相关实验视频
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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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罗夫米拉斯 (Roflumilast) - - 一种治疗慢性阻塞性肺病的口服抗炎药:一项随机对照试验
Klaus F Rabe1, Eric D Bateman, Denis O'Donnell
1Leiden University Medical Centre, Leiden, Netherlands. k.f.rabe@lumc.nl
Lancet (London, England)
|August 16, 2005
概括
罗夫米拉斯改善了慢性阻塞性肺病 (COPD) 患者的肺功能和减少了恶化. 需要进一步的研究来证实其对生活质量的长期影响.
科学领域:
- 肺部病理学 肺部病理学
- 药理学 药理学是指药理学的学科.
- 临床试验 临床试验
背景情况:
- 慢性阻塞性肺病 (COPD) 涉及渐进的气流限制和慢性炎症,治疗选择有限.
- 作为一种固酶-4抑制剂的罗夫卢米拉斯特在中度至重度COPD患者的疗效和安全性方面进行了研究.
研究的目的:
- 评估罗夫卢米拉斯特在治疗中度至重度COPD中的疗效和安全性.
- 评估罗米拉斯特对肺功能,生活质量和恶化的影响.
主要方法:
- 一个III期,多中心,双盲,随机,安慰剂对照试验.
- 1411名COPD患者接受了口服罗夫卢米拉斯特 (250或500微克) 或安慰剂,每天服用一次,持续24周.
- 主要结局包括支气管扩展后FEV1和与健康有关的生活质量;次要结局包括肺功能和恶化.
主要成果:
- 与安慰剂相比,两种roflumilast剂量都显著改善了支气管扩展后的FEV1 (p<0.0001).
- 罗夫卢米拉斯特显示了改善生活质量的趋势,尽管在统计学上并不显著.
- 与安慰剂相比,每位患者的平均恶化病例在使用罗米拉斯特时有所减少.
结论:
- 罗夫卢米拉斯特显示出作为COPD抗炎治疗的潜力,改善肺功能和减少恶化.
- 建议进行长期研究,以充分评估罗米拉斯特对与健康相关的生活质量的影响.
相关概念视频
01:17Drugs Used in Lower Respiratory Disorders: Overview
Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
01:24Antiasthma Drugs: Methylxanthines
Theophylline, a member of the methylxanthine class of bronchodilators, has long been used in asthma management. While its exact mechanism of action is not fully understood, it is believed to have multiple effects on various cellular processes.
Theophylline is thought to inhibit phosphodiesterase enzymes, increasing intracellular levels of cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). This rise in cAMP and cGMP concentrations stimulates cardiac function,...
Theophylline is thought to inhibit phosphodiesterase enzymes, increasing intracellular levels of cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). This rise in cAMP and cGMP concentrations stimulates cardiac function,...
01:19Antiasthma Drugs: Leukotriene Modifiers
Leukotriene modifiers, or cysteinyl leukotriene receptor antagonists, are medications used to manage chronic asthma. These agents target specific inflammatory mediators produced during arachidonic acid metabolism, an essential process in generating inflammation in the body.
Leukotriene modifiers work through two distinct mechanisms:
Leukotriene modifiers work through two distinct mechanisms:
01:20Antiasthma Drugs: Muscarinic Receptor Antagonists
Muscarinic receptor antagonists, also known as antimuscarinic agents, are a class of bronchodilators used to treat asthma, although they are more commonly used to treat COPD. They work by inhibiting the action of acetylcholine (ACh), a neurotransmitter, on muscarinic receptors found in the airways.
Antimuscarinic agents compete with ACh for the same binding site on the muscarinic receptors. By binding to these receptors, they inhibit the downstream effects of ACh and block the parasympathetic...
Antimuscarinic agents compete with ACh for the same binding site on the muscarinic receptors. By binding to these receptors, they inhibit the downstream effects of ACh and block the parasympathetic...
01:25Antiasthma Drugs: Inhaled Corticosteroids and Glucocorticoids
Inhaled corticosteroids (ICS) are anti-inflammatory drugs used primarily in treating persistent asthma and providing long-term maintenance. They target the bronchial mucosa, the lining of the airways, to control inflammation, a critical factor in asthma progression and exacerbation.
ICS work through a multifaceted mechanism of action. They suppress the inflammatory response caused by the proliferation of TH cells. They also reduce the transcription of the IL-2 gene, which is involved in the...
ICS work through a multifaceted mechanism of action. They suppress the inflammatory response caused by the proliferation of TH cells. They also reduce the transcription of the IL-2 gene, which is involved in the...
01:25Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs
Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...