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Plasma zaps scars: new device aims to smooth skin

NCT ID NCT07548593

Symptom relief Sponsor: First Affiliated Hospital, Sun Yat-Sen University 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 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 Results may not be published yet.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.
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This status has not been confirmed recently, so it may be out of date.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 will see if adding a cold plasma device to standard scar care helps improve scars like keloids, burn scars, and acne scars. About 800 people will take part, with half getting standard care plus plasma and half standard care alone. Researchers will track changes in scar appearance, itching, pain, and thickness over 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
cold atmospheric plasma device
What this could lead to
If it works, this could offer a new, non-invasive option to improve scar appearance, reduce itching and pain, and boost patient satisfaction.
What could go wrong
This is an observational study, not a randomized controlled trial, so results may be less reliable. The device is still being tested, and benefits may vary by scar type.

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 800 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

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.

Who is studied

The study population will be recruited from patients presenting with various types of scars (hypertrophic scars, keloids, atrophic scars, postoperative scars, burn scars, post-traumatic scars, post-acne scars) at the burn units, plastic surgery departments, or dermatology departments of 10 participating tertiary hospitals across China. Eligible participants are those who require scar management and meet the inclusion criteria. Patients in the plasma device group will be enrolled prospectively from those receiving standard scar care plus plasma device therapy as part of their routine clinical care. Control group participants will be derived from either: (1) concurrent patients receiving standard scar care alone at the same centers, or (2) retrospectively identified patients from medical records who received standard scar care without plasma therapy. Propensity score matching will be applied to balance baseline characteristics between the two groups. No special restrictions on gender,

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Clinical diagnosis of scar requiring therapeutic intervention, including but not limited to hypertrophic scar, keloid, atrophic scar, postoperative linear scar, burn scar, post-traumatic scar, or post-acne scar. * Scar duration ≥ 3 months, in stable or proliferative phase. * Age ≥ 12 years (for minors under 18 years, informed consent must be provided by a parent or legal guardian). * Stable vital signs and able to tolerate scar treatment. * Understand and willing to participate and able to provide signed informed consent. Exclusion Criteria: * Active infection, ulceration, or malignant tumor involving the scar area. Severe uncontrolled systemic disease or major organ dysfunction (heart, lung, brain, etc.). * Psychiatric disorder that prevents compliance with treatment. * Presence of diseases (malignant tumor, autoimmune disease) or use of medications (high-dose corticosteroids: ≥40 mg prednisone or equivalent per day for ≥2 weeks) that may affect scar healing or assessment. * HIV positivity, clinical diagnosis of AIDS, or absolute neutrophil count (ANC) \< 1000 cells/mm³ during screening. * Pregnancy or breastfeeding. * Previous treatment of the scar area (e.g., laser, injection, surgery) without a washout period of ≥3 months.

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Conditions

The condition(s) this trial relates to.

injury keloid

As listed by the trial registrant

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

Wound healing

How to take part

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  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

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More trials for these conditions

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