Clinical trials: Coronary Artery Spasm
Arterial Occlusion, Arterial Spasm
Radial Artery Spasm Leading to Occlusion in Patients Undergoing Coronary Angiogram Via Radial Access
Radial artery access is increasingly becoming popular among interventional cardiologists for patients undergoing percutaneous coronary intervention(PCI)/ diagnostic angiography secondary to its low complications rates.
- Trial name
- NCT02577796
- Where
- United States
- Sponsor
- Antonios Likourezos
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 Occlusion, Radial Artery Spasm
Radial Access Data in Vascular Interventions Registry
The RADIUS study is a prospective observational registry designed to collect real-world data regarding radial and ulnar artery access in percutaneous vascular interventions.
- Conditions
- Radial Artery Occlusion, Radial Artery Spasm, Vascular Access Complications, Coronary Artery Disease
- Trial name
- RADIUS (NCT07614386)
- Testing
- Radial and Ulnar Artery Access
- Where
- Turkey (Türkiye)
- Volunteers
- 20,000 people
- Sponsor
- Mersin Medicalpark Hastanesi
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
Coronary Microvascular Dysfunction (CMD), Vasospasm, Coronary
CompREhensive Diagnostic Assessment of Coronary Endothelial Function Impairment and Vasospasm With CoNtinuous ThErmodilution in Patients With Suspected Coronary Microvascular and Vasomotor Dysfunction
The goal of this observational study is to learn more about the diagnosis of coronary endothelium function and coronary vasospasm using a dedicated invasive protocol in patients who has angina without obstruction in their main…
- Trial name
- REDEFINE-CMD (NCT07337005)
- Testing
- Invasive coronary physiological measurements
- Volunteers
- 100 people
- Sponsor
- Mid and South Essex NHS Foundation Trust
Sleep Apnea, Obstructive, Hypoxia
"Reversibility of Cardiovascular Injury With CPAP Use: Mechanisms Involved"
The purpose of this study is to determine the factors that are associated with improved cardiovascular function with the use of CPAP therapy on subjects diagnosed with moderate to severe obstructive sleep apnea.
- Conditions
- Sleep Apnea, Obstructive, Hypoxia, Hypercapnia, Sleep Disorders
- Trial name
- NCT01317329
- Testing
- Clinically prescribed CPAP therapy
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- University of Wisconsin, Madison
Coronary Vasospasm, Coronary Microvascular Dysfunction
The NetherLands Registry of Invasive Coronary Vasomotor Function Testing (NL-CFT)
The goal of this registry is to collect data on patients referred for clinically indicated coronary vasomotor function test (CFT) and answer different questions on prevalence, safety and outcomes. The registry is observational.
- Conditions
- Coronary Vasospasm, Coronary Microvascular Dysfunction, Non-Obstructive Coronary Atherosclerosis
- Trial name
- NL-CFT (NCT06083155)
- Testing
- Coronary Function Test, Patient questionnaires
- Where
- 15 sites in Netherlands
- Volunteers
- 2,000 people
- Sponsor
- Radboud University Medical Center
Coronary Artery Disease (CAD), Obstructive Coronary Artery Disease
Comprehensive Invasive Physiological Evaluation of Obstructive Coronary Artery Disease
The goal of this clinical trial is to test whether adding coronary function testing and starting targeted medical treatment for identified vasomotor disorders will also improve angina symptoms and quality of life in patients with…
- Conditions
- Coronary Artery Disease (CAD), Obstructive Coronary Artery Disease, Coronary Microvascular Dysfunction (CMD), Vasospasm, Coronary
- Trial name
- NCT07449052
- Testing
- Coronary function testing, Percutaneous coronary intervention
- Volunteers
- 450 people
- Sponsor
- UMC Utrecht
Coronary Vasospasm, Cardiac Death
Coronary Spasm Presenting Aborted Sudden Cardiac Death, the Multicenter Registry
The purpose of this study is to evaluate the natural course of coronary spasm patients presenting aborted sudden cardiac death and analyze risk factors.
- Trial name
- NCT02298543
- Testing
- coronary spasm
- Where
- South Korea
- Volunteers
- 200 people
- Sponsor
- Seung-Jung Park
Endothelial Dysfunction, Atherosclerosis
Blood Markers for Inflammation and Coronary Artery Vasoreactivity Testing in Patients With Chest Pain and Normal Coronary Arteries
The investigators are hoping to discover the cause of chest pain in patients with a normal coronary arteriogram. For patients with chest pain coronary angiography is the standard method by which the blood vessels of the heart can…
- Conditions
- Endothelial Dysfunction, Atherosclerosis, Inflammation, Myocardial Ischemia
- Trial name
- ACOVA (NCT01162824)
- Testing
- Acetylcholine, Adenosine
- Where
- United Kingdom
- Volunteers
- 50 people
- Sponsor
- St George's Healthcare NHS Trust