Could a Mail-In breath test diagnose bad breath?
NCT ID NCT06483646
First seen Aug 19, 2026 · Last updated Aug 20, 2026 · Updated 1 time
Summary
This study explores whether gas samples from the mouth can be collected and analyzed up to 7 days later to diagnose halitosis (bad breath). Researchers will take breath samples from 100 adults with gum disease and measure volatile sulfur compounds—the molecules responsible for bad breath—at different time points. The goal is to see if patients could collect samples at home and send them to a lab, avoiding the need for specialized equipment at every clinic.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Gaseous sampling of oral cavity using a 1ml plastic syringe
- What this could lead to
- If stable, patients could collect breath samples at home and mail them for analysis, making halitosis diagnosis more accessible.
- What could go wrong
- This is a small, early-stage study focused on sample stability, not a treatment. Results may not reflect real-world conditions or lead to a commercial test.
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
-
100 people
The number who actually took part.
- Started
-
Oct 2024
- Finished
-
Aug 2026
- 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 Hide 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, male or female * Subject affiliated with a social health insurance plan * Able to understand the objectives and risks of the research and to give dated and signed informed consent * Subject presenting for consultation for diagnosis and treatment of periodontal pathology Exclusion Criteria: * Subject under safeguard of justice * Subject under guardianship or curatorship * Pregnancy or breast-feeding * Impossibility of giving the subject informed information (subject in emergency situation, difficulties in understanding the subject, etc.) * Subject currently included in another clinical research protocol or in an exclusion period
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Halitosis are added.
By submitting, you agree to our Terms of use
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.
Contacts and locations
Locations
-
Clinique dentaire
Strasbourg, 67000, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can years of dental school keep your breath fresh?
- Could a new mouthwash help kids with braces fight plaque and bad breath?
- Mail-In breath test could end bad breath diagnosis travel
- Good bacteria lozenges aim to fight gum disease and bad breath
- Denture Wearers' hygiene habits under the microscope
- Whitening serum may freshen breath and moisturize mouth