RT-PCR Monitoring Studies in APL
| Authors (ref) . | Type of Study . | Treatment . | Time of Sampling . | Sensitivity . | PCR Status in HCR/ Hematologic Relapses . | Comments . |
|---|---|---|---|---|---|---|
| Miller et al28 | Retrospective | ATRA | Early postinduction | 103 | 6 +ve/6 | |
| Borrow et al45 | Retrospective | Not reported | Not reported | 104 | 5 −ve | |
| Chang et al47 | Retrospective | Not reported | Early postinduction | 104 | 5 +ve/1 | Follow-up of +ve cases: 6-7 mo |
| Lo Coco et al49 | Retrospective | ATRA/CHT/BMT | Variable | 104 | 13 +ve/11 | * |
| Posttreatment | 22 −ve | * | ||||
| Huang et al50 | Retrospective prospective | ATRA ± CHT | Variable posttreatment | 105 | 14 +ve/5 | No follow-up reported* |
| 48 −ve | No follow-up reported* | |||||
| Diverio et al104 | Retrospective | CHT ± BMT | Long-term CR | 105 | 9 −ve | |
| Roman et al113 | Retrospective | CHT + BMT | Variable post-BMT | 104/105 | 2 +ve/2 | * |
| 18 −ve | * | |||||
| Tobal et al114 | Retrospective | CHT ± BMT | Variable posttreatment | 5 × 105 | 6 +ve | RARα/PML test (follow-up 3-9 yr)* |
| 12 −ve | RARα/PML test* | |||||
| 5 × 104 | 18 −ve | PML/RARα test (includes 6 RAR/PML +ve)* | ||||
| Martinelli et al105 | Retrospective | CHT ± | Long-term CR | 103/104 | 1 +ve/1 | |
| 9 −ve | ||||||
| Grimwade et al111 | Retrospective study of relapses | ATRA + CHT | Variable posttreatment | 105 | 1 +ve/1 | RARα/PML test* |
| 8 −ve/8 | RARα/PML test* | |||||
| 104 | 3 +ve/3 | PML/RARα test* | ||||
| 9 −ve/9 | PML/RARα test* | |||||
| Miller et al51 | Prospective | ATRA ± CHT | Variable posttreatment | 103 | 15 +ve/15 18 −ve/2 | *,* |
| Fukutani et al88 | Prospective | ATRA + CHT | Postconsolidation | 105 | 13 +ve/10 | * |
| 14 −ve | Median follow-up of −ve pts: 9 mo* | |||||
| Mandelli et al19 | Prospective | ATRA + CHT | Early postconsolidation | 104 | 3 +ve | All 3 pts underwent allo-BMT after PCR+ |
| 159 −ve/17 | 16/17 converted to PCR +ve before relapse | |||||
| Koller et al108 | Prospective | ATRA ± CHT | Variable posttreatment | 106 | 3 +ve/3 7 −ve | *,* |
| Korninger et al109 | Prospective | ATRA + CHT | Variable posttreatment | 105 | 3 +ve/3 | * |
| Lackzika et al110 | Prospective | ATRA + CHT | Postconsolidation | 106 | 1 +ve/1 4 −ve | *,* |
| Ikeda et al107 | Prospective | ATRA/CHT/BMT | Variable posttreatment | 105 | 2 +ve/2 5 −ve | *,* |
| Perego et al112 | Prospective | ATRA/CHT/BMT | Post-CHT | 4 × 105 | 8 −ve/1 | * |
| Pre-post BMT | ||||||
| Diverio et al52 | Prospective | ATRA + CHT | Sequential postconsolidation | 104 | 21 +ve/20 142 −ve/8 | *,* |
| Authors (ref) . | Type of Study . | Treatment . | Time of Sampling . | Sensitivity . | PCR Status in HCR/ Hematologic Relapses . | Comments . |
|---|---|---|---|---|---|---|
| Miller et al28 | Retrospective | ATRA | Early postinduction | 103 | 6 +ve/6 | |
| Borrow et al45 | Retrospective | Not reported | Not reported | 104 | 5 −ve | |
| Chang et al47 | Retrospective | Not reported | Early postinduction | 104 | 5 +ve/1 | Follow-up of +ve cases: 6-7 mo |
| Lo Coco et al49 | Retrospective | ATRA/CHT/BMT | Variable | 104 | 13 +ve/11 | * |
| Posttreatment | 22 −ve | * | ||||
| Huang et al50 | Retrospective prospective | ATRA ± CHT | Variable posttreatment | 105 | 14 +ve/5 | No follow-up reported* |
| 48 −ve | No follow-up reported* | |||||
| Diverio et al104 | Retrospective | CHT ± BMT | Long-term CR | 105 | 9 −ve | |
| Roman et al113 | Retrospective | CHT + BMT | Variable post-BMT | 104/105 | 2 +ve/2 | * |
| 18 −ve | * | |||||
| Tobal et al114 | Retrospective | CHT ± BMT | Variable posttreatment | 5 × 105 | 6 +ve | RARα/PML test (follow-up 3-9 yr)* |
| 12 −ve | RARα/PML test* | |||||
| 5 × 104 | 18 −ve | PML/RARα test (includes 6 RAR/PML +ve)* | ||||
| Martinelli et al105 | Retrospective | CHT ± | Long-term CR | 103/104 | 1 +ve/1 | |
| 9 −ve | ||||||
| Grimwade et al111 | Retrospective study of relapses | ATRA + CHT | Variable posttreatment | 105 | 1 +ve/1 | RARα/PML test* |
| 8 −ve/8 | RARα/PML test* | |||||
| 104 | 3 +ve/3 | PML/RARα test* | ||||
| 9 −ve/9 | PML/RARα test* | |||||
| Miller et al51 | Prospective | ATRA ± CHT | Variable posttreatment | 103 | 15 +ve/15 18 −ve/2 | *,* |
| Fukutani et al88 | Prospective | ATRA + CHT | Postconsolidation | 105 | 13 +ve/10 | * |
| 14 −ve | Median follow-up of −ve pts: 9 mo* | |||||
| Mandelli et al19 | Prospective | ATRA + CHT | Early postconsolidation | 104 | 3 +ve | All 3 pts underwent allo-BMT after PCR+ |
| 159 −ve/17 | 16/17 converted to PCR +ve before relapse | |||||
| Koller et al108 | Prospective | ATRA ± CHT | Variable posttreatment | 106 | 3 +ve/3 7 −ve | *,* |
| Korninger et al109 | Prospective | ATRA + CHT | Variable posttreatment | 105 | 3 +ve/3 | * |
| Lackzika et al110 | Prospective | ATRA + CHT | Postconsolidation | 106 | 1 +ve/1 4 −ve | *,* |
| Ikeda et al107 | Prospective | ATRA/CHT/BMT | Variable posttreatment | 105 | 2 +ve/2 5 −ve | *,* |
| Perego et al112 | Prospective | ATRA/CHT/BMT | Post-CHT | 4 × 105 | 8 −ve/1 | * |
| Pre-post BMT | ||||||
| Diverio et al52 | Prospective | ATRA + CHT | Sequential postconsolidation | 104 | 21 +ve/20 142 −ve/8 | *,* |
Abbreviations: HCR, hematologic complete remission; BMT, bone marrow transplantation; +ve, positive; −ve, negative; pts, patients; CHT, chemotherapy.
Studies reporting sequential PCR evaluations. In such cases, the last PCR result before relapse or last follow-up is considered.