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Efficacy and Safety of Evinacumab for the Treatment of Hypercholesterolemia: A Meta-Analysis.
Jin, M, Meng, F, Yang, W, Liang, L, Wang, H, Fu, Z
Journal of cardiovascular pharmacology. 2021;(3):394-402
Abstract
Angiopoietin-like protein 3 is essential in lipid metabolism regulation. However, the efficacy and safety of evinacumab (angiopoietin-like protein 3 inhibition drug) for hypercholesterolemia treatment is unknown. In this study, a meta-analysis of randomized controlled trials (RCTs) was conducted to assess the efficacy and safety of evinacumab. RCTs published between January 1, 2000, and November 1, 2020, were obtained from PubMed, Embase, and Cochrane Library. All RCTs evaluating the efficacy and safety of evinacumab were included without language restrictions. Our primary end points included the percent change of low-density lipoprotein cholesterol (LDL-C) from baseline and the incidence of at least one treatment emergent adverse events including nasopharyngitis, influenza-like illness, headache, dizziness, injection-site reaction, increased aspartate aminotransferase, increased alanine aminotransferase, and any other discomfort during treatments. Percentage changes of triglycerides and high-density lipoprotein cholesterol (HDL-C) from baseline indicated secondary end points. A random-effects model was used to assess pooled data if there was moderate to high heterogeneity between studies. Four studies with 5 RCTs (568 participants) were identified. Evinacumab significantly reduced LDL-C [mean difference (MD) -33.123%, 95% confidence interval (CI), -48.639% to -17.606%, P < 0.0001], triglycerides (MD -50.959%, 95% CI, -56.555% to -45.362%, P < 0.0001), and HDL-C (MD -12.773%, 95% CI, -16.359% to -9.186%, P < 0.0001) compared with placebo. The incidence of at least 1 treatment emergent adverse events was not significantly different between evinacumab and placebo groups (relative risk 1.080, 95% CI, 0.901-1.296, P = 0.405). Evinacumab decreased triglycerides, LDL-C, and HDL-C without significant adverse effects, indicating that it can be a therapeutic strategy for hypercholesterolemia.
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Novel Insights From Human Studies on the Role of High-Density Lipoprotein in Mortality and Noncardiovascular Disease.
Madsen, CM, Varbo, A, Nordestgaard, BG
Arteriosclerosis, thrombosis, and vascular biology. 2021;(1):128-140
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Abstract
The vast majority of research about HDL (high-density lipoprotein) has for decades revolved around the possible role of HDL in atherosclerosis and its therapeutic potential within cardiovascular disease prevention; however, failures with therapies aimed at increasing HDL cholesterol has left questions as to what the role and function of HDL in human health and disease is. Recent observational studies have further shown that extreme high HDL cholesterol is associated with high mortality leading to speculations that HDL could in some instances be harmful. In addition, evidence from observational, and to a lesser extent genetic studies has emerged indicating that HDL might be associated with the development of other major noncardiovascular diseases, such as infectious disease, autoimmune disease, cancer, type 2 diabetes, kidney disease, and lung disease. In this review, we discuss (1) the association between extreme high HDL cholesterol and mortality and (2) the emerging human evidence linking HDL to several major diseases outside the realm of cardiovascular disease.
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High Density Lipoprotein Cholesterol Efflux Capacity and Atherosclerosis in Cardiovascular Disease: Pathophysiological Aspects and Pharmacological Perspectives.
Adorni, MP, Ronda, N, Bernini, F, Zimetti, F
Cells. 2021;(3)
Abstract
Over the years, the relationship between high-density lipoprotein (HDL) and atherosclerosis, initially highlighted by the Framingham study, has been revealed to be extremely complex, due to the multiple HDL functions involved in atheroprotection. Among them, HDL cholesterol efflux capacity (CEC), the ability of HDL to promote cell cholesterol efflux from cells, has emerged as a better predictor of cardiovascular (CV) risk compared to merely plasma HDL-cholesterol (HDL-C) levels. HDL CEC is impaired in many genetic and pathological conditions associated to high CV risk such as dyslipidemia, chronic kidney disease, diabetes, inflammatory and autoimmune diseases, endocrine disorders, etc. The present review describes the current knowledge on HDL CEC modifications in these conditions, focusing on the most recent human studies and on genetic and pathophysiologic aspects. In addition, the most relevant strategies possibly modulating HDL CEC, including lifestyle modifications, as well as nutraceutical and pharmacological interventions, will be discussed. The objective of this review is to help understanding whether, from the current evidence, HDL CEC may be considered as a valid biomarker of CV risk and a potential pharmacological target for novel therapeutic approaches.
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Optimum lipid testing for diabetic patients to enhance clinical care.
Devaraj, S, Jialal, I
Diabetes & metabolic syndrome. 2021;(1):461-464
Abstract
BACKGROUND AND AIMS Dyslipidemia is a common problem in diabetic patients that predisposes to premature ASCVD. Dyslipidemia in Type 2 diabetes (T2DM) is very common and is characterized by hypertriglyceridemia (HTG) with decreased levels of high-density lipoprotein (HDL)-cholesterol. METHODS Recommendations for lipid testing in diabetics from the Canadian, European and American guidelines will be discussed in this mini-review. RESULTS It is crucial to obtain appropriate lipid testing in patients with TG > 2.3 mmol/L and or LDL-C< 1.8 mmol/L. We also discuss the utility of the different measures of calculated LDL-C and their pitfalls. CONCLUSION In conclusion, we propose obtaining a non-HDL-C (preferred) or direct -LDL-C or apo B level to manage diabetic patients with dyslipidemia and optimize care. Also in some patients with a strong FH of premature ASCVD and have few or no risk factors, Lp (a) can be assayed to optimize statin therapy.
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High-Density Lipoprotein Cholesterol in Age-Related Ocular Diseases.
Betzler, BK, Rim, TH, Sabanayagam, C, Cheung, CMG, Cheng, CY
Biomolecules. 2020;(4)
Abstract
There is limited understanding of the specific role of high-density lipoprotein cholesterol (HDL-C) in the development of various age-related ocular diseases, despite it being a common measurable biomarker in lipid profiles. This literature review summarizes current knowledge of the role of HDL-C, if any, in pathogenesis and progression of four age-related ocular diseases, namely age-related macular degeneration (AMD), age-related cataract, glaucoma, and diabetic retinopathy (DR), and will primarily discuss epidemiological and genetic evidence.
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Is it time to reconcile HDL with cardiovascular diseases and beyond? An update on a paradigm shift.
Martinez, LO, Ingueneau, C, Genoux, A
Current opinion in lipidology. 2020;(5):302-304
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[Challenges in Drug Development Targeting Anti-atherosclerotic Proteins].
Okuhira, K
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan. 2020;(2):153-157
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Abstract
Atherosclerosis is a vascular disease responsible for acute heart attacks and stroke, which are leading causes of death not only in industrialized countries but also worldwide, and the number of patients afflicted by this disease has been increasing in Japan. High-density lipoprotein (HDL) is the plasma lipoprotein that carries what is often called your "good cholesterol" through the blood. This good cholesterol moniker is associated with HDL because higher circulating levels of this lipoprotein are associated with a well-known reduction in the risk of arteriosclerosis. Moreover, many protective mechanisms by which HDL could reduce atherosclerosis are described, including reverse cholesterol transport, along with anti-oxidant, anti-inflammatory and anti-thrombosis activities. However, HDL-modulating therapies to lower cardiovascular risk are not yet available. It has recently been proposed that apolipoprotein A-I (apoA-I) binding protein (AIBP) enhances HDL function by accelerating lipid release from cells and reducing associated inflammatory processes. In this context, our research is focused on the function of HDL-related proteins, such as proteins that regulate HDL production (ATP-binding cassette transporters), and HDL-binding proteins. We expect that these studies could eventually help in the development of HDL-related prognostic and therapeutic strategies to reduce the burden of cardiovascular disease in the future.
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Cannabis effects on lipoproteins.
Lazarte, J, Hegele, RA
Current opinion in lipidology. 2019;(2):140-146
Abstract
PURPOSE OF REVIEW The endocannabinoid system affects several physiological functions. A family of endocannabinoid receptors is susceptible to cannabis constituents. Cannabis is widely used in our society and following its recent legalization in Canada, we focus on how exposure to cannabis and pharmacologic cannabinoid receptor type 1 (CB1) inhibition affect lipoprotein levels. RECENT FINDINGS Several groups have reported that exposure to cannabis does not increase weight despite the marked increase in caloric intake. In observational studies, the effect of smoked cannabis exposure on plasma lipids is variable. Some studies in specific patient populations with longer exposure to cannabis seemed to identify slightly more favorable lipoprotein profiles in the exposed group. Several larger controlled clinical trials using orally administered rimonabant, a CB1 receptor antagonist, have consistently shown relative improvements in weight and plasma levels of triglyceride and high-density lipoprotein cholesterol among patients receiving the treatment. SUMMARY The widely variable findings on the relationship of cannabis in various forms with plasma lipids preclude any definitive conclusions. Cannabis has complex effects on the cardiovascular system and its effects on lipid profile must be considered in this overall context. Further properly controlled research is required to better understand this topic.
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High-Density Lipoprotein Components and Functionality in Cancer: State-of-the-Art.
Ganjali, S, Ricciuti, B, Pirro, M, Butler, AE, Atkin, SL, Banach, M, Sahebkar, A
Trends in endocrinology and metabolism: TEM. 2019;(1):12-24
Abstract
Cancer is the second leading cause of death in western countries, and thus represents a major global public health issue. Whilst it is well-recognized that diet, obesity, and smoking are risk factors for cancer, the role of low levels of high-density lipoprotein cholesterol (HDL-C) in cancer is less well appreciated. Conflicting evidence suggests that serum HDL-C levels may be either positively or negatively associated with cancer incidence and mortality. Such disparate associations are supported in part by the multitude of high-density lipoprotein (HDL) functions that can all have an impact on cancer cell biology. The aim of this review is to provide a comprehensive overview of the crosstalk between HDLs and cancer, focusing on the molecular mechanisms underlying this association.
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Rethinking good cholesterol: a clinicians' guide to understanding HDL.
Xiang, AS, Kingwell, BA
The lancet. Diabetes & endocrinology. 2019;(7):575-582
Abstract
Low HDL cholesterol dyslipidaemia affects about half of people with type 2 diabetes and represents a major independent risk factor for atherosclerotic cardiovascular disease. The "good cholesterol" label was coined decades ago on the basis of a presumed causal role of HDL cholesterol in atherosclerotic cardiovascular disease. However, this view has been challenged by the negative results of several studies of HDL cholesterol-raising drugs, creating a paradox for clinicians regarding the value of HDL cholesterol as a risk biomarker and therapeutic target, and seemingly contradicting decades of evidence substantiating an inverse relation between HDL cholesterol and cardiovascular disease risk. We seek to resolve this issue by revisiting the history of the HDL hypothesis, chronicling how this paradox is ultimately rooted in the progressive erroneous blurring of the distinction between HDL and HDL cholesterol. We describe the compositional complexity of HDL particles beyond their cholesterol cargo and focus on their role in lipid transport. We discuss the evidence regarding novel HDL functions, including effects on glucose metabolism, and speculate on the implications for type 2 diabetes. HDL cholesterol is an imperfect biomarker of a highly complex and multifunctional lipid transport system, and we should now consider how new HDL markers more causally linked to cardiovascular complications could be adapted for clinical use. In the absence of a superior alternative, HDL cholesterol generally has value as a component of primary cardiovascular disease risk prediction models, including in people with type 2 diabetes. However, to avoid prognostic overgeneralisations, it is high time that the good cholesterol label is dropped.