Apatinib + Ifosfamide and Etoposide for Relapsed or Refractory Osteosarcoma
Conditions
- Effect of Drug
- Toxicity, Drug
- Secondary Resistance
Interventions
- DRUG: Apatinib Mesylate
- DRUG: ifosfamide and etoposide
Sponsor
Peking University People's Hospital
Collaborators