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Heart bypass artery harvesting methods put to the test in small pilot

NCT ID NCT07599553

Knowledge-focused Sponsor: Ottawa Heart Institute Research Corporation Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Sep 09, 2026 · Updated 2 times

Summary

This pilot study tests whether a larger trial comparing two methods of harvesting the left internal mammary artery (LIMA) for heart bypass surgery is feasible. About 35 adults having planned bypass surgery will be randomly assigned to either the skeletonized method (isolating the artery alone) or the standard non-skeletonized method (taking the artery with surrounding tissue). The study will measure how well patients can be recruited, how well surgeons follow the assigned technique, and whether follow-up data (including a CT scan at one year) can be collected successfully. This is a feasibility study, not designed to determine which method is better.

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 35 people

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

Started

Aug 2026

Expected to finish

Jun 2028

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 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 18 years or older * Undergoing isolated CABG surgery with median sternotomy and a planned LIMA-LAD graft. * Provision of written informed consent. Exclusion Criteria: * Non-sternotomy surgical approach (e.g., minimally invasive, thoracotomy) * Emergency surgery (defined as surgery required within 24 hours or presentation * History of prior ternotomy * Currently receiving systemic antibiotics or with an active bacterial infection at the time of surgery * History of chronic sternal pain prior to the index surgery. * Known left subclavian artery stenosis (\>50%) * Previous radiation therapy to the chest * Known allergy or contraindication to iodinated contrast media that cannot be managed with premedication. * Estimated glomerular filtration rate (eGFR) \<30 ml/min/1.73m2 at baseline (relative contraindications to CTA contrast). The eGFR will be determined by each participating institution according to their standard practice.

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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.

Graft patency

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

  • University of Ottawa Heart Institute

    RECRUITING

    Ottawa, Ontario, K1Y 4W7, Canada

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