Percutaneous Coronary Intervention Clinical Trial
— CT-COMPASSOfficial title:
Computed Tomography Coronary Physiology-derived Virtual Stenting Guided Revascularization Strategy in Patients With Coronary Artery Disease
A considerable number of patients presented with anatomically successful PCI results still suffer from functionally unresolved ischemia, which might be the cause for over one-fourth of patients experiencing recurrent angina at 1 year or adverse events at 2 years. Currently, the post-PCI physiology measurement is one of the effective metrics to quantify residual ischemia, and a suboptimal post-PCI result is strongly associated with worse outcomes. However, PCI optimization based on post-PCI physiology is, to certain extent, a provisional rescue action for a suboptimal index procedure, which may not be fully correctable "after the fact" given selected stents, site of deployment and procedural technique. Computed tomography (CT) coronary physiology-derived virtual stenting (CT-VS) based on pre-PCI CCTA angiograms is an augmented reality (AR) approach that simulates the post-stenting physiology assuming that the specified segment of the treated vessel is successfully dilated by implanting virtual stents. Previous studies have demonstrated the feasibility of optimizing PCI with CT-VS, with high consistency between pre-PCI simulated physiology result by CT-VS and actual post-PCI physiology results. Therefore, the application of CT-VS would help physicians to develop the best strategies while planning the procedure. However, there is a lack of knowledge regarding the efficacy of this novel physiological index that is available pre-PCI in achieving final post-PCI optimal physiological result. The Trials of "Computed Tomography Coronary Physiology-derived Virtual Stenting Guided Revascularization Strategy in Patients with Coronary Artery Disease (CT-COMPASS)" was designed to assess the efficacy of a CT-VS vs. standard angiographic guidance in achieving post-PCI optimal physiological result (post-PCI FFR≥0.90).
Status | Not yet recruiting |
Enrollment | 280 |
Est. completion date | December 2025 |
Est. primary completion date | December 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria General Inclusion Criteria 1. Age = 18 years. 2. Able to understand the trial design and provide written informed consent. 3. Patients with a coronary CTA performed within 30 days. CCTA Inclusion Criteria 1. The CCTA angiograms amenable to CT-FFR measurement. 2. At least 1 lesion of 50%-90% diameter stenosis in a coronary artery with =2.0mm reference vessel diameter by visual assessment. 3. And this target vessel is of physiological ischemia as assessed by CT-FFR. Angiographic Inclusion Criteria 1. The interrogated vessel is indicated for intervention assessed by operator based on indications other than CT-FFR. Exclusion Criteria General Exclusion Criteria 1. Cardiogenic shock or severe heart failure (NYHA =III or LVEF<30%). 2. Severely impaired renal function: creatinine >150µmol/L or Cockcroft-Gault calculated GFR <45 ml/kg/1.73 m2 (calculated with Cockcroft-Gault formula). 3. Allergy to iodine-containing contrast agents which cannot be adequately premedicated. CCTA Exclusion Criteria 1. The CCTA angiograms deems not amenable to CT-FFR measurement. 2. Patients with only 1 coronary artery lesion with DS >90% with TIMI flow <3. 3. An interrogated vessel presented with a CTO lesion. 4. All coronary arteries were not physiologically ischemic. 5. Coronary lesions favor CABG treatment. Angiographic Exclusion Criteria 1. The interrogated vessel with only 1 coronary artery lesion with DS >90% with TIMI flow <3. 2. Coronary lesions favor CABG treatment. |
Country | Name | City | State |
---|---|---|---|
China | Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College | Beijing | Beijing |
Lead Sponsor | Collaborator |
---|---|
China National Center for Cardiovascular Diseases |
China,
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Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The proportion of patients with a final post-PCI FFR result =0.90 | The proportion of patients with a final post-PCI FFR result =0.90 will be compared between the randomised groups | 1 days | |
Secondary | The proportion of patients with final post-PCI FFR =0.80 | The proportion of patients with a final post-PCI FFR result =0.80 will be compared between the randomised groups | 1 days | |
Secondary | The rate of target vessel failure (TVF) and its component features at 6 months. | Component features of TVF include cardiac death, target vessel myocardial infarction, and target vessel revascularisation. | 6 months | |
Secondary | The rate of target vessel failure (TVF) and its component features at 1 year. | Component features of TVF include cardiac death, target vessel myocardial infarction, and target vessel revascularisation. | 1 year | |
Secondary | Change from baseline in self-reported Health-related quality of life evaluation at 6 months. | Patients will complete the European Quality of Life-5 Dimensions (EQ-5D) questionnaire at baseline pre-procedure and again at 6 months post PCI | 6 months | |
Secondary | Change from baseline in self-reported Health-related quality of life evaluation at 1 year. | Patients will complete the European Quality of Life-5 Dimensions (EQ-5D) questionnaire at baseline pre-procedure and again at 1 year post PCI | 1 year | |
Secondary | Change from baseline in self-reported Angina status evaluation at 6 months. | Patients will complete the Seattle Angina Questionnaire (SAQ) at baseline pre-procedure and again at 6 months post PCI | 6 months | |
Secondary | Change from baseline in self-reported Angina status evaluation at 1 year. | Patients will complete the Seattle Angina Questionnaire (SAQ) at baseline pre-procedure and again at 1 year post PCI | 1 year | |
Secondary | Procedure Duration | The time required to perform the VIOS intervention procedures will be compared with those in the control group. | 1 day | |
Secondary | Fluoroscopy Dose | The radiation doses for the VIOS intervention procedures will be compared with those in the control group. | 1 day | |
Secondary | Contrast Material Dose | The contrast material doses for the VIOS intervention procedures will be compared with those in the control group. | 1 day |
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