Gum disease bone repair: which treatment works better?
NCT ID NCT07589959
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two treatments for repairing bone damage from advanced gum disease. About 40 adults with deep gum pockets will receive either a combination of hyaluronic acid and polynucleotides (Regenfast) or enamel matrix proteins (Emdogain), both with a bone graft material. The goal is to see which approach better helps regrow bone and improve gum health over 5 years.
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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 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 2031
An estimate. End dates often move.
- Lead sponsor
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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
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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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged 18 years or older * Non-smokers or light smokers (fewer than 10 cigarettes per day) * No diabetes or well-controlled diabetes * At least one infrabony periodontal defect ≥ 3 mm in depth * Periodontal pocket depth ≥ 6 mm at baseline (after initial treatment) * Full-mouth plaque and bleeding scores ≤ 20%, ≤15% at re-evaluation * Ability and willingness to attend follow-up visits for 1, 3, and 5 years * Teeth included in the study must be healthy from an endodontic point of view or properly root-treated Exclusion Criteria: * Pregnant or breastfeeding women * Patients with weakened immune systems or significant systemic diseases * Heavy smokers (more than 10 cigarettes per day) * Full-mouth plaque or bleeding scores \>20%, \>15% * Current alcohol or drug abuse * Patients who have received periodontal treatment within the last 6 months * Patients unwilling or unable to attend follow-up visits required for the study
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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
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
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The official record
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A doctor treating you
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Contacts and locations
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Study contacts
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Contact
Email: •••••@•••••
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Other studies related to the condition(s) this trial covers.
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