埃泽胺和植物对胆固醇代谢的联合作用:人类随机对照养研究
Xiaobo Lin1, Susan B Racette, Michael Lefevre
1Division of Endocrinology, Metabolism, and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.
Circulation
|July 20, 2011
概括
将植物醇添加到ezetimibe中可以显著改善胆固醇代谢,并降低LDL胆固醇. 这种组合疗法在治疗高胆固醇血症方面表现有前途.
科学领域:
- 心血管研究研究心血管研究
- 营养科学 营养科学
- 药理学 药理学是指药理学的学科.
背景情况:
- 已知埃泽胺和植物可以抑制胆固醇的吸收.
- 这项研究研究了结合ezetimibe和植物的协同效应.
研究的目的:
- 为了测试这种假设,以塞蒂米布与植物结合在改变胆固醇代谢方面比单独的以塞蒂米布更有效.
- 评估对肠道胆固醇吸收,便胆固醇分泌和LDL胆固醇水平的影响.
主要方法:
- 一项随机,双盲,安慰剂控制,三重交叉研究,涉及21名轻度高胆固醇患者.
- 试验对象接受了控制饮食,每人服用埃泽蒂米布安慰剂+植物类安慰剂,埃泽蒂米布+植物类安慰剂或埃泽蒂米布+植物类安慰剂3周.
- 所有的食物都由代谢厨房提供,以确保饮食控制.
主要成果:
- 与单独使用ezetimibe和对照剂相比,联合使用ezetimibe和植物可以显著降低肠道胆固醇的吸收 (P<0.0001).
- 便中的胆固醇分泌量在联合治疗时显著增加 (P<0.0001).
- 血低密度脂蛋白胆固醇水平与对照组相比 (101 mg/dL与129 mg/dL;P<0.0001) 显著降低.
结论:
- 将植物醇添加到ezetimibe中显著增强了它对胆固醇代谢和降低LDL胆固醇的影响.
- 综合饮食和药理干预强调了植物醇作为高胆固醇血症辅助治疗的潜力.
相关概念视频
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
1.7K
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...
1.7K
Lipids: Dietary Sources and Requirements
2.5K
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...
2.5K
Cholesterol: Significance and Regulation
2.1K
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...
Considering cholesterol and...
2.1K
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism
400
Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
400
Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion
324
Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
324
Atherosclerosis III: Management
741
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...
741


