Photopheresis has emerged as one of the most effective treatment options for a number of autoimmune diseases, chronic graft versus host disease, solid organ transplant rejections, and advanced cutaneous T-cell lymphoma in the past few years. The therapy, which was approved by FDA in 1988, is being largely considered as the first line of treatment for a number of diseases owing to benefits such as low rate of side effects, better safety, and efficacy as compared to other drug treatments.

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