Characteristics and postremission outcome of APL patients treated with risk-adapted consolidation in the PETHEMA LPA99 Trial
| Characteristic . | No. of patients . | % CIR . | P . | % DFS . | P . | % OS . | P . | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall . | CR . | at 3 y . | at 5 y . | at 3 y . | at 5 y . | at 3 y . | at 5 y . | ||||
| Overall | 560 | 510 | 9 | 11 | 88 | 84 | 85 | 82 | |||
| Age, y | |||||||||||
| <18 | 65 | 62 | 10 | 10 | .78* | 89 | 89 | .09* | 91 | 89 | <.001* |
| 18-60 | 394 | 369 | 9 | 11 | 89 | 85 | 89 | 86 | |||
| 61-70 | 68 | 53 | 9 | 14 | 83 | 79 | 71 | 68 | |||
| >70 | 33 | 26 | 4 | 4 | 77 | 77 | 61 | 52 | |||
| Sex | |||||||||||
| Male | 270 | 238 | 11 | 16 | .004 | 86 | 81 | .03 | 83 | 81 | .20 |
| Female | 290 | 272 | 7 | 7 | 89 | 88 | 87 | 83 | |||
| WBC, ×109/L | |||||||||||
| <3.5 | 336 | 321 | 3 | 6 | < .001† | 92 | 87 | <.001† | 90 | 87 | <.001† |
| 3.5-10 | 85 | 77 | 8 | 8 | 91 | 90 | 87 | 86 | |||
| 10-50 | 99 | 79 | 22 | 23 | 78 | 77 | 74 | 70 | |||
| >50 | 39 | 32 | 34 | 34 | 62 | 62 | 67 | 64 | |||
| Hemoglobin, g/dL | |||||||||||
| ≤10 | 361 | 329 | 8 | 11 | .83 | 88 | 84 | .64 | 84 | 82 | .65 |
| >10 | 198 | 180 | 9 | 11 | 87 | 85 | 87 | 83 | |||
| Platelets, ×109/L | |||||||||||
| ≤40 | 431 | 390 | 9 | 12 | .11 | 88 | 83 | .33 | 84 | 82 | .60 |
| >40 | 128 | 119 | 7 | 7 | 88 | 87 | 88 | 84 | |||
| FAB subtype | |||||||||||
| Typical | 450 | 415 | 7 | 9 | .027 | 89 | 86 | .07 | 86 | 84 | .04 |
| Variant | 100 | 85 | 16 | 18 | 81 | 77 | 79 | 75 | |||
| ECOG | |||||||||||
| ≤1 | 377 | 352 | 8 | 11 | .64 | 89 | 85 | .46 | 88 | 84 | .004 |
| >1 | 138 | 117 | 11 | 12 | 84 | 82 | 76 | 74 | |||
| Relapse-risk group | |||||||||||
| Low | 107 | 103 | 3 | 3 | < .001‡ | 91 | 90 | < .001 | 91 | 87 | < .001 |
| Intermediate | 314 | 295 | 4 | 8 | 92 | 87 | 89 | 87 | |||
| High | 138 | 111 | 25 | 26 | 74 | 73 | 72 | 69 | |||
| Protocol (all patients) | |||||||||||
| LPA96 | 172 | 156 | 17 | 18 | .017 | 81 | 77 | .03 | 78 | 76 | .07 |
| LPA99 | 560 | 510 | 9 | 11 | 88 | 84 | 85 | 82 | |||
| Protocol (I&H risk patients) | |||||||||||
| LPA96 | 138 | 123 | 20 | 21 | .019 | 76 | 75 | .04 | 75 | 75 | .07 |
| LPA99 | 453 | 407 | 10 | 13 | 87 | 83 | 84 | 81 | |||
| Characteristic . | No. of patients . | % CIR . | P . | % DFS . | P . | % OS . | P . | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall . | CR . | at 3 y . | at 5 y . | at 3 y . | at 5 y . | at 3 y . | at 5 y . | ||||
| Overall | 560 | 510 | 9 | 11 | 88 | 84 | 85 | 82 | |||
| Age, y | |||||||||||
| <18 | 65 | 62 | 10 | 10 | .78* | 89 | 89 | .09* | 91 | 89 | <.001* |
| 18-60 | 394 | 369 | 9 | 11 | 89 | 85 | 89 | 86 | |||
| 61-70 | 68 | 53 | 9 | 14 | 83 | 79 | 71 | 68 | |||
| >70 | 33 | 26 | 4 | 4 | 77 | 77 | 61 | 52 | |||
| Sex | |||||||||||
| Male | 270 | 238 | 11 | 16 | .004 | 86 | 81 | .03 | 83 | 81 | .20 |
| Female | 290 | 272 | 7 | 7 | 89 | 88 | 87 | 83 | |||
| WBC, ×109/L | |||||||||||
| <3.5 | 336 | 321 | 3 | 6 | < .001† | 92 | 87 | <.001† | 90 | 87 | <.001† |
| 3.5-10 | 85 | 77 | 8 | 8 | 91 | 90 | 87 | 86 | |||
| 10-50 | 99 | 79 | 22 | 23 | 78 | 77 | 74 | 70 | |||
| >50 | 39 | 32 | 34 | 34 | 62 | 62 | 67 | 64 | |||
| Hemoglobin, g/dL | |||||||||||
| ≤10 | 361 | 329 | 8 | 11 | .83 | 88 | 84 | .64 | 84 | 82 | .65 |
| >10 | 198 | 180 | 9 | 11 | 87 | 85 | 87 | 83 | |||
| Platelets, ×109/L | |||||||||||
| ≤40 | 431 | 390 | 9 | 12 | .11 | 88 | 83 | .33 | 84 | 82 | .60 |
| >40 | 128 | 119 | 7 | 7 | 88 | 87 | 88 | 84 | |||
| FAB subtype | |||||||||||
| Typical | 450 | 415 | 7 | 9 | .027 | 89 | 86 | .07 | 86 | 84 | .04 |
| Variant | 100 | 85 | 16 | 18 | 81 | 77 | 79 | 75 | |||
| ECOG | |||||||||||
| ≤1 | 377 | 352 | 8 | 11 | .64 | 89 | 85 | .46 | 88 | 84 | .004 |
| >1 | 138 | 117 | 11 | 12 | 84 | 82 | 76 | 74 | |||
| Relapse-risk group | |||||||||||
| Low | 107 | 103 | 3 | 3 | < .001‡ | 91 | 90 | < .001 | 91 | 87 | < .001 |
| Intermediate | 314 | 295 | 4 | 8 | 92 | 87 | 89 | 87 | |||
| High | 138 | 111 | 25 | 26 | 74 | 73 | 72 | 69 | |||
| Protocol (all patients) | |||||||||||
| LPA96 | 172 | 156 | 17 | 18 | .017 | 81 | 77 | .03 | 78 | 76 | .07 |
| LPA99 | 560 | 510 | 9 | 11 | 88 | 84 | 85 | 82 | |||
| Protocol (I&H risk patients) | |||||||||||
| LPA96 | 138 | 123 | 20 | 21 | .019 | 76 | 75 | .04 | 75 | 75 | .07 |
| LPA99 | 453 | 407 | 10 | 13 | 87 | 83 | 84 | 81 | |||