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Arch Dermatol. 1998 Aug;134(8):1001-5.

Extracorporeal photopheresis in Sézary syndrome. No significant effect in the survival of 44 patients with a peripheral blood T-cell clone.

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1
St John's Institute of Dermatology (United Medical School of Guy's Hospital), London, England.

Abstract

BACKGROUND:

Several retrospective studies have claimed that extracorporeal photopheresis (ECP) prolongs survival in patients with erythrodermic cutaneous T-cell lymphoma. In a retrospective study of 44 patients with Sézary syndrome, we compared survival in patients treated with ECP with that of patients treated conventionally at the same institute. All patients had genotypic evidence of a peripheral blood T-cell clone.

OBSERVATIONS:

Twenty-nine patients received ECP (group 1); 15 patients did not receive ECP, 8 patients when ECP was available (group 2) and 7 before ECP was available (group 3). Forty-three of 44 patients received other conventional treatments. Median survival from diagnosis of Sézary syndrome was 39 months in group 1, 22 months in group 2, and 27.5 months in group 3 (Kaplan-Meier analysis). Cox regression analysis showed no significant difference between the 3 groups after correcting for age, sex, and initial Sézary cell count (hazard ratio, 0.56; 95% confidence interval, 0.26-1.17; P = .12).

CONCLUSIONS:

This study does not support the contention that ECP prolongs survival in patients with Sézary syndrome. The median survival in the ECP-treated group is considerably less than that reported in other published series, possibly because genotypic evidence of clonality in the peripheral blood was required for inclusion in this study. We believe that a randomized trial comparing ECP with standard chemotherapy is urgently needed.

PMID:
9722731
[Indexed for MEDLINE]
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