Short-incubation Levulan Photodynamic Therapy Versus Vehicle for Face/Scalp Actinic Keratosis (AK)
Conditions
Interventions
- DRUG: Broad Area ALA 1-hour incubation
- DRUG: Broad Area ALA 2 hour incubation
- DRUG: broad area ALA 3-hour incubation
- DRUG: Spot ALA 2 hour incubation
- DRUG: Vehicle PDT
- DEVICE: Blue Light Treatment
Sponsor
DUSA Pharmaceuticals, Inc.