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1.
An updated systematic review and meta-analysis of the effect of statins on asymmetric dimethylarginine.
Zinellu, A, Mangoni, AA
Nitric oxide : biology and chemistry. 2022;:26-37
Abstract
OBJECTIVES We conducted an updated systematic review and meta-analysis of the effect of statins on serum or plasma concentrations of the endogenous inhibitor of endothelial nitric oxide synthase, asymmetric NG,NG-dimethyl-l-arginine (ADMA). METHODS A systematic literature search was conducted in the electronic databases PubMed, Web of Science, and Scopus, from inception to July 2021. Risk of bias and certainty of evidence were assessed using the Joanna Briggs Institute Critical Appraisal Checklist for analytical studies and GRADE, respectively. RESULTS In 23 studies, reporting 25 treatment arms in 845 participants (mean age 53 years, 57% males, treatment duration 4-48 weeks), statins significantly reduced ADMA concentrations (SMD = -0.39, 95% CI -0.62 to -0.16, p = 0.001; moderate certainty of evidence). The extreme heterogeneity observed was substantially reduced in study subgroups of specific class and individual statins, regional areas, and analytical methods for ADMA concentrations. There was no publication bias. In sensitivity analysis, the corresponding SMD values were not substantially modified when individual studies were sequentially removed. Significant associations were observed, in meta-regression, between the SMD and publication year (t = -3.25, p = 0.003), but not baseline cholesterol concentrations. CONCLUSION Statin treatment significantly lowers ADMA concentrations. This effect is independent of baseline cholesterol. Prospective studies are required to determine whether ADMA-lowering mediates, at least partly, the protective effects of statins against atherosclerotic cardiovascular disease. (PROSPERO registration number: CRD42021275123).
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2.
Polypill for cardiovascular disease prevention: Systematic review and meta-analysis of randomized controlled trials.
Mohamed, MG, Osman, M, Kheiri, B, Saleem, M, Lacasse, A, Alkhouli, M
International journal of cardiology. 2022;:91-98
Abstract
BACKGROUND Cardiovascular disease is the leading cause of death worldwide. Although many pharmacological agents exist, drug compliance and therapeutic goal achievement continue to be suboptimal. This meta-analysis aims to study the effectiveness of polypills in controlling blood pressure, dyslipidemia and in reducing future cardiovascular events. METHODS We conducted a systematic search of electronic databases using pre-specified terms. Randomized clinical trials (RCT) comparing polypills (statin, antihypertensive agents, with or without aspirin) with the standard of care were included. Outcomes of interest were changes in [systolic blood pressure (SBP), diastolic blood pressure (DBP)] mmHg, [total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C)] mg/dl, cardiovascular (CVD) mortality, and major adverse cardiovascular events (MACE). RESULTS A total of 18 RCTs with 26,483 participants were included. The population had 55% males, with a mean age of 61.8 ± 7 years, and a mean BMI of 26.7 ± 4.2 kg/m2. The mean follow-up was 15.0 ± 20 months. Compared with standard of care, polypill use was associated with a significant reduction of SBP (Mean Difference [MD] -6.39; [95%CI -9.21, -3.56] p < 0.001), DBP (MD -4.19, [95%CI -5.48, -2.89; p < 0.001], TC (MD -24.95, [95%CI -33.86, -16.04]; p < 0.001), and LDL-C (MD -27.92, [95%CI -35.39, -20.44]; p < 0.001). Polypill use was also associated with a significant reduction of CVD mortality (RR = 0.78; 95% CI (0.61, 0.99); P = 0.04) and MACE [RR = 0.76;95% CI (0.64, 0.91); P = 0.002]. CONCLUSION This meta-analysis showed that compared to standard of care, polypill use was associated with a significant reduction of SBP, DBP, TC, LDL-C, and a significant reduction in fatal and non-fatal cardiovascular events.
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3.
Polycystic ovarian syndrome-current pharmacotherapy and clinical implications.
Rashid, R, Mir, SA, Kareem, O, Ali, T, Ara, R, Malik, A, Amin, F, Bader, GN
Taiwanese journal of obstetrics & gynecology. 2022;(1):40-50
Abstract
Polycystic ovary syndrome (PCOS), the most common endocrinopathy in women is characterized by polycystic ovaries, chronic anovulation and hyperandrogenism. The treatment in PCOS is mainly symptomatic and involves lifestyle interventions and medications such as Metformin, Oral contraceptives and Antiandrogens. However, the management of PCOS is challenging and current interventions are not able to deal with outcomes of this syndrome. This review encompasses latest pharmacotherapeutic and non-pharmacotherapeutic interventions currently in use to tackle various symptomatic contentions in PCOS. Our focus has been mainly on novel therapeutic modalities for treatment/management of PCOS, like use of newer insulin sensitizers viz., Inositols, Glucagon-like peptide-1(GLP-1) agonists, Dipeptidyl pepdidase-4 (DPP-4) inhibitors, and sodium-glucose transport protein 2 (SGLT2) inhibitors. Also, evidence suggesting the use of vitamin D, statins, and Letrozole as emerging therapies in PCOS have been summarized in this review. Additionally, novel cosmetic techniques like electrolysis, laser and use of topically applied eflornithine to tackle the most distressing feature of facial hirsutism associated with PCOS, non-pharmacological therapy like acupuncture and the role of herbal medicine in PCOS management have also been discussed.
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4.
[State of the Art: Statin Therapy].
Laufs, U, Weingärtner, O, Kassner, U, Schatz, U
Deutsche medizinische Wochenschrift (1946). 2022;(1-02):62-68
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Abstract
This review summarizes the pharmacology and clinical use of HMG-CoA reductase inhibitors, statins. LDL-Cholesterol lowering with statins reduces atherosclerotic cardiovascular risk by approx. one quater per year of treatment. The efficacy and safety of statins are demonstrated by randomized trials irrespective of the patient's age. The synthetic statins, rosuvastatin and atorvastatin, are superior with regard to LDL-C lowering, half-life and drug-interactions compared to the older statins such as simvastatin. Modern lipid lowering therapy uses individualized statin-based combination therapies.
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Treating Coronary Artery Disease: Beyond Statins, Ezetimibe, and PCSK9 Inhibition.
Musunuru, K
Annual review of medicine. 2021;:447-458
Abstract
Statins, ezetimibe, and PCSK9 inhibitors are currently the standard of care for the prevention and treatment of coronary artery disease. Despite their widespread use, coronary artery disease remains the leading cause of death worldwide, a fact that pleads for the development of new protective therapies. In no small part due to advances in the field of human genetics, many new therapies targeting various lipid traits or inflammation have recently received approval from regulatory agencies such as the US Food and Drug Administration or fared favorably in clinical trials. This wave of new therapies promises to transform the care of patients at risk for life-threatening coronary events.
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Meta-Analysis Comparing the Effect of Combined Omega-3 + Statin Therapy Versus Statin Therapy Alone on Coronary Artery Plaques.
Fan, H, Zhou, J, Yuan, Z
The American journal of cardiology. 2021;:15-24
Abstract
Statin therapy plays an important role in stabilizing and regressing coronary artery plaques. Omega-3 supplements also have anti-inflammatory and antioxidant effects on coronary plaques. However, the effect of omega-3 supplementation on the basis of statin therapy on the stability and composition of plaques, is still unclear. We searched for randomized controlled trials published prior to November 2020 in the PubMed, Embase and Cochrane databases. Finally, eight studies using different imaging techniques to evaluate coronary atherosclerotic plaque, including optical coherence tomography (OCT), coronary CT angiography (cCTA) and intravascular ultrasound (IB-IVUS), met our inclusion criteria. We pooled data extracted from the included studies using the standardized mean difference (SMD) or mean difference (MD) of the random effects model. Compared with statin treatment alone, the combined treatment further delayed the progression of total plaque volume [SMD -0.36, 95% confidence interval (CI) -0.64 to -0.08, p = 0.01] and fiber content (SMD -0.40, 95% CI -0.68 to -0.13, p = 0.004). The plasma high-sensitivity C-reactive protein (hs-CRP) level of patients in the combination treatment group was significantly lower than that of the patients in the statin treatment group alone (SMD -0.30, 95% CI -0.59 to -0.01, p = 0.04). In addition, the combined use of omega-3 further increases the fibrous cap thickness (FCT) of the plaque with an MD of 29.45 μm. There were no significant differences in plasma high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), or lipid content in plaques between the two groups. Omega-3 combined with statins is superior to the statin treatment group in stabilizing and promoting coronary plaque regression and may help to further reduce the occurrence of cardiovascular events.
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High-Intensity Statins Benefit High-Risk Patients: Why and How to Do Better.
Grundy, SM, Stone, NJ, Blumenthal, RS, Braun, LT, Heidenreich, PA, Lloyd-Jones, D, Orringer, CE, Saseen, JJ, Smith, SC, Sperling, LS, et al
Mayo Clinic proceedings. 2021;(10):2660-2670
Abstract
Review of the US and European literature indicates that most patients at high risk for atherosclerotic cardiovascular disease (ASCVD are not treated with high-intensity statins, despite strong clinical-trial evidence of maximal statin benefit. High-intensity statins are recommended for 2 categories of patients: those with ASCVD (secondary prevention) and high-risk patients without clinical ASCVD. Most patients with ASCVD are candidates for high-intensity statins, with a goal for low-density lipoprotein cholesterol reduction of 50% or greater. A subgroup of patients with ASCVD are at very high risk and can benefit by the addition of nonstatin drugs (ezetimibe with or without bile acid sequestrant or bempedoic acid and/or a proprotein convertase subtilisin/kexin type 9 inhibitor). High-risk primary prevention patients are those with severe hypercholesterolemia, diabetes with associated risk factors, and patients aged 40 to 75 years with a 10-year risk for ASCVD of 20% or greater. In patients with a 10-year risk of 7.5% to less than 20%, coronary artery calcium scoring is an option; if the coronary artery calcium score is 300 or more Agatston units, the patient can be up-classified to high risk. If high-intensity statin treatment is not tolerated in high-risk patients, a reasonable approach is to combine a moderate-intensity statin with ezetimibe. In very high-risk patients, proprotein convertase subtilisin/kexin type 9 inhibitors lower low-density lipoprotein cholesterol levels substantially and hence reduce risk as well.
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Beneficial Effect of Statin Therapy on Arterial Stiffness.
Alidadi, M, Montecucco, F, Jamialahmadi, T, Al-Rasadi, K, Johnston, TP, Sahebkar, A
BioMed research international. 2021;:5548310
Abstract
Arterial stiffness describes the increased rigidity of the arterial wall that occurs as a consequence of biological aging and several diseases. Numerous studies have demonstrated that parameters to assess arterial stiffness, especially pulse-wave velocity, are predictive of those individuals that will suffer cardiovascular morbidity and mortality. Statin therapy may be a pharmacological strategy to improve arterial elasticity. It has been shown that the positive benefits of statin therapy on cardiovascular disease is attributable not only to their lipid-lowering capacity but also to various pleiotropic effects, such as their anti-inflammatory, antiproliferative, antioxidant, and antithrombotic properties. Additionally, statins reduce endothelial dysfunction, improve vascular and myocardial remodeling, and stabilize atherosclerotic plaque. The aim of the present review was to summarize the evidence from human studies showing the effects of statins on arterial stiffness.
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New Approaches for the Prevention and Treatment of Cardiovascular Disease: Focus on Lipoproteins and Inflammation.
Hussain, A, Ballantyne, CM
Annual review of medicine. 2021;:431-446
Abstract
Although numerous trials have convincingly shown benefits of statin therapy in both primary and secondary prevention of atherosclerotic cardiovascular disease (ASCVD), most showed relative risk reductions of 25-40%, and thus many individuals continue to have ASCVD events despite statin therapy. Substantial progress has been made in developing therapies that address the residual risk for ASCVD despite statin therapy. In this review, we summarize progress of currently available therapies along with therapies under development that further reduce low-density lipoprotein cholesterol and apolipoprotein B-containing lipoproteins, reduce lipoprotein(a), reduce ASCVD events in patients with high triglycerides, and directly target inflammation to reduce ASCVD risk.
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Coronary Artery Calcium: Where Do We Stand After Over 3 Decades?
Grundy, SM, Stone, NJ
The American journal of medicine. 2021;(9):1091-1095
Abstract
In 2018, cardiovascular society cholesterol guidelines recommended the use of coronary artery calcium to guide statin therapy in patients 40-79 years of age who are at intermediate risk by multiple risk factor equations (ie, estimated 10-year risk for atherosclerotic disease of 7.5%-19.9% but in whom statin benefit is uncertain). Many such patients have no coronary calcium and remain at <5% risk over the next decade; hence, statin therapy can be delayed until a repeat calcium scan is conducted. Exceptions include patients with severe hypercholesterolemia, diabetes, and a strong family history of atherosclerotic disease. If coronary calcium equals 1-99 Agatston units, the 10-year risk is borderline (5% to <7.5%) and statin therapy is optional pending a repeat scan. If coronary calcium equals 100-299 Agatston units, the patient is clearly statin eligible (7.5% to <20% 10-year risk). And finally, if coronary calcium is ≥300 Agatston units, a patient is at high risk and is a candidate for high-intensity statins. Risk factor analysis combined judiciously with coronary calcium scanning offers the strongest evidence-based approach to use of statins in primary prevention.