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Can we predict the best treatment for fully blocked heart arteries?

NCT ID NCT06137521

Knowledge-focused Sponsor: Ruijin Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 18, 2026 · Last updated Aug 19, 2026 · Updated 1 time

Summary

This study follows 3,000 people with stable coronary artery disease and a chronic total occlusion—a heart artery that has been completely blocked for at least three months. Researchers will compare outcomes in those treated with a stent procedure versus medication alone. The goal is to identify risk factors and understand which approach may lead to better long-term health.

What this could mean

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

Active substance
Coronary angiography
What this could lead to
This could help identify which patients with a completely blocked coronary artery benefit most from stent placement versus medication alone, potentially guiding future treatment decisions.
What could go wrong
As an observational study, it cannot prove cause and effect. Results may be influenced by differences in patient health and treatment choices, and the findings may not apply to all populations.

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

About 3,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2010

Expected to finish

Mar 2027

An estimate. End dates often move.

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

Patients with coronary artery disease and CTO undergone coronary angiography at Ruijin Hospital, Shanghai, China will be consecutively enrolled.

Ages

18 years and older

Sex

Anyone

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 ≥18 years; Patients with angina or silent ischemia and documented ischemia; Patients with CTO ≥ 3months Exclusion Criteria: * eGFR\<15mL/(min·1.73m2); Chronic heart failure with NYHA grade ≥3; Had a history of coronary artery bypass grafting; Had received a percutaneous coronary intervention within the prior 3 months; Malignant tumor or immune system disorders; Pulmonary heart disease

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Conditions

The condition(s) this trial relates to.

coronary artery disorder

As listed by the trial registrant

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

Chronic total occlusion Coronary artery disease

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Ruijin Hospital, Shanghai Jiao Tong University School of Medicine

    RECRUITING

    Shanghai, China

More trials for these conditions

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