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Insulin resistance score may predict stent failure

NCT ID NCT07614763

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study looked at 1000 people who had a coronary stent placed to see if a score based on insulin resistance could predict whether the stent would narrow again (restenosis). Researchers measured insulin resistance using routine blood tests and checked for restenosis with follow-up angiography. The goal is to find a simple way to identify high-risk patients early.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors identify patients at higher risk of stent re-narrowing, leading to better follow-up care.
What could go wrong
This is an observational study, not a treatment trial. It only looks for a link, so it cannot prove cause and effect or directly improve outcomes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

1,000 people

The number who actually took part.

Started

Jan 2022

Finished

Nov 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

We retrospectively collected the clinical data of patients with recurrent chest pain after PCI and requiring repeated angiography from January 2022 to November 2025, which were obtained from electronic medical records.

Ages

45 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥45 years * Patients with a history of percutaneous coronary intervention (PCI) with stent implantation * Patients who underwent repeat coronary angiography during follow-up * Complete clinical data available, including echocardiography, 24-hour ambulatory electrocardiogram, NT-proBNP, liver and kidney function tests, and blood biochemical tests Exclusion Criteria: * Previous coronary artery bypass grafting * Lesions treated only with balloon angioplasty without stent implantation * Clinical manifestations of heart failure, structural cardiomyopathy, congenital heart disease, or significant valvular heart disease * Severe hepatic or renal dysfunction, such as estimated glomerular filtration rate \<30 mL/min/1.73 m² * Incomplete clinical or angiographic data

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Qilu Hospital of Shandong University

    Jinan, Shandong, 250012, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.