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New light approach eases treatment for kids with birthmarks

NCT ID NCT07353385

Symptom relief Sponsor: Second Affiliated Hospital of Xi'an Jiaotong University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looked at two different ways to use light therapy (photodynamic therapy) for treating port-wine stains—a type of birthmark—in 33 children aged 3 to 12. One group got a lower-power light for a longer time, and the other got a higher-power light for a shorter time. Both methods worked equally well at fading the stains, but the lower-power setting caused less pain during treatment.

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

33 people

The number who actually took part.

Started

Jul 2024

Finished

Jun 2025

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

3 to 12 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: ·Clinical diagnosis of port-wine stain (PWS). Exclusion Criteria: * concurrent syndromes such as Sturge-Weber or Klippel-Trenaunay syndrome; * a history of previous radiotherapy, photodynamic therapy, or any other intervention in the treatment area that might confound efficacy evaluation; * a known diagnosis of cutaneous photosensitivity, porphyria, or hypersensitivity to porphyrin-based drugs; * administration of photosensitizing medications, including but not limited to griseofulvin, retinoids, thiazide diuretics, sulfonamides, and tetracyclines, within 4 weeks prior to the study.

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Conditions

The condition(s) this trial relates to.

capillary hemangioma capillary malformation familial multiple nevi flammei

As listed by the trial registrant

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

Port wine stains

Contacts and locations

Locations

  • The Second Affiliated Hospital of Xi'an Jiao Tong University

    Xi’an, Shanxi, 710004, China

More trials for these conditions

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