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Lipoprotein(a), Cardiovascular Events and Sex Differences: A Single Cardiological Unit Experience. J Clin Med 2023; 12:jcm12030764. [PMID: 36769413 PMCID: PMC9918149 DOI: 10.3390/jcm12030764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/13/2023] [Accepted: 01/15/2023] [Indexed: 01/20/2023] Open
Abstract
Lipoprotein(a)-Lp(a), which retains proatherogenic and prothrombotic properties, may be modified by hormonal and metabolic factors. However, few studies have focused on differences related to sex and cardiometabolic risk factors in the relationship between Lp(a) and cardiovascular disease, especially in terms of prognosis. This study aimed at evaluating the predictive value of Lp(a) (cut-off 30 mg/dL) for hard events (HEs: mortality and non-fatal myocardial infarction) according to sex and cardiometabolic risk factors in 2110 patients (1501 males, mean age: 68 ± 9 years) undergoing coronary angiography for known or suspected coronary artery disease. There were 211 events over a median follow-up period of 33 months. Lp(a) > 30 mg/dL did not confer a worse prognosis on the overall population. However, Kaplan-Meier subgroup analysis evidenced a worse prognosis in type 2 diabetes (T2D) females with elevated Lp(a) (log-rank test: p = 0.03) vs. T2D males and no-T2D patients, but not in other high-risk cardiovascular states (e.g., smoking, hypertension, reduced left ventricular ejection fraction or obesity). After Cox multivariate adjustment, Lp(a) remained an independent determinant for HEs in the T2D female subgroup, conferring an HR of 2.9 (95% CI 1.1-7.7, p < 0.05). Lp(a) is therefore a strong independent predictor of HR in T2D women, but not in T2D men, or in noT2D patients.
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Efficacy and safety of pelacarsen in lowering Lp(a) in healthy Japanese subjects. J Clin Lipidol 2023; 17:181-188. [PMID: 36529659 DOI: 10.1016/j.jacl.2022.12.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 11/25/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Pelacarsen is a liver-targeted antisense oligonucleotide that potently lowers lipoprotein(a) [Lp(a)] levels. Its safety and efficacy in diverse populations has not been extensively studied. OBJECTIVE To assess the effect of pelacarsen, including monthly dosing of 80 mg, in subjects of Japanese ancestry. METHODS A randomized double-blind, placebo-controlled, study was performed in 29 healthy Japanese subjects treated with single ascending doses (SAD) of pelacarsen 20, 40 and 80 mg subcutaneously or multiple doses (MD) of pelacarsen 80 mg monthly for 4 doses. The primary objective was to assess the safety and tolerability in healthy Japanese subjects; secondary objectives to assess the pharmacokinetics of pelacarsen; and exploratory objective to determine the effect of pelacarsen on plasma Lp(a) levels. RESULTS No serious adverse events or clinically relevant abnormalities in any laboratory parameters were noted. In the MD cohort, mean plasma concentrations of pelacarsen peaked at ∼4 hours and declined in a bi-exponential manner thereafter. In the SAD cohorts, the placebo-corrected least-square mean (PCLSM) percent changes in Lp(a) at Day 30 were: -55.4% (p=0.0008), -58.9% (p=0.0003) and -73.7% (p<0.0001) for the 20 mg, 40 mg, and 80 mg pelacarsen-treated groups, respectively. In the MD cohort, the PCLSM at Days 29, 85, 113, 176 and 204 were -84.0% (p=0.0003), -106.2% (p<0.0001), -70.0 (p<0.0001), -80.0% (p=0.0104) and -55.8% (p=0.0707), respectively. CONCLUSIONS Pelacarsen demonstrates an acceptable safety and tolerability profile and potently lowers plasma levels of Lp(a) in healthy Japanese subjects, including with the 80 mg monthly dose being evaluated in the Lp(a) HORIZON trial.
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Lipoprotein(a) and Atherosclerotic Cardiovascular Disease, the Impact of Available Lipid-Lowering Medications on Lipoprotein(a): An Update on New Therapies. Endocr Pract 2022:S1530-891X(22)00901-6. [PMID: 36563785 DOI: 10.1016/j.eprac.2022.12.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/20/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To review evidence of existing and new pharmacological therapies for lowering lipoprotein(a) (Lp[a]) concentrations and their impact on clinically relevant outcomes. METHODS We searched for literature pertaining to Lp(a) and pharmacological treatments in PubMed. We reviewed articles published between 1963 and 2020. RESULTS We found that statins significantly increased Lp(a) concentrations. Therapies that demonstrated varying degrees of Lp(a) reduction included ezetimibe, niacin, proprotein convertase subtilisin/kexin type 9 inhibitors, lipoprotein apheresis, fibrates, aspirin, hormone replacement therapy, antisense oligonucleotide therapy, and small interfering RNA therapy. There was limited data from large observational studies and post hoc analyses showing the potential benefits of these therapies in improving cardiovascular outcomes. CONCLUSION There are multiple lipid-lowering agents currently being used to treat hyperlipidemia that also have a Lp(a)-lowering effect. Two RNA therapies specifically targeted to lower Lp(a) are being investigated in phase 3 clinical trials and, thus far, have shown promising results. However, evidence is lacking to determine the clinical relevance of reducing Lp(a). At present, there is a need for large-scale, randomized, controlled trials to evaluate cardiovascular outcomes associated with lowering Lp(a).
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Di Fusco SA, Arca M, Scicchitano P, Alonzo A, Perone F, Gulizia MM, Gabrielli D, Oliva F, Imperoli G, Colivicchi F. Lipoprotein(a): a risk factor for atherosclerosis and an emerging therapeutic target. Heart 2022; 109:18-25. [PMID: 35288443 DOI: 10.1136/heartjnl-2021-320708] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/16/2022] [Indexed: 02/04/2023] Open
Abstract
Lipoprotein(a) (Lp(a)) is a complex circulating lipoprotein, and increasing evidence has demonstrated its role as a risk factor for atherosclerotic cardiovascular disease (ASCVD) and as a possible therapeutic target. Lp(a) atherogenic effects are attributed to several potential mechanisms in addition to cholesterol accumulation in the arterial wall, including proinflammatory effects mainly mediated by oxidised phospholipids. Several studies have found a causal and independent relationship between Lp(a) levels and cardiovascular risk. Furthermore, several studies also suggest a causal association between Lp(a) levels and calcific aortic valve stenosis. Available lipid-lowering agents have at best moderate impact on Lp(a) levels. Among available therapies, antibody proprotein convertase subtilisin/kexin type 9 inhibitors are the most effective in reducing Lp(a). Potent Lp(a)-lowering treatments that target LPA expression are under development. Lp(a) level measurement poses some challenges due to the absence of a definitive reference method and the reporting of Lp(a) values as molar (nanomoles per litre (nmol/L)) or mass concentrations (milligrams per decilitre (mg/dL)) by different assays. Currently, Lp(a) measurement is recommended to refine cardiovascular risk in specific clinical settings, that is, in individuals with a family history of premature ASCVD, in patients with ASCVD not explained by standard risk factors or in those with recurrent events despite optimal management of traditional risk factors. Patients with high Lp(a) levels should be managed with more intensive approaches to treat other modifiable cardiovascular risk factors. Overall, this review focuses on Lp(a) as an ASCVD risk factor and therapeutic target. Furthermore, it reports practical recommendations for Lp(a) measurement and interpretation and updated evidence on Lp(a)-lowering approaches.
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Affiliation(s)
| | - Marcello Arca
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | | | | | | | - Michele Massimo Gulizia
- Cardiology Division, Garibaldi-Nesima Hospital, Garibaldi-Nesima Hospital, Catania, Italy.,Heart Care Foundation, Florence, Italy
| | | | - Fabrizio Oliva
- De Gasperis Cardio Center, Niguarda Hospital, Milan, Italy
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Bordeianu G, Mitu I, Stanescu RS, Ciobanu CP, Petrescu-Danila E, Marculescu AD, Dimitriu DC. Circulating Biomarkers for Laboratory Diagnostics of Atherosclerosis-Literature Review. Diagnostics (Basel) 2022; 12:diagnostics12123141. [PMID: 36553147 PMCID: PMC9777004 DOI: 10.3390/diagnostics12123141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/05/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Atherosclerosis is still considered a disease burden with long-term damaging processes towards the cardiovascular system. Evaluation of atherosclerotic stages requires the use of independent markers such as those already considered traditional, that remain the main therapeutic target for patients with atherosclerosis, together with emerging biomarkers. The challenge is finding models of predictive markers that are particularly tailored to detect and evaluate the evolution of incipient vascular lesions. Important advances have been made in this field, resulting in a more comprehensible and stronger linkage between the lipidic profile and the continuous inflammatory process. In this paper, we analysed the most recent data from the literature studying the molecular mechanisms of biomarkers and their involvement in the cascade of events that occur in the pathophysiology of atherosclerosis.
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Affiliation(s)
| | - Ivona Mitu
- Correspondence: (I.M.); (R.S.S.); Tel.: +40-75206-1747 (I.M.)
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56
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Nissen SE, Wolski K, Cho L, Nicholls SJ, Kastelein J, Leitersdorf E, Landmesser U, Blaha M, Lincoff AM, Morishita R, Tsimikas S, Liu J, Manning B, Kozlovski P, Lesogor A, Thuren T, Shibasaki T, Matei F, Silveira FS, Meunch A, Bada A, Vijan V, Bruun NE, Nordestgaard BG. Lipoprotein(a) levels in a global population with established atherosclerotic cardiovascular disease. Open Heart 2022; 9:e002060. [PMID: 36252994 PMCID: PMC9577925 DOI: 10.1136/openhrt-2022-002060] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 09/21/2022] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVE Lipoprotein(a) (Lp(a)) is an important genetically determined risk factor for atherosclerotic vascular disease (ASCVD). With the development of Lp(a)-lowering therapies, this study sought to characterise patterns of Lp(a) levels in a global ASCVD population and identify racial, ethnic, regional and gender differences. METHODS A multicentre cross-sectional epidemiological study to estimate the prevalence of elevated Lp(a) in patients with a history of myocardial infarction, ischaemic stroke or peripheral artery disease conducted at 949 sites in 48 countries in North America, Europe, Asia, South America, South Africa and Australia between April 2019 and July 2021. Low-density lipoprotein cholesterol (LDL-C) and Lp(a) levels were measured either as mass (mg/dL) or molar concentration (nmol/L). RESULTS Of 48 135 enrolled patients, 13.9% had prior measurements of Lp(a). Mean age was 62.6 (SD 10.1) years and 25.9% were female. Median Lp(a) was 18.0 mg/dL (IQR 7.9-57.1) or 42.0 nmol/L (IQR 15.0-155.4). Median LDL-C was 77 mg/dL (IQR 58.4-101.0). Lp(a) in women was higher, 22.8 (IQR 9.0-73.0) mg/dL, than in men, 17.0 (IQR 7.1-52.2) mg/dL, p<0.001. Black patients had Lp(a) levels approximately threefold higher than white, Hispanic or Asian patients. Younger patients also had higher levels. 27.9% of patients had Lp(a) levels >50 mg/dL, 20.7% had levels >70 mg/dL, 12.9% were >90 mg/dL and 26.0% of patients exceeded 150 nmol/L. CONCLUSIONS Globally, Lp(a) is measured in a small minority of patients with ASCVD and is highest in black, younger and female patients. More than 25% of patients had levels exceeding the established threshold for increased cardiovascular risk, approximately 50 mg/dL or 125 nmol/L. TRIAL REGISTRATION NUMBER
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Affiliation(s)
- Steven E Nissen
- Cleveland Clinic Cardiovascular Coordinating Center, Cleveland, Ohio, USA
| | - Kathy Wolski
- Cleveland Clinic Cardiovascular Coordinating Center, Cleveland, Ohio, USA
| | - Leslie Cho
- Cleveland Clinic Cardiovascular Coordinating Center, Cleveland, Ohio, USA
| | - Stephen J Nicholls
- Victorian Heart Institute, Monash University, Clayton, Victoria, Australia
| | | | - Eran Leitersdorf
- Department of Medicine, Hadassah Medical Center, Jerusalem, Israel
- Israel and Faculty of Medicine, the Hebrew University, Jerusalem, Israel
| | - Ulf Landmesser
- Department of Cardiology, Charité University Medicine Berlin, German Center for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin Institute of Health, Berlin, Germany
| | - Michael Blaha
- Johns Hopkins, Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland, USA
| | - A Michael Lincoff
- Cleveland Clinic Cardiovascular Coordinating Center, Cleveland, Ohio, USA
| | - Ryuichi Morishita
- Center of Medical Innovation and Translational Research School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Sotirios Tsimikas
- Division of Cardiovascular Medicine, University of California San Diego, La Jolla, California, USA
| | - Junhao Liu
- Novartis Pharmaceuticals, East Hanover, New Jersey, USA
| | - Brian Manning
- Novartis Pharmaceuticals, East Hanover, New Jersey, USA
| | | | | | - Tom Thuren
- Novartis Pharmaceuticals, East Hanover, New Jersey, USA
| | - Taro Shibasaki
- Saitama Sekishinkai Hospital, Sayama-city, Saitama, Japan
| | | | | | | | - Aysha Bada
- Chris Hani Baragwanath Hospital, Soweto, South Africa
| | - Vinod Vijan
- Vijan Cardiac & Critical Care Centre, Maharashtra, India
| | | | - Borge G Nordestgaard
- Copenhagen University Hospital - Herlev Gentofte, University of Copenhagen, Copenhagen, Denmark
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57
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Loh WJ, Watts GF. The Inherited Hypercholesterolemias. Endocrinol Metab Clin North Am 2022; 51:511-537. [PMID: 35963626 DOI: 10.1016/j.ecl.2022.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Inherited hypercholesterolemias include monogenic and polygenic disorders, which can be very rare (eg, cerebrotendinous xanthomatosis (CTX)) or relatively common (eg, familial combined hyperlipidemia [FCH]). In this review, we discuss familial hypercholesterolemia (FH), FH-mimics (eg, polygenic hypercholesterolemia [PH], FCH, sitosterolemia), and other inherited forms of hypercholesterolemia (eg, hyper-lipoprotein(a) levels [hyper-Lp(a)]). The prevalence, genetics, and management of inherited hypercholesterolemias are described and selected guidelines summarized.
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Affiliation(s)
- Wann Jia Loh
- Department of Endocrinology, Changi General Hospital, 2 Simei Street 3, Singapore 529889.
| | - Gerald F Watts
- School of Medicine, University of Western Australia, 35 Stirling Hwy, Crawley, Western Australia 6009, Australia; Department of Cardiology and Internal Medicine, Royal Perth Hospital, Victoria Square, Perth, Western Australia 6000, Australia
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Tsimikas S, Marcovina SM. Ancestry, Lipoprotein(a), and Cardiovascular Risk Thresholds: JACC Review Topic of the Week. J Am Coll Cardiol 2022; 80:934-946. [PMID: 36007992 DOI: 10.1016/j.jacc.2022.06.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/28/2022] [Accepted: 06/30/2022] [Indexed: 12/24/2022]
Abstract
This study reviews ancestral differences in the genetics of the LPA gene, risk categories of elevated lipoprotein(a) [Lp(a)] as defined by guidelines, ancestry-specific Lp(a) risk, absolute and proportional risk, predictive value of risk thresholds among different ancestries, and differences between laboratory vs clinical accuracy in Lp(a) assays. For clinical decision-making, the preponderance of evidence suggests that the predictive value of Lp(a) does not vary sufficiently to mandate the use of ancestry-specific risk thresholds. This paper interprets the literature on Lp(a) and ancestral risk to support: 1) clinicians on understanding cardiovascular disease risk in different ancestral groups; 2) trialists for the design of clinical trials to ensure adequate ancestral diversity to support broad conclusions of drug effects; 3) regulators in the evaluation of the design and interpretation of results of Lp(a)-lowering trials with different Lp(a) inclusion thresholds; and 4) clinical laboratories to measure Lp(a) by assays that discriminate risk thresholds appropriately.
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Affiliation(s)
- Sotirios Tsimikas
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Center, University of California San Diego, La Jolla, California, USA.
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Wilson DP, Jacobson TA, Jones PH, Koschinsky ML, McNeal CJ, Nordestgaard BG, Orringer CE. Use of Lipoprotein(a) in clinical practice: A biomarker whose time has come. A scientific statement from the National Lipid Association. J Clin Lipidol 2022; 16:e77-e95. [PMID: 36068139 DOI: 10.1016/j.jacl.2022.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Lipoprotein(a) [Lp(a)] is a well-recognized, independent risk factor for atherosclerotic cardiovascular disease, with elevated levels estimated to be prevalent in 20% of the population. Observational and genetic evidence strongly support a causal relationship between high plasma concentrations of Lp(a) and increased risk of atherosclerotic cardiovascular disease-related events, such as myocardial infarction and stroke, and valvular aortic stenosis. In this scientific statement, we review an array of evidence-based considerations for testing of Lp(a) in clinical practice and the utilization of Lp(a) levels to inform treatment strategies in primary and secondary prevention.
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Affiliation(s)
- Don P Wilson
- Department of Pediatric Endocrinology and Diabetes, Cook Children''s Medical Center, Fort Worth, TX, USA.
| | - Terry A Jacobson
- Department of Medicine, Lipid Clinic and Cardiovascular Risk Reduction Program, Emory University, Atlanta, GA, USA
| | - Peter H Jones
- Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Marlys L Koschinsky
- Robarts Research Institute, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Ontario, Canada
| | - Catherine J McNeal
- Division of Cardiology, Department of Internal Medicine, Baylor Scott & White Health, Temple, TX, USA
| | - Børge G Nordestgaard
- Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark
| | - Carl E Orringer
- Division of Cardiology, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL, USA
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The Effect of Bariatric Surgery on Circulating Levels of Lipoprotein (a): A Meta-analysis. BIOMED RESEARCH INTERNATIONAL 2022; 2022:8435133. [PMID: 36033567 PMCID: PMC9402303 DOI: 10.1155/2022/8435133] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 03/08/2022] [Accepted: 08/01/2022] [Indexed: 11/17/2022]
Abstract
Background Obesity, especially severe obesity, is associated with a higher risk of atherosclerotic cardiovascular disease (ASCVD) morbidity and mortality. Bariatric surgery is a durable and effective weight loss therapy for patients with severe obesity and weight-related comorbidities. Elevated plasma levels of lipoprotein (a) (Lp(a)) are causally associated with ASCVD. The aim of this meta-analysis was to analyze whether bariatric surgery is associated with Lp(a) concentrations. Methods A literature search in PubMed, Scopus, Embase, and Web of Science was performed from inception to May 1st, 2021. A random-effects model and the generic inverse variance weighting method were used to compensate for the heterogeneity of studies in terms of study design, treatment duration, and the characteristics of the studied populations. A random-effects metaregression model was used to explore the association with an estimated effect size. Evaluation of funnel plot, Begg's rank correlation, and Egger's weighted regression tests were used to assess the presence of publication bias in the meta-analysis. Results Meta-analysis of 13 studies including 1551 patients showed a significant decrease of circulating Lp(a) after bariatric surgery (SMD: -0.438, 95% CI: -0.702, -0.174, p < 0.001, I2: 94.05%). The results of the metaregression did not indicate any significant association between the changes in Lp(a) and duration of follow-up after surgery, reduction in body mass index, or baseline Lp(a) concentration. The reduction in circulating Lp(a) was robust in the leave-one-out sensitivity analysis. Conclusion Bariatric surgery significantly decreases circulating Lp(a) concentrations. This decrease may have a positive effect on ASCVD in obese patients.
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Patel N, Mittal N, Choubdar PA, Taub PR. Lipoprotein(a)—When to Screen and How to Treat. CURRENT CARDIOVASCULAR RISK REPORTS 2022. [DOI: 10.1007/s12170-022-00698-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Lipoprotein(a) in the Korean Pediatric Population Visiting Local Clinics and Hospitals. Nutrients 2022; 14:nu14142820. [PMID: 35889777 PMCID: PMC9320048 DOI: 10.3390/nu14142820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 06/30/2022] [Accepted: 07/07/2022] [Indexed: 12/11/2022] Open
Abstract
In this paper we investigate serum lipoprotein(a), an independent risk factor for cardiovascular disease in the Korean pediatric population. Visiting local clinics and hospitals, 600 lipoprotein(a) tests were performed on 416 Korean children and adolescents (124 boys and 292 girls), with a median age of 11.1 years (interquartile range, IQR, 9.8–13.9). The median lipoprotein(a) level was 21.5 nmol/L (IQR, 8.2–51.7). Among the 416 patients, the 90th percentile value of the initial lipoprotein(a) measurement was 107.8 nmol/L. The proportion of patients with lipoprotein(a) ≥ 100 nmol/L was 11.3%. The lipoprotein(a) level and the proportion of patients with lipoprotein(a) ≥ 100 nmol/L were not significantly different among sex, or age group. Among the 416 patients, 122 (29.3%, 21 boys and 101 girls) underwent at least two follow-up lipoprotein(a) measurements. The median follow-up period was 6.7 months (IQR, 5.5–11.8). The median lipoprotein(a) level across the 122 patients was 25 nmol/L (IQR 10.0–72.0). Among those patients, seven (5.7%) experienced an increase in serum lipoprotein(a) to ≥100 nmol/L during follow-up measurements. Further studies are needed in the Korean pediatric population in order to clarify the clinical significance of this change long-term.
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Ying Q, Ronca A, Chan DC, Pang J, Favari E, Watts GF. Effect of a PCSK9 inhibitor and a statin on cholesterol efflux capacity: A limitation of current cholesterol-lowering treatments? Eur J Clin Invest 2022; 52:e13766. [PMID: 35294778 PMCID: PMC9541635 DOI: 10.1111/eci.13766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/06/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Cellular cholesterol efflux is a key step in reverse cholesterol transport that may impact on atherosclerotic cardiovascular risk. The process may be reliant on the availability of apolipoprotein (apo) B-100-containing lipoproteins to accept cholesterol from high-density lipoprotein. Evolocumab and atorvastatin are known to lower plasma apoB-100-containing lipoproteins that could impact on cholesterol efflux capacity (CEC). METHODS We conducted a 2-by-2 factorial trial of the effects of subcutaneous evolocumab (420 mg every 2 weeks) and atorvastatin (80 mg daily) for 8 weeks on CEC in 81 healthy, normolipidaemic men. The capacity of whole plasma and apoB-depleted plasma, including ATP-binding cassette transporter A1 (ABCA1)-mediated and passive diffusion, to efflux cholesterol, was measured. RESULTS Evolocumab and atorvastatin independently decreased whole plasma CEC (main effect p < .01 for both). However, there were no significant effects of evolocumab and atorvastatin on apoB-depleted plasma, ABCA1-mediated and passive diffusion-mediated CEC (p > .05 in all). In the three intervention groups combined, the reduction in whole plasma CEC was significantly correlated with the corresponding reduction in plasma apoB-100 concentration (r = .339, p < .01). In the evolocumab monotherapy group, the reduction in whole plasma CEC was also significantly correlated with the corresponding reduction in plasma lipoprotein(a) concentration (r = .487, p < .05). CONCLUSIONS In normolipidaemic men, evolocumab and atorvastatin decrease the capacity of whole plasma to efflux cellular cholesterol. These effects may be chiefly owing to a fall in the availability of apoB-100-containing lipoproteins. Reduction in circulating lipoprotein(a) may also contribute to the decrease in whole plasma cholesterol efflux with evolocumab monotherapy.
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Affiliation(s)
- Qidi Ying
- Medical School, Faculty of Health and Medical Sciences, University of Western Australia, Perth, Western Australia, Australia
| | - Annalisa Ronca
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Dick C Chan
- Medical School, Faculty of Health and Medical Sciences, University of Western Australia, Perth, Western Australia, Australia
| | - Jing Pang
- Medical School, Faculty of Health and Medical Sciences, University of Western Australia, Perth, Western Australia, Australia
| | - Elda Favari
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Gerald F Watts
- Medical School, Faculty of Health and Medical Sciences, University of Western Australia, Perth, Western Australia, Australia.,Lipid Disorders Clinic, Department of Cardiology and Internal Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
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Obisesan OH, Kou M, Wang FM, Boakye E, Honda Y, Uddin SMI, Dzaye O, Osei AD, Orimoloye OA, Howard‐Claudio CM, Coresh J, Blumenthal RS, Hoogeveen RC, Budoff MJ, Matsushita K, Ballantyne CM, Blaha MJ. Lipoprotein(a) and Subclinical Vascular and Valvular Calcification on Cardiac Computed Tomography: The Atherosclerosis Risk in Communities Study. J Am Heart Assoc 2022; 11:e024870. [PMID: 35656990 PMCID: PMC9238743 DOI: 10.1161/jaha.121.024870] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Background Lipoprotein(a) (Lp(a)) is a potent causal risk factor for cardiovascular events and mortality. However, its relationship with subclinical atherosclerosis, as defined by arterial calcification, remains unclear. This study uses the ARIC (Atherosclerosis Risk in Communities Study) to evaluate the relationship between Lp(a) in middle age and measures of vascular and valvular calcification in older age. Methods and Results Lp(a) was measured at ARIC visit 4 (1996-1998), and coronary artery calcium (CAC), together with extracoronary calcification (including aortic valve calcium, aortic valve ring calcium, mitral valve calcification, and thoracic aortic calcification), was measured at visit 7 (2018-2019). Lp(a) was defined as elevated if >50 mg/dL and CAC/extracoronary calcification were defined as elevated if >100. Logistic and linear regression models were used to evaluate the association between Lp(a) and CAC/extracoronary calcification, with further stratification by race. The mean age of participants at visit 4 was 59.2 (SD 4.3) years, with 62.2% women. In multivariable adjusted analyses, elevated Lp(a) was associated with higher odds of elevated aortic valve calcium (adjusted odds ratio [aOR], 1.82; 95% CI, 1.34-2.47), CAC (aOR, 1.40; 95% CI, 1.08-1.81), aortic valve ring calcium (aOR, 1.36; 95% CI, 1.07-1.73), mitral valve calcification (aOR, 1.37; 95% CI, 1.06-1.78), and thoracic aortic calcification (aOR, 1.36; 95% CI, 1.05-1.77). Similar results were obtained when Lp(a) and CAC/extracoronary calcification were examined on continuous logarithmic scales. There was no significant difference in the association between Lp(a) and each measure of calcification by race or sex. Conclusions Elevated Lp(a) at middle age is significantly associated with vascular and valvular calcification in older age, represented by elevated CAC, aortic valve calcium, aortic valve ring calcium, mitral valve calcification, thoracic aortic calcification. Our findings encourage assessing Lp(a) levels in individuals with increased cardiovascular disease risk, with subsequent comprehensive vascular and valvular assessment where elevated.
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Affiliation(s)
- Olufunmilayo H. Obisesan
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular DiseaseBaltimoreMD,Medstar Union Memorial HospitalBaltimoreMD
| | - Minghao Kou
- Tulane University School of Public Health and Tropical MedicineNew OrleansLA
| | | | - Ellen Boakye
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular DiseaseBaltimoreMD
| | - Yasuyuki Honda
- Johns Hopkins Bloomberg School of Public HealthBaltimoreMD
| | | | - Omar Dzaye
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular DiseaseBaltimoreMD
| | | | | | | | - Josef Coresh
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular DiseaseBaltimoreMD,Johns Hopkins Bloomberg School of Public HealthBaltimoreMD
| | - Roger S. Blumenthal
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular DiseaseBaltimoreMD
| | | | - Matthew J. Budoff
- Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical CenterLos AngelesCA
| | - Kunihiro Matsushita
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular DiseaseBaltimoreMD,Johns Hopkins Bloomberg School of Public HealthBaltimoreMD
| | | | - Michael J. Blaha
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular DiseaseBaltimoreMD
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65
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Marcovina SM, Navabi N, Allen S, Gonen A, Witztum JL, Tsimikas S. Development and Validation of an Isoform Independent Monoclonal Antibody-Based ELISA for Measurement of Lipoprotein(a). J Lipid Res 2022; 63:100239. [PMID: 35688187 PMCID: PMC9352967 DOI: 10.1016/j.jlr.2022.100239] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 06/03/2022] [Accepted: 06/04/2022] [Indexed: 12/24/2022] Open
Abstract
The study aims were to develop a new isoform-independent enzyme-linked immunoassay (ELISA) for the measurement of lipoprotein(a) [Lp(a)], validate its performance characteristics, and demonstrate its accuracy by comparison with the gold-standard ELISA method and an LC-MS/MS candidate reference method, both developed at the University of Washington. The principle of the new assay is the capture of Lp(a) with monoclonal antibody LPA4 primarily directed to an epitope in apolipoprotein(a) KIV2 and its detection with monoclonal antibody LPA-KIV9 directed to a single antigenic site present on KIV9. Validation studies were performed following the guidelines of the Clinical Laboratory Improvement Amendments and the College of American Pathologists. The analytical measuring range of the LPA4/LPA-KIV9 ELISA is 0.27–1,402 nmol/L, and the method meets stringent criteria for precision, linearity, spike and recovery, dilutability, comparison of plasma versus serum, and accuracy. Method comparison with both the gold-standard ELISA and the LC-MS/MS method performed in 64 samples with known apolipoprotein(a) isoforms resulted in excellent correlation with both methods (r=0.987 and r=0.976, respectively). Additionally, the variation in apolipoprotein(a) size accounted for only 0.2% and 2.2% of the bias variation, respectively, indicating that the LPA4/LPA-KIV9 ELISA is not affected by apolipoprotein(a) size polymorphism. Peptide mapping and competition experiments demonstrated that the measuring monoclonal antibodies used in the gold-standard ELISA (a-40) and in the newly developed ELISA (LPA-KIV9) are directed to the same epitope, 4076LETPTVV4082, on KIV9. In conclusion, no statistically or clinically significant bias was observed between Lp(a) measurements obtained by the LPA4/LPA-KIV9 ELISA and those obtained by the gold-standard ELISA or LC-MS/MS, and therefore, the methods are considered equivalent.
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Affiliation(s)
| | | | - Serena Allen
- Medpace Reference Laboratories, Cincinnati, Ohio, USA
| | - Ayelet Gonen
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Joseph L Witztum
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Sotirios Tsimikas
- Vascular Medicine Program, Sulpizio Cardiovascular Center, Division of Cardiology, University of California San Diego, La Jolla, California, USA.
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66
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Ying Q, Chan DC, Pang J, Marcovina SM, Barrett PHR, Watts GF. PCSK9 inhibition with alirocumab decreases plasma lipoprotein(a) concentration by a dual mechanism of action in statin-treated patients with very high apolipoprotein(a) concentration. J Intern Med 2022; 291:870-876. [PMID: 35112754 DOI: 10.1111/joim.13457] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Inhibition of proprotein convertase subtilisin/kexin type 9 with alirocumab decreases plasma lipoprotein(a) [Lp(a)] levels. The kinetic mechanism for lowering Lp(a) by alirocumab may differ according to pre-treatment apolipoprotein(a) [apo(a)] levels. METHODS The effect of 12-week alirocumab (150 mg subcutaneously fortnightly) on the kinetics of apo(a) was compared in statin-treated patients with high (n = 10) and very high Lp(a) concentrations (n = 11). RESULTS In patients with high apo(a) concentrations, alirocumab lowered plasma apo(a) pool size (-17%, p < 0.01) chiefly by increasing the fractional catabolic rate (FCR) of apo(a) (+27%, p < 0.001). By contrast in patients with very high apo(a) concentrations, alirocumab significantly lowered plasma apo(a) pool size (-32%, p < 0.001) by both increasing apo(a) FCR (+30%, p < 0.001) and lowering production rate (-11%, p < 0.05). CONCLUSIONS In statin-treated patients with very high apo(a) concentrations, alirocumab lowers plasma Lp(a) concentration by a dual mode of action that increases the clearance and decreases the production of Lp(a) particles.
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Affiliation(s)
- Qidi Ying
- Faculty of Health and Medical Sciences, Medical School, University of Western Australia, Perth, Western Australia, Australia
| | - Dick C Chan
- Faculty of Health and Medical Sciences, Medical School, University of Western Australia, Perth, Western Australia, Australia
| | - Jing Pang
- Faculty of Health and Medical Sciences, Medical School, University of Western Australia, Perth, Western Australia, Australia
| | | | - Peter Hugh R Barrett
- Faculty of Medicine and Health, University of New England, Armidale, New South Wales, Australia
| | - Gerald F Watts
- Faculty of Health and Medical Sciences, Medical School, University of Western Australia, Perth, Western Australia, Australia.,Department of Cardiology and Internal Medicine, Lipid Disorders Clinic, Royal Perth Hospital, Perth, Western Australia, Australia
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67
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Arsenault BJ, Kamstrup PR. Lipoprotein(a) and cardiovascular and valvular diseases: A genetic epidemiological perspective. Atherosclerosis 2022; 349:7-16. [PMID: 35606078 DOI: 10.1016/j.atherosclerosis.2022.04.015] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/08/2022] [Accepted: 04/14/2022] [Indexed: 12/12/2022]
Abstract
Rates of atherosclerotic cardiovascular diseases (CVD) in the Western world have spectacularly decreased over the past 50 years. However, a substantial proportion of high-risk patients still develop heart attacks, strokes and valvular heart diseases despite benefiting from state-of-the-art treatments including lipid-lowering therapies. Over the past 10-15 years, it has become increasingly clear that Lipoprotein(a) (Lp[a]) is a critical component of this so-called residual risk. Genetic association studies revealed that Lp(a) is robustly, independently and causally associated with a broad range of cardiovascular and valvular heart diseases. Up to 1 billion people around the globe may have an Lp(a) level that places them in a high-risk category. Lp(a) is strongly associated with calcific aortic valve stenosis (CAVS), coronary artery disease (CAD), peripheral arterial disease (PAD) and to a lesser extent with ischemic stroke (IS) and heart failure (HF). Because of this strong association with cardiovascular and valvular heart diseases, Lp(a) even emerged as one of the most important genetic determinants of human lifespan and healthspan. Here, we review the evidence from the largest and most informative genetic association studies and prospective studies that have investigated the association between Lp(a) and human lifespan, healthspan, CVD, CAVS and non-cardiovascular diseases. We present Lp(a) threshold values that may be clinically relevant and identify other cardiovascular risk factors that may modulate the absolute risk of CVD in individuals with high Lp(a) levels. Finally, we identify key clinical and research questions that require further investigation to eventually and optimally reduce CVD risk in patients with high Lp(a) levels.
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Affiliation(s)
- Benoit J Arsenault
- Centre de recherche de l'Institut universitaire de cardiologie et de pneumologie de Québec, Canada; Department of Medicine, Faculty of Medicine, Université Laval, Québec, QC, Canada.
| | - Pia R Kamstrup
- Department of Clinical Biochemistry and, Copenhagen University Hospital - Herlev and Gentofte, Borgmester Ib Juuls Vej 73, DK-2730, Herlev, Denmark; The Copenhagen General Population Study, Copenhagen University Hospital - Herlev and Gentofte, Borgmester Ib Juuls Vej 73, DK-2730, Herlev, Denmark.
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68
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Masson W, Lobo M, Barbagelata L, Molinero G, Bluro I, Nogueira JP. Elevated lipoprotein (a) levels and risk of peripheral artery disease outcomes: A systematic review. Vasc Med 2022; 27:385-391. [PMID: 35466849 DOI: 10.1177/1358863x221091320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Despite strong association of elevated lipoprotein (a) (Lp(a)) levels with incident coronary and cerebrovascular disease, data for incident peripheral artery disease (PAD) are less robust. The main objective of the present systematic review was to analyze the association between elevated Lp(a) levels and PAD outcomes. METHODS This systematic review was performed according to PRISMA guidelines. A literature search was performed to detect randomized clinical trials or observational studies with a cohort design that evaluated the association between Lp(a) levels and PAD outcomes. RESULTS Fifteen studies including 493,650 subjects were identified and considered eligible for this systematic review. This systematic review showed that the vast majority of the studies reported a significant association between elevated Lp(a) levels and the risk of PAD outcomes. The elevated Lp(a) levels were associated with a higher risk of incident claudication (RR: 1.20), PAD progression (HR: 1.41), restenosis (HR: 6.10), death and hospitalization related to PAD (HR: 1.37), limb amputation (HR: 22.75), and lower limb revascularization (HR: 1.29 and 2.90). In addition, the presence of elevated Lp(a) values were associated with a higher risk of combined PAD outcomes, with HRs in a range between 1.14 and 2.80, despite adjusting for traditional risk factors. Heterogeneity of results can be explained by different patient populations studied and varying Lp(a) cut-off points of Lp(a) analyzed. CONCLUSION This systematic review suggests that evidence is available to support an independent positive association between Lp(a) levels and the risk of future PAD outcomes. PROSPERO Registration No.: 289253.
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Affiliation(s)
- Walter Masson
- Council of Epidemiology and Cardiovascular Prevention, Argentine Society of Cardiology, Buenos Aires, Argentina.,Cardiology Department, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Martín Lobo
- Council of Epidemiology and Cardiovascular Prevention, Argentine Society of Cardiology, Buenos Aires, Argentina.,Cardiology Department, Hospital Militar Campo de Mayo, Buenos Aires, Argentina
| | - Leandro Barbagelata
- Cardiology Department, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Graciela Molinero
- Council of Epidemiology and Cardiovascular Prevention, Argentine Society of Cardiology, Buenos Aires, Argentina
| | - Ignacio Bluro
- Cardiology Department, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Juan P Nogueira
- Centro de Investigación en Endocrinología, Nutrición y Metabolismo (CIENM), Facultad de Ciencias de la Salud, Universidad Nacional de Formosa, Formosa, Formosa Province, Argentina
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69
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Chakraborty A, Chan DC, Ellis KL, Pang J, Barnett W, Woodward AM, Vorster M, Norman R, Moses EK, Watts GF. Cascade testing for elevated lipoprotein(a) in relatives of probands with high lipoprotein(a). Am J Prev Cardiol 2022; 10:100343. [PMID: 35517871 PMCID: PMC9062205 DOI: 10.1016/j.ajpc.2022.100343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/05/2022] [Accepted: 04/14/2022] [Indexed: 01/21/2023] Open
Abstract
Elevated lipoprotein(a) [Lp(a)] is a common inherited condition associated with atherosclerotic cardiovascular disease. Elevated Lp(a) is not routinely tested in clinical practice and most cases remain undiagnosed in the community. We identified 124 relatives with elevated Lp(a) (≥50 mg/dL) from 83 affected adult probands who also had dyslipidemia. We also demonstrate that follow-up management is effective in lowering low-density lipoprotein-cholesterol levels by 34% as a consequence of initiation of lipid-lowering therapy. Cascade testing families for elevated Lp(a) from affected probands with dyslipidemia is an effective and acceptable approach for identifying new cases of elevated Lp(a) who will require management of modifiable risk factors, particularly hypercholesterolemia.
Objective Elevated lipoprotein(a) [Lp(a)] is a common inherited condition associated with cardiovascular disease. This study investigated whether cascade testing for Lp(a) was effective in detecting new cases of elevated Lp(a) in families. Methods Relatives from adult probands with Lp(a) concentration ≥100 mg/dL were tested for elevated Lp(a) (≥50 mg/dL) via a cascade testing program in a tertiary hospital setting. The prevalence and yield of detecting new cases of elevated Lp(a) among the relatives were assessed. Results Of the 83 probands, 43.4% had familial combined hyperlipidemia (FCHL) and 34.9% common hypercholesterolemia (CH). Among 182 relatives tested (151 adults and 31 children), elevated Lp(a) was found in 68.1%, with 32.9% having Lp(a) between 50 and 99 mg/dL and 35.2% having Lp(a) ≥100 mg/dL. One new case of elevated Lp(a) ≥50 mg/dL was identified for every 1.5 relatives tested and 1 new case of elevated Lp(a) ≥100 mg/dL for every 2.8 relatives tested. The proportion of relatives detected with elevated Lp(a) was significantly higher when tested from probands with Lp(a) >150 mg/dL compared with those with Lp(a) between 100 and 150 mg/dL (81.1% vs. 55.5%; P = 0.001). The concordance rates (kappa coefficient) for the detection of elevated Lp(a) with FCHL and CH were 34.8% (0.026) and 53.2% (0.099), respectively. Conclusion Cascade testing for elevated Lp(a) from affected probands with phenotypic dyslipidemia is highly effective in identifying new cases of high Lp(a) in families. The yield of detecting elevated Lp(a) is greater when probands have higher levels of Lp(a) and exceeds the detection of relatives with FCHL and CH.
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Affiliation(s)
- Anindita Chakraborty
- Medical School, University of Western Australia, Perth, Western Australia, Australia
| | - Dick C. Chan
- Medical School, University of Western Australia, Perth, Western Australia, Australia
| | - Katrina L. Ellis
- Medical School, University of Western Australia, Perth, Western Australia, Australia
| | - Jing Pang
- Medical School, University of Western Australia, Perth, Western Australia, Australia
| | - Wendy Barnett
- Lipid Disorders Clinic, Department of Cardiology and Internal Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
| | - Ann Marie Woodward
- Lipid Disorders Clinic, Department of Cardiology and Internal Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
| | - Mary Vorster
- Lipid Disorders Clinic, Department of Cardiology and Internal Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
| | - Richard Norman
- School of Population Health, Curtin University, Perth, Western Australia, Australia
| | - Eric K. Moses
- Menzies Institute for Medical Research, University of Tasmania, Tasmania, Australia
| | - Gerald F. Watts
- Medical School, University of Western Australia, Perth, Western Australia, Australia
- Lipid Disorders Clinic, Department of Cardiology and Internal Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
- Corresponding author: Medical School, Faculty of Health and Medical Sciences, University of Western Australia, Royal Perth Hospital, GPO Box X2213, Perth, WA 6847, Australia.
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Lin YT, Wang LK, Hung KC, Chang CY, Wu LC, Ho CH, Chen JY. Prevalence and Predictors of Insufficient Plasma Vitamin C in a Subtropical Region and Its Associations with Risk Factors of Cardiovascular Diseases: A Retrospective Cross-Sectional Study. Nutrients 2022; 14:nu14051108. [PMID: 35268083 PMCID: PMC8912640 DOI: 10.3390/nu14051108] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 02/25/2022] [Accepted: 03/04/2022] [Indexed: 02/06/2023] Open
Abstract
Background: to evaluate the prevalence and predictors of insufficient plasma vitamin C among adults in a subtropical region and its associations with cardiovascular disease risk factors including dyslipidemia and lipid-independent markers, namely homocysteine, high-sensitivity C-reactive protein (hs-CRP) and lipoprotein(a). Methods: Data of this retrospective cross-sectional study were extracted from electronic medical database of a Medical Center. Based on plasma vitamin C status, subjects were split into two groups—subjects with sufficient and insufficient plasma vitamin C levels (<50 µmol/L, ≤8.8 mg/L). Results: Prevalence of insufficient plasma vitamin C in 3899 adults was 39%. Multivariate logistic regression identified male gender, high body mass index, age 20−39, and winter/spring as independent predictors of insufficient vitamin C among all subjects. Greater proportions of subjects with insufficient plasma vitamin C had lower high-density lipoprotein cholesterol levels and elevated levels of triglyceride, homocysteine and hs-CRP (all p < 0.001). There were no differences in total cholesterol, low-density lipoprotein cholesterol and lipoprotein(a) between groups. Conclusions: There was a high prevalence of insufficient plasma vitamin C in the subtropical region, which indicates that insufficient plasma vitamin C remains a public health issue. Further study is needed to confirm these findings and to determine the underlying mechanisms.
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Affiliation(s)
- Yao-Tsung Lin
- Department of Anesthesiology, Chi Mei Medical Center, Tainan 71004, Taiwan; (Y.-T.L.); (L.-K.W.); (K.-C.H.)
- Department of Hospital and Health Care Administration, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan
| | - Li-Kai Wang
- Department of Anesthesiology, Chi Mei Medical Center, Tainan 71004, Taiwan; (Y.-T.L.); (L.-K.W.); (K.-C.H.)
- Department of Hospital and Health Care Administration, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan
| | - Kuo-Chuan Hung
- Department of Anesthesiology, Chi Mei Medical Center, Tainan 71004, Taiwan; (Y.-T.L.); (L.-K.W.); (K.-C.H.)
- Department of Hospital and Health Care Administration, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan
| | - Chia-Yu Chang
- Department of Neurology, Chi Mei Medical Center, Tainan 71004, Taiwan;
- The Center for General Education, Southern Taiwan University of Science and Technology, Tainan 80424, Taiwan
| | - Li-Ching Wu
- Center for Precision Medicine, Chi Mei Medical Center, Tainan 71004, Taiwan;
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Chung-Han Ho
- Department of Medical Research, Chi Mei Medical Center, Tainan 71004, Taiwan;
| | - Jen-Yin Chen
- Department of Anesthesiology, Chi Mei Medical Center, Tainan 71004, Taiwan; (Y.-T.L.); (L.-K.W.); (K.-C.H.)
- Correspondence:
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de Boer LM, Hof MH, Wiegman A, Stroobants AK, Kastelein JJ, Hutten BA. Lipoprotein(a) levels from childhood to adulthood: Data in nearly 3,000 children who visited a pediatric lipid clinic. Atherosclerosis 2022; 349:227-232. [DOI: 10.1016/j.atherosclerosis.2022.03.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/14/2022] [Accepted: 03/01/2022] [Indexed: 02/02/2023]
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72
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Catapano AL, Daccord M, Damato E, Humphries SE, Neely RDG, Nordestgaard BG, Pistollato M, Steinhagen-Thiessen E. How should public health recommendations address Lp(a) measurement, a causative risk factor for cardiovascular disease (CVD)? Atherosclerosis 2022; 349:136-143. [DOI: 10.1016/j.atherosclerosis.2022.02.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/31/2022] [Accepted: 02/10/2022] [Indexed: 12/18/2022]
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Measurement of Lipoprotein(a): A Once in a Lifetime Opportunity. J Am Coll Cardiol 2022; 79:629-631. [PMID: 35177191 DOI: 10.1016/j.jacc.2021.11.053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 11/22/2022]
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74
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Trinder M, Paruchuri K, Haidermota S, Bernardo R, Zekavat SM, Gilliland T, Januzzi J, Natarajan P. Repeat Measures of Lipoprotein(a) Molar Concentration and Cardiovascular Risk. J Am Coll Cardiol 2022; 79:617-628. [PMID: 35177190 PMCID: PMC8863206 DOI: 10.1016/j.jacc.2021.11.055] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/08/2021] [Accepted: 11/11/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND When indicated, guidelines recommend measurement of lipoprotein(a) for cardiovascular risk assessment. However, temporal variability in lipoprotein(a) is not well understood, and it is unclear if repeat testing may help refine risk prediction of coronary artery disease (CAD). OBJECTIVES The authors examined the stability of repeat lipoprotein(a) measurements and the association between instability in lipoprotein(a) molar concentration with incident CAD. METHODS The authors assessed the correlation between baseline and first follow-up measurements of lipoprotein(a) in the UK Biobank (n = 16,017 unrelated individuals). The association between change in lipoprotein(a) molar concentration and incident CAD was assessed among 15,432 participants using Cox proportional hazards models. RESULTS Baseline and follow-up lipoprotein(a) molar concentration were significantly correlated over a median of 4.42 years (IQR: 3.69-4.93 years; Spearman rho = 0.96; P < 0.0001). The correlation between baseline and follow-up lipoprotein(a) molar concentration were stable across time between measurements of <3 (rho = 0.96), 3-4 (rho = 0.97), 4-5 (rho = 0.96), and >5 years (rho = 0.96). Although there were negligible-to-modest associations between statin use and changes in lipoprotein(a) molar concentration, statin usage was associated with a significant increase in lipoprotein(a) among individuals with baseline levels ≥70 nmol/L. Follow-up lipoprotein(a) molar concentration was significantly associated with risk of incident CAD (HR per 120 nmol/L: 1.32 [95% CI: 1.16-1.50]; P = 0.0002). However, the delta between follow-up and baseline lipoprotein(a) molar concentration was not significantly associated with incident CAD independent of follow-up lipoprotein(a) (P = 0.98). CONCLUSIONS These findings suggest that, in the absence of therapies substantially altering lipoprotein(a), a single accurate measurement of lipoprotein(a) molar concentration is an efficient method to inform CAD risk.
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Affiliation(s)
- Mark Trinder
- Centre for Heart Lung Innovation, University of British Columbia, Vancouver.,Program in Medical and Population Genetics and the Cardiovascular Disease Initiative, Broad Institute of Harvard, Cambridge, Massachusetts
| | - Kaavya Paruchuri
- Program in Medical and Population Genetics and the Cardiovascular Disease Initiative, Broad Institute of Harvard, Cambridge, Massachusetts.,Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston.,Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts
| | - Sara Haidermota
- Program in Medical and Population Genetics and the Cardiovascular Disease Initiative, Broad Institute of Harvard, Cambridge, Massachusetts.,Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Rachel Bernardo
- Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts
| | - Seyedeh Maryam Zekavat
- Program in Medical and Population Genetics and the Cardiovascular Disease Initiative, Broad Institute of Harvard, Cambridge, Massachusetts.,Computational Biology & Bioinformatics Program, Yale University, New Haven, Connecticut
| | - Thomas Gilliland
- Program in Medical and Population Genetics and the Cardiovascular Disease Initiative, Broad Institute of Harvard, Cambridge, Massachusetts.,Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston.,Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts
| | - James Januzzi
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston.,Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts
| | - Pradeep Natarajan
- Program in Medical and Population Genetics and the Cardiovascular Disease Initiative, Broad Institute of Harvard, Cambridge, Massachusetts, USA; Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts, USA.
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Deconinck A, Morra S, Glassée N, van de Borne P. Value of repeated measurements of lipoprotein (a) to assess cardiovascular risk: a retrospective study. Acta Cardiol 2022:1-7. [PMID: 35144517 DOI: 10.1080/00015385.2022.2031377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Background: High plasma concentrations of lipoprotein (a) [Lp(a)] are associated with an increased cardiovascular risk. Current guidelines recommend measurement of only a single Lp(a) in an individual's lifetime under specific circumstances to improve cardiovascular risk prediction. Accordingly, the question raised is the number of false positives and negatives missed through only a single measurement.Methods: All Lp(a) measurements between 2004 and March 2021 were retrieved from the laboratory database of the Erasme hospital. Only patients with repeated measurement were included. The first and subsequent Lp(a) measurement were compared. Two different cohorts were studied as a result of a change in Lp(a) determination methodology (n = 2049 and n = 309, respectively). The effects of a third Lp(a) measurement were assessed through binary analyses (n = 678). The 180 mg/dl (430 nmol/L) threshold recommended in the ESC guidelines was assessed first. Analysis was repeated for 100, 70 and 50 mg/dl thresholds of raised Lp(a) levels.Results: A low rate of false negatives (0.8%-1%) and false positives (0.6-0.3%) were revealed with two Lp(a) measurements. There was no difference in regards to the divergent Lp(a) thresholds nor the measurement of Lp(a) on two or three occasions.Conclusion: The present study showed Lp(a) determination to be reproducible. A single measurement is sufficient to assess if a patient exceeds various cut-off values of elevated Lp(a) levels.
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Affiliation(s)
- Axelle Deconinck
- Department of Cardiology, Erasme University Hospital, Brussels, Belgium
| | - Sofia Morra
- Department of Cardiology, Erasme University Hospital, Brussels, Belgium
| | - Nina Glassée
- European Organisation for Research and Treatment of Cancer, Brussels, Belgium
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Chilazi M, Zheng W, Park J, Marvel FA, Khoury S, Jones SR, Martin SS. Quantifying the contribution of Lipoprotein (a) to all apoB containing particles. J Clin Lipidol 2022; 16:220-226. [DOI: 10.1016/j.jacl.2022.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 01/11/2022] [Accepted: 02/07/2022] [Indexed: 10/19/2022]
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Zheng W, Chilazi M, Park J, Sathiyakumar V, Donato LJ, Meeusen JW, Lazo M, Guallar E, Kulkarni KR, Jaffe AS, Santos RD, Toth PP, Jones SR, Martin SS. Assessing the Accuracy of Estimated Lipoprotein(a) Cholesterol and Lipoprotein(a)-Free Low-Density Lipoprotein Cholesterol. J Am Heart Assoc 2022; 11:e023136. [PMID: 35023348 PMCID: PMC9238537 DOI: 10.1161/jaha.121.023136] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Background Accurate measurement of the cholesterol within lipoprotein(a) (Lp[a]‐C) and its contribution to low‐density lipoprotein cholesterol (LDL‐C) has important implications for risk assessment, diagnosis, and treatment of atherosclerotic cardiovascular disease, as well as in familial hypercholesterolemia. A method for estimating Lp(a)‐C from particle number using fixed conversion factors has been proposed (Lp[a]‐C from particle number divided by 2.4 for Lp(a) mass, multiplied by 30% for Lp[a]‐C). The accuracy of this method, which theoretically can isolate “Lp(a)‐free LDL‐C,” has not been validated. Methods and Results In 177 875 patients from the VLDbL (Very Large Database of Lipids), we compared estimated Lp(a)‐C and Lp(a)‐free LDL‐C with measured values and quantified absolute and percent error. We compared findings with an analogous data set from the Mayo Clinic Laboratory. Error in estimated Lp(a)‐C and Lp(a)‐free LDL‐C increased with higher Lp(a)‐C values. Median error for estimated Lp(a)‐C <10 mg/dL was −1.9 mg/dL (interquartile range, −4.0 to 0.2); this error increased linearly, overestimating by +30.8 mg/dL (interquartile range, 26.1–36.5) for estimated Lp(a)‐C ≥50 mg/dL. This error relationship persisted after stratification by overall high‐density lipoprotein cholesterol and high‐density lipoprotein cholesterol subtypes. Similar findings were observed in the Mayo cohort. Absolute error for Lp(a)‐free LDL‐C was +2.4 (interquartile range, −0.6 to 5.3) for Lp(a)‐C<10 mg/dL and −31.8 (interquartile range, −37.8 to −26.5) mg/dL for Lp(a)‐C≥50 mg/dL. Conclusions Lp(a)‐C estimations using fixed conversion factors overestimated Lp(a)‐C and subsequently underestimated Lp(a)‐free LDL‐C, especially at clinically relevant Lp(a) values. Application of inaccurate Lp(a)‐C estimations to correct LDL‐C may lead to undertreatment of high‐risk patients.
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Affiliation(s)
- Weili Zheng
- Department of Cardiology Heart Vascular and Thoracic InstituteCleveland Clinic Cleveland OH.,Ciccarone Center for the Prevention of Cardiovascular Disease Division of Cardiology Department of Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Michael Chilazi
- Ciccarone Center for the Prevention of Cardiovascular Disease Division of Cardiology Department of Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Jihwan Park
- Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | - Vasanth Sathiyakumar
- Ciccarone Center for the Prevention of Cardiovascular Disease Division of Cardiology Department of Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Leslie J Donato
- Department of Laboratory Medicine and Pathology Mayo Clinic Rochester MN
| | - Jeffrey W Meeusen
- Department of Laboratory Medicine and Pathology Mayo Clinic Rochester MN
| | - Mariana Lazo
- Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD.,Welch Center for Prevention, Epidemiology, and Clinical Research Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | - Eliseo Guallar
- Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD.,Welch Center for Prevention, Epidemiology, and Clinical Research Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | | | - Allan S Jaffe
- Department of Laboratory Medicine and Pathology Mayo Clinic Rochester MN.,Department of Cardiology Mayo Clinic Rochester MN
| | - Raul D Santos
- Lipid Clinic Heart Institute (InCor)University of Sao Paulo Medical School Hospital Sao Paulo SP Brazil.,Hospital Israelita Albert Einstein Sao Paulo Brazil
| | - Peter P Toth
- Ciccarone Center for the Prevention of Cardiovascular Disease Division of Cardiology Department of Medicine Johns Hopkins University School of Medicine Baltimore MD.,CGH Medical Center Sterling IL
| | - Steven R Jones
- Ciccarone Center for the Prevention of Cardiovascular Disease Division of Cardiology Department of Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Seth S Martin
- Ciccarone Center for the Prevention of Cardiovascular Disease Division of Cardiology Department of Medicine Johns Hopkins University School of Medicine Baltimore MD.,Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD.,Welch Center for Prevention, Epidemiology, and Clinical Research Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore MD
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Reyes-Soffer G, Ginsberg HN, Berglund L, Duell PB, Heffron SP, Kamstrup PR, Lloyd-Jones DM, Marcovina SM, Yeang C, Koschinsky ML. Lipoprotein(a): A Genetically Determined, Causal, and Prevalent Risk Factor for Atherosclerotic Cardiovascular Disease: A Scientific Statement From the American Heart Association. Arterioscler Thromb Vasc Biol 2022; 42:e48-e60. [PMID: 34647487 PMCID: PMC9989949 DOI: 10.1161/atv.0000000000000147] [Citation(s) in RCA: 191] [Impact Index Per Article: 95.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
High levels of lipoprotein(a) [Lp(a)], an apoB100-containing lipoprotein, are an independent and causal risk factor for atherosclerotic cardiovascular diseases through mechanisms associated with increased atherogenesis, inflammation, and thrombosis. Lp(a) is predominantly a monogenic cardiovascular risk determinant, with ≈70% to ≥90% of interindividual heterogeneity in levels being genetically determined. The 2 major protein components of Lp(a) particles are apoB100 and apolipoprotein(a). Lp(a) remains a risk factor for cardiovascular disease development even in the setting of effective reduction of plasma low-density lipoprotein cholesterol and apoB100. Despite its demonstrated contribution to atherosclerotic cardiovascular disease burden, we presently lack standardization and harmonization of assays, universal guidelines for diagnosing and providing risk assessment, and targeted treatments to lower Lp(a). There is a clinical need to understand the genetic and biological basis for variation in Lp(a) levels and its relationship to disease in different ancestry groups. This scientific statement capitalizes on the expertise of a diverse basic science and clinical workgroup to highlight the history, biology, pathophysiology, and emerging clinical evidence in the Lp(a) field. Herein, we address key knowledge gaps and future directions required to mitigate the atherosclerotic cardiovascular disease risk attributable to elevated Lp(a) levels.
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Yoshida H, Hirowatari Y, Ogura M, Harada-Shiba M. Current concept and residual issues of lipoprotein(a) determination for a cardiovascular risk factor. Eur J Clin Invest 2022; 52:e13700. [PMID: 34747007 DOI: 10.1111/eci.13700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/19/2021] [Accepted: 09/21/2021] [Indexed: 12/13/2022]
Affiliation(s)
- Hiroshi Yoshida
- Department of Laboratory Medicine, The Jikei University Kashiwa Hospital, Chiba, Japan.,Internal Medicine of Metabolism and Nutrition, The Jikei University Graduate School of Medicine, Minato city, Japan
| | - Yuji Hirowatari
- Department of Health Science, Saitama Prefectural University, Saitama, Japan
| | - Masatsune Ogura
- Department of General Medical Science, Chiba University Graduate School of Medicine, Chiba, Japan.,Department of Molecular Innovation in Lipidology, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - Mariko Harada-Shiba
- Department of Molecular Innovation in Lipidology, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
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A Novel Predictive Nomogram including Serum Lipoprotein a Level for Nonsentinel Lymph Node Metastases in Chinese Breast Cancer Patients with Positive Sentinel Lymph Node Metastases. DISEASE MARKERS 2021; 2021:7879508. [PMID: 34853623 PMCID: PMC8629655 DOI: 10.1155/2021/7879508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/26/2021] [Indexed: 11/18/2022]
Abstract
Background We developed a new nomogram combining serum biomarkers with clinicopathological features to improve the accuracy of prediction of nonsentinel lymph node (SLN) metastases in Chinese breast cancer patients. Methods We enrolled 209 patients with breast cancer who underwent SLN biopsy and axillary lymph node dissection. We evaluated the relationships between non-SLN metastases and clinicopathologic features, as well as preoperative routine tests of blood indexes, tumor markers, and serum lipids, including lipoprotein a (Lp(a)). Risk factors for non-SLN metastases were identified by logistic regression analysis. The nomogram was created using the R program to predict the risk of non-SLN metastases in the training set. Receiver operating characteristic (ROC) analysis was applied to assess the predictive value of the nomogram model in the validation set. Results Lp(a) was significantly associated with non-SLN metastasis status. Compared with the MSKCC model, the predictive ability of our new nomogram that combined Lp(a) level and clinical variables (pathologic tumor size, lymphovascular invasion, multifocality, and positive/negative SLN numbers) was significantly greater (AUC: 0.732, 95% CI: 0.643–0.821) (C-index: 0.703, 95% CI: 0.656–0.791) in the training cohorts and also performed well in the validation cohorts (C-index: 0.773, 95% CI: 0.681–0.865). Moreover, the new nomogram with Lp(a) improved the accuracy (12.10%) of identification of patients with non-SLN metastases (NRI: 0.121; 95% CI: 0.081–0.202; P = 0.011). Conclusions This novel nomogram based on preoperative serum indexes combined with clinicopathologic features facilitates accurate prediction of risk of non-SLN metastases in Chinese patients with breast cancer.
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81
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Durlach V, Bonnefont-Rousselot D, Boccara F, Varret M, Di-Filippo Charcosset M, Cariou B, Valero R, Charriere S, Farnier M, Morange PE, Meilhac O, Lambert G, Moulin P, Gillery P, Beliard-Lasserre S, Bruckert E, Carrié A, Ferrières J, Collet X, Chapman MJ, Anglés-Cano E. Lipoprotein(a): Pathophysiology, measurement, indication and treatment in cardiovascular disease. A consensus statement from the Nouvelle Société Francophone d'Athérosclérose (NSFA). Arch Cardiovasc Dis 2021; 114:828-847. [PMID: 34840125 DOI: 10.1016/j.acvd.2021.10.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 10/16/2021] [Accepted: 10/18/2021] [Indexed: 10/19/2022]
Abstract
Lipoprotein(a) is an apolipoprotein B100-containing low-density lipoprotein-like particle that is rich in cholesterol, and is associated with a second major protein, apolipoprotein(a). Apolipoprotein(a) possesses structural similarity to plasminogen but lacks fibrinolytic activity. As a consequence of its composite structure, lipoprotein(a) may: (1) elicit a prothrombotic/antifibrinolytic action favouring clot stability; and (2) enhance atherosclerosis progression via its propensity for retention in the arterial intima, with deposition of its cholesterol load at sites of plaque formation. Equally, lipoprotein(a) may induce inflammation and calcification in the aortic leaflet valve interstitium, leading to calcific aortic valve stenosis. Experimental, epidemiological and genetic evidence support the contention that elevated concentrations of lipoprotein(a) are causally related to atherothrombotic risk and equally to calcific aortic valve stenosis. The plasma concentration of lipoprotein(a) is principally determined by genetic factors, is not influenced by dietary habits, remains essentially constant over the lifetime of a given individual and is the most powerful variable for prediction of lipoprotein(a)-associated cardiovascular risk. However, major interindividual variations (up to 1000-fold) are characteristic of lipoprotein(a) concentrations. In this context, lipoprotein(a) assays, although currently insufficiently standardized, are of considerable interest, not only in stratifying cardiovascular risk, but equally in the clinical follow-up of patients treated with novel lipid-lowering therapies targeted at lipoprotein(a) (e.g. antiapolipoprotein(a) antisense oligonucleotides and small interfering ribonucleic acids) that markedly reduce circulating lipoprotein(a) concentrations. We recommend that lipoprotein(a) be measured once in subjects at high cardiovascular risk with premature coronary heart disease, in familial hypercholesterolaemia, in those with a family history of coronary heart disease and in those with recurrent coronary heart disease despite lipid-lowering treatment. Because of its clinical relevance, the cost of lipoprotein(a) testing should be covered by social security and health authorities.
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Affiliation(s)
- Vincent Durlach
- Champagne-Ardenne University, UMR CNRS 7369 MEDyC & Cardio-Thoracic Department, Reims University Hospital, 51092 Reims, France
| | - Dominique Bonnefont-Rousselot
- Metabolic Biochemistry Department, Hôpital Pitié-Salpêtrière, AP-HP, 75013 Paris, France; Université de Paris, CNRS, INSERM, UTCBS, 75006 Paris, France
| | - Franck Boccara
- Sorbonne University, GRC n(o) 22, C(2)MV, INSERM UMR_S 938, Centre de Recherche Saint-Antoine, IHU ICAN, 75012 Paris, France; Service de Cardiologie, Hôpital Saint-Antoine, AP-HP, 75012 Paris, France
| | - Mathilde Varret
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Centre Hospitalier Universitaire Xavier Bichat, 75018 Paris, France; Université de Paris, 75018 Paris, France
| | - Mathilde Di-Filippo Charcosset
- Hospices Civils de Lyon, UF Dyslipidémies, 69677 Bron, France; Laboratoire CarMen, INSERM, INRA, INSA, Université Claude-Bernard Lyon 1, 69495 Pierre-Bénite, France
| | - Bertrand Cariou
- Université de Nantes, CHU Nantes, CNRS, INSERM, l'Institut du Thorax, 44000 Nantes, France
| | - René Valero
- Endocrinology Department, La Conception Hospital, AP-HM, Aix-Marseille University, INSERM, INRAE, C2VN, 13005 Marseille, France
| | - Sybil Charriere
- Hospices Civils de Lyon, INSERM U1060, Laboratoire CarMeN, Université Lyon 1, 69310 Pierre-Bénite, France
| | - Michel Farnier
- PEC2, EA 7460, University of Bourgogne Franche-Comté, 21079 Dijon, France; Department of Cardiology, CHU Dijon Bourgogne, 21000 Dijon, France
| | - Pierre E Morange
- Aix-Marseille University, INSERM, INRAE, C2VN, 13385 Marseille, France
| | - Olivier Meilhac
- INSERM, UMR 1188 DéTROI, Université de La Réunion, 97744 Saint-Denis de La Réunion, Reunion; CHU de La Réunion, CIC-EC 1410, 97448 Saint-Pierre, Reunion
| | - Gilles Lambert
- INSERM, UMR 1188 DéTROI, Université de La Réunion, 97744 Saint-Denis de La Réunion, Reunion; CHU de La Réunion, CIC-EC 1410, 97448 Saint-Pierre, Reunion
| | - Philippe Moulin
- Hospices Civils de Lyon, INSERM U1060, Laboratoire CarMeN, Université Lyon 1, 69310 Pierre-Bénite, France
| | - Philippe Gillery
- Laboratory of Biochemistry-Pharmacology-Toxicology, Reims University Hospital, University of Reims Champagne-Ardenne, UMR CNRS/URCA n(o) 7369, 51092 Reims, France
| | - Sophie Beliard-Lasserre
- Endocrinology Department, La Conception Hospital, AP-HM, Aix-Marseille University, INSERM, INRAE, C2VN, 13005 Marseille, France
| | - Eric Bruckert
- Service d'Endocrinologie-Métabolisme, Hôpital Pitié-Salpêtrière, AP-HP, 75013 Paris, France; IHU ICAN, Sorbonne University, 75013 Paris, France
| | - Alain Carrié
- Sorbonne University, UMR INSERM 1166, IHU ICAN, Laboratory of Endocrine and Oncological Biochemistry, Obesity and Dyslipidaemia Genetic Unit, Hôpital Pitié-Salpêtrière, AP-HP, 75013 Paris, France
| | - Jean Ferrières
- Department of Cardiology and INSERM UMR 1295, Rangueil University Hospital, TSA 50032, 31059 Toulouse, France
| | - Xavier Collet
- INSERM U1048, Institute of Metabolic and Cardiovascular Diseases, Rangueil University Hospital, BP 84225, 31432 Toulouse, France
| | - M John Chapman
- Sorbonne University, Hôpital Pitié-Salpêtrière and National Institute for Health and Medical Research (INSERM), 75013 Paris, France
| | - Eduardo Anglés-Cano
- Université de Paris, INSERM, Innovative Therapies in Haemostasis, 75006 Paris, France.
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Loh WJ, Chang X, Aw TC, Phua SK, Low AF, Chan MYY, Watts GF, Heng CK. Lipoprotein(a) as predictor of coronary artery disease and myocardial infarction in a multi-ethnic Asian population. Atherosclerosis 2021; 349:160-165. [PMID: 34887076 DOI: 10.1016/j.atherosclerosis.2021.11.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS The role of Lp(a) in multi-ethnic Asian populations with coronary artery disease (CAD) has not been well established. The aims of this study were (i) to investigate whether Lp(a) is a predictor of CAD, and (ii) amongst patients with CAD, to ascertain whether Lp(a) is a predictor of acute myocardial infarction (AMI) and severity of CAD. METHODS We compared three cardiovascular phenotypes from patients recruited at coronary angiography. CAD was defined as ≥50% coronary artery stenosis and subdivided into a group with AMI history (CAD+AMI+) and a group without (CAD+AMI-). Minimal CAD group (CAD-) was defined as normal or <30% coronary artery stenosis and no AMI. The severity of CAD was defined using the modified Gensini score. RESULTS We studied 2025 patients comprising 94.5% men and 61.4% of Chinese ethnicity. The median Lp(a) level was highest in CAD+AMI+, followed by CAD+AMI- and CAD- (26.2, 20.1, and 15.8 nmol/L respectively). Similarly, the frequency of patients with Lp(a) ≥120 nmol/L were in the same order (11.8%, 9.1% and 2.4%). Lp(a) levels were highest among Asian Indians, followed by Malays and Chinese patients (p < 0.001). Lp(a) levels and Lp(a) ≥120 nmol/L were significant predictors of CAD (Odds ratio (OR) = 1.12 per 10 nmol/L increment, p < 0.001, and OR = 5.41 p = 0.004 respectively). Among patients with CAD, higher Lp(a) levels were associated with increased AMI risk (OR = 1.02 per 10 nmol/L increment, p = 0.024). Lp(a) ≥120 nmol/L was positively associated with CAD severity (p = 0.020). CONCLUSIONS Plasma Lp(a) concentration is a positive predictor of CAD and AMI in a mostly male South East Asian population.
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Affiliation(s)
- Wann Jia Loh
- Department of Endocrinology, Changi General Hospital, 2 Simei Street 3, 529889, Singapore.
| | - Xuling Chang
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 12, 119228, Singapore; Khoo Teck Puat - National University Children's Medical Institute, National University Health System, 5 Lower Kent Ridge Road, 119074, Singapore
| | - Tar Choon Aw
- Department of Pathology, Changi General Hospital, 2 Simei Street 3, 529889, Singapore
| | - Soon Kieng Phua
- Department of Pathology, Changi General Hospital, 2 Simei Street 3, 529889, Singapore
| | - Adrian F Low
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore; National University Heart Centre, National University Health System, 119074, Singapore
| | - Mark Yan-Yee Chan
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore; National University Heart Centre, National University Health System, 119074, Singapore
| | - Gerald F Watts
- School of Medicine, University of Western Australia, 35 Stirling Hwy, Crawley, WA, 6009, Australia; Department of Cardiology, Royal Perth Hospital, Western Australia, Victoria Square, Perth, WA, 6000, Australia
| | - Chew-Kiat Heng
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 12, 119228, Singapore; Khoo Teck Puat - National University Children's Medical Institute, National University Health System, 5 Lower Kent Ridge Road, 119074, Singapore
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Banach M, Burchardt P, Chlebus K, Dobrowolski P, Dudek D, Dyrbuś K, Gąsior M, Jankowski P, Jóźwiak J, Kłosiewicz-Latoszek L, Kowalska I, Małecki M, Prejbisz A, Rakowski M, Rysz J, Solnica B, Sitkiewicz D, Sygitowicz G, Sypniewska G, Tomasik T, Windak A, Zozulińska-Ziółkiewicz D, Cybulska B. PoLA/CFPiP/PCS/PSLD/PSD/PSH guidelines on diagnosis and therapy of lipid disorders in Poland 2021. Arch Med Sci 2021; 17:1447-1547. [PMID: 34900032 PMCID: PMC8641518 DOI: 10.5114/aoms/141941] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 11/03/2021] [Indexed: 12/18/2022] Open
Abstract
In Poland there are still nearly 20 million individuals with hypercholesterolaemia, most of them are unaware of their condition; that is also why only ca. 5% of patients with familial hypercholesterolaemia have been diagnosed; that is why other rare cholesterol metabolism disorders are so rarely diagnosed in Poland. Let us hope that these guidelines, being an effect of work of experts representing 6 main scientific societies, as well as the network of PoLA lipid centers being a part of the EAS lipid centers, certification of lipidologists by PoLA, or the growing number of centers for rare diseases, with a network planned by the Ministry of Health, improvements in coordinated care for patients after myocardial infarction (KOS-Zawał), reimbursement of innovative agents, as well as introduction in Poland of an effective primary prevention program, will make improvement in relation to these unmet needs in diagnostics and treatment of lipid disorders possible.
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Affiliation(s)
- Maciej Banach
- Department of Preventive Cardiology and Lipidology, Medical University of Lodz, Lodz, Poland
- Cardiovascular Research Center, University of Zielona Gora, Zielona Gora, Poland
- Department of Cardiology and Congenital Diseases of Adults, Polish Mother’s Memorial Hospital Research Institute (PMMHRI) in Lodz, Lodz, Poland
| | - Paweł Burchardt
- Department of Hypertensiology, Angiology, and Internal Medicine, K. Marcinkowski Poznan University of Medical Science, Poznan, Poland
- Department of Cardiology, Cardiovascular Unit, J. Strus Hospital, Poznan, Poland
| | - Krzysztof Chlebus
- First Department and Chair of Cardiology, Medical University of Gdansk, Gdansk, Poland
| | - Piotr Dobrowolski
- Department of Hypertension, National Institute of Cardiology, Warsaw, Poland
| | - Dariusz Dudek
- Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland
| | - Krzysztof Dyrbuś
- 3 Department of Cardiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland; Silesian Center for Heart Diseases in Zabrze, Poland
| | - Mariusz Gąsior
- 3 Department of Cardiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland; Silesian Center for Heart Diseases in Zabrze, Poland
| | - Piotr Jankowski
- Department of Internal Medicine and Geriatric Cardiology, Centre of Postgraduate Medical Education, Warsaw, Poland
- Department of Cardiology and Arterial Hypertension, Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland
| | - Jacek Jóźwiak
- Department of Family Medicine and Public Health, Institute of Medical Sciences, Faculty of Medicine, University of Opole, Opole, Poland
| | | | - Irina Kowalska
- Department of Internal Medicine and Metabolic Diseases, Medical University of Bialystok, Bialystok, Poland
| | - Maciej Małecki
- Department and Chair of Metabolic Diseases, Jagiellonian University Medical College, Krakow, Poland
| | - Aleksander Prejbisz
- Department of Hypertension, National Institute of Cardiology, Warsaw, Poland
| | - Michał Rakowski
- Department of Molecular Biophysics, Institute of Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Jacek Rysz
- Chair of Nephrology, Arterial Hypertension, and Family Medicine, Medical University of Lodz, Lodz, Poland
| | - Bogdan Solnica
- Chair of Clinical Biochemistry, Jagiellonian University Medical College, Krakow, Poland
| | - Dariusz Sitkiewicz
- Department of Clinical Chemistry and Laboratory Diagnostics, Medical University of Warsaw, Warsaw, Poland
| | - Grażyna Sygitowicz
- Department of Clinical Chemistry and Laboratory Diagnostics, Medical University of Warsaw, Warsaw, Poland
| | - Grażyna Sypniewska
- Department of Laboratory Medicine, L. Rydygier Medical College in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Tomasz Tomasik
- Chair of Family Medicine, Jagiellonian University Medical College, Krakow, Poland
| | - Adam Windak
- Chair of Family Medicine, Jagiellonian University Medical College, Krakow, Poland
| | - Dorota Zozulińska-Ziółkiewicz
- Department and Chair of Internal Medicine and Diabetology, K. Marcinkowski Poznan University of Medical Sciences, Poznan, Poland
| | - Barbara Cybulska
- National Institute of Public Health NIH – National Research Institute, Warsaw, Poland
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Handhle A, Viljoen A, Wierzbicki AS. Elevated Lipoprotein(a): Background, Current Insights and Future Potential Therapies. Vasc Health Risk Manag 2021; 17:527-542. [PMID: 34526771 PMCID: PMC8436116 DOI: 10.2147/vhrm.s266244] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 08/13/2021] [Indexed: 12/13/2022] Open
Abstract
Lipoprotein(a) forms a subfraction of the lipid profile and is characterized by the addition of apolipprotein(a) (apo(a)) to apoB100 derived particles. Its levels are mostly genetically determined inversely related to the number of protein domain (kringle) repeats in apo(a). In epidemiological studies, it shows consistent association with cardiovascular disease (CVD) and most recently with extent of aortic stenosis. Issues with standardizing the measurement of Lp(a) are being resolved and consensus statements favor its measurement in patients at high risk of, or with family histories of CVD events. Major lipid-lowering therapies such as statin, fibrates, and ezetimibe have little effect on Lp(a) levels. Therapies such as niacin or cholesterol ester transfer protein (CETP) inhibitors lower Lp(a) as well as reducing other lipid-related risk factors but have failed to clearly reduce CVD events. Proprotein convertase subtilisin kexin-9 (PCSK9) inhibitors reduce cholesterol and Lp(a) as well as reducing CVD events. New antisense therapies specifically targeting apo(a) and hence Lp(a) have greater and more specific effects and will help clarify the extent to which intervention in Lp(a) levels will reduce CVD events.
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Affiliation(s)
- Ahmed Handhle
- Department of Metabolic Medicine/Chemical Pathology, Addenbrookes Hospital, Cambridge, UK
| | - Adie Viljoen
- Department of Metabolic Medicine/Chemical Pathology, North & East Hertfordshire Hospitals Trust, Lister Hospital, Hertfordshire, UK
| | - Anthony S Wierzbicki
- Department of Metabolic Medicine/Chemical Pathology, Guy's & St Thomas', Hospitals, London, SE1 7EH, UK
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Ruscica M, Sirtori CR, Corsini A, Watts GF, Sahebkar A. Lipoprotein(a): Knowns, unknowns and uncertainties. Pharmacol Res 2021; 173:105812. [PMID: 34450317 DOI: 10.1016/j.phrs.2021.105812] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/11/2021] [Accepted: 08/11/2021] [Indexed: 02/07/2023]
Abstract
Over the last 10 years, there have been advances on several aspects of lipoprotein(a) which are reviewed in the present article. Since the standard immunoassays for measuring lipoprotein(a) are not fully apo(a) isoform-insensitive, the application of an LC-MS/MS method for assaying molar concentrations of lipoprotein(a) has been advocated. Genome wide association, epidemiological, and clinical studies have established high lipoprotein(a) as a causal risk factor for atherosclerotic cardiovascular diseases (ASCVD). However, the relative importance of molar concentration, apo(a) isoform size or variants within the LPA gene is still controversial. Lipoprotein(a)-raising single nucleotide polymorphisms has not been shown to add on value in predicting ASCVD beyond lipoprotein(a) concentrations. Although hyperlipoproteinemia(a) represents an important confounder in the diagnosis of familial hypercholesterolemia (FH), it enhances the risk of ASCVD in these patients. Thus, identification of new cases of hyperlipoproteinemia(a) during cascade testing can increase the identification of high-risk individuals. However, it remains unclear whether FH itself increases lipoprotein(a). The ASCVD risk associated with lipoprotein(a) seems to follow a linear gradient across the distribution, regardless of racial subgroups and other risk factors. The inverse association with the risk of developing type 2 diabetes needs consideration as effective lipoprotein(a) lowering therapies are progressing towards the market. Considering that Mendelian randomization analyses have identified the degree of lipoprotein(a)-lowering that is required to achieve ASCVD benefit, the findings of the ongoing outcome trial with pelacarsen will clarify whether dramatically lowering lipoprotein(a) levels can reduce the risk of ASCVD.
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Affiliation(s)
- Massimiliano Ruscica
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Italy.
| | - Cesare R Sirtori
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Italy
| | - Alberto Corsini
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Italy; IRCCS MultiMedica, Sesto S. Giovanni, Milan, Italy
| | - Gerald F Watts
- School of Medicine, University of Western Australia, Perth, Australia; Lipid Disorders Clinic, Cardiometabolic Services, Department of Cardiology, Royal Perth Hospital, Australia
| | - Amirhossein Sahebkar
- School of Medicine, University of Western Australia, Perth, Australia; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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86
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Marco-Benedí V, Cenarro A, Laclaustra M, Larrea-Sebal A, Jarauta E, Lamiquiz-Moneo I, Calmarza P, Bea AM, Plana N, Pintó X, Martín C, Civeira F. Lipoprotein(a) in hereditary hypercholesterolemia: Influence of the genetic cause, defective gene and type of mutation. Atherosclerosis 2021; 349:211-218. [PMID: 34456049 DOI: 10.1016/j.atherosclerosis.2021.08.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/27/2021] [Accepted: 08/05/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND AIMS Lipoprotein(a) [Lp(a)] concentration in heterozygous familial hypercholesterolemia (heFH) is not well established. Whether the genetic defect responsible for heFH plays a role in Lp(a) concentration is unknown. We aimed to compare Lp(a) in controls from a healthy population, in genetically diagnosed heFH and mutation-negative hypercholesterolemia subjects, and to assess the influence on Lp(a) of the genetic defect responsible for heFH. METHODS We conducted a cross-sectional study, performed in a lipid clinic in Spain. We studied adults with suspected heFH and a genetic study of FH genes (LDLR, APOB, APOE and PCSK9) and controls from de Aragon Workers' Health Study. HeFH patients from the Dyslipidemia Registry of the Spanish Atherosclerosis Society (SEA) were used as validation cohort. RESULTS Adjusted geometric means (95% confidence interval) of Lp(a) in controls (n = 1059), heFH (n = 500), and mutation-negative subjects (n = 860) were 14.9 mg/dL (13.6, 16.4), 21.9 mg/dL (18.1, 25.6) and 37.4 mg/dL (33.3, 42.1), p < 0.001 in all comparisons. Among heFH subjects, APOB-dependent FH showed the highest Lp(a), 36.5 mg/dL (22.0, 60.8), followed by LDLR-dependent FH, 21.7 mg/dL (17.9, 26.4). These differences were also observed in heFH from the SEA cohort. The number of plasminogen-like kringle IV type-2 repeats of LPA, the hypercholesterolemia polygenic score or LDLc concentration did not explain these differences. In LDLR-dependent FH, Lp(a) levels were not different depending on the affected protein domain. CONCLUSIONS Lp(a) is elevated in mutation-negative subjects and in heFH. The concentration of Lp(a) in heFH varies in relation to the responsible gene. Higher Lp(a) in heFH is not explained by their higher LDLc.
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Affiliation(s)
- Victoria Marco-Benedí
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain; Department of Medicine, Psychiatry and Dermatology, Universidad de Zaragoza, Zaragoza, Spain
| | - Ana Cenarro
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain
| | - Martín Laclaustra
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain; Department of Medicine, Psychiatry and Dermatology, Universidad de Zaragoza, Zaragoza, Spain.
| | - Asier Larrea-Sebal
- Fundación Biofisika Bizkaia, Leioa, Spain; Biofisika Institute (UPV/EHU, CSIC), Leioa, Spain, Department of Biochemistry and Molecular Biology, Universidad del País Vasco UPV/EHU, Bilbao, Spain
| | - Estíbaliz Jarauta
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain; Department of Medicine, Psychiatry and Dermatology, Universidad de Zaragoza, Zaragoza, Spain
| | - Itziar Lamiquiz-Moneo
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain; Department of Medicine, Psychiatry and Dermatology, Universidad de Zaragoza, Zaragoza, Spain
| | - Pilar Calmarza
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain
| | - Ana M Bea
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain
| | - Núria Plana
- Unitat de Medicina Vascular i Metabolisme (UVASMET) Hospital Universitari Sant Joan, IISPV, CIBERDEM, Universitat Rovira i Virgili, Reus, Tarragona, Spain
| | - Xavier Pintó
- Unidad de Lípidos, Servicio de Medicina Interna, Hospital Universitario de Bellvitge-Idibell, Universidad de Barcelona, CiberObn, Barcelona, Spain
| | - César Martín
- Fundación Biofisika Bizkaia, Leioa, Spain; Biofisika Institute (UPV/EHU, CSIC), Leioa, Spain, Department of Biochemistry and Molecular Biology, Universidad del País Vasco UPV/EHU, Bilbao, Spain
| | - Fernando Civeira
- Hospital Universitario Miguel Servet, IIS Aragón, CIBERCV, Zaragoza, Spain; Department of Medicine, Psychiatry and Dermatology, Universidad de Zaragoza, Zaragoza, Spain.
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87
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Parthymos I, Kostapanos MS, Mikhailidis DP, Florentin M. Lipoprotein (a) as a treatment target for cardiovascular disease prevention and related therapeutic strategies: a critical overview. Eur J Prev Cardiol 2021; 29:739-755. [PMID: 34389859 DOI: 10.1093/eurjpc/zwab052] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/30/2020] [Accepted: 03/15/2021] [Indexed: 12/21/2022]
Abstract
Advances in several fields of cardiovascular (CV) medicine have produced new treatments (e.g. to treat dyslipidaemia) that have proven efficacy in terms of reducing deaths and providing a better quality of life. However, the burden of CV disease (CVD) remains high. Thus, there is a need to search for new treatment targets. Lipoprotein (a) [Lp(a)] has emerged as a potential novel target since there is evidence that it contributes to CVD events. In this narrative review, we present the current evidence of the potential causal relationship between Lp(a) and CVD and discuss the likely magnitude of Lp(a) lowering required to produce a clinical benefit. We also consider current and investigational treatments targeting Lp(a), along with the potential cost of these interventions.
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Affiliation(s)
- Ioannis Parthymos
- Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina 45110, Greece
| | - Michael S Kostapanos
- Department of General Medicine, Lipid Clinic, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London NW3 2QG, UK
| | - Matilda Florentin
- Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina 45110, Greece
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88
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Lee CK, Liao CW, Meng SW, Wu WK, Chiang JY, Wu MS. Lipids and Lipoproteins in Health and Disease: Focus on Targeting Atherosclerosis. Biomedicines 2021; 9:biomedicines9080985. [PMID: 34440189 PMCID: PMC8393881 DOI: 10.3390/biomedicines9080985] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/01/2021] [Accepted: 08/04/2021] [Indexed: 12/15/2022] Open
Abstract
Despite advances in pharmacotherapy, intervention devices and techniques, residual cardiovascular risks still cause a large burden on public health. Whilst most guidelines encourage achieving target levels of specific lipids and lipoproteins to reduce these risks, increasing evidence has shown that molecular modification of these lipoproteins also has a critical impact on their atherogenicity. Modification of low-density lipoprotein (LDL) by oxidation, glycation, peroxidation, apolipoprotein C-III adhesion, and the small dense subtype largely augment its atherogenicity. Post-translational modification by oxidation, carbamylation, glycation, and imbalance of molecular components can reduce the capacity of high-density lipoprotein (HDL) for reverse cholesterol transport. Elevated levels of triglycerides (TGs), apolipoprotein C-III and lipoprotein(a), and a decreased level of apolipoprotein A-I are closely associated with atherosclerotic cardiovascular disease. Pharmacotherapies aimed at reducing TGs, lipoprotein(a), and apolipoprotein C-III, and enhancing apolipoprotein A-1 are undergoing trials, and promising preliminary results have been reported. In this review, we aim to update the evidence on modifications of major lipid and lipoprotein components, including LDL, HDL, TG, apolipoprotein, and lipoprotein(a). We also discuss examples of translating findings from basic research to potential therapeutic targets for drug development.
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Affiliation(s)
- Chih-Kuo Lee
- College of Medicine, National Taiwan University, Taipei 100, Taiwan; (C.-K.L.); (C.-W.L.); (S.-W.M.); (W.-K.W.)
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu 300, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Che-Wei Liao
- College of Medicine, National Taiwan University, Taipei 100, Taiwan; (C.-K.L.); (C.-W.L.); (S.-W.M.); (W.-K.W.)
- Department of Internal Medicine, National Taiwan University Cancer Center, Taipei 106, Taiwan
| | - Shih-Wei Meng
- College of Medicine, National Taiwan University, Taipei 100, Taiwan; (C.-K.L.); (C.-W.L.); (S.-W.M.); (W.-K.W.)
- Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu 300, Taiwan
| | - Wei-Kai Wu
- College of Medicine, National Taiwan University, Taipei 100, Taiwan; (C.-K.L.); (C.-W.L.); (S.-W.M.); (W.-K.W.)
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 100, Taiwan
| | - Jiun-Yang Chiang
- College of Medicine, National Taiwan University, Taipei 100, Taiwan; (C.-K.L.); (C.-W.L.); (S.-W.M.); (W.-K.W.)
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
- Division of Cardiology, Department of Internal Medicine and Cardiovascular Center, National Taiwan University Hospital, Taipei 100, Taiwan
- Correspondence: (J.-Y.C.); (M.-S.W.)
| | - Ming-Shiang Wu
- College of Medicine, National Taiwan University, Taipei 100, Taiwan; (C.-K.L.); (C.-W.L.); (S.-W.M.); (W.-K.W.)
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 100, Taiwan
- Correspondence: (J.-Y.C.); (M.-S.W.)
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89
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Littmann K, Hagström E, Häbel H, Bottai M, Eriksson M, Parini P, Brinck J. Plasma lipoprotein(a) measured in the routine clinical care is associated to atherosclerotic cardiovascular disease during a 14-year follow-up. Eur J Prev Cardiol 2021; 28:2038-2047. [PMID: 34343284 DOI: 10.1093/eurjpc/zwab016] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/13/2020] [Accepted: 01/20/2021] [Indexed: 01/22/2023]
Abstract
AIMS To investigate plasma lipoprotein(a) [Lp(a)] levels measured in routine clinical care and their association with mortality and cardiovascular disease. METHODS AND RESULTS This retrospective registry-based observational cohort study includes all individuals with plasma Lp(a) results measured at the Karolinska University Laboratory 2003-17. Outcome data were captured in national outcome registries. Levels of Lp(a) expressed in mass or molar units were examined separately. In adjusted Cox regression models, association between deciles of plasma Lp(a) concentrations, mortality, and cardiovascular outcomes were assessed. A total of 23 398 individuals [52% females, mean (standard deviation) age 55.5 (17.2) years, median Lp(a) levels 17 mg/dL or 19.5 nmol/L] were included. Individuals with an Lp(a) level >90th decile (>90 mg/dL or >180 nmol/L) had hazard ratios (95% confidence interval) of 1.25 (1.05-1.50) for major adverse cardiovascular events (P = 0.013), 1.37 (1.14-1.64) for atherosclerotic cardiovascular disease (P = 0.001), and 1.62 (1.28-2.05) for coronary artery disease (P ≤ 0.001), compared to individuals with Lp(a) ≤50th decile. No association between Lp(a) and mortality, peripheral artery disease, or ischaemic stroke was observed. CONCLUSION High Lp(a) levels are associated with adverse cardiovascular disease outcomes also in individuals with Lp(a) measured in routine clinical care. This supports the 2019 ESC/EAS recommendation to measure Lp(a) at least once during lifetime to assess cardiovascular risk and implies the need for intensive preventive therapy in patients with elevated Lp(a).
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Affiliation(s)
- Karin Littmann
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.,Clinical Chemistry, Karolinska University Laboratory, Karolinska University Hospital, Stockholm, Sweden.,Department of Medicine Huddinge, Karolinska Institutet, H7 Medicine Huddinge, 171 77 Stockholm, Sweden.,Medical Unit of Endocrinology, Theme Inflammation and Infection, Karolinska University Hospital, Stockholm, Sweden
| | - Emil Hagström
- Department of Medical Sciences, Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden
| | - Henrike Häbel
- Division of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Matteo Bottai
- Division of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Mats Eriksson
- Department of Medicine Huddinge, Karolinska Institutet, H7 Medicine Huddinge, 171 77 Stockholm, Sweden.,Medical Unit of Endocrinology, Theme Inflammation and Infection, Karolinska University Hospital, Stockholm, Sweden
| | - Paolo Parini
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.,Department of Medicine Huddinge, Karolinska Institutet, H7 Medicine Huddinge, 171 77 Stockholm, Sweden.,Medical Unit of Endocrinology, Theme Inflammation and Infection, Karolinska University Hospital, Stockholm, Sweden
| | - Jonas Brinck
- Department of Medicine Huddinge, Karolinska Institutet, H7 Medicine Huddinge, 171 77 Stockholm, Sweden.,Medical Unit of Endocrinology, Theme Inflammation and Infection, Karolinska University Hospital, Stockholm, Sweden
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90
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Iannuzzo G, Tripaldella M, Mallardo V, Morgillo M, Vitelli N, Iannuzzi A, Aliberti E, Giallauria F, Tramontano A, Carluccio R, Calcaterra I, Di Minno MND, Gentile M. Lipoprotein(a) Where Do We Stand? From the Physiopathology to Innovative Terapy. Biomedicines 2021; 9:838. [PMID: 34356902 PMCID: PMC8301358 DOI: 10.3390/biomedicines9070838] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/02/2021] [Accepted: 07/09/2021] [Indexed: 12/24/2022] Open
Abstract
A number of epidemiologic studies have demonstrated a strong association between increasing lipoprotein a [Lp(a)] and cardiovascular disease. This correlation was demonstrated independent of other known cardiovascular (CV) risk factors. Screening for Lp(a) in the general population is not recommended, although Lp(a) levels are predominantly genetically determined so a single assessment is needed to identify patients at risk. In 2019 ESC/EAS guidelines recommend Lp(a) measurement at least once a lifetime, fo subjects at very high and high CV risk and those with a family history of premature cardiovascular disease, to reclassify patients with borderline risk. As concerning medications, statins play a key role in lipid lowering therapy, but present poor efficacy on Lp(a) levels. Actually, treatment options for elevated serum levels of Lp(a) are very limited. Apheresis is the most effective and well tolerated treatment in patients with high levels of Lp(a). However, promising new therapies, in particular antisense oligonucleotides have showed to be able to significantly reduce Lp(a) in phase II RCT. This review provides an overview of the biology and epidemiology of Lp(a), with a view to future therapies.
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Affiliation(s)
- Gabriella Iannuzzo
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
| | - Maria Tripaldella
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
| | - Vania Mallardo
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
| | - Mena Morgillo
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
| | - Nicoletta Vitelli
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
| | - Arcangelo Iannuzzi
- Department of Medicine and Medical Specialties, A. Cardarelli Hospital, 80131 Naples, Italy;
| | - Emilio Aliberti
- North Tees University Hospital Stockton-on-Tees, Stockton TS19 8PE, UK;
| | - Francesco Giallauria
- Department of Translational Medical Sciences, “Federico II” University of Naples, Via S. Pansini 5, 80131 Naples, Italy; (F.G.); (A.T.); (R.C.)
| | - Anna Tramontano
- Department of Translational Medical Sciences, “Federico II” University of Naples, Via S. Pansini 5, 80131 Naples, Italy; (F.G.); (A.T.); (R.C.)
| | - Raffaele Carluccio
- Department of Translational Medical Sciences, “Federico II” University of Naples, Via S. Pansini 5, 80131 Naples, Italy; (F.G.); (A.T.); (R.C.)
| | - Ilenia Calcaterra
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
| | - Matteo Nicola Dario Di Minno
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
| | - Marco Gentile
- Department of Clinical Medicine and Surgery, “Federico II” University, 80131 Naples, Italy; (M.T.); (V.M.); (M.M.); (N.V.); (I.C.); (M.N.D.D.M.); (M.G.)
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Rhainds D, Brodeur MR, Tardif JC. Lipoprotein (a): When to Measure and How to Treat? Curr Atheroscler Rep 2021; 23:51. [PMID: 34235598 DOI: 10.1007/s11883-021-00951-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2021] [Indexed: 12/11/2022]
Abstract
PURPOSE OF REVIEW The purpose of this article is to review current evidence for lipoprotein (a) (Lp(a)) as a risk factor for multiple cardiovascular (CV) disease phenotypes, provide a rationale for Lp(a) lowering to reduce CV risk, identify therapies that lower Lp(a) levels that are available clinically and under investigation, and discuss future directions. RECENT FINDINGS Mendelian randomization and epidemiological studies have shown that elevated Lp(a) is an independent and causal risk factor for atherosclerosis and major CV events. Lp(a) is also associated with non-atherosclerotic endpoints such as venous thromboembolism and calcific aortic valve disease. It contributes to residual CV risk in patients receiving standard-of-care LDL-lowering therapy. Plasma Lp(a) levels present a skewed distribution towards higher values and vary widely between individuals and according to ethnic background due to genetic variants in the LPA gene, but remain relatively constant throughout a person's life. Thus, elevated Lp(a) (≥50 mg/dL) is a prevalent condition affecting >20% of the population but is still underdiagnosed. Treatment guidelines have begun to advocate measurement of Lp(a) to identify patients with very high levels that have a family history of premature CVD or elevated Lp(a). Lipoprotein apheresis (LA) efficiently lowers Lp(a) and was recently associated with a reduction of incident CV events. Statins have neutral or detrimental effects on Lp(a), while PCSK9 inhibitors significantly reduce its level by up to 30%. Specific lowering of Lp(a) with antisense oligonucleotides (ASO) shows good safety and strong efficacy with up to 90% reductions. The ongoing CV outcomes study Lp(a)HORIZON will provide a first answer as to whether selective Lp(a) lowering with ASO reduces the risk of major CV events. Given the recently established association between Lp(a) level and CV risk, guidelines now recommend Lp(a) measurement in specific clinical conditions. Accordingly, Lp(a) is a current target for drug development to reduce CV risk in patients with elevated levels, and lowering Lp(a) with ASO represents a promising avenue.
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Affiliation(s)
- David Rhainds
- Montreal Heart Institute Research Center, 5000 Belanger Street, Montréal, Canada
| | - Mathieu R Brodeur
- Montreal Heart Institute Research Center, 5000 Belanger Street, Montréal, Canada
| | - Jean-Claude Tardif
- Montreal Heart Institute Research Center, 5000 Belanger Street, Montréal, Canada. .,Faculty of Medicine, Université de Montréal, Montréal, Canada.
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92
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Kamstrup PR. Lipoprotein(a) and Cardiovascular Disease. Clin Chem 2021; 67:154-166. [PMID: 33236085 DOI: 10.1093/clinchem/hvaa247] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 09/25/2020] [Indexed: 01/07/2023]
Abstract
BACKGROUND High lipoprotein(a) concentrations present in 10%-20% of the population have long been linked to increased risk of ischemic cardiovascular disease. It is unclear whether high concentrations represent an unmet medical need. Lipoprotein(a) is currently not a target for treatment to prevent cardiovascular disease. CONTENT The present review summarizes evidence of causality for high lipoprotein(a) concentrations gained from large genetic epidemiologic studies and discusses measurements of lipoprotein(a) and future treatment options for high values found in an estimated >1 billion individuals worldwide. SUMMARY Evidence from mechanistic, observational, and genetic studies support a causal role of lipoprotein(a) in the development of cardiovascular disease, including coronary heart disease and peripheral arterial disease, as well as aortic valve stenosis, and likely also ischemic stroke. Effect sizes are most pronounced for myocardial infarction, peripheral arterial disease, and aortic valve stenosis where high lipoprotein(a) concentrations predict 2- to 3-fold increases in risk. Lipoprotein(a) measurements should be performed using well-validated assays with traceability to a recognized calibrator to ensure common cut-offs for high concentrations and risk assessment. Randomized cardiovascular outcome trials are needed to provide final evidence of causality and to assess the potential clinical benefit of novel, potent lipoprotein(a) lowering therapies.
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Affiliation(s)
- Pia R Kamstrup
- Department of Clinical Biochemistry.,The Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Denmark
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Nicholls SJ, Bubb KJ. The Riskier Lipid: What Is on the HORIZON for Lipoprotein (a) and Should There Be Lp(a) Screening for All? Curr Cardiol Rep 2021; 23:97. [PMID: 34196823 DOI: 10.1007/s11886-021-01528-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/14/2021] [Indexed: 12/24/2022]
Abstract
PURPOSE OF REVIEW Despite widespread targeting of cardiovascular risk factors, many patients continue to experience clinical events. This residual risk has stimulated efforts to develop novel therapeutic approaches to target additional factors underscoring cardiovascular disease. This review aimed to summarize existing evidence supporting targeting of Lp(a) as a novel cardioprotective strategy. RECENT FINDINGS Increasing evidence has implicated lipoprotein (a) [Lp(a)] in the pathogenesis of both atherosclerotic and calcific aortic valve disease. Therapeutic advances have produced novel agents that selectively lower Lp(a) levels, which have now progressed to evaluate their impact on cardiovascular events in large clinical outcome trials. Evidence continues to accumulate suggesting that targeting Lp(a) may be effective in reducing cardiovascular risk. With advances in Lp(a) targeted therapeutics, clinical trials now have the opportunity to determine whether this strategy will be effective for high-risk patients.
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Affiliation(s)
- Stephen J Nicholls
- Monash Cardiovascular Research Centre, Victorian Heart Institute, Monash University, 246 Clayton Road, Clayton, VIC, 3168, Australia.
| | - Kristen J Bubb
- Biomedical Discovery Institute, Monash University, Melbourne, Australia
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94
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Arnold M, Schweizer J, Nakas CT, Schütz V, Westphal LP, Inauen C, Pokorny T, Luft A, Leichtle A, Arnold M, Bicvic A, Fischer U, De Marchis GM, Bonati LH, Müller MD, Kahles T, Nedeltchev K, Cereda CW, Kägi G, Bustamante A, Montaner J, Ntaios G, Foerch C, Spanaus K, von Eckardstein A, Katan M. Lipoprotein(a) is associated with large artery atherosclerosis stroke aetiology and stroke recurrence among patients below the age of 60 years: results from the BIOSIGNAL study. Eur Heart J 2021; 42:2186-2196. [PMID: 33709115 DOI: 10.1093/eurheartj/ehab081] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/02/2020] [Accepted: 01/28/2021] [Indexed: 12/24/2022] Open
Abstract
AIMS Lipoprotein(a) [Lp(a)] is a recognized causal risk factor for atherosclerotic cardiovascular disease but its role for acute ischaemic stroke (AIS) is controversial. In this study, we evaluated the association of Lp(a) with large artery atherosclerosis (LAA) stroke and risk of recurrent cerebrovascular events in AIS patients. METHODS AND RESULTS For this analysis of the prospective, observational, multicentre BIOSIGNAL cohort study we measured Lp(a) levels in plasma samples of 1733 primarily Caucasian (98.6%) AIS patients, collected within 24 h after symptom onset. Primary outcomes were LAA stroke aetiology and recurrent cerebrovascular events (ischaemic stroke or transient ischaemic attack) within 1 year. We showed that Lp(a) levels are independently associated with LAA stroke aetiology [adjusted odds ratio 1.48, 95% confidence interval (CI) 1.14-1.90, per unit log10Lp(a) increase] and identified age as a potent effect modifier (Pinteraction =0.031) of this association. The adjusted odds ratio for LAA stroke in patients aged <60 years was 3.64 (95% CI 1.76-7.52) per unit log10Lp(a) increase and 4.04 (95% CI 1.73-9.43) using the established cut-off ≥100 nmol/l. For 152 recurrent cerebrovascular events, we did not find a significant association in the whole cohort. However, Lp(a) levels ≥100 nmol/l were associated with an increased risk for recurrent events among patients who were either <60 years [adjusted hazard ratio (HR) 2.40, 95% CI 1.05-5.47], had evident LAA stroke aetiology (adjusted HR 2.18, 95% CI 1.08-4.40), or had no known atrial fibrillation (adjusted HR 1.60, 95% CI 1.03-2.48). CONCLUSION Elevated Lp(a) was independently associated with LAA stroke aetiology and risk of recurrent cerebrovascular events among primarily Caucasian individuals aged <60 years or with evident arteriosclerotic disease.
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Affiliation(s)
- Markus Arnold
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Juliane Schweizer
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Christos T Nakas
- Department of Clinical Chemistry, Inselspital, University Hospital and University of Bern, Bern, Switzerland.,Laboratory of Biometry, University of Thessaly, Volos, Greece
| | - Valerie Schütz
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Laura P Westphal
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Corinne Inauen
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Thomas Pokorny
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Andreas Luft
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Alexander Leichtle
- Department of Clinical Chemistry, Inselspital, University Hospital and University of Bern, Bern, Switzerland
| | - Marcel Arnold
- Department for Neurology, Inselspital, University Hospital and University of Bern, Bern, Switzerland
| | - Antonela Bicvic
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland.,Department for Neurology, Inselspital, University Hospital and University of Bern, Bern, Switzerland
| | - Urs Fischer
- Department for Neurology, Inselspital, University Hospital and University of Bern, Bern, Switzerland
| | - Gian Marco De Marchis
- Department for Neurology & Stroke Center, University Hospital of Basel & University of Basel, Basel, Switzerland
| | - Leo H Bonati
- Department for Neurology & Stroke Center, University Hospital of Basel & University of Basel, Basel, Switzerland
| | - Mandy D Müller
- Department for Neurology & Stroke Center, University Hospital of Basel & University of Basel, Basel, Switzerland
| | - Timo Kahles
- Department of Neurology, Cantonal Hospital Aarau, Switzerland
| | | | - Carlo W Cereda
- Neurocentro della Svizzera Italiana, Stroke Center EOC, Lugano, Switzerland
| | - Georg Kägi
- Department of Neurology, Cantonal Hospital St, Gallen, Switzerland
| | - Alejandro Bustamante
- Department for Neurology, Vall d'Hebron Institute of Research (VHIR), Universitat Autónoma de Barcelona, Spain
| | - Joan Montaner
- Department for Neurology, Vall d'Hebron Institute of Research (VHIR), Universitat Autónoma de Barcelona, Spain
| | - George Ntaios
- Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Christian Foerch
- Department of Neurology, University Hospital of Frankfurt, Frankfurt am Main, Germany
| | - Katharina Spanaus
- Institute of Clinical Chemistry, University Hospital Zurich, Zurich, Switzerland
| | | | - Mira Katan
- Department for Neurology, University Hospital Zurich, Zurich, Switzerland
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95
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Liu HH, Cao YX, Jin JL, Hua Q, Li YF, Guo YL, Zhu CG, Wu NQ, Dong Q, Li JJ. Lipoprotein (a), hypertension, and cardiovascular outcomes: a prospective study of patients with stable coronary artery disease. Hypertens Res 2021; 44:1158-1167. [PMID: 34035483 DOI: 10.1038/s41440-021-00668-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 04/04/2021] [Indexed: 12/18/2022]
Abstract
Although emerging data suggest that circulating lipoprotein (a) [Lp (a)] could predict cardiovascular events (CVEs) in patients with cardiovascular disease, no study is currently available regarding the prognostic linkage of Lp (a) and hypertension in patients with coronary artery disease (CAD). This study sought to evaluate the association of Lp (a), hypertension and cardiovascular outcomes in patients with stable CAD. A total of 8668 patients with stable CAD were consecutively enrolled. Baseline Lp (a) concentrations were measured. All subjects were categorized according to Lp (a) levels of <10 (low), 10-30 (medium) and ≥30 mg/dL (high) and were further stratified by hypertension status. They were regularly followed-up for the occurrence of cardiovascular death, nonfatal myocardial infarction, and stroke. Over an average of 54.81 ± 18.60 months of follow-up, 584 (6.7%) CVEs occurred. Kaplan-Meier and multivariate Cox regression analyses showed that elevated Lp (a) levels had a significant association with CVEs in hypertensive patients, regardless of the control status of blood pressure, but not in normotensive subjects. Moreover, when analyzed by subgroups according to both Lp (a) category and hypertension status, the risk of CVEs was only significantly elevated in the high Lp (a) plus hypertension group compared with the reference group with low Lp (a) levels and normotension (hazard ratio: 1.80, 95% confidence interval: 1.11-2.91). Elevated Lp (a) was associated with an increased risk of CVEs in stable CAD patients with hypertension. Moreover, the coexistence of high Lp (a) concentrations and hypertension greatly worsened the clinical prognosis in patients with CAD, which may suggest a prognostic correlation between Lp (a) and hypertension.
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Affiliation(s)
- Hui-Hui Liu
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ye-Xuan Cao
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jing-Lu Jin
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qi Hua
- Department of Cardiology, XuanWu Hospital, Capital Medical University, Beijing, China
| | - Yan-Fang Li
- Department of Cardiology, Beijing AnZhen Hospital, Capital Medical University, Beijing, China
| | - Yuan-Lin Guo
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Cheng-Gang Zhu
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Na-Qiong Wu
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qian Dong
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jian-Jun Li
- State Key Laboratory of Cardiovascular Disease, FuWai Hospital, National Center for Cardiovascular Diseases, National Clinical Research Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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96
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Eraikhuemen N, Lazaridis D, Dutton MT. Emerging Pharmacotherapy to Reduce Elevated Lipoprotein(a) Plasma Levels. Am J Cardiovasc Drugs 2021; 21:255-265. [PMID: 32929693 PMCID: PMC8697690 DOI: 10.1007/s40256-020-00437-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Lipoprotein(a) is a unique form of low-density lipoprotein. It is associated with a high incidence of premature atherosclerotic disease such as coronary artery disease, myocardial infarction, and stroke. Plasma levels of this lipoprotein and its activities are highly variable. This is because of a wide variability in the size of the apolipoprotein A moiety, which is determined by the number of repeats of cysteine-rich domains known as "kringles." Although the exact mechanism of lipoprotein(a)-induced atherogenicity is unknown, the lipoprotein has been found in the arterial walls of atherosclerotic plaques. It has been implicated in the formation of foam cells and lipid deposition in these plaques. Pharmacologic management of elevated levels of lipoprotein(a) with statins, fibrates, or bile acid sequestrants is ineffective. The newer and emerging lipid-lowering agents, such as the second-generation antisense oligonucleotides, cholesteryl ester transfer protein inhibitors, and proprotein convertase subtilisin/kexin type 9 inhibitors offer the most effective pharmacologic therapy.
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Affiliation(s)
- Nathaniel Eraikhuemen
- College of Pharmacy and Pharmaceutical Sciences, Institute of Public Health, Florida A&M University, Davie, FL, 33324, USA
| | - Dovena Lazaridis
- Memorial Regional Hospital-Department of Pharmacy, 3501 Johnson Street, Hollywood, FL, 32301, USA.
| | - Matthew T Dutton
- College of Pharmacy and Pharmaceutical Sciences, Institute of Public Health, Florida A&M University, Tallahassee, FL, USA
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97
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Page MM, Watts GF. Contemporary perspectives on the genetics and clinical use of lipoprotein(a) in preventive cardiology. Curr Opin Cardiol 2021; 36:272-280. [PMID: 33741767 DOI: 10.1097/hco.0000000000000842] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW The pathogenicity of lipoprotein(a) [Lp(a)] as a risk factor for atherosclerotic cardiovascular disease (ASCVD) is well evidenced and recognized by international consensus-based guidelines. However, the measurement of Lp(a) is not routine clinical practice. Therapeutic agents targeting Lp(a) are now progressing through randomised clinical trials, and it is timely for clinicians to familiarize themselves with this complex and enigmatic lipoprotein particle. RECENT FINDINGS Recent developments in the understanding of genetic influences on the structure, plasma concentration and atherogenicity of Lp(a) have contextualized its clinical relevance. Mendelian randomization studies have enabled estimation of the contribution of Lp(a) to ASCVD risk. Genotyping individual patients with respect to Lp(a)-raising single nucleotide polymorphisms predicts ASCVD, but has not yet been shown to add value beyond the measurement of Lp(a) plasma concentrations, which should be done by Lp(a) isoform-independent assays capable of reporting in molar concentrations. Contemporary gene-silencing technology underpins small interfering RNA and antisense oligonucleotides, which are emerging as the leading Lp(a)-lowering therapeutic agents. The degree of Lp(a)-lowering required to achieve meaningful reductions in ASCVD risk has been estimated by Mendelian randomization, providing conceptual support. SUMMARY Measurement of Lp(a) in the clinical setting contributes to the assessment of ASCVD risk, and will become more important with the advent of specific Lp(a)-lowering therapies. Knowledge of an individual patient's genetic predisposition to increased Lp(a) appears to impart little or not additional clinical value beyond Lp(a) particle concentration.
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Affiliation(s)
- Michael M Page
- School of Medicine, University of Western Australia, Crawley
- Western Diagnostic Pathology
| | - Gerald F Watts
- School of Medicine, University of Western Australia, Crawley
- Lipid Disorders Clinic, Cardiovascular Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
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98
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Puato M, Zambon A, Nardin C, Faggin E, Pesavento R, Spinazzè A, Pauletto P, Rattazzi M. Lipid Profile and Vascular Remodelling in Young Dyslipidemic Subjects Treated with Nutraceuticals Derived from Red Yeast Rice. Cardiovasc Ther 2021; 2021:5546800. [PMID: 33976708 PMCID: PMC8087481 DOI: 10.1155/2021/5546800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/06/2021] [Accepted: 04/08/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND AND AIMS A relevant role is emerging for functional foods in cardiovascular prevention. The aim of this study was to assess the effect of a nutraceutical multitargeted approach on lipid profile and inflammatory markers along with vascular remodelling in a cohort of dyslipidemic subjects without history of cardiovascular (CV) disease. METHODS AND RESULTS We enrolled 25 subjects (mean age 48.2 years) with low to moderate CV risk profile and total cholesterol (TC) levels between 150 and 250 mg/dl. The patients were assigned to receive for one year a tablet/die of a nutraceutical combination containing red yeast rice (RYR) extract (Monacolin 3 mg/tablet) and coenzyme Q10 (30 mg/tablet). Treatment with the nutraceutical compounds led to a significant reduction of TC (from 227 to 201 mg/dl, p < 0.001), LDL-c (from 150 to 130 mg/dl, p = 0.001), triglycerides (from 121 to 109 mg/dl, p = 0.013), non-HDL-cholesterol (from 168 to 141 mg/dl, p < 0.001), hs-CRP (from 1.74 to 1.20 mg/l, p = 0.015), and osteoprotegerin (from 1488 to 1328 pg/ml, p = 0.045). Levels of HDL-c, Lp(a), glucose, liver enzyme, CPK, or creatinine did not change over time. An ultrasound study was performed to assess changes in mean carotid intima-media thickness (IMT) and maximum IMT (M-MAX) as well as modification in local carotid stiffness by means of determining the carotid compliance coefficient (CC) and distensibility coefficient (DC). At the end of the treatment, we observed small but significant reductions in both mean-IMT (from 0.62 to 0.57 mm, p = 0.022) and M-MAX (from 0.79 to 0.73 mm, p = 0.002), and an improvement in carotid elasticity (DC from 22.4 to 24.3 × 10-3/kPa, p = 0.006 and CC from 0.77 to 0.85 mm2/kPa, p = 0.019). CONCLUSIONS A long-term treatment with a combination of RYR and coenzyme Q10 showed lipid-lowering activity along with a reduction of inflammatory mediators and an improvement of vascular properties in young subjects with a low-to-moderate CV risk profile.
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Affiliation(s)
| | - Alberto Zambon
- Department of Medicine (DIMED), University of Padova, Italy
| | - Chiara Nardin
- Department of Medicine (DIMED), University of Padova, Italy
- Medicina Generale I^, Ca' Foncello Hospital, Treviso, Italy
| | | | | | - Alice Spinazzè
- Department of Medicine (DIMED), University of Padova, Italy
| | - Paolo Pauletto
- ORAS Rehabilitation Hospital, Motta di Livenza, Treviso, Italy
| | - Marcello Rattazzi
- Department of Medicine (DIMED), University of Padova, Italy
- Medicina Generale I^, Ca' Foncello Hospital, Treviso, Italy
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99
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Wong ND, Zhao Y, Sung J, Browne A. Relation of First and Total Recurrent Atherosclerotic Cardiovascular Disease Events to Increased Lipoprotein(a) Levels Among Statin Treated Adults With Cardiovascular Disease. Am J Cardiol 2021; 145:12-17. [PMID: 33454339 PMCID: PMC8005472 DOI: 10.1016/j.amjcard.2020.12.075] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 12/23/2020] [Accepted: 12/31/2020] [Indexed: 02/08/2023]
Abstract
The relation between elevated lipoprotein(a) and total atherosclerotic cardiovascular disease (ASCVD) residual risk in persons with known cardiovascular disease on statin therapy is not well-established. We examined first and total recurrent ASCVD event risk in statin-treated adults with prior ASCVD. We studied 3,359 adults (mean age 63.6 years, 85.1% male) with prior ASCVD on statin therapy from the AIM-HIGH clinical trial cohort. The first and total ASCVD event rates were calculated by lipoprotein(a) [Lp(a)] categories. Cox regression and Prentice, Williams and Peterson (PWP) models provided hazard ratios (HRs) for ASCVD events over a mean follow-up of 3.3 years, adjusted for age, gender, trial treatment, LDL-C, and other risk factors. A total of 747 events occurred during follow-up, among which 544 were first events. First and total ASCVD event rates were greater with higher Lp(a) levels. Compared with Lp(a)<15 mg/dL, HRs (95% CIs) for subsequent total ASCVD events among Lp(a) levels of 15-<30, 30-<50, 50-<70, and ≥70 mg/dL were 1.04 (0.82 to 1.32), 1.15 (0.88 to 1.49), 1.27 (1.00 to 1.63) and 1.51 (1.25 to 1.84). Moreover, a continuous relation for total events was observed (HR=1.08 [1.04 to 1.12] per 20 mg/dL greater Lp(a). Findings for first ASCVD events and in those with LDL-C ≥70 mg/dL versus <70 mg/dL and with and without diabetes were similar. The risk of first and total ASCVD events is increased with Lp(a) levels of ≥70 mg/dL and ≥50 mg/dL, respectively, among adults with known CVD on statin therapy.
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Affiliation(s)
- Nathan D Wong
- Heart Disease Prevention Program, Division of Cardiology, University of California Irvine, Irvine, California; Department of Epidemiology, University of California Los Angeles, Los Angeles, California.
| | - Yanglu Zhao
- Heart Disease Prevention Program, Division of Cardiology, University of California Irvine, Irvine, California; Department of Epidemiology, University of California Los Angeles, Los Angeles, California
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100
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Mullan B, Chan D, Charlesworth J, Moullin J, Schultz C, Watts GF. Novel behavioural approaches and implementation science for mitigating genetic risk of cardiovascular disease due to elevated lipoprotein(a). Curr Opin Endocrinol Diabetes Obes 2021; 28:174-180. [PMID: 33395090 DOI: 10.1097/med.0000000000000609] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
PURPOSE OF REVIEW Elevated lipoprotein(a) [Lp(a)] is a genetic trait that indicates higher risk of atherosclerotic cardiovascular disease (ASCVD). We review novel strategies to mitigate behavioural risk-factors in this genetic condition. RECENT FINDINGS Pharmacological and biological interventions are available for lowering Lp(a). However, the acceptability and feasibility of these approaches are questionable due to cost and lack of clinical evidence for their efficacy. A number of low-cost, minimal patient contact interventions are available for modifying behavioural risk-factors that are associated with increased risk of ASCVD familial hypercholesterolaemia and diabetes. These include lifestyle interventions designed to improve diet and physical activity. These interventions may be particularly important among individuals with elevated Lp(a) to manage their higher risk of diabetes and ASCVD. The following article outlines recent research that has examined such low-cost, minimal patient contact interventions. SUMMARY The current research indicated that such interventions, which are grounded in psychological theory, can assist individuals to improve their diet and physical activity. These findings have implications for developing and implementing similar interventions for individuals with elevated Lp(a), so as to assist in reducing behavioural risk-factors associated with ASCVD.
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Affiliation(s)
- Barbara Mullan
- Faculty of Health Sciences, School of Psychology, Curtin University, Bentley
| | - Dick Chan
- Faculty of Health and Medical Sciences, School of Medicine, University of Western Australia, Perth
| | | | - Joanna Moullin
- Faculty of Health Sciences, School of Pharmacy and Biomedical Sciences, Curtin University, Bentley
| | - Carl Schultz
- Faculty of Health and Medical Sciences, School of Medicine, University of Western Australia, Perth
- Department of Cardiology
| | - Gerald F Watts
- Faculty of Health and Medical Sciences, School of Medicine, University of Western Australia, Perth
- Department of Cardiology, Lipid Disorders Clinic, Cardiometabolic Services, Royal Perth Hospital, Perth, Western Australia, Australia
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