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  • Title: Treatment of cutaneous T-cell lymphoma with extracorporeal photopheresis monotherapy and in combination with recombinant interferon alfa: a 10-year experience at a single institution.
    Author: Gottlieb SL, Wolfe JT, Fox FE, DeNardo BJ, Macey WH, Bromley PG, Lessin SR, Rook AH.
    Journal: J Am Acad Dermatol; 1996 Dec; 35(6):946-57. PubMed ID: 8959954.
    Abstract:
    BACKGROUND: Extracorporeal photopheresis is a pheresis-based therapy that permits the direct targeting of psoralen-mediated photochemotherapy to circulating pathogenic T cells. Although photopheresis is currently used to treat cutaneous T-cell lymphoma (CTCL), limited data are available regarding overall response rates and durability of responses among patients with advanced disease. Furthermore, little is known about the effectiveness and tolerability of combined regimens employing other biologic response modifiers including interferon alfa. OBJECTIVE: Our purpose was to determine the efficacy of photopheresis among 41 patients with the clinical and laboratory diagnosis of CTCL; the majority of patients had stage III or IV disease with the presence of circulating malignant T cells. METHODS: A retrospective chart review during a 10-year period at a single university hospital was performed for all patients receiving either photopheresis monotherapy on two consecutive days every 4 weeks (one cycle) and for an additional 12 patients who also received interferon alfa 1.5 to 5 million U subcutaneously three to five times weekly. RESULTS: Thirty-one of 41 patients (76%) were treated for six or more cycles. The remaining 10 were treated with less than six cycles because of rapidly progressing disease (n = 6), death unrelated to CTCL (n = 2), or withdrawal from treatment (n = 1); one of the 10 patients had only received five cycles of treatment but is still receiving therapy. Twenty-eight of the 31 patients treated for six or more cycles received photopheresis alone. Among the 28, seven patients (25%) had a complete remission, 13 (46%) had a partial remission defined as more than 50% clearing of skin disease, and eight (29%) did not respond to treatment. The presence of Sézary cells in the peripheral blood was associated with a favorable response. Median time to treatment failure was 18 months, whereas median survival from initiation of therapy was 77 months and from the time of diagnosis exceeded 100 months. Nine of these 28 patients went on to receive combination therapy with interferon alfa and, in some cases, other agents. Among these nine patients, five had an enhanced clinical response to the combination therapy compared with treatment with photopheresis monotherapy. The combined regimen was well tolerated. CONCLUSION: These results indicate that patients with advanced CTCL can achieve a high response rate for an extended period with photopheresis and that interferon alfa combined with photopheresis is a well-tolerated regimen that appears to produce higher response rates than photopheresis alone.
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