Prophylactic Photodynamic Therapy to Organ Transplant Patients

To evaluate a possible prophylactic efficacy of photodynamic therapy on the incidence of non-melanoma skin cancer, actinic keratoses, warts and keratoses in recently organ transplanted recipients.

Inclusion Criteria:

• Organ transplant recipients.
• Age 40 years or older.

Exclusion Criteria:

• Patients younger than 40 years and older than 70 years.
• Clinical signs of skin cancer, actinic keratoses or warts at the time of inclusion.
• Previous photodynamic therapy to the skin areas investigated.
• Pregnancy or breast feeding patients.
• Patients with porphyria.
• Patients with a tendency to produce hypertrophic scars or keloids.
• Patients with known allergy to Metvix.
• Patients who are not considered able to follow the treatment protocol (e.g. severely alcoholic patients, dementia patients, mentally ill patients etc.).