Summary of chemotherapy regimens in the 3 study groups
| Treatment characteristics . | BFM-86–90 protocols . | SFOP protocols . | UKCCSG protocols . | |||||
|---|---|---|---|---|---|---|---|---|
| B-SGR / K1 . | B-RG / K2 . | B-IV / K3 . | HM89 . | HM91 . | 9001 . | 9002 . | 9003 . | |
| Total treatment duration, mo | 2.5 | 4 | 4 | 8 | 7 | 5.3 | 3.5 | 5.5 |
| Methotrexate | ||||||||
| Dose/injection, g/m2 | 0.5 | 0.5 | 5 | 3 | 3 | 1 | 3 | 8 |
| Duration of infusion, h | 24 | 24 | 24 | 3 | 3 | 3 | 3 | 3 |
| Number of courses | 3 | 6 | 4 | 6 | 6 | 4 | 5 | 3 |
| Total doses of other drugs | ||||||||
| Cyclophosphamide, g/m2 | 1.4 | 3.4 | 2.4 | 7.3 | 10.3 | 0 | 5.8 | 6.8 |
| Ifosfamide, g/m2 | 8 | 12 | 8 | 0 | 0 | 0 | 0 | 0 |
| Doxorubicin, mg/m2 | 50 | 150 | 100 | 360 | 360 | 200 | 180 | 240 |
| Etoposide, mg/m2 | 400* | 600 | 1300 | 1800 | 1200 | 0 | 0 | 2500 |
| Number of intrathecal injections | 4 | 7 | 11 | 0 | 0 | 6** | 10 | 10 |
| Steroids | Dexa | Dexa | Dexa | Pred | Pred | Pred | Pred | Pred |
| Treatment characteristics . | BFM-86–90 protocols . | SFOP protocols . | UKCCSG protocols . | |||||
|---|---|---|---|---|---|---|---|---|
| B-SGR / K1 . | B-RG / K2 . | B-IV / K3 . | HM89 . | HM91 . | 9001 . | 9002 . | 9003 . | |
| Total treatment duration, mo | 2.5 | 4 | 4 | 8 | 7 | 5.3 | 3.5 | 5.5 |
| Methotrexate | ||||||||
| Dose/injection, g/m2 | 0.5 | 0.5 | 5 | 3 | 3 | 1 | 3 | 8 |
| Duration of infusion, h | 24 | 24 | 24 | 3 | 3 | 3 | 3 | 3 |
| Number of courses | 3 | 6 | 4 | 6 | 6 | 4 | 5 | 3 |
| Total doses of other drugs | ||||||||
| Cyclophosphamide, g/m2 | 1.4 | 3.4 | 2.4 | 7.3 | 10.3 | 0 | 5.8 | 6.8 |
| Ifosfamide, g/m2 | 8 | 12 | 8 | 0 | 0 | 0 | 0 | 0 |
| Doxorubicin, mg/m2 | 50 | 150 | 100 | 360 | 360 | 200 | 180 | 240 |
| Etoposide, mg/m2 | 400* | 600 | 1300 | 1800 | 1200 | 0 | 0 | 2500 |
| Number of intrathecal injections | 4 | 7 | 11 | 0 | 0 | 6** | 10 | 10 |
| Steroids | Dexa | Dexa | Dexa | Pred | Pred | Pred | Pred | Pred |