Controlled Study of the Occurrence of Actinic Keratosis on the Face After Cryotherapy + Aminolevulinic Acid (ALA) Photodynamic Therapy
Conditions
Interventions
- DRUG: Aminolevulinic Acid
- DRUG: Topical Solution Vehicle
- DEVICE: BLU-U
- PROCEDURE: Cryotherapy
Sponsor
DUSA Pharmaceuticals, Inc.