Patients receive PEG-interferon alfa-2b subcutaneously once weekly for 12 months in the absence of disease progression or unacceptable toxicity. Patients also receive UV light therapy (either PUVA or NB-UVB).
Health-related quality of life is assessed periodically using the FACT-BRM, FACT-G, and FACT-CTCL questionnaires.
After completion of study therapy, patients are followed for 1 year.