Mail-In breath test could end bad breath diagnosis travel

NCT ID NCT07602309

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Recruitment status, easiest to join first

Recruiting now
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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.
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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 Results may not be published yet.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)

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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

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First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether breath samples collected in special bags remain stable for up to 7 days, which could allow people with bad breath (halitosis) to provide samples from home instead of traveling to a clinic. Researchers will compare gas levels measured right away and after a week in 100 adults with gum disease. If successful, this approach could make diagnosis more accessible and convenient.

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 100 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Jun 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.

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 subject, male or female * Subject affiliated with a health insurance system * Subject able to sign the non-opposition form * Subject attending a consultation at UF8607 for diagnosis and treatment of a periodontal condition Exclusion Criteria: * \- Subject under legal protection (judicial safeguard) * Subject under guardianship or curatorship * Pregnancy or breastfeeding * Inability to provide the subject with informed information (e.g., emergency situation, comprehension difficulties) * Subject currently enrolled in another clinical research protocol or in an exclusion period

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

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  1. The places running it

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  2. The official record

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  3. A doctor treating you

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Contacts and locations

Locations

  • Clinique Dentaire

    Strasbourg, Les Hôpitaux Universitaires de Strasbourg, 6700, France

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