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New collagen patch could replace painful gum grafts

NCT ID NCT07437417

Disease control Sponsor: University of Bern 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a new collagen matrix can work as well as a traditional gum graft for covering exposed tooth roots. Sixty adults who had braces and now have gum recession will receive either the collagen matrix or a graft taken from the roof of their mouth. The goal is to see if the collagen option reduces pain and still covers the recession effectively.

What this could mean

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

Active substance
volume stable collagen matrix
What this could lead to
If successful, this could offer a less painful alternative to gum graft surgery for treating gum recession.
What could go wrong
This is a small, early-stage trial with only 60 participants, so results may not apply to everyone. The new collagen matrix may not work as well as the standard graft.

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 60 people

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

Started

Sep 2025

Expected to finish

Aug 2030

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 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Written informed consent * Healthy patients referred to the clinic for recession coverage * Miller Class I, II or III facial gingival recession (GR) defect, \>3 mm, located on the buccal of the maxillary or mandibular canine and incisor area. Exclusion Criteria: * History of diseases with hypocoagulability, instable diabetes mellitus, post-irradiation in the head and neck area, infectious diseases or heart diseases that need prophylactic antibiosis before dental treatments or a medication with effect on the gingiva: Ciclosporin A, compounds of Phenytoin, calcium channel blockers, pregnant or breastfeeding patients

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Conditions

The condition(s) this trial relates to.

connective tissue disorder gingival recession

As listed by the trial registrant

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

Connective tissue defect Gingival recession

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

    RECRUITING

    Bern, 3010, Switzerland

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