在服用纤维素的NSCLC患者中减少肌肉损失:一项回顾性观察研究的结果
Rahmi Elahjji1, Tahj Blow1, Rahul Grover1
1Weill Cornell Medicine, New York, New York, USA.
Journal of cachexia, sarcopenia and muscle
|August 20, 2025
概括
像纤维素这样的PPAR-α激动剂可以帮助癌症患者保持肌肉质量. 虽然这项研究没有影响整体存活率,但在服用这些药物的非小细胞肺癌患者中发现肌肉损失有所减少.
科学领域:
- 癌症学
- 代谢过程
- 药理学
背景情况:
- 癌症 - 厌食症 - 厌食症综合征 (CACS) 是一种严重的消耗性疾病,与结果不佳有关.
- PPAR-α (氧酶增殖器激活受体α) 在蛋白的产生和肌肉的保存中起作用.
- 在临床前模型中使用的PPAR-α激动剂显示肌肉节约作用.
研究的目的:
- 调查PPAR-α激动剂 (纤维素) 是否可以降低癌症患者的CACS.
- 在非小细胞肺癌 (NSCLC) 患者中评估纤维酸对骨肌肉质量和存活率的影响.
主要方法:
- 在2002-2017年间诊断的6922名NSCLC患者的回顾性队列研究.
- 对比的患者偶尔处方费诺纤维酸或gemfibrozil与倾向性比分匹配的对照.
- 通过CT成像评估复合CACS结果,骨肌肉区域变化和整体存活率.
主要成果:
- 在纤维素使用者和对照者之间,CACS总体患病率没有显著差异 (49.7%和46.6%).
- 接受纤维化剂治疗的患者随着时间的推移显著减少骨肌面积的损失 (- 3. 3% 与 - 4. 2%, p=0. 03).
- 两组患者的整体存活率没有显著差异.
结论:
- 在NSCLC患者中使用纤维素与随着时间的推移保持骨肌肉质量有关.
- 在本研究中,观察到的肌肉节约效果并没有转化为改善整体存活率.
- 需要进一步的研究来证实这些发现并探索潜在的生存益处,因为这项研究可能不足.
相关概念视频
01:26Atherosclerosis III: Management
33
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...
33
01:25Ultrasound II: Endoscopic Ultrasound and FibroScan
198
Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Endoscopic Ultrasound (EUS):
198
01:20Lipid-Lowering Drugs: Statins and Miscellaneous Agents
869
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...
869
01:16Clot Retraction and Fibrinolysis
6.8K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
6.8K
01:24Liver Regeneration
3.4K
The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
3.4K
01:24Muscle Recovery and Fatigue
2.5K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
2.5K