Quantification of clonal circulating plasma cells in relapsed multiple myeloma

被引：78

作者：

Gonsalves, Wilson I. ^{[1
]}

Morice, William G. ^{[2
]}

Rajkumar, Vincent ^{[1
]}

Gupta, Vinay ^{[1
]}

Timm, Michael M. ^{[2
]}

Dispenzieri, Angela ^{[1
]}

Buadi, Francis K. ^{[1
]}

Lacy, Martha Q. ^{[1
]}

Singh, Preet P. ^{[1
]}

Kapoor, Prashant ^{[1
]}

Gertz, Morie A. ^{[1
]}

Kumar, Shaji K. ^{[1
]}

机构：

[1] Mayo Clin, Div Hematol, Rochester, MN 55905 USA

[2] Mayo Clin, Dept Lab Med & Pathol, Rochester, MN 55905 USA

来源：

BRITISH JOURNAL OF HAEMATOLOGY | 2014年 / 167卷 / 04期

基金：

美国国家卫生研究院;

关键词：

circulating plasma cells; multiple myeloma; survival; RISK STRATIFICATION; PERIPHERAL-BLOOD; FLOW-CYTOMETRY; SURVIVAL; THERAPY; TRANSPLANTATION; CHEMOTHERAPY; PROGRESSION; IMPACT; TUMOR;

D O I：

10.1111/bjh.13067

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

The presence of clonal circulating plasma cells (cPCs) remains a marker of high-risk disease in newly diagnosed multiple myeloma (MM) patients. However, its prognostic utility in MM patients with previously treated disease is unknown. We studied 647 consecutive patients with previously treated MM seen at the Mayo Clinic, Rochester who had their peripheral blood evaluated for cPCs by multi-parameter flow cytometry. Of these patients, 145 had actively relapsing disease while the remaining 502 had disease that was in a plateau and included 68 patients in complete remission (CR) and 434 patients with stable disease. Patients with actively relapsing disease were more likely to have clonal cPCs than those in a plateau (P<0001). None of the patients in CR had any clonal cPCs detected. Among patients whose disease was in a plateau, the presence of clonal cPCs predicted for a worse median survival (22months vs. not reached; P=0004). Among actively relapsing patients, the presence of 100 cPCs predicted for a worse survival after flow cytometry analysis (12months vs. 33months; P<0001). Future studies are needed to determine the role of these findings in developing a risk-adapted treatment approach in MM patients with actively relapsing disease.

引用

页码：500 / 505

页数：6

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