Vitamin D as a Nutritional Neoadjuvant During Photodynamic Therapy of Basal Cell Carcinoma

The daily dose of D3 will always be 10,000 IU/day. Total amounts of D3 supplementation given will be adjusted, based upon serum 25-hydroxy-D3 levels found at baseline. Duration of pretreatment will be 14 days if the D3 level is \< 31 ng/mL, and 5 days if the D3 level is \> 31 ng/mL

Photodynamic Therapy (PDT) is an experimental technique that works by combining a photosensitizing topical agent and an intense light source to kill tumor cells.

2,000 IU/d for adults, 1,000 IU/d for children taken after third visit.