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Coronary Stenoses clinical trials

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NCT ID: NCT03465644 Active, not recruiting - Coronary Stenoses Clinical Trials

TAILored Versus COnventional AntithRombotic StratEgy IntenDed for Complex HIgh-Risk PCI

TAILORED-CHIP
Start date: February 12, 2019
Phase: Phase 4
Study type: Interventional

This study evaluates the efficacy and safety of tailored antithrombotic therapy with early (<6-month post-PCI) intensified (low-dose ticagrelor [120 mg loading, then 60 mg bid maintenance] and aspirin) and late (>6-month post-PCI) deescalated (clopidogrel alone) strategy in patients undergoing high-risk complex PCI as compared with standard Dual Antiplatelet Therapy(aspirin and clopidogrel for 12 months).

NCT ID: NCT02978456 Active, not recruiting - Coronary Disease Clinical Trials

Quantitative Coronary Angiography Versus Intravascular Ultrasound GUIDancE for Drug-Eluting Stent Implantation

GUIDE DES
Start date: February 23, 2017
Phase: N/A
Study type: Interventional

The purpose of this study is to compare clinical outcomes between quantitative coronary angiography -guided and Intravascular ultrasound -guided strategy in patients with significant coronary artery disease undergoing sirolimus-eluting Orsiro/Orsiro mission stent implantation.

NCT ID: NCT02951949 Completed - Atherosclerosis Clinical Trials

Estrogen Exposure and Atherosclerosis in Postmenopausal Women

Start date: November 2014
Phase:
Study type: Observational

One hundred Spanish postmenopausal women accepted to be investigated for cardiovascular risk actors including clinical features, serum biochemical parameters, single nucleotide polymorphisms for estrogen receptor, and imaging parameters, carotid intima-media thickness (91 women) and coronary computed tomography (32 women). Multivariable analysis confirmed that both age and glucose level directly affected IMT. Estrogenic exposure, as measured by the allele associated with lower expression of the ER beta gene, was protective at the sinus and the wall. Findings at the coronary arteries, either moderate or high calcium index (CAC) and/or significant lumen stenosis were sporadic and did not allow for establishing association with any of the variables assessed.

NCT ID: NCT02931331 Enrolling by invitation - Coronary Disease Clinical Trials

Coronary Revascularization Assessed by Stress PET

Start date: March 2016
Phase: N/A
Study type: Observational [Patient Registry]

Regional absolute myocardial blood flow during stress (sMBF) as measured by Positron Emission Tomography (PET) improves post mechanical revascularization provided there is a baseline stress induced perfusion defect. Coronary revascularization performed on regions without a stress induced perfusion defect does not increase the sMBF.