Mouthwash showdown: can hydrogen peroxide rinse beat gum disease?
NCT ID NCT07270705
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a hydrogen peroxide mouth rinse called OROXID can help treat gingivitis, a common gum inflammation. About 90 adults with mild gum disease will use the rinse twice daily for 4 weeks, alongside regular brushing. Researchers will measure changes in gum inflammation, plaque, and bleeding to see if it works better than brushing alone.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- hydrogen peroxide mouth rinse (OROXID)
- What this could lead to
- If it works, this could provide a simple, over-the-counter option to help manage gingivitis and prevent it from worsening.
- What could go wrong
- This is a small, early-stage trial with only 90 people. Results may not apply to everyone, and hydrogen peroxide can sometimes irritate gums or cause sensitivity.
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
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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
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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May 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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: 1. Systemically healthy participants aged 18 years or older. 2. Presence of at least 20 natural teeth. 3. Probing pocket depth less than or equal to 3 mm. 4. Presence of bleeding on probing in more than 10% of sites. 5. Mean Gingival Index (Silness \& Löe) of at least 1. 6. Ability and willingness to follow oral hygiene instructions after the intervention. 7. Signed informed consent form after being informed about the study. Exclusion Criteria: 1. Periodontal treatment within the last three months. 2. Diagnosis of periodontitis. 3. Use of mouth rinses or oral gels within the last month. 4. Use of antibiotic therapy within the last three months. 5. Known allergy or hypersensitivity to any components of the investigational products. 6. Ongoing treatment with antihypertensive, antilipemic, antiarrhythmic, or other cardiovascular medications. 7. Presence of systemic diseases such as diabetes, HIV/AIDS, liver disease, chronic kidney disease, tuberculosis, or autoimmune disorders (e.g., lupus, scleroderma, Crohn's disease). 8. Use of immunosuppressive medications. 9. Ongoing orthodontic treatment, fixed orthodontic appliance, or removable denture. 10. Pregnant or breastfeeding women. 11. Smokers.
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Genom att skicka in godkänner du våra Användarvillkor
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
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Locations
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Klinika Križaj Ljubljana
RECRUITINGLjubljana, 1000, Slovenia
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Ustna medicina d.o.o.
RECRUITINGLjubljana, 1000, Slovenia
Contact Email: •••••@•••••
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