This study looks at a treatment for actinic keratosis (AK), which are rough, scaly patches on the skin caused by too much sun. The treatment uses a special gel called Ameluz® and a red light lamp called RhodoLED. This is called photodynamic therapy (PDT). The goal is to see if this treatment is safe and works well. Participants will have between 4 to 15 small AK spots, and they will receive up to 2 PDT treatments over about 12 weeks. They must be willing to stop using certain skin products, avoid too much sun, and be healthy enough to participate.
Key Points:- Participants will attend multiple visits over approximately 12 weeks.
- Participants should not have any allergies to ALA (a substance in the gel) or other skin conditions.
- Women who can have children need a negative pregnancy test and must use effective birth control.
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