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Finger-Prick test could speed up carbon monoxide diagnosis

NCT ID NCT06641752

Diagnosis Sponsor: Nantes University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study checks if a simple finger-prick blood test can accurately detect carbon monoxide poisoning, compared to the usual blood draw from a vein or artery. Researchers will enroll 120 adults with suspected poisoning at an emergency department. If the finger-prick test works well, it could make diagnosis faster and less painful.

What this could mean

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

Active substance
blood drop sampling (capillary sampling)
What this could lead to
If successful, this could allow faster, less invasive diagnosis of carbon monoxide poisoning using a simple finger-prick test.
What could go wrong
This is a small, early diagnostic study (120 participants) and may not prove accurate enough to replace standard testing. Results may not apply to all patients.

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 120 people

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

Started

Feb 2025

Expected to finish

Feb 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

The study population will consist of patients admitted to adult emergency departments with suspected carbon monoxide intoxication.

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: * Adult patient admitted to emergency department * Presenting one or more clinical signs (asthenia, headache, nausea, vomiting, loss of consciousness, etc.) and a history compatible with CO intoxication (collective symptoms, notion of smoke, activation of a detector, etc.). Exclusion Criteria: * Minors * Patients under protective supervision (safeguard of justice, curatorship, guardianship) * Incarcerated patients * Pregnant or breast-feeding women * Patients refusing to take part in the study

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Conditions

The condition(s) this trial relates to.

carbon monoxide poisoning

As listed by the trial registrant

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

Carbon monoxide intoxication

How to take part

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

  1. The places running it

    2 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

  • CHU d'Angers

    RECRUITING

    Angers, Loire-Atlantique, 49100, France

  • Nantes University Hospital

    RECRUITING

    Nantes, Loire-Atlantique, 44000, France

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