达帕格利弗洛辛对测量和小组估计的淋巴细胞过率的影响
Esben Iversen1,2, Line Juel Nielsen1, Viktor Rotbain Curovic3
1Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark.
Clinical pharmacology and therapeutics
|October 22, 2024
概括
-葡萄糖共运输体2 (SGLT2) 抑制剂会导致测量球透率 (mGFR) 的可逆性下降. 使用肌素或其他标记物的估计GFR (eGFR) 并不能准确预测这种短期下降.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 内分泌学 在内分泌学.
- 药理学 药理学是指药理学的学科.
背景情况:
- -葡萄糖共运输体2 (SGLT2) 抑制剂可以可逆地降低淋巴细胞过率 (GFR).
- 血清肌素通常用于估计GFR,但在使用SGLT2抑制剂时,其可靠性可能会受到损害.
- 替代性过标记物如囊素C,β-痕迹蛋白 (BTP) 和β2-微球蛋白 (B2M) 可能提供更好的精度,但它们对SGLT2抑制剂的反应尚不清楚.
研究的目的:
- 评估SGLT2抑制剂达帕格利弗洛辛对测量GFR (mGFR) 和各种过标记物的影响.
- 为了比较不同的估计GFR (eGFR) 方程在反映SGLT2抑制剂治疗诱导的短期GFR变化的准确性.
主要方法:
- 一项涉及35名2型糖尿病患者的交叉研究.
- 参与者接受了12周的达帕格利弗洛辛或安慰剂.
- 使用51Cr-EDTA血清除量化的GFR (mGFR) 与从肌素 (eGFRcre),囊素C (eGFRcys),组合标志物 (eGFRcomb) 和所有四个标志物的面板 (eGFRpanel) 中计算的eGFR相比较.
主要成果:
- 达帕格利弗洛辛显著降低了mGFR的9mL/min/1.73m2 (P<0.001),而没有任何单个过标记度的相应增加.
- 没有任何eGFR方程可以准确预测治疗诱导的mGFR变化.
- 在治疗期间,eGFRcomb和eGFRpanel在估计mGFR方面表现出最高的整体精度.
结论:
- 估计的GFR对于评估SGLT2抑制剂治疗的患者的短期GFR下降并不理想.
- 与单个标记器相比,结合多个过标记器可以提高GFR估计的稳定性和准确性.
- 需要进一步的研究来完善GFR评估在SGLT2抑制剂使用的背景下.
相关概念视频
Renal Drug Excretion: Glomerular Filtration
180
The kidney serves as the primary organ responsible for eliminating drugs and their metabolites from the body. This process, known as renal elimination, starts with glomerular filtration and results in urine formation. Each kidney houses millions of functional units called nephrons, where urine production occurs. A nephron has two main components: a renal corpuscle and a renal tubule.
Drugs gain access to the kidney via the renal artery, which progressively branches off into afferent arterioles....
Drugs gain access to the kidney via the renal artery, which progressively branches off into afferent arterioles....
180
Glomerular Filtration Rate and its Regulation
2.3K
The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
2.3K
Renal Clearance
766
The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
766
Factors Affecting Renal Clearance: Renal Impairment
58
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
58
Renal Drug Clearance: Comparison Between Renal Excretion Methods
81
Renal clearance is a critical parameter encompassing kidney filtration, secretion, and reabsorption processes. It is calculated using a specific equation to determine the rate at which the kidneys clear a drug.
Renal clearance is often associated with the renal glomerular filtration rate (GFR), which represents the rate at which plasma is filtered through the glomeruli in the kidney. When drug reabsorption is minimal and there is no active secretion, renal clearance is closely related to the...
Renal clearance is often associated with the renal glomerular filtration rate (GFR), which represents the rate at which plasma is filtered through the glomeruli in the kidney. When drug reabsorption is minimal and there is no active secretion, renal clearance is closely related to the...
81
Dipeptidyl Peptidase 4 Inhibitors
173
Dipeptidyl peptidase 4 (DPP-4) is a serine protease widely distributed in the body. It's involved in the inactivation of GLP-1 and GIP hormones, which are crucial for insulin regulation. DPP-4 inhibitors, such as sitagliptin (Januvia), saxagliptin (Onglyza), linagliptin (Tradjenta), alogliptin (Nesina), and vildagliptin (Galvus), help increase the proportion of active GLP-1, enhancing insulin secretion. These inhibitors work by competitively binding to DPP-4. This binding causes a...
173


