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临床试验/NCT02265016
NCT02265016已完成不适用

Regulation and Signaling of RBC-eNOS in Patients With Stable and Unstable Coronary Artery Disease

Heinrich-Heine University, Duesseldorf1 个研究点 分布在 1 个国家目标入组 300 人开始时间: 2014年1月最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
发起方
入组人数
300
试验地点
1
主要终点
Determination of red cell endothelial nitric oxide-synthase (eNOS)-expression and - activity

研究概览

简要总结

The aim of this study is measurement of expression and activity of RBC eNOS in different clinical cohorts of patients with coronary artery disease and acute coronary syndrome and to investigate the importance of the NO-stimulated reaction cascade in terms of sGC and PKG.

研究设计

研究类型
Observational
观察模型
Cohort
时间视角
Other

入排标准

年龄范围
40 Years 至 80 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • informed consent
  • for ACS(acute coronary syndrome)-Group: angiographic coronary artery disease; acute coronary syndrome, defined by EITHER unstable angina pectoris with significant coronary stenosis (troponin negative, without significant ST-elevation) OR low-risk NSTEMI (Troponin positive, without significant ST-elevation)
  • for stable CAD-Group: angiographic coronary artery disease; no acute coronary syndrome within the last 3 months
  • healthy control group: No clinical or angiographical signs of apparent atherosclerosis

排除标准

  • acute inflammation (CRP > 1 mg/dl, leukocyte > 11.000/µl)
  • malignant diseases
  • pregnancy
  • medication with NO-donors ( e.g.isosorbide mononitrate, isosorbide dinitrate, glyceryl trinitrate, Molsidomin, Ranexa)
  • patients with STEMI or high-risk NSTEMI

结局指标

主要结局

Determination of red cell endothelial nitric oxide-synthase (eNOS)-expression and - activity

时间窗: baseline, 3 hours and 3 month

次要结局

  • Determination of arterial stiffness(baseline, 3 hours and 3 month)
  • Microvascular function(baseline, 3 hours and 3 month)
  • Determination of nitric oxide and cyclic guanosine monophosphate (cGMP) in blood plasma and in red blood cells(baseline, 3 hours and 3 month)
  • Electrocardiogram(baseline, 3 hours and 3 month)
  • Deformability and stability of red blood cell membrane(baseline, 3 hours and 3 month)
  • determination of flow-mediated dilation(baseline, 3 hours and 3 month)
  • Determination of nitrate and nitrite in blood plasma and red blood cells (RBC)(baseline, 3 hours and 3 month)
  • Aggregation of red blood cells(baseline, 3 hours and 3 month)
  • Peripheral and central hemodynamic measurement(baseline, 3 hours and 3 month)
  • Determination of endothelial microparticles(baseline, 3 hours and 3 month)
  • Aging and turnover of red blood cells(baseline, 3 hours and 3 month)
  • Platelet aggregometry(baseline, 3 hours and 3 month)
  • Redox status of red blood cells(baseline, 3 hours and 3 month)
  • Changes of tetrahydrobiopterin-metabolism(baseline, 3 hours and 3 month)
  • Expression and function of soluble guanylyl cyclase (sGC) in red blood cells(baseline, 3 hours and 3 month)
  • Expression and activity of Protein Kinase G (PKG)(baseline, 3 hours and 3 month)
  • Determination of leucocyte populations and leucocyte function(baseline, 3 hours and 3 month)

研究者

发起方
Heinrich-Heine University, Duesseldorf
申办方类型
Other
责任方
Principal Investigator
主要研究者

Klinik für Kardiologie, Pneumologie und Angiologie

Principle Investigator Prof. Dr. Malte Kelm

Heinrich-Heine University, Duesseldorf

研究点 (1)

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