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  • Title: Evolution of clinical and molecular responses to bexarotene treatment in cutaneous T-cell lymphoma.
    Author: Ballanger F, Nguyen JM, Khammari A, Dréno B.
    Journal: Dermatology; 2010; 220(4):370-5. PubMed ID: 20484880.
    Abstract:
    BACKGROUND: The mechanisms of action of bexarotene are not well understood. METHODS: A retrospective study on patients with cutaneous T-cell lymphoma (CTCL) treated with bexarotene was performed to see if bexarotene could act on the dominant T-cell clones. Thirty-five patients were included. Twenty-three were treated with bexarotene for more than 3 months (300 mg/m(2)). In 7 patients, phototherapy was given with bexarotene. RESULTS: Dominant T-cell clones were observed in 11 patients in peripheral blood and in 19 patients in skin. Our results demonstrate no significant evolution of T-cell clones either in skin or peripheral blood. Furthermore, the detection of T-cell clones in peripheral blood before starting bexarotene was significantly associated with the progression of the disease. UV therapy given with bexarotene significantly improved therapeutic response without any correlation with T-cell clones. CONCLUSION: This is the first study on the evolution of the T-cell clone in blood and skin in CTCL patients during bexarotene therapy.
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