相关实验视频

Updated: Jan 15, 2026

Quantification of the Immunosuppressant Tacrolimus on Dried Blood Spots Using LC-MS/MS

Quantification of the Immunosuppressant Tacrolimus on Dried Blood Spots Using LC-MS/MS

Published on: November 8, 2015

在移植后的早期阶段,用于个性化塔克罗利斯剂量调整的机器学习机制

Hui Yu¹, Zihan Qin², Logan S Smith²

¹Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, 48109, USA.

British journal of clinical pharmacology

|January 14, 2026

概括

机理知情机器学习模型改善了移植患者的塔克罗利斯剂量. 这些模型提高了治疗药物监测的准确性,从而在移植后的关键早期时期更好地达到药物度的目标.

科学领域:

药理学药理学是指药理学的学科.
腎臟病學 (nephrology) 是一種醫學.
计算生物学计算生物学

背景情况:

移植后的塔克罗利斯剂量是复杂的,因为高可变性和狭窄的治疗指数.
个性化剂量对于优化疗效和最小化早期移植后护理中的毒性至关重要.

研究的目的:

开发和验证基于机制的机器学习 (ML) 模型,用于个性化塔克罗利斯剂量.
将ML模型的性能与传统的贝叶斯人口药理动力学 (PopPK) 模型进行比较.

主要方法:

在移植后7天内,从1624名脏移植接受者中利用了4311个塔克罗利斯的最低度.
开发了结合线性药理动力学原理的门循环单元 (GRU) 和极度梯度增强 (XGBoost) ML模型.
使用内部和外部数据集对贝叶斯式PopPK模型进行验证的模型.

主要成果:

基于机制的GRU模型在内部和外部验证中表现优于贝叶斯式PopPK (MSE较低,R2较高).
在51.3%的病例中,GRU模型导向剂量达到治疗目标,明显高于总体37.0%.
纳入药理动力学原理提高了模型的解释性和通用性,而不会牺牲准确性.

结论:

基于机制的ML模型提供了一个强大而可解释的工具,用于个性化的塔克罗利斯剂量.
这些模型有可能在早期移植后患者中显著改善治疗目标的实现.
在ML的支持下,准确的剂量调整可以在这个关键阶段优化患者的治疗结果.

关键词:

移植脏移植移植脏机器学习是机器学习.药物动力学药物动力学精确的剂量准确的剂量.这就是塔克罗利斯.

更多相关视频

Digital Home-Monitoring of Patients after Kidney Transplantation: The MACCS Platform

Digital Home-Monitoring of Patients after Kidney Transplantation: The MACCS Platform

Published on: April 12, 2021

Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation

Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation

Published on: May 2, 2013

相关概念视频

Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant

Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant

In patients with renal disease, dosage adjustments are necessary to maintain therapeutic plasma drug concentrations and prevent toxicity or subtherapeutic exposure. Renal impairment alters drug pharmacokinetics, especially in conditions like uremia, where changes such as prolonged elimination half-life and altered apparent volume of distribution can significantly affect drug disposition. These changes require careful modification of the dosing regimen to achieve the desired clinical...

Dosage Regimen: Individualization

Dosage Regimen: Individualization

Individualization in dosing regimens is the customization of medication doses for individual patients. Its necessity arises from the goal of maximizing therapeutic benefits while minimizing risks. This approach is pivotal because human responses to drugs can vary widely; what is effective for one person may be inadequate or excessive for another. Interpatient (intersubject) variability refers to differences in drug responses between individuals, while intrapatient (intrasubject) variability...

Renal Failure: Dose Adjustments

Renal Failure: Dose Adjustments

In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...

Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration

Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration

Glomerular filtration rate (GFR) can be estimated from serum creatinine using the modification of diet in renal disease (MDRD) formula or the chronic kidney disease–epidemiology collaboration (CKD–EPI) equation. Both methods are widely used in clinical practice to assess kidney function and guide treatment decisions.The MDRD equation does not require weight or height measurements and is normalized to the body surface area of 1.73 m², considered the average adult surface area.

Pharmacokinetics in Pediatric Patients: Drug Excretion

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...

Dosage Regimen Designs: Nomograms and Tabulations

Dosage Regimen Designs: Nomograms and Tabulations

Nomograms and tabulations are vital tools used by clinicians to design accurate and individualized dosage regimens. These instruments provide a straightforward method for adjusting dosages based on individual patient characteristics, including age, weight, and physiological condition. The foundation of a drug's nomogram is population pharmacokinetic data collected and analyzed using specific models. This data simplifies complex equations, presenting them diagrammatically or tabularly for easy...