用现实世界药物使用和基因型数据评估药物遗传检测的价值
Kaisa Litonius1,2,3, Noora Kulla4,5, Petra Falkenbach6
1Department of Clinical Pharmacology, University of Helsinki, Helsinki, Finland.
Clinical pharmacology and therapeutics
|October 4, 2024
概括
由于现实世界的证据有限,药物遗传学测试的实施速度很慢. 将预防性药物遗传小组测试针对最有可能接受可行的药物的患者群体,可能对医疗保健系统具有成本效益.
科学领域:
- 药物基因组学 药物基因组学
- 临床药理学 临床药理学
- 卫生经济学 卫生经济学
背景情况:
- 临床实践中药物遗传测试的采用受到缺乏关于有效实施策略的现实世界的证据的阻碍.
- 需要有针对性的测试方法来优化药物遗传学在患者护理中的使用.
研究的目的:
- 分析大量患者队列中对药物遗传学上可行的药物的处方的现实数据.
- 调查影响这些药物的处方因素.
- 开发用于预防性药物遗传学小组测试的成本效益模型.
主要方法:
- 全国队列 (1425,000名患者) 和大学医院队列 (2,178名患者) 的回顾性分析.
- 检查药物购买和处方的药物遗传学作用药物.
- 针对大学医院患者的一个子集的全基因组基因型化 (n=930).
- 开发一种基于文献的成本效益模型,用于预防性测试.
主要成果:
- 60.4%的患者接受了至少一种药物遗传学上可操作的药物;常见的例子包括布洛芬和可代因.
- 98.8%的基因型患者具有可操作的基因型,23.3%具有可操作的基因药物对.
- 患有肌肉骨或心血管疾病的患者更有可能接受可操作的药物.
- 一个成本效益模型表明,在不包括测试成本的非定向预防性测试中,在2年内,每名患者可节省17.49欧元的潜在成本.
结论:
- 很大一部分患者接受药物遗传学上可操作的药物,大多数患者携带可操作的基因型.
- 针对特定患者群体进行先发制药遗传测试,特别是那些患有高风险疾病的患者,可能是一个合理且潜在的成本效益的策略.
相关概念视频
Analysis of Population Pharmacokinetic Data
237
Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...
237
Pharmacokinetic Models: Overview
607
Pharmacokinetic models utilize mathematical analysis to achieve a detailed quantitative understanding of a drug's life cycle within the body. They are instrumental in simulating a drug's pharmacokinetic parameters, predicting drug concentrations over time, optimizing dosage regimens, linking concentrations with pharmacologic activity, and estimating potential toxicity.
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
607
Model-Independent Approaches for Pharmacokinetic Data: Noncompartmental Analysis
51
Noncompartmental analyses offer an alternative method for describing drug pharmacokinetics without relying on a specific compartmental model. In this approach, the drug's pharmacokinetics are assumed to be linear, with the terminal phase log-linear. This assumption allows for simplified analysis and interpretation of the drug's behavior in the body.
One important characteristic of noncompartmental analyses is that drug exposure increases proportionally with increasing doses. This...
One important characteristic of noncompartmental analyses is that drug exposure increases proportionally with increasing doses. This...
51
Pharmacokinetic Models: Comparison and Selection Criterion
48
Physiological and compartmental models are valuable tools used in studying biological systems. These models rely on differential equations to maintain mass balance within the system, ensuring an accurate representation of the dynamic processes at play.
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
48
Nonlinear Pharmacokinetics: Role of Transporters
40
A drug's nonlinear kinetics can be influenced by a diverse range of transporter proteins that serve as crucial players in drug distribution. These transporters, found within cells, can enhance or reduce local drug concentrations by facilitating the influx or efflux of drugs. For instance, the expression of xenobiotic transporters can be influenced by factors such as age and gender, potentially impacting the linearity of drug response.
Polymorphisms occurring in drug transporters can alter...
Polymorphisms occurring in drug transporters can alter...
40
Analysis Methods of Pharmacokinetic Data: Model and Model-Independent Approaches
99
Drug disposition in the body is a complex process and can be studied using two major approaches: the model and the model-independent approaches.
The model approach uses mathematical models to describe changes in drug concentration over time. Pharmacokinetic models help characterize drug behavior in patients, predict drug concentration in the body fluids, calculate optimum dosage regimens, and evaluate the risk of toxicity. However, ensuring that the model fits the experimental data accurately...
The model approach uses mathematical models to describe changes in drug concentration over time. Pharmacokinetic models help characterize drug behavior in patients, predict drug concentration in the body fluids, calculate optimum dosage regimens, and evaluate the risk of toxicity. However, ensuring that the model fits the experimental data accurately...
99


