- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05758662
The Effect of Subclinical Leaflet Thrombosis and Prosthesis Type on Transcatheter Aortic Valve Degeneration (POPular PET TAVI) (POPularPETTAVI)
April 8, 2024 updated by: Jurriën M. ten Berg, MD, PhD, St. Antonius Hospital
The Effect of Subclinical Leaflet Thrombosis and Prosthesis Type on Transcatheter Aortic Valve Degeneration
A multicentre cross-sectional cohort study to assess the difference in bioprosthetic micro-calcification activity, detected with 18F-NaF PET-CT, as early marker of transcatheter valve degeneration, between patients with vs. without subclinical leaflet thrombosis at five years after TAVI; and between patients with intra-annular vs. supra-annular TAVI prostheses.
Study Overview
Status
Recruiting
Conditions
Detailed Description
Subclinical leaflet thrombosis (SCLT) occurs frequently after TAVI and has been associated with an increased risk of valve dysfunction.
A persistent form of SCLT may lead to thrombus calcification and valve degeneration and increase the long-term risk of symptomatic bioprosthetic valve deterioration.
Intra-annular in comparison to supra-annular TAVI valves have been associated with a higher risk of SCLT and valve thrombosis.
Intra-annular valves may create larger neo-sinuses and flow stagnation zones, which favour local thrombogenicity.
Whether different prosthesis types lead to a higher degree of transcatheter valve calcification and degeneration is currently unexplored.
Recently, 18F-sodium fluoride (18F-NaF) positron emission tomography (PET) has emerged as a non-invasive modality capable of imaging bioprosthetic micro-calcification activity, which is an early and powerful predictor of valvular dysfunction and eventually valve failure.
In the present study, we investigate for the first time, the differences in quantified bioprosthetic micro-calcification activity with 18F-NaF PET as early marker of transcatheter valve degeneration between patients with and without SCLT and between patients with intra-annular vs. supra-annular prostheses at five years after TAVI.
Study Type
Observational
Enrollment (Estimated)
180
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Prof. J.M. ten Berg, MD, PhD, MSc
- Email: jurtenberg@gmail.com
Study Contact Backup
- Name: Dirk-Jan van Ginkel, MD
- Phone Number: +31 (0)88 320 66 48
- Email: d.van.ginkel@antoniusziekenhuis.nl
Study Locations
-
-
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Copenhagen, Denmark
- Recruiting
- Rigshospitalet
-
Contact:
- Prof. O. De Backer, MD, PhD
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-
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Amsterdam, Netherlands
- Recruiting
- Amsterdam UMC
-
Contact:
- Dr. R. Delewi, MD, PhD
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Utrecht
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Nieuwegein, Utrecht, Netherlands, 3435 CM
- Recruiting
- St. Antonius Hospital
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Principal Investigator:
- Prof. J.M. ten Berg, MD, PhD, MSc
-
Contact:
- Dirk-Jan van Ginkel, MD
- Phone Number: +31 (0)88 320 66 48
- Email: d.van.ginkel@antoniusziekenhuis.nl
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Principal Investigator:
- Dr. M.J. Swaans, MD, PhD
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Edinburgh, United Kingdom
- Not yet recruiting
- University of Edinburgh
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Contact:
- Prof. M. Dweck, MD, PhD
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
N/A
Sampling Method
Non-Probability Sample
Study Population
Patients who underwent TAVI about five years ago will be consecutively screened for eligibility from the ongoing, prospective, TAVI registries of the participating study sites and will be asked to undergo hybrid PET-CT imaging and transthoracic echocardiography.
Description
Inclusion Criteria:
- Successful TAVI with Sapien or CoreValve Evolut prosthesis about 5 years ago
- Able to undergo hybrid 18F-NaF PET-CT imaging and transthoracic echocardiography
- Written informed consent
Exclusion Criteria:
- Temporary or chronic oral anticoagulation use after TAVI
- Known severe renal insufficiency
- Known severe paravalvular regurgitation
- History of valve-in-valve procedure
- History of aortic valve re-intervention (including percutaneous paravalvular leak closure)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Intra-annular
Patients with an intra-annular Sapien TAVI prosthesis
|
Patients undergo a hybrid 18F-NaF-PET CT scan and TTE at five years after TAVI
|
Supra-annular
Patients with a supra-annular CoreValve Evolut TAVI prosthesis
|
Patients undergo a hybrid 18F-NaF-PET CT scan and TTE at five years after TAVI
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Quantified bioprosthetic micro-calcification activity
Time Frame: 5 years after TAVI
|
18F-NaF uptake originating from any of the bioprosthetic valve leaflets assessed with 18F-NaF Positron Emission Tomography
|
5 years after TAVI
|
Subclinical Leaflet Thrombosis
Time Frame: 5 years after TAVI
|
Hypo Attenuated Leaflet Thickening (HALT) assessed with cardiac Computed Tomography
|
5 years after TAVI
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Valve dysfunction
Time Frame: 5 years after TAVI
|
Transvalvular gradients assessed with transthoracic echocardiography
|
5 years after TAVI
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
November 16, 2023
Primary Completion (Estimated)
July 1, 2025
Study Completion (Estimated)
November 1, 2025
Study Registration Dates
First Submitted
February 15, 2023
First Submitted That Met QC Criteria
February 24, 2023
First Posted (Actual)
March 7, 2023
Study Record Updates
Last Update Posted (Actual)
April 10, 2024
Last Update Submitted That Met QC Criteria
April 8, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Heart Diseases
- Cardiovascular Diseases
- Vascular Diseases
- Embolism and Thrombosis
- Aortic Valve Disease
- Heart Valve Diseases
- Ventricular Outflow Obstruction
- Aortic Valve Stenosis
- Thrombosis
- Physiological Effects of Drugs
- Anti-Infective Agents, Local
- Anti-Infective Agents
- Protective Agents
- Cariostatic Agents
- Listerine
- Fluorides
- Sodium Fluoride
Other Study ID Numbers
- NL82791.100.23
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
IPD Plan Description
Decided upon request
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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