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Can we predict sudden cardiac arrest in heart disease patients?

NCT ID NCT06804499

Knowledge-focused Sponsor: Tampere Heart Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 25, 2026 · Last updated Aug 26, 2026 · Updated 1 time

Summary

This observational study aims to uncover clinical and genetic risk factors for sudden cardiac arrest and death in patients with coronary artery disease (CAD). Researchers will follow about 4,000 participants who have been diagnosed with CAD, collecting data from surveys, ECG recordings, physiological tests, and blood samples. The goal is to identify which patients under 75 are at higher risk, potentially leading to better prevention strategies. No follow-up visits are required; medical records will be used to track outcomes.

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 lead to better ways to identify which coronary artery disease patients are at higher risk of sudden cardiac arrest, potentially saving lives through earlier prevention.
What could go wrong
This is an observational study, so it cannot prove cause and effect. The findings may not apply to all populations, and genetic discoveries may take years to translate into practical screening tools.

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 4,000 people

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

Started

Jan 2025

Expected to finish

Dec 2042

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

The study will recruit adult patients diagnosed with coronary artery disease (CAD) who are living in the Wellbeing Services County of Pirkanmaa. CAD must be with an invasive coronary angiogram or computed tomography angiogram (CTA), which cardiologists evaluate based on current guidelines for stenosis level evaluation and fractional flow reserve (FFR) results. An invasive coronary angiogram or CTA must be done within three (3) months before recruitment. The study subjects must have a good or moderate everyday functional ability.

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: 1. Age \> 18 years 2. A patient who lives in the area of 'Wellbeing Services County of Pirkanmaa' and seeks treatment for coronary artery disease (CAD). 3. CAD is diagnosed with invasive coronary angiogram or computed tomography angiogram (CTA) which is evaluated by cardiologists based on current guidelines for stenosis level evaluation and fractional flow reserve (FFR) results. 4. An invasive coronary angiogram or CTA is done within three (3) months. 5. Good or moderate everyday functional ability Exclusion Criteria: 1. Life expectancy \<1 months. 2. A significant valvular heart disease treated previously (endovascular or surgical) or requires treatment (endovascular or surgical) in the next three (3) months. 3. Previously implanted cardioverter-defibrillators (ICD) or will be implanted in the next three (3) months. 4. An active malignancy (ongoing treatment for a solid tumour, metastatic solid tumour, fast progressing haematological malignancy, or equal malignant disease). 5. A significant neurodegenerative disease (dementia, Mini-Mental State Examination (MMSE) \<23 or equivalenneurodegenerative disease affecting everyday functional ability, like ALS, myositis, prograded MS-disease or Parkinson's disease). 6. Intellectual disability or a significant disability affecting cognitive functions 7. Do-not-resuscitate (DNR) treatment decision Subgroup with blood samples: Blood samples are withdrawn from all study subjects under 76 years of age. Additionally, PaxGene samples are withdrawn from i) all study subjects under 65 years of age and ii) subjects between 65-76 years, if they have detected QRS-time\>110ms in the latest ECG.

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Conditions

The condition(s) this trial relates to.

acute coronary syndrome coronary artery disorder Death, Sudden, Cardiac sudden arrhythmia death syndrome sudden cardiac arrest

As listed by the trial registrant

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

Acute coronary event Coronary arterial disease (CAD) Sudden cardiac arrest Sudden cardiac death Sudden cardiac death due to cardiac arrhythmia

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

  • Tampere University Hospital Tampere Heart Centre

    RECRUITING

    Tampere, Pirkanmaa, 33100, Finland

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