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Gum surgery trial cancelled before it began

NCT ID NCT03124329

Disease control Sponsor: University of Southern California 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 aimed to compare different surgical techniques for treating receding gums, including a flap procedure and a tunnel approach, with or without a platelet concentrate. It was designed for 100 adults with multiple gum recessions. However, the trial was withdrawn before enrolling any participants, so no data or results are available.

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.

Started

May 2017

Finished

Jun 2019

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 70 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: * Male and female individuals between ages of 18 to 70 years old * Multiple contiguous gingival recession defects on a minimum of two adjacent teeth, exhibiting 3mm or more recession on at least one of those teeth * No prior surgical treatment in the sites planned for therapy * Minimum of 2 mm of keratinized gingiva * Absence of cervical restorations extending to the CEJ * Miller class 1, 2 and 3 recession defects will be included * Availability to undergo treatment and return for follow up visits at specified post-operative intervals Exclusion Criteria: * Molar teeth * Milller Class 4 recession defects * Pregnancy (Self-reported) * Smoking * Uncontrolled local or systemic diseases that affects wound healing (diabetes, autoimmune or inflammatory disorders) * Past history of systemic steroid use over 2 weeks within the last 2 years * Poor oral hygiene on a non-compliant individual * Ibuprofen Allergy/interlerance * Anticoagulant therapy (e.g. Warfarin, Plavix, etc.), will not be automatic exclusion but patients will be required to have INR test performed and have values between 2.0 to 3. Physician consultation will be requested to determine whether anticoagulant therapy can be discontinued for 3 days prior to surgery. * Objection to blood draw or application of blood products * Students and staff from USC Ostrow school of Dentistry will not be recruited for this study

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Conditions

The condition(s) this trial relates to.

gingival recession

As listed by the trial registrant

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

Gingival recession

Contacts and locations

Locations

  • University of Southern California

    Los Angeles, California, 90089, United States

More trials for these conditions

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