OnCo

Interval-compressed VDC/IE

Checked 2026-09-09

Localised Ewing sarcoma, 14 alternating cycles (induction then consolidation around local therapy)

One cycle

every 28 days × 7 · about 28 weeks in total
1781415212228Vincristine: 2 mg/m² (maximum 2 mg), IntravenousVincristineDoxorubicin: 37.5 mg/m² per day (75 mg/m² per cycle; dactinomycin replaces it after 375 mg/m²), IntravenousDoxorubicinCyclophosphamide: 1,200 mg/m² with mesna, IntravenousCyclophosphamideIfosfamide: 1,800 mg/m² per day with mesna, IntravenousIfosfamideEtoposide: 100 mg/m² per day, IntravenousEtoposide
28-day cycle × 7 alternating pairs (14 cycles, each 2 weeks) (about 28 weeks)Intravenous

Components

DrugDoseRouteDays
Vincristine
Vinca alkaloid (microtubule inhibitor)
2 mg/m² (maximum 2 mg)IVD1
Doxorubicin
Cytotoxic chemotherapy (anthracycline)
37.5 mg/m² per day (75 mg/m² per cycle; dactinomycin replaces it after 375 mg/m²)IVD1, 2
Cyclophosphamide
Alkylating agent (oxazaphosphorine prodrug)
1,200 mg/m² with mesnaIVD1
Ifosfamide
Cytotoxic chemotherapy (alkylating agent)
1,800 mg/m² per day with mesnaIVD15-19
Etoposide
Topoisomerase II inhibitor (podophyllotoxin derivative)
100 mg/m² per dayIVD15-19
Cycles
7 alternating pairs (14 cycles, each 2 weeks)
28-day cycle
Emetogenicity
High (>90%)
G-CSF
Built into the protocol

Notes

  • Every-2-week cycles improved 5-year EFS from 65% to 73% versus every 3 weeks, with G-CSF after each cycle.

Used in

Source

AEWS0031, JCO 2012 (Womer)

Reference doses for a typical adult from the cited protocol or label. Doses are adjusted for renal and hepatic function, age, performance status and prior toxicity, and institutional protocols vary. Verify against the current label and your local protocol before treating. Not medical advice.