在第三阶段试验中使用特里弗卢诺米德作为活性比较剂是否符合伦理?
Gavin Giovannoni1, Christopher H Hawkes1, Jeannette Lechner-Scott2
1Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK.
Multiple sclerosis and related disorders
|August 15, 2023
概括
在多发性硬化症 (MS) 试验中,特里弗卢诺米德作为活性比较剂仍然具有伦理性,证明了除焦点炎症之外的显著益处. 多发性硬化社区支持其使用,确保持续的研究和患者保护.
科学领域:
- 神经学 神经学
- 临床试验 临床试验
- 药理学 药理学是指药理学的学科.
背景情况:
- 伦理辩论围绕使用 teriflunomide,一个口服疾病修饰疗法 (DMT),作为多发性硬化症 (MS) 3 期试验的活性比较剂.
- 担忧来自于其对复发和MRI活动的有效性有限.
研究的目的:
- 评估在MS临床试验中使用teriflunomide作为活性比较剂的伦理考虑和科学有效性.
- 评估特里弗卢诺米德除焦点炎症之外的更广泛的疗效,以及它在试验设计中的作用.
主要方法:
- 对特里弗卢诺米德对残疾进展和大脑体积损失的疗效的审查.
- 分析与替代比较类和试验设计 (非劣势/等效) 相关的挑战.
- 考虑经济,利他主义和务实的因素.
- 包括来自MS社区在线调查的关于道德观念的数据.
主要成果:
- 特里弗卢诺米德对残疾进展产生强有力的影响,并显著减缓大脑体积损失,与抗CD20疗法相比.
- 它在第二或第三线治疗环境中表现出更高的有效性.
- 替代的DMT类和试验设计带来了独特的挑战.
- 大多数多发性硬化社区认为随机将患者分配给特里弗卢诺米德是道德上的,并采取适当的保护措施.
结论:
- 尽管人们担心焦点疗效,但特里弗卢诺米德对残疾和大脑体积的影响支持其作为活性比较剂的使用.
- Equipoise存在,而特里弗卢诺米德的比较试验在伦理上是合理的,并且在科学上是有价值的,用于推进多发性硬化症研究.
相关概念视频
01:11Clinical Trials: Overview
3.0K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
3.0K
01:16Clinical Trials
6.9K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
There are four phases in a clinical trial. A phase one...
6.9K
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
148
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
148
01:13Therapeutic Index
4.4K
The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...
4.4K
01:26Drug Administration and Therapy Phases: Overview
535
Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
535
01:25Drug Regulation
1.4K
Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
1.4K