疾病感知对话对膝关节骨关节炎的开放性安慰剂反应的影响:一项随机对照试验
Elisabeth Ginnerup-Nielsen1, Tanja Schjødt Jørgensen1, Camilla Dew-Hattens1
1The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark.
Osteoarthritis and cartilage
|July 19, 2024
概括
在骨关节炎患者中,在安慰剂注射后,疾病感知对话没有比对照对话改善膝盖疼痛. 这项研究发现,这两组人之间减轻疼痛的程度没有显著差异.
科学领域:
- 类风湿病学 类风湿病学
- 疼痛管理 疼痛管理
- 心理医学 心理医学
背景情况:
- 膝关节关节炎是导致疼痛和残疾的主要原因.
- 疾病的感知会影响患者的体验和治疗结果.
- 了解疼痛管理中的心理因素至关重要.
研究的目的:
- 为了比较疾病感知对话 (IPC) 与研究参与对话 (RPC) 对膝盖疼痛的影响.
- 在两周内评估骨关节炎患者膝关节疼痛和生活质量的变化.
- 评估心理干预在增强安慰剂效应中的作用.
主要方法:
- 一个随机的单盲试验,涉及103名膝关节骨关节炎患者.
- 参与者接受了IPC或RPC,随后进行了开放式盐水注射.
- 主要结局:膝关节疼痛 (VAS) 的变化;次要结局:KOOS ADL和QoL分数.
主要成果:
- 两组都显示出统计学上显著的减少膝盖疼痛 (IPC: -13.7,RPC: -13.0).
- 在IPC和RPC组之间没有观察到疼痛减轻的显著差异 (P=0.85).
- 对于日常生活活动 (ADL) 或生活质量 (QoL) 的膝盖损伤和骨关节炎结局得分 (KOOS) 没有发现群体差异.
结论:
- 疾病感知对话不会增强在膝关节骨关节炎中安慰剂注射的止痛作用.
- 在这种情况下,像IPC这样的心理干预可能不会提供除了安慰剂和对照对话之外的额外好处.
- 需要进一步的研究来探索有效的非药物干预方法来治疗骨关节炎的疼痛.
相关概念视频
02:07Blind Procedures
10.6K
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
10.6K
01:54The Placebo Effect
6.1K
The placebo effect occurs when people's expectations or beliefs influence or determine their experience in a given situation. In other words, simply expecting something to happen can actually make it happen.
6.1K
01:11Blinding
2.4K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.4K
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
125
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,...
125