Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Light therapy vs chemical peels: which zaps precancerous spots better?

NCT ID NCT04429308

Disease control Sponsor: Northwestern 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 01, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study compares two treatments for actinic keratoses—rough, scaly spots that can turn into skin cancer—on the arms. One treatment uses a light-sensitizing gel followed by blue light (photodynamic therapy), while the other uses a two-step chemical peel. About 60 adults with spots on both arms will get one treatment on each arm, and doctors will count how many spots clear up after 2 to 8 weeks. The goal is to see which approach works better and is practical for larger studies.

What this could mean

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

Active substance
Photodynamic therapy (aminolevulinic acid plus blue light) and chemical peels (Jessner's solution plus trichloroacetic acid)
What this could lead to
If one treatment proves more effective, it could become a preferred option for clearing precancerous skin spots on the arms.
What could go wrong
This is a small pilot study, so results may not be definitive. Both treatments can cause skin reactions, and the best approach may vary by person.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 60 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

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.

Ages

18 years and older

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: 1. \>18 years of age 2. Interested in receiving treatment for actinic keratoses on the bilateral upper arms 3. In good general health as assessed by the investigator 4. Participants must have the ability to understand and the willingness to sign a written informed consent prior to registration on study Exclusion Criteria: 1. Patient pregnant or nursing 2. Patient with extensive concurrent skin conditions (such as eczema, psoriasis, etc) on upper extremities that would interfere with treatment as determined by the treating physician 3. Subject unwilling to sign an IRB approved consent form 4. Participants who are unable to communicate or cooperate with the investigator due to language problems, poor mental development, or impaired cerebral function are not eligible

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Actinic keratoses are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

actinic keratosis

As listed by the trial registrant

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

Actinic keratoses

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

  • Northwestern University Department of Dermatology

    Chicago, Illinois, 60611, United States

More trials for these conditions

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