关于MHRA安全更新对维生素B的测试和编码对甲胺使用者的影响:回顾性初级保健分析
Ian Parsonage1, David Wainwright2, Julian Barratt3
1Department of Health, University of Bath, Bath, UK. ibp25@bath.ac.uk.
BMC primary care
|December 5, 2025
概括
在MHRA指导后,甲胺使用者在维生素B12测试中显示出小幅增加. 然而,维生素B12缺乏的编码没有改变,这表明安全警报的执行不佳.
科学领域:
- 内分泌学 在内分泌学.
- 药物监督 药物监督 药物监督
- 主要护理医学 医疗保健
背景情况:
- 甲胺是一种常见的2型糖尿病治疗,与维生素B12缺乏有关.
- 英国MHRA建议在2022年6月对甲福林患者进行维生素B12测试.
- 这份指南对临床实践的影响尚不清楚.
研究的目的:
- 为了评估维生素B12测试和缺乏症编码趋势,在甲福明使用者与一般人群.
- 评估2022年MHRA药物安全更新对临床实践的影响.
主要方法:
- 对来自英格兰西南部的1.48万份电子健康记录进行了回顾性分析.
- 在 (2017-2021) 和 (2022-2024) MHRA指南之前和之后的维生素B12测试和缺陷编码率的比较.
- 使用Welch的t测试进行统计分析 (p < 0.05显著).
主要成果:
- 维生素B12测试在甲福林使用者中从34.5%增加到38.2% (p=0.008).
- 在一般人群中,测试也增加了 (12.2%至14.7%,p=0.009).
- 维生素B12缺乏症的编码在甲福林使用者中保持不变 (0.25%),在一般人群中减少.
结论:
- 根据MHRA的更新,对甲福林患者的维生素B12检测量略有增加.
- 维生素B12缺乏症的诊断编码没有得到改善,这表明安全警报的翻译不好.
- 需要进一步的研究来解决障碍,改善监测和编码合规性.
相关概念视频
01:29Therapeutic Drug Monitoring: Affecting Factors
182
Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
182
01:19Pharmacovigilance
1.6K
Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
1.6K
01:22Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
169
In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...
169
01:15Bioavailability Study Design: Healthy Subjects Versus Patients
135
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
135
01:26Oral Hypoglycemic Agents: Biguanides and Glitazones
565
Biguanides, particularly metformin (Glucophage), are insulin sensitizers that enhance glucose uptake, thereby reducing insulin resistance. Unlike sulfonylureas, metformin doesn't prompt insulin secretion, which helps to curb hypoglycemia risk. Metformin is beneficial in treating conditions like polycystic ovary syndrome due to its insulin-resistance reduction capability. The drug's primary action involves curtailing hepatic gluconeogenesis, a significant contributor to high blood...
565
01:16Therapeutic Drug Monitoring: Overview and Classification
275
Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood at designated intervals to ensure the drug concentration stays within a therapeutic range. This monitoring is crucial for optimizing individual dosage regimens, enhancing therapeutic efficacy, and minimizing drug-related toxicity. TDM is vital for drugs with narrow therapeutic windows, significant variability in pharmacokinetics, and a clear correlation between plasma levels and...
275