein-based HDL subspecies at baseline and 3 months. Both CETP inhibitors increased apoA1 in HDL that contains apoC3 the most of all HDL subspecies (median placebo-adjusted percent increase: evacetrapib 99% and torcetrapib 50%). They also increased apoA1 in other HDL subspecies associated with higher coronary heart disease risk such as those involved in inflammation (α-2-macroglobulin and complement C3) or hemostasis (plasminogen), and in HDL that contains both apoE and apoC3, a complex subspecies associated with higher coronary heart disease risk. ApoA1 in HDL that contains apoC1, associated with lower risk, increased 71% and 40%, respectively. Only HDL that contains apoL1 showed no response to either drug. CONCLUSIONS CETP inhibitors evacetrapib and torcetrapib increase apoA1 in HDL subspecies that contain apoC3 and other HDL subspecies associated with higher risk of coronary heart disease. Subspecies-specific effects shift HDL subspecies concentrations toward a profile associated with higher risk, which may contribute to lack of clinical benefit from raising HDL by pharmaceutical CETP inhibition.
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A randomized, open-label, parallel, multi-center Phase IV study to compare the efficacy and safety of atorvastatin 10 and 20 mg in high-risk Asian patients with hypercholesterolemia.
Kim, JB, Song, WH, Park, JS, Youn, TJ, Park, YH, Kim, SJ, Ahn, SG, Doh, JH, Cho, YH, Kim, JW
PloS one. 2021;(1):e0245481
Abstract
BACKGROUND Although accumulating evidence suggests a more extensive reduction of low-density lipoprotein cholesterol (LDL-C), it is unclear whether a higher statin dose is more effective and cost-effective in the Asian population. This study compared the efficacy, safety, and cost-effectiveness of atorvastatin 20 and 10 mg in high-risk Asian patients with hypercholesterolemia. METHODS A 12-week, open-label, parallel, multicenter, Phase IV randomized controlled trial was conducted at ten hospitals in the Republic of Korea between October 2017 and May 2019. High-risk patients with hypercholesterolemia, defined according to 2015 Korean guidelines for dyslipidemia management, were eligible to participate. We randomly assigned 250 patients at risk of atherosclerotic cardiovascular disease to receive 20 mg (n = 124) or 10 mg (n = 126) of atorvastatin. The primary endpoint was the difference in the mean percentage change in LDL-C levels from baseline after 12 weeks. Cost-effectiveness was measured as an exploratory endpoint. RESULTS LDL-C levels were reduced more significantly by atorvastatin 20 mg than by 10 mg after 12 weeks (42.4% vs. 33.5%, p < 0.0001). Significantly more patients achieved target LDL-C levels (<100 mg/dL for high-risk patients, <70 mg/dL for very high-risk patients) with atorvastatin 20 mg than with 10 mg (40.3% vs. 25.6%, p < 0.05). Apolipoprotein B decreased significantly with atorvastatin 20mg versus 10 mg (-36.2% vs. -29.9%, p < 0.05). Lipid ratios also showed greater improvement with atorvastatin 20 mg than with 10 mg (total cholesterol/high-density lipoprotein cholesterol ratio, -33.3% vs. -29.4%, p < 0.05; apolipoprotein B/apolipoprotein A1 ratio, -36.7% vs. -31.4%, p < 0.05). Atorvastatin 20 mg was more cost-effective than atorvastatin 10 mg in terms of both the average and incremental cost-effectiveness ratios. Safety and tolerability of atorvastatin 20 mg were comparable to those of atorvastatin 10 mg. CONCLUSION In high-risk Asian patients with hypercholesterolemia, atorvastatin 20 mg was both efficacious in reducing LDL-C and cost-effective compared with atorvastatin 10 mg.
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Healthcare resource utilization in patients on lipid-lowering therapies outside Western Europe and North America: findings of the cross-sectional observational International ChoLesterol management Practice Study (ICLPS).
Annemans, L, Azuri, J, Al-Rasadi, K, Al-Zakwani, I, Daclin, V, Mercier, F, Danchin, N
Lipids in health and disease. 2020;(1):64
Abstract
BACKGROUND Few recent large-scale studies have examined healthcare consumption associated with dyslipidemia in countries outside Western Europe and North America. METHODS This analysis, from a cross-sectional observational study conducted in 18 countries in Eastern Europe, Asia, Africa, the Middle East and Latin America, evaluated avoidable healthcare consumption (defined as ≥1 hospitalization for cardiovascular reasons or ≥1 visit to the emergency room for any reason in the previous 12 months) in patients receiving stable lipid-lowering therapy (LLT). A total of 9049 patients (aged ≥18 years) receiving LLT for ≥3 months and who had had their low-density lipoprotein cholesterol (LDL-C) value measured on stable LLT in the previous 12 months were enrolled between August 2015 and August 2016. Patients who had received a proprotein convertase subtilisin/kexin type 9 inhibitor in the previous 6 months were excluded. Patients were stratified by cardiovascular risk level using the Systematic Coronary Risk Estimation chart for high-risk countries. RESULTS The proportion of patients at their LDL-C goal was 32.1% for very-high risk patients compared with 55.7 and 51.9% for patients at moderate and high cardiovascular risk, respectively. Overall, 20.1% of patients had ≥1 reported hospitalization in the previous 12 months (7.9% for cardiovascular reasons), 35.2% had ≥1 intensive care unit stay and 13.8% visited the emergency room. Avoidable healthcare resource consumption was reported for 18.7% patients overall, and in 27.8, 7.7, 7.7 and 13.2% of patients at very-high, high, moderate and low risk, respectively. Across all risk groups 22.4% of patients not at LDL-C goal and 16.6% of patients at LDL-C goal had avoidable healthcare resource consumption. Being at very-high cardiovascular risk, having cardiovascular risk factors (including hypertension and smoking), and having factors indicating that the patient may be difficult to treat (including statin intolerance, comorbidities and chronic medication), were independent risk factors for avoidable healthcare resource consumption (all p <0.05). CONCLUSIONS Healthcare resource consumption associated with adverse clinical outcomes was observed in patients on stable LLT in countries outside Western Europe and North America, particularly those at very-high cardiovascular risk and those who were difficult to treat.
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The challenge of multiple cardiovascular risk factor control outside Western Europe: Findings from the International ChoLesterol management Practice Study.
Blom, DJ, Santos, RD, Daclin, V, Mercier, F, Ruiz, AJ, Danchin, N, ,
European journal of preventive cardiology. 2020;(13):1403-1411
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BACKGROUND Comprehensive control of multiple cardiovascular risk factors reduces cardiovascular risk but is difficult to achieve. DESIGN A multinational, cross-sectional, observational study. METHODS The International ChoLesterol management Practice Study (ICLPS) investigated achievement of European Society of Cardiology (ESC)/European Atherosclerosis Society (EAS) guideline low-density lipoprotein cholesterol (LDL-C) targets in patients receiving lipid-modifying therapy in countries outside Western Europe. We examined the rate of, and association between, control of multiple risk factors in ICLPS participants with dyslipidaemia, diabetes and hypertension (N = 2377). RESULTS Mean (standard deviation) age of patients was 61.4 (10.4) years; 51.3% were male. Type 2 diabetes was the most common form of diabetes (prevalence, 96.9%). The prevalence of metabolic syndrome was 67.8%, obesity 40.4%, atherosclerotic disease 39.6% and coronary artery disease 33.5%. All patients were at high (38.2%) or very high (61.8%) cardiovascular risk according to ESC/EAS guidelines. Body mass index (BMI) was <25 kg/m2 in 20.3% of patients, 62.8% had never smoked and 25.2% were former smokers. Overall, 12.2% achieved simultaneous control of LDL-C, diabetes and blood pressure. Risk factor control was similar across all participating countries. The proportion of patients achieving individual guideline-specified treatment targets was 43.9% for LDL-C, 55.5% for blood pressure and 39.3% for diabetes. Multiple correspondence analysis indicated that control of LDL-C, control of blood pressure, control of diabetes, BMI and smoking were associated. CONCLUSION Comprehensive control of multiple cardiovascular risk factors in high-risk patients is suboptimal worldwide. Failure to control one risk factor is associated with poor control of other risk factors.
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Effect of the PCSK9 Inhibitor Evolocumab on Total Cardiovascular Events in Patients With Cardiovascular Disease: A Prespecified Analysis From the FOURIER Trial.
Murphy, SA, Pedersen, TR, Gaciong, ZA, Ceska, R, Ezhov, MV, Connolly, DL, Jukema, JW, Toth, K, Tikkanen, MJ, Im, K, et al
JAMA cardiology. 2019;(7):613-619
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IMPORTANCE The PCSK9 inhibitor evolocumab reduced low-density lipoprotein cholesterol and first cardiovascular events in the Further Cardiovascular Outcomes Research With PCSK9 Inhibition in Subjects With Elevated Risk (FOURIER) trial, but patients remain at high risk of recurrent cardiovascular events. OBJECTIVE To evaluate the effect of evolocumab on total cardiovascular events, given the importance of total number of cardiovascular events to patients, clinicians, and health economists. DESIGN, SETTING, AND PARTICIPANTS Secondary analysis of a randomized, double-blind clinical trial. The FOURIER trial compared evolocumab or matching placebo and followed up patients for a median of 2.2 years. The study included 27 564 patients with stable atherosclerotic disease receiving statin therapy. Data were analyzed between May 2017 and February 2019. MAIN OUTCOMES AND MEASURES The primary end point (PEP) was time to first cardiovascular death, myocardial infarction, stroke, hospitalization for unstable angina, or coronary revascularization; the key secondary end point was time to first cardiovascular death, myocardial infarction, or stroke. In a prespecified analysis, total cardiovascular events were evaluated between treatment arms. RESULTS The mean age of patients was 63 years, 69% of patients were taking high-intensity statin therapy, and the median LDL-C at baseline was 92 mg/dL (to convert to millimoles per liter, multiply by 0.0259). There were 2907 first PEP events and 4906 total PEP events during the trial. Evolocumab reduced total PEP events by 18% (incidence rate ratio [RR], 0.82; 95% CI, 0.75-0.90; P < .001) including both first events (hazard ratio, 0.85; 95% CI, 0.79-0.92; P < .001) and subsequent events (RR, 0.74; 95% CI, 0.65-0.85). There were 2192 total primary events in the evolocumab group and 2714 total events in the placebo group. For every 1000 patients treated for 3 years, evolocumab prevented 22 first PEP events and 52 total PEP events. Reductions in total events were driven by fewer total myocardial infarctions (RR, 0.74; 95% CI, 0.65-0.84; P < .001), strokes (RR, 0.77; 95% CI, 0.64-0.93; P = .007), and coronary revascularizations (RR, 0.78; 95% CI, 0.71-0.87; P < .001). CONCLUSIONS AND RELEVANCE The addition of the PCSK9 inhibitor evolocumab to statin therapy improved clinical outcomes, with significant reductions in total PEP events, driven by decreases in myocardial infarction, stroke, and coronary revascularization. More than double the number of events were prevented with evolocumab vs placebo as compared with the analysis of only first events. These data provide further support for the benefit of continuing aggressive lipid-lowering therapy to prevent recurrent cardiovascular events. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT01764633.
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Investigation into Lipid Management in Acute Coronary Syndrome Patients from the EXPLORE-J Study.
Nakamura, M, Ako, J, Arai, H, Hirayama, A, Murakami, Y, Nohara, A, Uno, K, Ozaki, A, Harada-Shiba, M
Journal of atherosclerosis and thrombosis. 2019;(6):559-572
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AIMS: The EXPLORE-J study aimed to assess lipid management in patients hospitalized for acute coronary syndrome (ACS) and their cardiovascular risk despite undergoing standard therapy. Here, we focused on background characteristics of patients in the EXPLORE-J study to elucidate the current lipid-lowering therapy and its issues in Japan. METHODS In this multicenter, prospective, observational study (UMIN000018946), consecutive Japanese ACS patients who required hospitalization were registered between April 2015 and August 2016. Background and lipid profile data collected within 14 days of hospitalization were analyzed according to risk factors such as diabetes mellitus status. RESULTS In total, 1944 patients were analyzed (80.3% male). The mean and standard deviation (SD) age and body mass index of all patients were 66.0 years (SD: 12.2) and 24.24 kg/m2 (SD: 3.59), respectively. The most common lipid-modifying medication used at the time of ACS was statins (27.3%). The low-density lipoprotein cholesterol (LDL-C) level (first measurement after hospitalization) of patients overall was 121.2 mg/dL (SD: 39.7); 30.3% had an LDL-C level <100 mg/dL (current target level for secondary prevention of cardiovascular events in Japan), compared with 52.1% of patients with a previous history of coronary artery disease (CAD), and 57.2% of patients with a history of CAD and diabetes. CONCLUSIONS Many patients were not meeting Japanese LDL-C target levels at the time of ACS, and a large proportion of patients meeting target levels developed ACS; therefore, more stringent management and further evaluation of the target LDL-C levels is warranted in high-risk patients and those with previous history of CAD.
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Improvement of low-density lipoprotein cholesterol target achievement rates through cardiac rehabilitation for patients after ST elevation myocardial infarction or non-ST elevation myocardial infarction in Germany: Results of the PATIENT CARE registry.
Schwaab, B, Zeymer, U, Jannowitz, C, Pittrow, D, Gitt, A
European journal of preventive cardiology. 2019;(3):249-258
Abstract
AIMS: The PATIENT CARE registry aimed to document clinical characteristics of patients during cardiac rehabilitation after myocardial infarction, including the current pharmacological treatment, risk factor modification and achievement of treatment targets for low-density lipoprotein cholesterol (LDL-C). METHODS Multicentre, prospective non-interventional study at 20 cardiac rehabilitation in-patient centres across Germany. RESULTS A total of 1408 patients post myocardial infarction were analysed. Patients' mean age was 62 ± 11 years and 27.0% were women. ST elevation myocardial infarction ( n = 657; 48.7%), and non-ST elevation myocardial infarction ( n = 617; 45.8%) were equally balanced causes for hospitalization, while previous coronary artery bypass grafting was reported in n = 134 patients (9.9%). On average, cardiac rehabilitation began 19 ± 10 days after the index event and lasted for 22 ± 4 days. At discharge, 96.7% of patients received statins, 13.0% another lipid-lowering medication in addition to a statin, 98.5% antithrombotic drugs and 22.3% antidiabetic medication. The rate of patients with LDL-C on target according to the European Society of Cardiology/European Atherosclerosis Society dyslipidaemia guidelines 2011 (<70 mg/dl (1.8 mmol/l) or at least 50% reduction of baseline value) was increased from 21.4% at admission to cardiac rehabilitation to 41.9% at discharge after cardiac rehabilitation. Most patients (95.2%) completed the cardiac rehabilitation and 88% returned to their former work at full time. CONCLUSION During cardiac rehabilitation, the modifiable cardiovascular risk factors, in particular the LDL-C, were substantially improved in patients after myocardial infarction. The great majority were able to return to work. However, less than 50% reached the LDL-C guideline targets during short-term cardiac rehabilitation.
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PCSK9 Antibody Alirocumab Attenuates Arterial Wall Inflammation Without Changes in Circulating Inflammatory Markers.
Hoogeveen, RM, Opstal, TSJ, Kaiser, Y, Stiekema, LCA, Kroon, J, Knol, RJJ, Bax, WA, Verberne, HJ, Cornel, JH, Stroes, ESG
JACC. Cardiovascular imaging. 2019;(12):2571-2573
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Long-Term Administration of Proprotein Convertase Subtilisin/Kexin Type 9 Inhibitors Reduces Arterial FDG Uptake.
Vlachopoulos, C, Koutagiar, I, Skoumas, I, Terentes-Printzios, D, Zacharis, E, Kolovou, G, Stamatelopoulos, K, Rallidis, L, Katsiki, N, Bilianou, H, et al
JACC. Cardiovascular imaging. 2019;(12):2573-2574
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Low-density lipoprotein cholesterol goal achievement in patients with familial hypercholesterolemia in countries outside Western Europe: The International ChoLesterol management Practice Study.
Blom, DJ, Almahmeed, W, Al-Rasadi, K, Azuri, J, Daclin, V, Kayikcioglu, M, Mercier, F, Ruiz, AJ, Santos, RD, ,
Journal of clinical lipidology. 2019;(4):594-600
Abstract
BACKGROUND The cross-sectional observational International ChoLesterol management Practice Study study assessed achievement of European Society of Cardiology/European Atherosclerosis Society low-density lipoprotein cholesterol (LDL-C) targets in patients outside Western Europe. OBJECTIVE The aim of the study was to assess LDL-C goal achievement in International ChoLesterol management Practice Study participants with familial hypercholesterolemia (FH). METHODS A total of 334 patients (aged ≥18 years) with definite or probable FH (Dutch Lipid Clinic Network score ≥6; 43.1% genetically confirmed) who had been receiving stable lipid-modifying therapy (LMT) for ≥3 months were enrolled. RESULTS The mean ± standard deviation age of the patients was 58.5 ± 13.1 years, 49.1% were male, and 48.2% had coronary artery disease. Most were receiving statin (∼99%). Of these, 57.6% were on high-intensity statin therapy, 49.1% on the highest dose available, and 13.0% used a statin together with a cholesterol absorption inhibitor (CAI). Mean ± standard deviation LDL-C level was 5.6 ± 3.0 mmol/L before LMT and 3.3 ± 2.0 mmol/L at enrollment. Overall, 32.0% of patients achieved their LDL-C target. Target achievement rates were 36.6% for patients with coronary artery disease, and 27.5% for those without, and 27.9%, 28.0%, and 37.5% for patients treated with a statin plus CAI, highest-dose statin (no CAI), and lower-dose statin (no CAI), respectively. CONCLUSIONS LDL-C target achievement rates were low in patients with FH, even in those receiving intensive LMT. Factors that are likely to have contributed to the low LDL-C target achievement rates include high baseline LDL-C, inadequate statin dosages, and low use of CAI. Many patients would have been eligible for proprotein convertase subtilisin/kexin type 9 inhibitor therapy.