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https://www.readbyqxmd.com/read/28207435/statin-associated-immune-mediated-myopathy-biology-and-clinical-implications
#1
Lisa Christopher-Stine, Pari Basharat
PURPOSE OF REVIEW: In the last 6 years, our understanding of statin-associated myopathy expanded to include not only a toxic myopathy with limited and reversible side-effects but also an autoimmune variety in which statins likely induce an autoimmune myopathy that is both associated with a specific autoantibody and responsive to immunosuppression and immune modulation. This review widens the reader's understanding of statin myopathy to include an autoimmune process. RECENT FINDINGS: Statin-associated immune-mediated myopathy provides an example of an environmental trigger (statins) directly implicated in an autoimmune disease associated with a genetic predisposition as well as potential risk factors including concomitant diseases and specific statins...
February 14, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28129483/anti-3-hydroxy-3-methylglutaryl-coenzyme-a-reductase-autoantibodies-are-associated-with-drb1-07-01-and-severe-myositis-in-pediatric-myositis-patients
#2
Takayuki Kishi, Lisa G Rider, Katherine Pak, Lilliana Barillas-Arias, Michael Henrickson, Paul L McCarthy, Bracha Shaham, Pamela F Weiss, Iren Horkayne-Szakaly, Ira N Targoff, Frederick Miller, Andrew L Mammen
OBJECTIVE: Autoantibodies recognizing 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) are associated with statin exposure, the HLA allele DRB1*11:01, and necrotizing muscle biopsies in adult myositis patients. The aim of this study was to characterize the features of pediatric anti-HMGCR-positive myositis patients. METHODS: The sera of 440 juvenile myositis patients were screened for anti-HMGCR autoantibodies. Demographic and clinical features, responses to therapy, and HLA alleles were assessed...
January 27, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28119384/assessing-potential-population-impact-of-statin-treatment-for-primary-prevention-of-atherosclerotic-cardiovascular-diseases-in-the-usa-population-based-modelling-study
#3
Quanhe Yang, Yuna Zhong, Cathleen Gillespie, Robert Merritt, Barbara Bowman, Mary G George, W Dana Flanders
OBJECTIVE: New cholesterol treatment guidelines from American College of Cardiology/American Heart Association recommend statin treatment for more of US population to prevent atherosclerotic cardiovascular disease (ASCVD). It is important to assess how new guidelines may affect population-level health. This study assessed the impact of statin use for primary prevention of ASCVD under the new guidelines. METHODS: We used data from 2010 US Multiple Cause Mortality, Third National Health and Nutrition Examination Survey (NHANES III) Linked Mortality File (1988-2006, n=8941) and NHANES 2005-2010 (n=3178) participants 40-75 years of age for the present study...
January 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28099331/atorvastatin-induced-necrotizing-autoimmune-myositis-an-emerging-dominant-entity-in-patients-with-autoimmune-myositis-presenting-with-a-pure-polymyositis-phenotype
#4
Yves Troyanov, Océane Landon-Cardinal, Marvin J Fritzler, José Ferreira, Ira N Targoff, Eric Rich, Michelle Goulet, Jean-Richard Goulet, Josiane Bourré-Tessier, Yves Robitaille, Julie Drouin, Alexandra Albert, Jean-Luc Senécal
The general aim of this study was to evaluate the disease spectrum in patients presenting with a pure polymyositis (pPM) phenotype. Specific objectives were to characterize clinical features, autoantibodies (aAbs), and membrane attack complex (MAC) in muscle biopsies of patients with treatment-responsive, statin-exposed necrotizing autoimmune myositis (NAM). Patients from the Centre hospitalier de l'Université de Montréal autoimmune myositis (AIM) Cohort with a pPM phenotype, response to immunosuppression, and follow-up ≥3 years were included...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28096458/more-severe-disease-and-slower-recovery-in-younger-patients-with-anti-3-hydroxy-3-methylglutaryl-coenzyme-a-reductase-associated-autoimmune-myopathy
#5
Eleni Tiniakou, Iago Pinal-Fernandez, Thomas E Lloyd, Jemima Albayda, Julie Paik, Jessie L Werner, Cassie A Parks, Livia Casciola-Rosen, Lisa Christopher-Stine, Andrew L Mammen
OBJECTIVE: To study disease severity and response to therapy in a large cohort of patients with anti-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR)-associated myositis. METHODS: Muscle strength, creatine kinase levels and treatments were assessed in anti-HMGCR-positive patients at each clinical visit. Univariate and multivariate analyses were used to analyse the influence of clinical characteristics on strength and the change in strength over time. Whole exome sequencing was performed in a subset of patients...
January 17, 2017: Rheumatology
https://www.readbyqxmd.com/read/28093797/adverse-reactions-to-dietary-supplements-containing-red-yeast-rice-assessment-of-cases-from-the-italian-surveillance-system
#6
Gabriela Mazzanti, Paola Angela Moro, Emanuel Raschi, Roberto Da Cas, Francesca Menniti-Ippolito
AIMS: Red yeast rice (RYR) is contained in dietary supplements for patients with dyslipidemia. RYR supplements contain monacolin K, which is chemically identical to lovastatin, a licensed drug with a well-known risk profile. We aim to describe the safety profile of RYR by analysing spontaneous reports of suspected adverse reactions (ARs). METHODS: Within the Italian Surveillance System of Natural Health Products, suspected ARs were collected and evaluated by a multidisciplinary group of experts to assess causality using the WHO-UMC system or the CIOMS/RUCAM score, for hepatic reactions...
January 17, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28092275/mechanistic-insights-from-combining-genomics-with-metabolomics
#7
Fotios Drenos
PURPOSE OF REVIEW: Metabolomics directly measure substrates and products of biological processes and pathways. Based on instrumentation and throughput advances, the use of metabolomics has only recently become feasible at the population level. This has led to an intense interest in using the new information in combination with genomics, and other omics technologies, to give biological context to the rapidly accumulating associations between genes and diseases or their risk factors. RECENT FINDINGS: The use of metabolomics-genomic associations for the metabolic characterization of genes of interest has confirmed known pathways and permitted the identification of new ones...
January 13, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28090731/addition-of-ezetimibe-to-statins-for-patients-at-high-cardiovascular-risk-systematic-review-of-patient-important-outcomes
#8
REVIEW
Yutong Fei, Gordon Henry Guyatt, Paul Elias Alexander, Regina El Dib, Reed A C Siemieniuk, Per Olav Vandvik, Mark E Nunnally, Huda Gomaa, Rebecca L Morgan, Arnav Agarwal, Ying Zhang, Neera Bhatnagar, Frederick A Spencer
Ezetimibe is widely used in combination with statins to reduce low-density lipoprotein. We sought to examine the impact of ezetimibe when added to statins on patient-important outcomes. Medline, EMBASE, CINAHL, and CENTRAL were searched through July, 2016. Randomized controlled trials (RCTs) of ezetimibe combined with statins versus statins alone that followed patients for at least 6 months and reported on at least one of all-cause mortality, cardiovascular deaths, non-fatal myocardial infarctions (MI), and non-fatal strokes were included...
January 16, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28076256/statin-therapy-as-primary-prevention-in-exercising-adults-best-evidence-for-avoiding-myalgia
#9
N John Bosomworth
INTRODUCTION: This review aims to determine whether active adults who begin statins and develop myalgia reduce or stop activity to become less symptomatic. If this occurs, strategies to mitigate symptoms are explored. Should these strategies fail, the question of whether exercise is an adequate alternative to statin therapy is addressed. METHODS: PubMed, Google Scholar, and the Cochrane Database were searched with keywords designed to retrieve information on statin myopathy in exercising adults...
November 2016: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28065770/risk-of-colchicine-associated-myopathy-in-gout-influence-of-concomitant-use-of-statin
#10
Oh Chan Kwon, Seokchan Hong, Byeongzu Ghang, Yong-Gil Kim, Chang-Keun Lee, Bin Yoo
OBJECTIVE: The purpose of this study was to investigate the risk of myopathy when statins are coadministered with colchicine in patients with gout. METHODS: In gout patients who received colchicine with or without statin, clinical data collected included medications and history of hypertension, chronic kidney disease, and liver cirrhosis. Myopathy was defined as the presence of muscle symptoms with elevated creatine kinase or myoglobin. Multivariate analysis was performed to identify risk factors for myopathy...
January 5, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/27972126/assessing-statin-associated-myopathy-using-administrative-data-from-a-german-health-insurance-fund-results-of-a-pilot-study
#11
P Ihle, F Dippel, I Schubert
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27936281/interindividual-and-interethnic-variability-in-drug-disposition-mt%C3%A2-%C3%A2-polymorphisms-in-organic-anion-transporting-polypeptide-1b1-oatp1b1-slco1b1
#12
REVIEW
Hannah H Lee, Richard H Ho
OATP1B1 (SLCO1B1) is predominantly expressed at the basolateral membrane of hepatocytes and is critically important for the hepatic uptake and clearance of numerous drug substrates and endogenous compounds. In general, the organic anion transporting polypeptides (OATP; SLCO) represent a superfamily of uptake transporters that mediate the sodium-independent transport of a diverse range of amphipathic organic compounds including bile salts, steroid conjugates, thyroid hormones, anionic peptides, numerous drugs and other xenobiotic substances...
December 9, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27936249/the-impact-of-exercise-on-statin-associated-skeletal-muscle-myopathy
#13
Hae R Chung, Mayand Vakil, Michael Munroe, Alay Parikh, Benjamin M Meador, Pei T Wu, Jin H Jeong, Jeffrey A Woods, Kenneth R Wilund, Marni D Boppart
HMG-CoA reductase inhibitors (statins) are the most effective pharmacological means of reducing cardiovascular disease risk. The most common side effect of statin use is skeletal muscle myopathy, which may be exacerbated by exercise. Hypercholesterolemia and training status are factors that are rarely considered in the progression of myopathy. The purpose of this study was to determine the extent to which acute and chronic exercise can influence statin-induced myopathy in hypercholesterolemic (ApoE-/-) mice...
2016: PloS One
https://www.readbyqxmd.com/read/27922495/toxic-and-endocrine-myopathies
#14
Hans D Katzberg, Charles D Kassardjian
PURPOSE OF REVIEW: This article discusses the clinical features, pathophysiology, and management of toxic and endocrine myopathies. RECENT FINDINGS: Early detection and expeditious correction of metabolic disturbances in endocrinopathies such as Cushing syndrome, thyroid and parathyroid diseases, and acromegaly can minimize and prevent neurologic complications including myopathy. Recently proposed mechanisms of injury in patients with critical illness myopathy include inhibition of protein synthesis, mitochondrial dysfunction, disruption of the ubiquitin-proteasome system, oxidative stress, and disruption of intramuscular calcium homeostasis, which can cause a myosin-loss myopathy...
December 2016: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/27917636/-immune-mediated-necrotizing-myopathy-associated-with-statin-treatment
#15
Jiří Vencovský
Immune mediated necrotizing myopathy (IMNM) is an acquired inflammatory myopathy. One form of the disease is associated with serum anti-HMGCR autoantibodies and significant proportion of patients has a history of statin treatment. The disease is rare with the incidence estimated around 23 cases/100 000 statin treated individuals. In contrast to direct statin toxicity, anti-HMGCR associated IMNM is an induced autoimmune disease.Patients suffer particularly from severe muscle weakness, which may be occasionally totally immobilizing...
2016: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/27899849/statin-therapy-review-of-safety-and-potential-side-effects
#16
REVIEW
Satish Ramkumar, Ajay Raghunath, Sudhakshini Raghunath
BACKGROUND: Hydroxymethyl glutaryl coenzyme A reductase inhibitors, commonly called statins, are some of the most commonly prescribed medications worldwide. Evidence suggests that statin therapy has significant mortality and morbidity benefit for both primary and secondary prevention from cardiovascular disease. Nonetheless, concern has been expressed regarding the adverse effects of long term statin use. The purpose of this article was to review the current medical literature regarding the safety of statins...
November 2016: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/27897416/curcumin-an-effective-adjunct-in-patients-with-statin-associated-muscle-symptoms
#17
REVIEW
Amirhossein Sahebkar, Nikou Saboni, Matteo Pirro, Maciej Banach
In spite of the unequivocal efficacy of statins in reducing primary and secondary cardiovascular events, the use of these drugs in a considerable number of patients is limited because of statin intolerance, mainly statin-associated muscle symptoms (SAMS). SAMS encompass a broad spectrum of clinical presentations, including mild muscular aching and other types of myalgias, myopathy with the significant elevation of creatine kinase, and the rare but life-threatening rhabdomyolysis. Among several pathophysiologic mechanisms of SAMS, mitochondrial dysfunction is thought to be one of the main one...
September 22, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27889702/statins-and-the-cholesterol-mortality-paradox
#18
José Pedro L Nunes
Large-scale randomised controlled trials, carried out in the context of secondary cardiovascular prevention, have shown that statins are superior to placebo: these drugs were shown to decrease cardiovascular events and total mortality. A further set of clinical trials compared high intensity to low/standard intensity LDL cholesterol lowering in the same setting (using either statins or a statin/ezetimibe association). In this case, a decrease in LDL cholesterol and a concomitant significant reduction in cardiovascular events were seen with intensive therapy, however with no change in total mortality...
November 26, 2016: Scottish Medical Journal
https://www.readbyqxmd.com/read/27885903/opinions-of-nephrologists-on-the-efficacy-and-tolerance-of-statins-in-hemodialysis-patients
#19
Ewa Budzisz, Michał Nowicki
Large randomized controlled trials have not confirmed the effects of statin therapy on reduction of cardiovascular morbidity and mortality in end-stage kidney disease, despite that statins are still widely prescribed by nephrologists to chronic dialysis patients. The aim of the study was to analyze the attitudes of nephrologists towards statin use in hemodialysis patients. Self-designed questionnaire, containing 18 questions, was distributed among 115 nephrologists. The survey contained description of the results of 3 largest statin trials in nephrology...
November 25, 2016: Renal Failure
https://www.readbyqxmd.com/read/27876175/-anti-hmg-coa-reductase-necrotizing-myopathy-a-report-of-4-cases
#20
J Marti, I Kolev, A Lorleac'h, S Besnard, M Pihan, P Marcorelles
INTRODUCTION: Anti-3-hydroxy-3-méthylglutaryl-coenzyme A reductase antibody-associated necrotizing autoimmune myopathy has been recently described (2011). This myopathy is distinct from statin toxic myopathy. Our objective is to report on the clinical and para-clinical characteristics of this myopathy and to show the difficulties of therapeutic care. CASE REPORTS: We describe 4 cases of patients followed-up in Brittany, France. All data have been analyzed retrospectively...
November 18, 2016: La Revue de Médecine Interne
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