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Heart study asks: is a second look inside arteries worth it?

NCT ID NCT04604197

Knowledge-focused Sponsor: Fundación EPIC Source: ClinicalTrials.gov ↗

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study follows 400 people who had a stent placed in the left main coronary artery. Half get a routine angiogram 6 months later, while the other half have only clinical follow-up. Researchers want to see if the extra imaging reduces the chance of death, heart attack, or stroke over 3 years.

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 show that routine angiographic follow-up after left main coronary stenting improves long-term outcomes, potentially changing standard care.
What could go wrong
This is an observational study, not a randomized trial, so results may not prove cause and effect. The benefit of extra imaging may be small or outweighed by risks of the procedure.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 400 people

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

Started

Apr 2021

Expected to finish

Apr 2026

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.

Ages

18 to 85 years

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: 18- 85 years at the date of the PCI. * With PCI for presenting de novo lesions in the Left Main Artery by implanting a cobalt-chrome stent with everolimus-eluting fluoropolymer. * Informed consent signed. Exclusion Criteria: * Refusal to participate in the study. * Patients with left main disease who have been admitted with STEMI and have undergone primary angioplasty in a culprit lesion different than the left main. The left main lesion has been treated as a stage procedure and discharged with left ventricular ejection fraction \< 35 %. * Previous coronary surgery. * Creatinine clearance \<40 ml / min. * Contraindication for double antiaggregation after PCI. * Patients life expectancy \<36 months. * Included in other studies or clinical trials. * Pregnant or lactating women.

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Conditions

The condition(s) this trial relates to.

coronary artery disorder Coronary Disease Coronary Occlusion coronary stenosis coronary thrombosis

As listed by the trial registrant

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

Coronary artery disease Coronary artery stenosis Coronary disease Coronary occlusion Left main coronary artery disease

Contacts and locations

Locations

  • Hospital Clinico Universitario Lozano Blesa

    Zaragoza, 50009, Spain

  • Hospital Clinico Universitario de Valencia

    Valencia, 46010, Spain

  • Hospital Clinico Universitario de Valladolid

    Valladolid, 47003, Spain

  • Hospital Clínico Universitario de Santiago de Compostela

    Santiago de Compostela, 15706, Spain

  • Hospital Del Mar

    Barcelona, 08003, Spain

  • Hospital Galdakao-Usansolo

    Galdakao, Vizcaya, 48960, Spain

  • Hospital General Juan Ramón Jiménez

    Huelva, 21005, Spain

  • Hospital General Universitario de Albacete

    Albacete, 02006, Spain

  • Hospital General Universitario de Alicante

    Alicante, 03010, Spain

  • Hospital Universitari Bellvitge

    Barcelona, 08907, Spain

  • Hospital Universitari Germans Trias I Pujol

    Badalona, Barcelona, 08916, Spain

  • Hospital Universitari Vall D'Hebron

    Barcelona, 08035, Spain

  • Hospital Universitario 12 de Octubre

    Madrid, 28041, Spain

  • Hospital Universitario Donostia

    Donostia / San Sebastian, Gipuzkoa, 20014, Spain

  • Hospital Universitario La Paz

    Madrid, 28046, Spain

  • Hospital Universitario La Princesa

    Madrid, 28006, Spain

  • Hospital Universitario Lucus Agusti

    Lugo, 27003, Spain

  • Hospital Universitario Marques de Valdecilla

    Santander, 39008, Spain

  • Hospital Universitario Miguel Servet

    Zaragoza, 50009, Spain

  • Hospital Universitario Ramon Y Cajal

    Madrid, 28034, Spain

  • Hospital Universitario Regional de Malaga

    Málaga, Malaga, 29010, Spain

  • Hospital Universitario Reina Sofia

    Córdoba, 14004, Spain

  • Hospital Universitario San Juan de Alicante

    Alicante, Spain

  • Hospital Universitario Virgen Arrixaca

    Murcia, 30120, Spain

  • Hospital Universitario Virgen de Las Nieves

    Granada, 18014, Spain

  • Hospital Universitario de A Coruña

    A Coruña, 15006, Spain

  • Hospital Universitario de Cabueñes

    Gijón, 33394, Spain

  • Hospital Universitario de Ciudad Real

    Ciudad Real, 13005, Spain

  • Hospital Universitario de Cruces

    Barakaldo, Bizkaia, 48903, Spain

  • Hospital Universitario de León

    León, 24071, Spain

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