在西班牙裔移植患者中优化tacrolimus剂量:从现实世界的数据中获得的见解
Athanasios Chamzas1, Eglis Tellez2, Andrew SyBing1
1Center for Translational Medicine, University of Maryland School of Pharmacy, Baltimore, MD, United States.
Frontiers in pharmacology
|October 4, 2024
概括
西班牙裔移植患者的塔克罗利斯清除率降低了40%. 使用人口药理动力学的新剂量策略有助于更快,更安全地达到标药物水平,改善了塔克罗利斯治疗.
科学领域:
- 药理学 药理学是指药理学的学科.
- 移植医学 移植医学 移植医学
- 临床药房 临床药房
背景情况:
- 塔克罗利对于预防移植患者器官排斥至关重要.
- 塔克罗利斯水平在患者之间具有很高的变化,因此需要对治疗药物进行监测.
- 在西班牙裔人群中,早期移植后的塔克罗利斯暴露不足,尽管已知药理动力学差异.
研究的目的:
- 开发一种基于药理动力学模型的方法,用于西班牙裔移植患者的塔克罗利斯剂量.
- 确定塔克罗利斯的最佳初始剂量和定位策略.
- 为了快速安全地达到目标血最低度 (10-12 ng/mL).
主要方法:
- 利用来自西班牙裔脏移植患者电子病历的稀少的塔克罗利斯度-时间数据.
- 采用药理动力学模型,利用现有的文献数据进行参数估计.
- 估计的表面清除值和确定的共变量,然后使用模拟来评估剂量和定位策略.
主要成果:
- 一个包含体重和血红素的两部分过渡吸收模型描述了塔克罗利的药理动力学.
- 与其他人群相比,西班牙裔患者的明显清除率降低了40%.
- 模拟确定了0.1毫克/公斤/天的初始剂量和三步定位策略.
结论:
- 西班牙裔移植患者显示,塔克罗利斯明显清除显著降低.
- 拟议的量身定制的剂量方案迅速且安全地实现了塔克罗利斯的目标度.
- 建议以人口药理学为指导的剂量来优化这群人群中塔克罗利斯治疗.
相关概念视频
01:11Renal Failure: Dose Adjustments
68
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...
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...
68
01:16Kidney Transplant III: Nursing Management
3
Postoperative Nursing Management for Kidney Transplant PatientsPostoperative nursing management care includes monitoring the surgical site, encouraging early movement, and promoting lung health through breathing exercises. Nurses also administer prescribed medications like H2-blockers, such as famotidine, or proton pump inhibitors, like omeprazole, to help prevent gastrointestinal ulcers and bleeding. Fungal infections in the mouth and bladder can result from immunosuppressive and antibiotic...
3
01:26Kidney Transplant II: Surgical Procedure
2
Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
2
01:28Kidney Transplant I: Introduction
2
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
2
01:24Rational Dosage Regimen: Maintenance Dose and Loading Dose
4.0K
A rational dosage regimen considers a drug's pharmacokinetics, including its absorption, distribution, metabolism, and elimination from the body. By understanding these factors, the appropriate dosage can be determined, and the dosing schedule can be designed to achieve and maintain the desired therapeutic effect while minimizing adverse effects.
In most cases, drugs are administered repetitively or infused continuously to maintain a steady-state concentration in the body. At a steady...
In most cases, drugs are administered repetitively or infused continuously to maintain a steady-state concentration in the body. At a steady...
4.0K
01:15Drug Dosage Regimen: Overview
3.5K
A drug dosage regimen describes the specific instructions and schedule for administering a drug to a patient. It considers factors such as drug dosage, frequency, route of administration, and duration of treatment. Designing an appropriate dosage regimen for a patient aims to achieve a target drug concentration at the site of action.
Typically, the starting dose and dosing interval are guided by the manufacturer's recommendations based on clinical trials conducted during and after drug...
Typically, the starting dose and dosing interval are guided by the manufacturer's recommendations based on clinical trials conducted during and after drug...
3.5K