A Study of the Long-Term Occurrence of Skin Cancer in Patients who were Treated with Phototherapy as a Child


About this study

The purpose of this study is to identify the long-term occurrence of non-melanoma skin cancers in patients who had ultraviolet light therapy as a child in the years 1970 to 2000.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria

  • Received phototherapy at the Mayo Clinic between 1970-2000 that was initiated prior to < 18 years of age
  • Indication of phototherapy was for atopic dermatitis, psoriasis, vitiligo, and pruritus
  • Type of phototherapy was PUVA/UVA, broadband UVB, or narrowband UVB
  • At least 20 years of follow-up regarding development of skin cancer is available via Rochester Epidemiology Project data or survey response

Exclusion Criteria 

  • Declined (or parents declined on their behalf) participation and/or inclusion in Mayo Clinic research studies
  • Underwent blue-U, photodynamic therapy, or phototherapy for neonatal jaundice

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Rochester, Minn.

Mayo Clinic principal investigator

Megha Tollefson, M.D.

Closed for enrollment

More information


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