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Prospective Stage-Stratified histopathologic study and proposed Disease-Evolution model of gluteal permanent synthetic filler complications

NCT ID NCT07808970

NEW Sponsor: Research Inc Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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.
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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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 09, 2026

Summary

This prospective biospecimen cohort will collect and analyze tissue from adults undergoing clinically indicated surgery for gluteal permanent synthetic filler disease. Two blinded pathologists will score foreign material burden, inflammation, fibrosis, necrosis, vascular and lymphatic injury, and deep-tissue involvement. Histopathologic severity will be compared across clinical-radiologic stages and time since injection. The study will propose a cross-sectional disease-evolution framework and assess the reproducibility of the scoring system.

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.

Participants

About 200 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adults undergoing biopsy or surgical removal of gluteal tissue affected by permanent synthetic filler, spanning early exposure through advanced disease with ulceration or necrosis.

Ages

18 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: Age 18 years or older. * Prior gluteal injection of a permanent or unknown nonresorbable filler. * Clinically indicated biopsy or surgical excision yielding tissue suitable for histopathologic evaluation. * Available history of approximate injection date and standardized preoperative clinical staging. * Written consent for tissue analysis and optional future use of deidentified specimens. Exclusion Criteria: * Specimen composed only of scar or skin without tissue from the filler-affected region. * Insufficient tissue quality for routine histology. * Acute bacterial infection that precludes distinction of the underlying chronic tissue response unless infection is itself a prespecified advanced-stage feature. * Prior oncologic radiation to the sampled gluteal region. * Declined consent for research use of surgical tissue.

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Conditions

The condition(s) this trial relates to.

Fat Necrosis Fibrosis Foreign-Body Reaction Granuloma, Foreign-Body

As listed by the trial registrant

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

Foreign-body reaction Gluteal permanent synthetic filler disease Granulomatous disease Soft tissue necrosis lower limb

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Clinica Bioforma

    Medellín, Antioquia, Colombia

    Contact Email: •••••@•••••

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