Chronic Total Coronary Occlusion Treatment Results 6 Years After

Status Active, not recruiting

Clinical Trial Summary

Aim of the study is to evaluate chronic total coronary occlusion treatment results 6 years after bioresorbable scaffold implantation by quantitative coronary analysis, intravascular ultrasound and optical coherence tomography.

Clinical Trial Description

The study aims to assess the outcomes of treating chronic total coronary occlusion (CTO) using bioresorbable scaffolds six years after implantation. The evaluation employs quantitative coronary analysis (QCA), intravascular ultrasound (IVUS), and optical coherence tomography (OCT) as invasive imaging tools. Clinical follow-ups were conducted at one and six years post-implantation to ensure a comprehensive understanding of the long-term safety and feasibility of bioresorbable scaffold implantation for CTO. The primary outcome measure is defined as the target lesion failure of the treated chronic total coronary occlusion segment. Target lesion failure typically encompasses a composite endpoint that includes clinical events such as cardiac death, target vessel myocardial infarction, and clinically-driven target lesion revascularization. The use of QCA allows for the quantitative assessment of the coronary arteries, providing measurements of vessel diameter and lesion length. IVUS is employed to obtain detailed images of the vessel wall, helping to visualize the morphology of the treated segment and assess the presence of any complications such as stent malapposition or edge dissections. OCT, with its high resolution, allows for detailed imaging of the coronary artery, providing information on plaque composition and stent apposition. By combining these invasive imaging tools with clinical follow-ups at specified intervals, the study aims to provide a comprehensive evaluation of the long-term efficacy and safety of bioresorbable scaffold implantation in the treatment of chronic total coronary occlusion. The focus on target lesion failure as the primary outcome measure ensures a clinically relevant assessment of the success of the intervention. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06164977
Study type	Interventional
Source	Pauls Stradins Clinical University Hospital
Contact
Status	Active, not recruiting
Phase	N/A
Start date	February 1, 2017
Completion date	January 1, 2025

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Chronic Total Coronary Occlusion Treatment Results 6 Years After Bioresorbable Scaffold Implantation — CTO_BVS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms