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https://www.readbyqxmd.com/read/28905130/clinico-serologic-features-of-statin-induced-necrotising-autoimmune-myopathy-in-a-single-centre-cohort
#1
Michael J Waters, Vidya Limaye
Statin-induced necrotising autoimmune myopathy (NAM) is a rare but disabling complication of statin therapy. Data regarding treatment and outcomes in these patients is sparse. We retrospectively identified those patients with a diagnosis of statin-induced NAM who were managed in a single-tertiary referral centre from January 2014 to January 2017. Data regarding clinical features, serology, antibody status and functional outcome was collected. We identified 16 patients diagnosed with statin-induced NAM. Truncal weakness was present in 9/16 patients, of which one patient presented with camptocormia...
September 13, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28857949/immune-mediated-necrotizing-myopathy-associated-with-statins-history-and-recent-developments
#2
Eleni Tiniakou, Lisa Christopher-Stine
PURPOSE OF REVIEW: The use of statins has increased exponentially over the last 2 decades. Consequently, side effects have also increased, with muscle-related side effects commonly reported. RECENT FINDINGS: Although once thought to be only associated with self-limited direct myotoxicity, statins have recently been described in association with an autoimmune myopathy in association with antibodies directed against 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR), the rate limiting enzyme in cholesterol synthesis and the pharmacologic target of statins...
August 28, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28832350/which-nonautoimmune-myopathies-are-most-frequently-misdiagnosed-as-myositis
#3
Andrew L Mammen
PURPOSE OF REVIEW: To discuss the spectrum of nonautoimmune myopathies that may be misdiagnosed as autoimmune myopathy. RECENT FINDINGS: Inherited myopathies, such as dysferlinopathy, calpainopathy, and facioscapulohumeral dystrophy may be misdiagnosed as autoimmune myopathy, especially when they have inflammatory muscle biopsies. Inclusion body myositis is frequently misdiagnosed as polymyositis when rimmed vacuoles are absent on muscle biopsy, and a careful neuromuscular evaluation is not performed...
August 19, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28807458/caveolin-3-deficiency-myopathy-associated-with-dyslipidemia-treatment-challenges-and-possible-pathophysiological-association
#4
Daiana Ibarretxe, Joan Pellejà, Nicolau Ortiz, Luis Masana
We report the case of a patient treated at the lipid clinic because of high cholesterol levels with consistently elevated creatine kinase concentrations that precluded statin treatment. Electromyography showed a rippling muscle disease pattern. A muscle biopsy confirmed caveolin 3 deficiency, and a missense mutation in the CAV3 gene was identified. The patient could be properly managed with ezetimibe and cholestyramine, which reduced the low-density lipoprotein cholesterol by 30%. He remains asymptomatic after 10 years of follow-up...
August 1, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28798690/risk-of-myopathy-in-patients-in-therapy-with-statins-identification-of-biological-markers-in-a-pilot-study
#5
Giulia M Camerino, Olimpia Musumeci, Elena Conte, Kejla Musaraj, Adriano Fonzino, Emanuele Barca, Marco Marino, Carmelo Rodolico, Domenico Tricarico, Claudia Camerino, Maria R Carratù, Jean-François Desaphy, Annamaria De Luca, Antonio Toscano, Sabata Pierno
Statin therapy may induce skeletal muscle damage ranging from myalgia to severe rhabdomyolysis. Our previous preclinical studies showed that statin treatment in rats involves the reduction of skeletal muscle ClC-1 chloride channel expression and related chloride conductance (gCl). An increase of the activity of protein kinase C theta (PKC theta) isoform, able to inactivate ClC-1, may contribute to destabilize sarcolemma excitability. These effects can be detrimental for muscle function leading to drug-induced myopathy...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28793934/statin-therapy-causes-gut-dysbiosis-in-mice-through-a-pxr-dependent-mechanism
#6
Jose A Caparrós-Martín, Ricky R Lareu, Joshua P Ramsay, Jörg Peplies, F Jerry Reen, Henrietta A Headlam, Natalie C Ward, Kevin D Croft, Philip Newsholme, Jeffery D Hughes, Fergal O'Gara
BACKGROUND: Statins are a class of therapeutics used to regulate serum cholesterol and reduce the risk of heart disease. Although statins are highly effective in removing cholesterol from the blood, their consumption has been linked to potential adverse effects in some individuals. The most common events associated with statin intolerance are myopathy and increased risk of developing type 2 diabetes mellitus. However, the pathological mechanism through which statins cause these adverse effects is not well understood...
August 9, 2017: Microbiome
https://www.readbyqxmd.com/read/28782163/statin-associated-immune-mediated-necrotising-myopathy-a-new-zealand-case-series-showing-possible-over-representation-in-pacific-islanders
#7
Michelle Claudine Woolley, Simon Stebbings, John Highton
AIMS: To review incident cases of statin-associated immune mediated necrotising myopathy (IMNM) associated with anti-HMGCR antibodies in a single New Zealand centre, over a two year period. METHODS: Four incident cases of statin-associated IMNM were seen between 2014 and 2016. Their presentation, investigation, treatment and current response to treatment are summarised. Two of the four patients were Pacific Islanders despite a small pacific island population in the southern district health board (SDHB)...
August 7, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28779871/meta-analysis-of-placebo-controlled-randomized-controlled-trials-on-the-prevalence-of-statin-intolerance
#8
REVIEW
Haris Riaz, Abdur Rahman Khan, Muhammad Shahzeb Khan, Karim Abdur Rehman, Shehab Ahmad Redha Alansari, Bashaer Gheyath, Sajjad Raza, Amr Barakat, Faraz Khan Luni, Haitham Ahmed, Richard A Krasuski
The prevalence of intolerance varies widely. Stopping statin therapy is associated with worse outcomes in patients with cardiovascular disease. Despite extensive studies, the benefits and risks of statins continue to be debated by clinicians and the lay public. We searched the PubMed, Medline, and Cochrane Central Register of Controlled Trials (CENTRAL) databases for all randomized controlled trials of statins compared with placebo. Studies were included if they had ≥1,000 participants, had patients who were followed up for ≥1 year, and reported rates of drug discontinuation...
September 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28771594/patients-experiencing-statin-induced-myalgia-exhibit-a-unique-program-of-skeletal-muscle-gene-expression-following-statin-re-challenge
#9
Marshall B Elam, Gipsy Majumdar, Khyobeni Mozhui, Ivan C Gerling, Santiago R Vera, Hannah Fish-Trotter, Robert W Williams, Richard D Childress, Rajendra Raghow
Statins, the 3-hydroxy-3-methyl-glutaryl (HMG)-CoA reductase inhibitors, are widely prescribed for treatment of hypercholesterolemia. Although statins are generally well tolerated, up to ten percent of statin-treated patients experience myalgia symptoms, defined as muscle pain without elevated creatinine phosphokinase (CPK) levels. Myalgia is the most frequent reason for discontinuation of statin therapy. The mechanisms underlying statin myalgia are not clearly understood. To elucidate changes in gene expression associated with statin myalgia, we compared profiles of gene expression in skeletal muscle biopsies from patients with statin myalgia who were undergoing statin re-challenge (cases) versus those of statin-tolerant controls...
2017: PloS One
https://www.readbyqxmd.com/read/28747665/associations-of-statin-use-with-motor-performance-and-myalgia-may-be-modified-by-25-hydroxyvitamin-d-findings-from-a-british-birth-cohort
#10
Nikhil Sharma, Rachel Cooper, Diana Kuh
The objective was to examine whether: (1) statin use was associated with muscle related outcomes at age 60-64, (2) these associations were modified by 25-hydroxyvitamin D (25(OH)D) status and explained by inflammation, body-size or lifestyle in a British birth cohort. Markers of myalgia (intrusive body pain) and myopathy (self-reported and performance-based measures) were examined in 734 men and 822 women (MRC National Survey of Health and Development). Statin use was associated with intrusive body pain, difficulty climbing stairs and slower chair rise speed...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28736830/pcsk9-in-context-a-contemporary-review-of-an-important-biological-target-for-the-prevention-and-treatment-of-atherosclerotic-cardiovascular-disease
#11
REVIEW
Michael M Page, Gerald F Watts
Proprotein convertase subtilisin/kexin type 9 (PCSK9) and the identification of its critical role in lipoprotein metabolism has rapidly led to the development of PCSK9 inhibition with monoclonal antibodies (mAbs). PCSK9 mAbs are already in limited clinical use and are the subject of major cardiovascular outcomes trials, which if universally positive could see much wider clinical application of these agents. Patients with familial hypercholesterolaemia are the most obvious candidates for these drugs, but other patients with elevated cardiovascular risk, statin intolerance or hyperlipoproteinaemia(a) may also benefit...
July 24, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28728682/-statin-and-risk-of-falls-in-the-elderly-a-sytematic-review-of-the-literature
#12
Luis Carlos Venegas Sanabria, Stephany Barbosa Balaquera, Ana María Suarez Acosta, Ángel Alberto García Peña, Carlos Alberto Cano Gutiérrez
BACKGROUND: With the high incidence of cardiovascular events in the elderly population the effectiveness of statins in reducing mortality from coronary events has been demonstrated. However, there have been adverse effects, such as myalgia, myopathy, myonecrosis, not to mention the falls as a result of muscle damage with statin use. OBJECTIVE: The purpose of this study is to conduct a systematic review to assess the literature on the association between statin use and the risk of falls...
July 17, 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/28685504/statins-for-children-with-familial-hypercholesterolemia
#13
REVIEW
Alpo Vuorio, Jaana Kuoppala, Petri T Kovanen, Steve E Humphries, Serena Tonstad, Albert Wiegman, Euridiki Drogari, Uma Ramaswami
BACKGROUND: Familial hypercholesterolemia is one of the most common inherited metabolic diseases and is an autosomal dominant disorder meaning heterozygotes, or carriers, are affected. Those who are homozygous have severe disease. The average worldwide prevalence of heterozygous familial hypercholesterolemia is at least 1 in 500, although recent genetic epidemiological data from Denmark and next generation sequencing data suggest the frequency may be closer to 1 in 250. Diagnosis of familial hypercholesterolemia in children is based on elevated total cholesterol and low-density lipoprotein cholesterol levels or DNA-based analysis, or both...
July 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28681266/muscular-adverse-drug-reactions-associated-with-proton-pump-inhibitors-a-disproportionality-analysis-using-the-italian-national-network-of-pharmacovigilance-database
#14
Alice Capogrosso Sansone, Irma Convertino, Maria Teresa Galiulo, Stefano Salvadori, Stefania Pieroni, Tamara Knezevic, Stefania Mantarro, Alessandra Marino, Manfred Hauben, Corrado Blandizzi, Marco Tuccori
INTRODUCTION: Proton pump inhibitors (PPIs) have been implicated in the occurrence of moderate to severe myopathies in several case reports. AIM: This study was performed to assess the reporting risk of muscular adverse drug reactions (ADRs) associated with PPIs in the Italian National Network of Pharmacovigilance database. METHODS: A disproportionality analysis (case/non-case) was performed using spontaneous reports collected in the database between July 1983 and May 2016...
July 5, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28670530/myopathy-in-patients-taking-atorvastatin-a-pilot-study
#15
K Manoj, N Jain, S V Madhu
AIM: This study aims to investigate the prevalence and risk factors of statin-induced myopathy. SUBJECTS AND METHODS: A total of 200 patients aged ≥ 40 years and taking atorvastatin 10 mg/day or more for at least 2 weeks were recruited in the study. A detailed history of participants and anthropometry of study participants was recorded, and features of myopathy were explained. Biochemical investigations along with thyroid stimulating hormone (TSH) and Vitamin D were done in all patients...
July 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28660228/necrotizing-autoimmune-myopathy-a-rare-variant-of-idiopathic-inflammatory-myopathies
#16
Noman Ahmed Jang Khan, Shaza Khalid, Saad Ullah, Muhammad Umair Malik, Samer Makhoul
Idiopathic inflammatory myopathies are an unusual group of myopathies with annual incidence of 1 in 100 000 people in the United States. Necrotizing autoimmune myopathy comprises only 16% of this group. It usually presents with severe proximal weakness, lower extremity weakness, and severe fatigue while very rarely does it present with dysphagia and respiratory muscle weakness. Statin use, cancer, and connective tissue disorder are the usual associated risk factors. Anti-signal recognition particle and 3-hydroxy-3-methylglutaryl-coenzyme A reductase are the 2 most common autoantibodies associated with necrotizing autoimmune myopathy...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28627846/drug-induced-myopathies
#17
Romain Guemara, Ilias Lazarou, Ierre-André Guerne
Drug myopathies are frequent and their identification important because of their potential morbidity. Apart from statins, the drugs most often involved are glucocorticoids, antimalarials, colchicine, and antiretrovirals. These myopathies are largely preventable, particularly those that occur in combinations of treatments or in the presence of comorbidities. Their relatively specific presentation often makes it possible to approach the diagnosis and to target the possible molecule to be interrupted. In general, they are spontaneously and rapidly reversible upon discontinuation of the drug, with the exception of statin-induced autoimmune necrotizing myopathy ; however, the latter is reversible under immunosuppressants, when initiated early enough...
May 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28614015/statin-induced-necrotizing-autoimmune-myopathy-importance-of-early-recognition
#18
Arif Hussenbux, Monika Hofer, Alan Steuer
No abstract text is available yet for this article.
June 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28576976/pleiotropic-and-adverse-effects-of-statins-do-epigenetics-play-a-role
#19
REVIEW
Stephanie C Allen, Cyril D S Mamotte
Statins are widely used to prevent major cardiovascular events by lowering serum cholesterol. There is evidence that statins have pleiotropic effects-that is, cholesterol-independent effects-that may also confer protection from cardiovascular disease and potentially numerous other pathologies, including cancer. Statins also have a number of well described adverse effects, including myopathy, rhabdomyolysis, liver damage, and type 2 diabetes. This paper examines the evidence of epigenetic modifications as a contributory factor to the pleiotropic and adverse effects of statins...
August 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28526123/-direct-mechanism-of-action-in-toxic-myopathies
#20
REVIEW
A Khelfi, M Azzouz, R Abtroun, M Reggabi, B Alamir
Toxic myopathies are a large group of disorders generated by surrounding agents and characterized by structural and/or functional disturbances of muscles. The most recurrent are those induced by commonly used medications. Illicit drugs, environmental toxins from animals, vegetables, or produced by micro-organisms as well as chemical products commonly used are significant causes of such disorders. The muscle toxicity results from multiple mechanisms at different biological levels. Many agents can induce myotoxicity through a direct mechanism in which statins, glucocorticoids and ethyl alcohol are the most representative...
May 16, 2017: Annales Pharmaceutiques Françaises
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