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Coronary Disease clinical trials

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NCT ID: NCT03671603 Not yet recruiting - Clinical trials for Coronary Artery Disease

Post-Marketing Safety Study in ST-Segment Elevation Myocardial Infarction (STEMI) Participants Undergoing Primary Percutaneous Coronary Intervention (PCI) Procedure With VISIPAQUE® as the Contrast Medium

Start date: September 2018
Study type: Observational

The purpose of this study is to prospectively observe the incidence rate of acute kidney injury (AKI), major adverse renal and cardiovascular events (MARCE) in participants who were diagnosed with ST-segment elevation myocardial infarction (STEMI) and have completed primary percutaneous coronary intervention (PCI) procedure following an injection of iso-osmolar contrast medium iodixanol (Visipaque) during the in-hospital period and up to 30 days post-PCI follow-up period. The study will provide a better safety profile of Visipaque as the contrast medium in PCI procedure.

NCT ID: NCT03667781 Not yet recruiting - Hypertension Clinical Trials

Therapeutic Drug Monitoring of Cardiac Medications

Start date: September 2018
Study type: Observational

The investigators will interview patients and providers of patients who have hypertension and are seen in cardiology clinic about ways to discuss therapeutic drug monitoring with patients. The investigators will use these interviews to crease discussion tools to discuss therapeutic drug monitoring. The investigators will then draw one venous blood sample in a different group of patients who are seen in interventional clinic for 1 month followup after PCI. The investigators will assay this blood for therapeutic drug monitoring and will provide the results to their providers for discussion at their regularly scheduled followup cardiology visit. The investigators will have the patients and providers fill out a survey afterwards to determine how they viewed therapeutic drug monitoring.

NCT ID: NCT03665389 Not yet recruiting - Clinical trials for Coronary Artery Disease

Evaluation of Fractional Flow Reserve Calculated by Computed Tomography Coronary Angiography in Patients Undergoing TAVR

Start date: September 13, 2018
Phase: N/A
Study type: Interventional

The objective of this study is to evaluate the relationship between fractional flow reserve (FFR) derived from coronary computed tomography angiography (FFRct) before transcatheter aortic valve replacement (TAVR) and FFR after TAVR so as to investigate whether FFRct is useful for evaluating myocardial ischemia of severe AS. Furthermore, by measuring the instantaneous wave-free ratio (iFR) which is a physiological diagnostic method of coronary artery stenosis before and after TAVR and comparing iFR (iFR before and after TAVR) and FFR (FFR after TAVR) with FFRct (FFRct before and after TAVR), It also aims to deepen understanding of resting coronary artery physiology in aortic valve stenosis.

NCT ID: NCT03661827 Not yet recruiting - Clinical trials for Coronary Artery Disease

Dobutamine vs Adenosine CMR Study

Start date: December 1, 2018
Phase: N/A
Study type: Interventional

This is a single centre, prospective diagnostic accuracy study to assess the comparative sensitivity of dobutamine versus adenosine for detection of severe non-infarct epicardial coronary artery stenosis in subjects with reduced LV EF ( EFed referred for clinical coronary angiography for investigation of symptoms or to establish the cause heart failure. Study participants will be identified from hospital angiography referral waiting lists, or already known with CAD and from heart failure outpatient clinics at Glenfield General Hospital. Clinical and CMR data will be collated on-site (at Glenfield General Hospital) from medical records stored and stress cardiac MRI scans at Glenfield General Hospital. The analysis will occur over a 12-month period following study commencement.

NCT ID: NCT03660202 Not yet recruiting - Clinical trials for Coronary Artery Disease

Trial for MicroPort's Firesorb BVS: FUTURE-III

Start date: January 2019
Phase: N/A
Study type: Interventional

The FUTURE-III study is a confirmative clinical trial for Sirolimus Target Eluting Bioresorbable Vascular Scaffold (Firesorb) after the feasibility and safety of the device has been preliminary confirmed in a small-scale First-in-Man clinical trial.

NCT ID: NCT03657758 Not yet recruiting - Clinical trials for Coronary Artery Disease

Lesional Evaluation of High Risk Patients With Neoatherosclerosis Treated With Rosuvastatin and Eicosapentaenoic Acid Using OCT(LINK IT TWO)

Start date: September 1, 2018
Phase: Phase 4
Study type: Interventional

This study aim is to evaluate the additional effect of eicosapentaenoic acid and dose up effect of rosuvastatin for neoatherosclerosis in coronary artery disease patients.

NCT ID: NCT03657199 Completed - Clinical trials for Coronary Artery Disease

Early Silent Graft Failure in Off-pump Coronary Artery Bypass Grafting: A Computed Tomography Analysis

Start date: January 1, 2017
Study type: Observational

Aortocoronary bypass surgery is one of the most common operations in the western world. The goal of the surgeon is to perform a complete revascularization of the coronary arteries with the best, available bypass material. Aortocoronary bypass surgery can be performed with (on-pump) or without (off-pump) the heart lung machine. If the operation is performed without the heart lung machine, the heart is continuously beating while the surgeon sews the bypass to the diseased coronary artery. In randomized trials, the benefits of the off-pump technique in the hands of experienced surgeons in terms of shorter operating times, less transfusions and less pulmonary and renal complications were proven. A criticism of the off-pump technique is the reduced number of distal anastomoses, which means that fewer coronary arteries may be connected with bypass grafts because of the technically sophisticated situation. A worse quality of the connection (anastomosis) between coronary artery and bypass is often discussed, leading to a bypass occlusion already in the early stage after surgery resulting in more re-interventions on the coronary vessels. So-called silent bypass failure without clinical correlation has been examined in three relevant studies including both, the on- and the off-pump technique, with inhomogenous results. In addition to the technique, other parameters such as the degree of narrowing (stenosis) of the diseased coronary artery and collateralization of a closed coronary artery may play a role in early occlusion. All bypass patients after off-pump surgery receive routinely a computed tomographic examination of the heart. With this method, silent bypass occlusions without clinical correlation, i.e. cardiac infarction, elevated cardiac laboratory parameters or ECG changes, can be detected easily. In case of an occlusion of a relevant bypass, an intervention before discharge can be planned and performed. We would like to investigate the occlusion rate of this retrospective patient cohort after off-pump surgery and the potential risk factors, that may influence on early graft failure. We hypothesize, that early graft failure depends not only on the choice of the graft material, but also on the local grade of coronary stenosis, the collateralisation of occluded coronary vessels and the intraoperative flow results, as well as on the region of the target vessel.

NCT ID: NCT03656848 Not yet recruiting - Clinical trials for Coronary Artery Disease

The FAVOR III China Study

Start date: October 1, 2018
Phase: N/A
Study type: Interventional

The overall purpose of the FAVOR III China trial is to investigate if a strategy of quantitative flow ratio (QFR)-guided percutaneous coronary intervention (PCI) yields superior clinical outcome and cost-effectiveness compared to a strategy of standard coronary angiography-guided PCI in evaluation of patients with coronary artery disease.

NCT ID: NCT03651180 Active, not recruiting - Clinical trials for Coronary Artery Disease

Efficacy and Safety of Coronary Amphilimus-ELuting Stent in diAbeTic patiEnts

Start date: August 1, 2018
Study type: Observational [Patient Registry]

More recently a polymer-free drug eluting stent (Amphilimus eluting stent) has shown to have a superiority in terms of efficacy and safety if compared with stable polymer drug eluting stent when used in diabetic patients. However, to date there are no direct comparisons of these two type of drug eluting stents.

NCT ID: NCT03650127 Enrolling by invitation - Type 2 Diabetes Clinical Trials

Returning Genome and Metabolome Data to FinTerveys 2017 Participants: FinTerveys Study

Start date: February 2, 2018
Study type: Observational study - P4 together with a fifth 'P' and '.fi' for population health Finally Implemented in Finland - studies the value of returning genetic and metabolomic risk information in two diseases (coronary heart disease and type 2 diabetes) and one feature (venous thromboembolism). The hypothesis of the study is that 1) combining genetic and metabolic risk with traditional risk factors adds value to the personal risk assessment of these diseases, 2) such risk information can be provided to individuals using a web based user portal in an easily understandable and useful format, and 3) receiving genetic and metabolomic risk information has an effect on the health of the study participants. The study is a continuation of FinHealth 2017 -study, which involved more than 7,000 Finns from around the country. The participants of FinHealth were invited to participate in -study. The new research utilises information, samples, and measurements obtained in the FinHealth Study. Prospective clinical significance of selected genetic and metabolomic risk scores will be studied in 30.000 Finnish individuals. The study will analyze the genetic and metabolomic profile of the participants and develop and test a protocol for returning them health related risk information. The impact of the intervention will by followed up by questionnaires and national health registers for five years.