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Light therapy takes on gum disease: new hope for saving teeth?

NCT ID NCT02030470

Disease control Sponsor: University Hospital, Strasbourg, France Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Updated 1 time

Summary

This study tested a light-activated treatment called Fotosan®630 for severe gum disease (periodontitis). The goal was to see if it could reduce deep gum pockets and infection better than standard care. The trial involved 36 adults with severe chronic periodontitis and followed them for 6 months.

What this could mean

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

Active substance
Fotosan®630 (a light-activated gel and LED lamp)
What this could lead to
If it works, this could offer a new way to control gum infection and reduce tooth loss in people with severe periodontitis.
What could go wrong
This is a small, completed phase 4 trial with only 36 participants. The added benefit of photodynamic therapy is still debated, and results may not apply to all patients.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

36 people

The number who actually took part.

Started

Jun 2014

Finished

Mar 2018

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

40 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: * aged 40 years * signed informed consent * generalized severe chronic periodontitis * patient with at least 24 teeth * more than 30% of sites with clinical attachment loss \>5mm- at least 5 sites with pocket depth \>4mm per quadrant- at least one molar per quadrant- evidenced bone loss on radiographs- bleeding on probing ≥30% Exclusion Criteria: * aggressive periodontitis * smoking more than 10cig/day * patient with endocarditis risk or need of antibiotic prophylaxis * pregnant women * patient included in other trials * patient under guardianship * patient treated with antibiotics, anti-inflammatory, and other drugs (inhibitors of calcium channels…) influencing periodontal status within 6 months before examination * patient suffering from diseases influencing periodontal status (diabetes…) * patient periodontally treated with root planing or periodontal surgery within 1 year before examination * patient with scheduled extensive prosthetic treatment * patient with a high haemorrhagic risk (INR\>4) * impossible patient cooperation

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Conditions

The condition(s) this trial relates to.

chronic periodontitis periodontitis

As listed by the trial registrant

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

Periodontitis

Contacts and locations

Locations

  • Service de parodontologie

    Strasbourg, Alsace, 67000, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.