The disappearance of all signs of cancer, supported by the absence of phenotypically aberrant plasma cells (clonal) in bone marrow. (Rajkumar SV, Harousseau J, Durie B et al, Consensus recommendations for the uniform reporting of clinical trials: report of the International Myeloma Workshop Consensus Panel 1. Blood. 2011; 117(18):4691-4695) [from
NCI]