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A quick scoring tool may help emergency call centers spot the most dangerous chest pain cases

NCT ID NCT06859021

Diagnosis Sponsor: Centre Hospitalier le Mans Source: ClinicalTrials.gov ↗

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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.
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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 Results may not be published yet.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
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First seen Sep 08, 2026 · Last updated Sep 09, 2026 · Updated 1 time

Summary

This study tests whether the HAR score, a simple tool based on history, age, and risk factors, can help emergency dispatchers decide how urgently to respond to chest pain calls. Researchers will follow about 800 adults who call emergency services with non-traumatic chest pain in three French regions. Each caller gets a follow-up call 30 days later to check for major heart events, and the team compares the score's predictions with what actually happens.

What this could mean

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

Active substance
HAR score as a decision-support tool for emergency call dispatchers
What this could lead to
If the HAR score works, it could help emergency dispatchers send help faster to high-risk chest pain callers and reduce delays for those needing urgent care.
What could go wrong
This is a validation study, not a treatment trial. The score may not prove accurate enough in real-world calls, and the results depend on how well dispatchers apply it.

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 796 people

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

Started

Dec 2025

Expected to finish

Jul 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 calling center 15 for chest pain

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: * Patient of legal age (≥ 18 years) * Calling Center 15 from 49, 72 or 37 * Expressing non-traumatic chest pain, even if this is not the main reason for seeking help. Exclusion Criteria: * Treatment in departments other than 49, 72 and 37 * Poor understanding of the French language * Non-affiliated or non-beneficiary of a social security scheme * Person deprived of liberty by judicial or administrative decision * Person under forced psychiatric care * Person subject to a legal protection measure * Person unable to express his/her non-opposition. * Follow-up at Day 30 impossible for any reason * Person having expressed his/her opposition to the collection of his/her data.

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Conditions

The condition(s) this trial relates to.

Chest Pain

As listed by the trial registrant

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

Chest pain

How to take part

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

  1. The places running it

    3 sites. 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

  • CHRU de Tours

    RECRUITING

    Tours, 37000, France

  • Centre Hospitalier Le Mans

    RECRUITING

    Le Mans, 72000, France

  • Centre Hospitalier Universitaire d'Angers

    RECRUITING

    Angers, 49000, France

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