- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06275386
Drug-Coated Balloon in Native Chronic Total Occlusion Percutaneous Coronary Intervention (IMAGINATION)
Drug-Coated Balloon in Native Chronic Total Occlusion Percutaneous Coronary Intervention (IMAGINATION)
Study Overview
Status
Intervention / Treatment
Detailed Description
Whereas CTO PCI techniques and success rates have significantly improved during the last decade, CTOs still pose a significant technical challenge for accurate stent sizing (primarily due to negative remodelling and subsequent distal vessel dilatation post-PCI) resulting in a potentially increased risk of stent failure. Hence, the concept of DCB as a definitive treatment for native CTO is appealing and warrants further investigation. The IMAGINATION trial has been designed as a prospective research to: 1) investigate both the immediate and intermediate-term angiographic, IVUS and physiologic efficacy outcomes as well as safety profile of DCB for native vessel coronary CTO, and 2) to provide a basis for future randomized clinical trial comparing DCB to drug-eluting stents.
All patients with CTO will be screened for potential inclusion in the study. After obtaining written informed consent, patients with successful intraplaque guidewire crossing through CTO lesion (excluding the use of dissection and re-entry techniques) will undergo IVUS-guided PCI with a scoring balloon (balloon-to-artery ratio of 1:1) followed by the use of a paclitaxel-coated balloon. Following satisfactory angiographic result, IVUS and physiological measurements (FFR and non-hyperemic pressure ratios) in the target vessel will be performed. At 6-months follow-up, invasive angiography with IVUS and FFR/non-hyperemic pressure ratios in the target vessel will be repeated. In addition, patients with pre-procedural CCTA will undergo photon-counting CCTA at 12 months follow-up (CCTA substudy).
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Maksymilian Opolski
- Phone Number: 0048(22)3434127
- Email: mopolski@ikard.pl
Study Locations
-
-
Mazowieckie
-
Warsaw, Mazowieckie, Poland, 04-628
- National Institute of Cardiology
-
Contact:
- Agnieszka Zdziennicka
- Email: azdziennicka@ikard.pl
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- clinical indication for CTO PCI as determined by the local heart team (presence of angina or equivalent symptoms and/or documented ischemia or viability)
- native CTO lesion without severe calcification within the occlusion site as defined by invasive coronary angiography (according to Mintz et al. classification)
- informed consent for participation in the study
Exclusion Criteria:
- <18 years of age
- myocardial infarction
- cardiogenic shock
- severe valvular disease
- estimated life expectancy <1 year
- contraindication to PCI
- positive pregnancy test or breast-feeding
- in-stent CTO
- severe calcification within the occlusion site as defined by invasive coronary angiography
- CTO recanalization using antegrade or retrograde dissection and re-entry techniques
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Drug-coated balloon
Patients will undergo PCI of the native coronary CTO with a DCB.
|
Percutaneous coronary intervention of the actual CTO body with a paclitaxel drug-coated balloon.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
In-segment late lumen loss
Time Frame: 6-months
|
The difference by subtracting the minimal lumen diametter (MLD) at follow-up from the MLD postprocedure.
In-segment equals DCB plus the proximal and distal 5-mm margins.
|
6-months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Angiographic outcomes assessed directly post-PCI
Time Frame: immediately post-procedure (1 day)
|
|
immediately post-procedure (1 day)
|
HQ-IVUS outcomes assessed directly post-PCI
Time Frame: immediately post-procedure (1 day)
|
|
immediately post-procedure (1 day)
|
Physiologic outcomes assessed directly post-PCI
Time Frame: immediately post-procedure (1 day)
|
|
immediately post-procedure (1 day)
|
Angiographic outcomes at 6-months follow-up
Time Frame: 6-months
|
|
6-months
|
HQ-IVUS outcomes at 6-months follow-up
Time Frame: 6-months
|
|
6-months
|
Physiologic outcomes at 6-months follow-up
Time Frame: 6-months
|
|
6-months
|
Computed tomographic outcomes at 12-months follow-up (CCTA substudy)
Time Frame: 12-months
|
|
12-months
|
Clinical outcomes at 12-months follow-up
Time Frame: 12-months
|
• the rate of target lesion failure (composite endpoint of cardiac death, target vessel-related myocardial infarction, or clinically-driven target lesion revascularization)
|
12-months
|
Collaborators and Investigators
Investigators
- Principal Investigator: Maksymilian Opolski, National Institute of Cardiology
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Myocardial Ischemia
- Heart Diseases
- Cardiovascular Diseases
- Vascular Diseases
- Arteriosclerosis
- Arterial Occlusive Diseases
- Coronary Disease
- Coronary Artery Disease
- Molecular Mechanisms of Pharmacological Action
- Antineoplastic Agents
- Tubulin Modulators
- Antimitotic Agents
- Mitosis Modulators
- Antineoplastic Agents, Phytogenic
- Paclitaxel
Other Study ID Numbers
- 2.31/II/24
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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