Atherosclerosis, Coronary Clinical Trial
— FORECASTOfficial title:
A Multicentre Prospective Study on the Role of Fluid Dynamics OCT-based REconstruction of Coronary Atherosclerosis in bifurcationS to Predict ouTcome
Investigator-initiated, international, multicentre, observational study with two cohorts.
The two study cohorts will be:
Cohort A: to understand if the local blood flow patterns (associated with low WSS), as
evaluated by computational fluid dynamic tools from combined angiographic and OCT invasive
images, may better predict the clinical outcome of patients with bifurcated coronary lesions
treated by PCI.
Cohort B: to understand if the local blood flow patterns (associated with low WSS), as
evaluated by computational fluid dynamic tools from combined angiographic and OCT invasive
images, may better predict the clinical outcome of patients with sub-critical bifurcated
lesions managed conservatively.
Coronary angiography and OCT images will be combined to obtain a three-dimensional model of
the diseased coronary vessels that will be used to calculate the local blood flow patterns
and the time-averaged WSS at the bifurcated lesion level by using computational fluid
dynamics software.
Baseline (in patients both managed conservatively and treated by PCI) and post-PCI (in
patients treated by PCI) images will be processed.
Status | Not yet recruiting |
Enrollment | 300 |
Est. completion date | March 2021 |
Est. primary completion date | September 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria - Patients with stable or unstable coronary artery disease; - TIMI 3 on both MV and SB; - MV visual diameter > 2.5 mm; - SB visual diameter > 2.0 mm; - Documentation of angiographically-critical (visually estimated percentage diameter stenosis =80% <100%) coronary lesion treated by PCI and underwent post-PCI OCT assessment or angiographically-intermediate (visually estimated percentage diameter stenosis ranging between 30-80%) lesion in the MV considered suitable for conservative management (myocardial revascularization not planned). Exclusion Criteria - Age < 18 years or impossibility to give informed consent. - Female sex with child-bearing potential. - Life expectancy of less than 12 months or factors making clinical follow-up difficult (no fixed address, etc.). - Ascertained or suspected contraindications to prolonged (up to 6 month) double antiplatelet therapy. - Known hypersensitivity to aspirin, heparin, contrast dye, sirolimus, everolimus, zotarolimus, cobalt, chromium, nickel, tungsten acrylic, and fluoro-polymers. - Poor cardiac function as defined by left ventricular global ejection fraction = 30%. - Recent (< 48 hours) ST-segment elevation myocardial infarction. - Severe myocardial hypertrophy (interventricular septum thickness > 15 mm, ECG Sokolow's criteria fulfilled). - Severe valvular heart disease. - Significant platelet count alteration (<100,000 cells/mm3 or > 700,000 cells/mm3). - Gastrointestinal bleeding requiring surgery or blood transfusions within 4 previous weeks. - History of clotting pathology. - Advance renal failure with glomerular filtration rate < 30 ml/min (Cockcroft-Gault equation) - Left main lesion. - Target bifurcation located on a distal coronary segment. |
Country | Name | City | State |
---|---|---|---|
Italy | Policlinico A. Gemelli. Università Cattolica del Sacro Cuore | Roma |
Lead Sponsor | Collaborator |
---|---|
Catholic University of the Sacred Heart |
Italy,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Target bifurcation failure (TBF) | - Target bifurcated lesion-related major adverse coronary event (MACE) defined as the composite of: cardiac death myocardial infarction (MI) not clearly related with another vessel target vessel revascularization (TVR) |
1,6,12,18,24 and 36 months | |
Secondary | Target vessel failure | - In the absence of target bifurcated lesion-related MACE, target bifurcated lesion angiographic failure defined, in patients treated by PCI, as: > 50% restenosis on the main vessel (MV) or TIMI (Thrombolysis In Myocardial Infarction) flow < 3 on the side branch (SB) at angiography eventually performed during the clinical course. | 1,6,12,18,24 and 36 months | |
Secondary | Bifurcated lesion angiographic failure | Cardiac death MI TVR Definite or probable stent thrombosis |
1,6,12,18,24 and 36 months |
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