Table 1.
Subgroup | ORR (%)
|
TTP (days)
|
p value | ||
---|---|---|---|---|---|
B | PLD+B | B | PLD+B | ||
Age ≥ 65 yrs | 39 | 49 | 205 | 276 | 0.0056 |
β2-microglobulin ≥5.5mg/L | 33 | 49 | 178 | 276 | 0.0007 |
Primary refractory disease | 48 | 43 | 189 | MNR | 0.0322 |
No prior ASCT | 39 | 45 | 197 | 331 | 0.0009 |
Prior ASCT | 46 | 50 | 197 | 276 | 0.0011 |
≥2 prior lines of therapy | N/A | 186 | 276 | <0.0001 | |
1 prior line of therapy | N/A | 199 | 330 | 0.036 | |
Anthracycline naïve | N/A | 197 | 282 | 0.015 | |
Anthracycline exposed | N/A | 197 | 295 | 0.0001 | |
ISS stage 3 | N/A | 177 | 276 | <0.0007 | |
ISS stage 2 | N/A | 186 | 250 | <0.004 | |
ISS stage 1 | N/A | 223 | 331 | 0.067 | |
TSD >2 years | N/A | 197 | 295 | <0.0001 | |
TSD ≤2 years | N/A | 197 | 243 | 0.0033 | |
Relapse <12 months post | 74 | 93 | 205 | 276 | 0.13 |
ASCT | (p = 0.01) |
Abbreviations: ASCT, autologous stem cell transplant; ISS, International Staging System; MNR, median not reached; N/A, not available; TSD, time since diagnosis; TPP, time to disease progression; ORR, overall response rate.