Clinical trials: Coronary Artery Spasm
Vasospastic Angina
Multidetector Coronary CT In Vasospastic Angina
The purpose of this study is to compare the extent of coronary vessel stenosis between coronary spasm-induced angina attacks (named vasospastic angina, VSA) patients and health volunteers by multi-detector computed tomography…
- Trial name
- NCT02180971
- Testing
- Positive CAG with EG test, Negative CAG with EG test
- Where
- South Korea
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Dong-A University
Ischemia and No Obstructive Coronary Artery Disease, Coronary Microvascular Dysfunction
The DISCOVER INOCA Prospective Multi-center Registry
The overall objective of this multi-center registry is to identify specific phenotypes of INOCA with both an anatomic evaluation (coronary angiography and intravascular imaging) and physiologic assessment with the Abbott…
- Conditions
- Ischemia and No Obstructive Coronary Artery Disease, Coronary Microvascular Dysfunction, Coronary Vasospasm, Endothelial Dysfunction
- Trial name
- DISCOVER INOCA (NCT05288361)
- Testing
- Coroventis Coroflow Cardiovascular System and PressureWire™ X Guidewire
- Where
- 9 sites in United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Yale University
Radial Artery Spasm
Topical Nitroglycerine for Prevention of Radial Artery Spasm
In a randomized, double-blind trial, 100 patients undergoing angiography were pre-treated with either topical nitroglycerin (NTG) or placebo.
- Trial name
- NCT06912139
- Testing
- Nitroglycerin transdermal
- Where
- Romania
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Medicine and Pharmacy "Victor Babes" Timisoara
Internal Mammary Artery Syndrome, Vasodilation
Effect of Topically-applied Milrinone or Nitroglycerin on Internal Mammary Artery Free Flow
Forty-six consecutive patients undergoing elective primary coronary artery bypass grafting were enrolled. After the left IMA was harvested, free flow was measured under controlled hemodynamic conditions before any intervention…
- Trial name
- NCT06301880
- Testing
- The topical application of a vasodilator on the LIMA graft
- Where
- Syria
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Damascus University
Radial Artery Spasm, Radial Artery Access
The Effect of Using Virtual Reality Glasses on Anxiety-related Radial Vasospasm in Patients Undergoing Transradial Coronary Angiography
Compared to transfemoral access, transradial access is a safe and effective method for coronary interventions, associated with lower rates of vascular complications, including major bleeding.
- Conditions
- Radial Artery Spasm, Radial Artery Access, Virtual Reality
- Trial name
- NCT06726031
- Testing
- wearing VR glass
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Mersin University
Healthy
Determination of Variances in Exhaled Nitric Oxide Output in Normal Healthy Male Volunteers Consuming High and Low Nitrate/Nitrite Diets
This study will determine whether and how nitrites and nitrates in the diet affect the level of nitric oxide gas that is breathed out in air.
- Trial name
- NCT00027157
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Coronary Vasospasm
Effect of Glucose on Ocular Blood Flow
The primary objective is to assess the effect of glucose on retinal vascular diameter in otherwise healthy vasospastic subjects compared to non-vasospastic controls.
- Trial name
- NCT00350129
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Microvascular Angina, Microvascular Coronary Artery Disease
EUROpean Coronary microCirculatory Resistance and Absolute Flow Trial
Rationale: coronary microvascular disease is a relatively 'new' entity within the field of cardiology. The investigators are able to investigate the microcirculation by measurements performed in the catheterization laboratory.
- Conditions
- Microvascular Angina, Microvascular Coronary Artery Disease, Coronary Vasospasm, Microvascular Resistance
- Trial name
- EURO-ccraft (NCT04598308)
- Testing
- absolute flow and resistance measurements
- Where
- Netherlands
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Catharina Ziekenhuis Eindhoven