CompletedNot Applicable

18F-GP1 PET-CT to Detect Bioprosthetic Aortic Valve Thrombosis

United Kingdom53 participantsStarted 2019-10-22

Plain-language summary

18F-GP1 binds with high affinity to the glycoprotein IIb/IIIa receptors on activated platelets. 18F-GP1 PET-CT has recently demonstrated favourable safety, pharmacokinetic, biodistribution and diagnostic performance for the in vivo identification of venous and arterial thrombemboli.

Who can participate

Age range

50 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * ability to give informed consent * \>1 month post-surgical or transcatheter aortic valve replacement Exclusion Criteria: * Inability to give informed consent * Pregnancy or breastfeeding * Contraindications to iodinated contrast * Contraindications to anticoagulation * Use of anticoagulants during the post-operative period prior to screening * Extreme claustrophobia * Chronic kidney disease (with estimated glomerular filtration rate \<30 mL/min/1.73m2) * Metastatic malignancy * Inability to tolerate the supine position

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Prevalence of 18F-GP1 PET-CT bioprosthetic aortic valve uptake

Timeframe: 2 years

Intensity of 18F-GP1 PET-CT activity in bioprosthetic aortic valve thrombus

Timeframe: 2 years

Trial details

NCT IDNCT04073875

SponsorUniversity of Edinburgh

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2021-10-13

View on ClinicalTrials.gov More Thrombosis Cardiac trials

Who can participate

Age range

50 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.