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Eur J Haematol. 2015 Oct;95(4):325-30. doi: 10.1111/ejh.12492. Epub 2015 Feb 10.

Efficacy and safety of low-dose lenalidomide plus dexamethasone in patients with relapsed or refractory POEMS syndrome.

Author information

1
Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

Abstract

Although autologous stem cell transplantation or melphalan-based chemotherapy has significantly improved the prognosis of POEMS syndrome, a few patients will relapse or be refractory to primary therapy, and there is a lack of studies regarding these patients. In this study, we used low-dose lenalidomide (10 mg daily) and dexamethasone (40 mg, once weekly) to treat twelve patients with relapsed (n = 8) or refractory (n = 4) POEMS syndrome. After a median follow-up time of 20 months, the overall hematologic response rate was 77% with 44% having a complete response. Eight (67%) patients had neurological response, and the median overall neuropathy limitation scale score was reduced from 3 (range, 1-9) to 2 (range, 0-6). Serum vascular endothelial growth factor response rate was 91% and 46% of patients had normal serum VEGF levels. One patient had progression of the disease 3 months after the end of treatment and subsequently died from the disease. Therefore, the estimated 2 year overall survival and progression-free survival were 92%. The low-dose lenalidomide and dexamethasone regimen was well tolerated, with no treatment-related death or any grade 3 or 4 toxicity. In conclusion, low-dose lenalidomide plus dexamethasone therapy is an effective and safe regimen for patients with relapsed or refractory POEMS syndrome.

KEYWORDS:

POEMS syndrome; lenalidomide; relapsed or refractory; vascular endothelial growth factor

PMID:
25401269
DOI:
10.1111/ejh.12492
[Indexed for MEDLINE]

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