One-stop photon-counting CT for patients after PCI

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This prospective observational cohort study aims to develop and validate a one-stop photon-counting CT imaging framework that can assess coronary anatomy, myocardial iodine distribution, extracellular volume, and cardiac function from one exam. The protocol may include ultra-high-resolution coronary CT angiography, resting myocardial iodine maps, delayed extracellular volume measurements, and a dose-controlled cine component. By reducing the need for multiple tests, the study seeks to streamline follow-up after PCI while limiting contrast exposure and radiation. The study is conducted at Chinese PLA General Hospital with adults who have at least one implanted stent.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Age 18 years or older;
2. History of percutaneous coronary intervention with implantation of at least one coronary stent;
3. Ability to undergo iodinated contrast-enhanced CT;
4. Ability and willingness to provide written informed consent.

Exclusion Criteria:

1. Estimated glomerular filtration rate below the institutional threshold for contrast-enhanced CT, generally less than 30 mL/min/1.73 m², unless examination is clinically justified and approved according to institutional policy;
2. Known severe hypersensitivity to iodinated contrast material that cannot be adequately managed using the institutional premedication protocol; Pregnancy or suspected pregnancy;
3. Inability to provide informed consent or comply with study procedures;
4. Severe respiratory inability to perform the required breath-hold.

Where it's running

• Chinese PLA General Hospital
  Beijing, Beijing Municipality, China Recruiting

Study contacts

• Study coordinator: Xiaomeng Fan
• Email: fanxiaomeng@301hospital.com.cn
• Phone: +8613203147909

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.