In patients with metastatic osteosarcoma who have progressed on first-line chemotherapy, the prognosis is poor. Here, the authors report a phase II randomized clinical trial comparing the combination of apatinib (multi tyrosine kinase inhibitor) and chemotherapy (ifosfamide and etoposide) against chemotherapy alone in patients with relapsed or refractory metastatic osteosarcoma.
- Lu Xie
- Jie Xu
- Xiaodong Tang
