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Coronary Artery Disease clinical trials

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NCT ID: NCT00410241 Active, not recruiting - Healthy Volunteers Clinical Trials

ClinSeq: A Large-Scale Medical Sequencing Clinical Research Pilot Study

Start date: January 5, 2007
Phase:
Study type: Observational

This study will examine genome sequencing in clinical research. Genome sequencing is a process in which researchers analyze (or sequence) part or all of the genome from a single person. The human genome is the material in cells that includes thousands of genes. Gene changes that cause or contribute to disease can be passed on from one generation to the next. This study first focuses on heart disease. Later, researchers hope to study other conditions and genes, with the eventual goal of sequencing most or all of participants genes. Participants ages 45 to 65 years of age and who do not smoke, may be eligible for this study. Patients will come to the NIH Clinical Research Center for an initial study to last about half a day. They will donate a blood sample and complete a short survey. Then they will meet the genetic counselor to learn more about genome sequencing. Those who join the study will undergo the following procedures and evaluations: - Family history and medical history. - Measurement of height and blood pressure. - Noninvasive heart tests, including electrocardiogram and echocardiogram. - Drawing of about 3 ounces of blood (5 to 6 tablespoons); part of the blood sample will be used for research and another part for clinical testing. - Multidetector computed tomography (CT), a test to measure coronary artery calcification, that is, condition of inflexibility. Each patient will receive a letter with results of the clinical laboratory values and evaluations. There will be recommendations for follow-up with the patient s doctors. Risks in this study include exposure to radiation from the CT test. The radiation amount used is about the same that a person normally receives from natural sources, such as from the sun, outer space, and radioactive materials found naturally in the earth s air and soil. Another slight risk involves reactions to a contrast agent that may be used in the echocardiogram. Side effects can be headache, nausea or vomiting, a warm sensation, and dizziness. With the samples that patients provide, researchers will start by sequencing about 400 genes related to heart disease. Analysis will take months to complete. Genome sequencing is difficult to do, and researchers have much to learn about the genes they sequence and the gene changes they find. If the researchers find gene changes that are important to the health of a participant, they will contact that participant and give him/her the choice of learning such results. This study may or may not have a direct benefit for participants. Patients would get free clinical testing for cholesterol, diabetes, and other conditions, as well as information about gene changes. Knowledge gained will benefit people in the future as researchers learn about the relationship between gene changes and health.

NCT ID: NCT00406185 Active, not recruiting - Clinical trials for Coronary Artery Disease

Database Registry of the Intermountain Heart Collaborative Study

Start date: October 1994
Phase:
Study type: Observational

The purpose of the registry is to collect and analyze clinical and laboratory data and tissue samples from patients who are diagnosed with any type of heart disease and to collect the same information and samples from healthy controls in participating Intermountain Healthcare facilities.

NCT ID: NCT00396929 Active, not recruiting - Myocardial Ischemia Clinical Trials

Efficiency of a New Therapy to Treat Stenosis of Coronary Vessels in Comparison With Two Already Admitted Therapies

Start date: August 2005
Phase: Phase 3
Study type: Interventional

The aim of the study is to examine the efficacy of Paclitaxel injection after a stent implantation in patients with stenosis in native coronary arteries to prevent restenosis in comparision with two admitted therapies.

NCT ID: NCT00395811 Active, not recruiting - Clinical trials for Myocardial Infarction

Stem Cell Therapy to Improve Myocardial Function in Patients Undergoing Coronary Artery Bypass Grafting (CABG)

Start date: January 2007
Phase: Phase 1/Phase 2
Study type: Interventional

The purpose of this study is to determine whether intracoronary transfer of autologous bone marrow cells can induce angiogenesis, subsequently improving regional myocardial perfusion, and finally resulting in improved systolic and diastolic left ventricular function in patients with myocardial infarction. 50 patients with stable left ventricle function will - with six months interval - receive two treatments with bone marrow transplantation intracoronary in vessels supplying dysfunctional myocardial territories and Coronary Artery Bypass Graft (CABG).

NCT ID: NCT00384514 Active, not recruiting - Clinical trials for Coronary Artery Disease

EPC by Intracoronary Injection in Patients With Chronic Stable Angina

Start date: July 2004
Phase: Phase 2
Study type: Interventional

Study title:A Study for Testing Safety and Efficacy of the administration of Blood-Borne Autologous Endothelial Progenitor Cells to Alleviate Anginal Symptoms and Myocardial Ischemia in Patients with Severe Anginal Syndrome Principle Investigator: Assoc. Prof. Damras,Tresukosol,M.D.,Head of Cardiac Catherlization unit,Division of Cardiology,Department of Medicine,Faculty of Medicine Siriraj Hospital,Mahidol University Study objective : To determine the safety and efficacy of intracoronary injection of blood-borne autologous EPCs in relieving symptoms of angina pectoris in symptomatic patients treated with maximal medical therapy with an occluded coronary artery supplying ischemic myocardium Study Design : Phase II, a single center,a non-randomized,open-label trial, Study population : Total expected no. of patients : 24 main selection criteria : - Patients with chronic stable angina on maximal medical therapy and an occluded coronary artery supplying an ischemic viable myocardial region as shown on Sesta-mibi scan. On coronary angiography,the occluded coronary artery must have a patent proximal segment of at least 30 mm with at least one side branch to enable the injection of the EPC if the vessel remains occluded despite the attempted angioplasty efforts. - Age 18-80 years - Ejection fraction >35 % on Sesta-mibi scan - Sestamibi scan (myocardial perfusion) during exercise or dipyridamole,demonstrating regional reversible ischemia in an area relating to the occluded coronary artery. Investigational Product : At D-8 250 ml of blood drawn from the patients for production of autologous EPCs or ACPs (VescellTM), On D0 ,at least 1.5 million EPCs with viability >75 % suspended in 6 ml sterile cell culture medium will be injected to the same patients by intracoronary artery. The study consists of 4 periods:Screening ( D-14to-9&D-8,Treatment(D0),Acute Safety follow-up (D1&D2),Chronic follow-up (D30,D90&D180)period ,total follow-up of each case is 6 months. Evaluation criteria : Safety : no.& duration of adverse event & serious adverse event Efficacy : - change from baseline to 1,3,6 months of CCS, 6-minute walking test - change from baseline to 3 & 6 months of Sesta-mibi scan - change from baseline to 3 & 6 months of symptom-limited exercise time,exercise-induced ischemia & METs on Sesta-mibi scan Duration of study: July 2004-December 2006

NCT ID: NCT00375336 Active, not recruiting - Aortic Stenosis Clinical Trials

Risk Factors Associated With Calcification of the Aortic Valve

Start date: January 2005
Phase: N/A
Study type: Observational

The purpose of this study is - to determine the degree of endothelial dysfunction and inflammation in calcific aortic valve disease associated with coronary artery disease(CAD). - to determine whether there is relationship between calcium metabolism and calcific aortic valve disease associated with CAD.

NCT ID: NCT00368095 Active, not recruiting - Obesity Clinical Trials

Rajavithi Health Promotion Project (Population Base Cohort)

Start date: August 2006
Phase:
Study type: Observational

Metabolic Syndrome (hypertension, diabetes mellitus, obesity, cerebrovascular-cardiovascular disease) In Community Survey was performed in central Bangkok. Prospective Cohort and intensive educated intervention (health promotion program in specific high risk groups) were performed. The aim of the study is to identify high risk patients who can develop serious complications from metabolic syndrome. An analysis of health outcomes in multiple dimensions will be performed.

NCT ID: NCT00364390 Active, not recruiting - Clinical trials for Coronary Artery Disease

A Study of Anginera In Patients Undergoing Coronary Artery Bypass Graft (CABG) Surgery

Start date: April 2006
Phase: Phase 1
Study type: Interventional

This is a first in man, Phase I safety study of Anginera in adults with Left Ventricular Dysfunction (LVD) and Reversible Myocardial Ischemia undergoing a CABG procedure.

NCT ID: NCT00290056 Active, not recruiting - Clinical trials for Coronary Artery Disease

Effect of Supplemental Intake of Omega-3 Polyunsaturated Fatty Acids on the Rate and Complexity of Spontaneously Occurring Ventricular and Supraventricular Arrhythmias in Patients With Implantable Cardioverter Defibrillator (ICD) - A Randomized Clinical Trial

Start date: November 2005
Phase: Phase 4
Study type: Interventional

We hypothesize that oral supplementation with omega-3 PUFA will decrease occurrence of arrhythmic events among post-MI, ICD recipients.

NCT ID: NCT00238004 Active, not recruiting - Clinical trials for Coronary Arteriosclerosis

The Low HDL On Six Weeks Statin Therapy (LOW) Study

Start date: November 2005
Phase: Phase 4
Study type: Interventional

Abnormal blood cholesterol levels increase the risk of developing, or dying from heart disease. It is well recognised that if "harmful" LDL cholesterol is high, and "protective" HDL cholesterol is low, this risk is increased. Drugs called statins are routinely used in patients with heart disease, are well tolerated, and decrease the harmful LDL cholesterol levels. However, statins only increase protective HDL cholesterol to a small extent. Some patients may thus benefit from additional medication to increase protective HDL-cholesterol further. One of the most effective drugs which can do this is nicotinic acid. This drug is well established having been available for over 30 years. Previous use has been limited by facial flushing in a large percentage of patients receiving the drug. However a new formulation called Niaspan is now available which is associated with much less flushing. Although many patients will have transient flushing, it is estimated that only 1 patient out of every 20 receiving the drug will have to discontinue treatment. We therefore propose, in patients with coronary artery disease and low HDL cholesterol despite being on a statin, to study the effect of Niaspan on HDL cholesterol and other lipid parameters, and to assess its tolerability.