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Shorter PDT may cut pain without losing punch against precancerous spots

NCT ID NCT06027619

Symptom relief Sponsor: Case Comprehensive Cancer Center 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether shorter incubation times for a topical gel (10% ALA) before red-light photodynamic therapy (PDT) could reduce pain while still effectively clearing actinic keratoses (AKs) on the face. Thirty adults with at least 10 AK lesions were randomly assigned to have the gel left on for 10, 20, or 60 minutes before light exposure. The goal was to find a less painful treatment that remains effective.

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

30 people

The number who actually took part.

Started

Oct 2023

Finished

Jul 2024

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

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: * Minimum of 10 actinic keratoses lesions on the face. * Female subjects must not become pregnant during the study * Subjects must be able to understand and willing to sign a written informed consent document. Exclusion Criteria: * Pregnant or nursing. * Using any topical treatment on their AKs; must stop at least one month prior. * Currently undergoing treatment for other cancers with medical or radiation therapy. * Patients with a known hypersensitivity to 5-aminolevulinic acid or any component of the study material. * Patients with history of a photosensitivity disease, such as porphyria cutanea tarda.

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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 keratosis

Contacts and locations

Locations

  • Cleveland Clinic, Dermatology and Plastic Surgery Institute, Case Comprehensive Cancer Center

    Cleveland, Ohio, 44195, United States

More trials for these conditions

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