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Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

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Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
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Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
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Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
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IntroductionThe management of angina requires a comprehensive approach that includes pharmacological therapies, medical procedures, and lifestyle modifications.Pharmacological TherapiesAntiplatelet agents, such as aspirin, clopidogrel, prasugrel, and ticagrelor, play a pivotal role in preventing thrombus formation in patients with angina. These medications inhibit platelet aggregation and reduce the likelihood of myocardial infarction and other cardiovascular events.Anticoagulants, including...
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Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
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Statins for Smith-Lemli-Opitz syndrome.

Rami A Ballout1,2, Alicia Livinski3, Yi-Ping Fu4

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Statins show uncertain benefits for Smith-Lemli-Opitz syndrome (SLOS) and may increase adverse reactions. More research is needed to confirm efficacy and safety for this cholesterol biosynthesis disorder.

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Area of Science:

  • Biochemistry
  • Genetics
  • Clinical Medicine

Background:

  • Smith-Lemli-Opitz syndrome (SLOS) is a genetic disorder affecting cholesterol biosynthesis, leading to deficiencies and precursor accumulation.
  • Current treatments like cholesterol supplementation have limited evidence, prompting investigation into alternative therapies such as statins.

Purpose of the Study:

  • To evaluate the efficacy and safety of statins, alone or with other therapies, compared to cholesterol supplementation for SLOS.
  • To assess outcomes including survival, neurobehavioral features, and adverse effects in individuals with SLOS.

Main Methods:

  • Systematic review and meta-analysis of randomized controlled trials (RCTs), quasi-RCTs, and non-randomized studies of interventions (NRSIs).
  • Searched multiple databases up to February 2022, including CENTRAL, MEDLINE, and Embase.
  • Included studies involving human participants with diagnosed SLOS receiving statin or cholesterol therapy.

Main Results:

  • Six studies (61 participants) were included; one RCT and five NRSIs, with high or serious risk of bias.
  • No evidence on survival or quality of life; uncertain effects on neurobehavioral features and growth (very low-certainty evidence).
  • Statins may increase adverse reactions (low-certainty evidence), with uncertain effects on plasma biomarkers.

Conclusions:

  • Current evidence on statin therapy for SLOS is insufficient and of very low certainty regarding benefits.
  • Statins may pose a risk of adverse reactions in SLOS patients.
  • Future research needs prospective data on survival, neurobehavioral outcomes, and standardized assessments with consistent treatment protocols.