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Acne scar showdown: injections vs threads

NCT ID NCT07523217

Disease control Sponsor: Zagazig 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Sep 18, 2026 · Updated 1 time

Summary

This study tests two methods of delivering Poly-L-lactic acid (PLLA) to treat atrophic acne scars. In 24 adults, one side of the face gets PLLA threads in a single session, while the other side gets two sessions of injectable PLLA. Researchers will compare scar improvement and safety over 3 months.

What this could mean

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

Active substance
Poly-L-lactic acid (PLLA)
What this could lead to
If this works, it could point toward a better way to treat acne scars with fewer sessions and longer-lasting results.
What could go wrong
This is a very small, early study with only 24 people and a short 3-month follow-up. Results may not apply to everyone, and the treatment may not work better than existing options.

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 52 people

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

Started

Mar 2026

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

18 to 40 years

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: * included adult patients (≥18 years) of both sexes presenting with clinically diagnosed atrophic acne scars (Grades 2-4 according to the Goodman and Baron classification) Exclusion Criteria: * active acne lesions, pregnancy or lactation, bleeding disorders, keloid tendency, systemic diseases affecting wound healing, recent acne scar treatment within the past six months, and known hypersensitivity to PLLA components.

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As listed by the trial registrant

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

Atrophic acne scarring

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

  • Zagazig University Hospitals

    RECRUITING

    Zagazig, Sharqia Province, 2543, Egypt