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Can a hyaluronic acid gel help Smokers' gums heal better?

NCT ID NCT07597213

Disease control Sponsor: Marmara University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Aug 19, 2026 · Updated 3 times

Summary

This study tests whether adding hyaluronic acid gel to standard deep-cleaning treatment improves gum healing in smokers with advanced periodontitis. Twenty-three smokers will receive the standard cleaning, then some gum pockets will also get the gel. Researchers will measure gum pocket depth, attachment levels, and markers of inflammation and bacteria over six months.

What this could mean

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

Active substance
hyaluronic acid gel
What this could lead to
If it works, this could point toward a simple add-on treatment to improve gum healing in smokers with periodontitis.
What could go wrong
This is a very small early study (23 people) with no blinding, so results may not be reliable or apply to non-smokers. The benefit may be minimal or absent.

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 23 people

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

Started

Jul 2026

Expected to finish

Jul 2028

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 to 65 years

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: 1. Individuals who sign the informed consent form 2. Participants who are systemically healthy 3. Participants who smoke (for \>5 years and ≥10 cigarettes per day) 4. Participants diagnosed with Stage III or Stage IV periodontitis 5. Participants with at least 20 natural teeth present in the mouth (excluding third molars) 6. Participants with two non-adjacent interproximal sites in each quadrant of either jaw, presenting probing depth (PD) and clinical attachment level (CAL) ≥6 mm, and with no caries, restorations, or furcation involvement Exclusion Criteria: 1. Individuals who do not sign the informed consent form 2. Individuals having any systemic disease 3. Participants who have used antibiotics within the last 3 months 4. Participants who have received any periodontal treatment within 6 months prior to the study 5. Participants who are pregnant or lactating

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Conditions

The condition(s) this trial relates to.

periodontitis

As listed by the trial registrant

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

8-ohdg Hyaluronic acid Metallothionein Oral microbiota Oxidative stress Periodontal therapy Periodontitis

How to take part

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

  1. The places running it

    1 site. 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

  • Department of Periodontology, Faculty of Dentistry, Marmara University

    RECRUITING

    Istanbul, Turkey (Türkiye)

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