Journal
LEUKEMIA & LYMPHOMA
Volume 58, Issue 2, Pages 308-315Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10428194.2016.1201572
Keywords
Multiple myeloma; bone marrow plasma cells; autologous stem cell transplantation
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We evaluated 1070 patients with newly diagnosed multiple myeloma, who completed a single line of induction therapy followed by autologous stem cell transplantation. Patients with pre-transplant <5% BMPC had a threefold likelihood of achieving stringent complete response (sCR) after transplant compared to those with BMPC >= 5% (45.6% vs. 16.3%; p<0.0001). The median progression-free survival and overall survival from transplant for patients with pre-transplant BMPC <5% and >5% was 30.8 and 115.2 months compared to 20.8 and 74.1 months, respectively (p<0.0001 for both comparisons). The effect of pre-transplant BMPC was most pronounced in patients achieving complete response or very good partial response after transplant. In conclusion, pre-transplant BMPC <5% is an important prognostic marker of long-term survival after transplant and should be routinely incorporated into pre-transplant risk stratification.
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