| Biomarker: | No biomarker |
|---|---|
| Cancer: | Osteosarcoma |
| Drug: | ifosfamide (Bifunctional alkylating agent) + methotrexate (THF dehydrogenase inhibitor, Dihydrofolic acid reductase inhibitor) + etoposide oral (Topoisomerase II inhibitor, DNA inhibitor) |
| Direction: | Sensitive |