Table 2.
International Myeloma Working Group Treatment Response
| Response | Eight-Color MPF, No. | Ten-Color MPF, No. |
|---|---|---|
| Stringent complete response a | 10 | 8 |
| Complete response b | 4 | 6 |
| Very good partial response | 9 | 9 |
| Partial response | 3 | 3 |
| Stable disease | 3 | 3 |
| Progressive disease | 10 | 10 |
| Relapse | 4 | 4 |
| New diagnosis | 10 | 10 |
MPF, multiparameter flow cytometry.
a Complete response as defined above plus normal free light chain ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence.
b Negative immunofixation on the serum and urine and disappearance of any soft tissue plasmacytomas and less than 5% plasma cells in bone marrow.