Effect of Drug Clinical Trial
Official title:
Apatinib+Ifosfamide and Etoposide (IE) Versus IE Alone for Relapsed or Refractory Osteosarcoma: a Real-world Study in Two Centers in China
Today, using a multi-modal approach consisting of preoperative (neoadjuvant) systemic polychemotherapy followed by local surgical therapy and then postoperative (adjuvant) chemotherapy, long-term, disease-free survival can be achieved in 60- 70% of osteosarcoma patients. However treatment options for osteosarcomas, especially in the setting of metastatic or unresectable disease, are very scarce. Apatinib has been proved to be an effective agent to prolong progression-free survival in advanced osteosarcoma. But after 4-6 months' treatment, secondary resistance always occurred with musculoskeletal lesions' progression or new metastasis. Nowadays giving therapeutic doses of IE concurrently with anti-angiogenesis tyrosine kinase inhibitors is a conceptually attractive strategy for treating patients with refractory osteosarcoma according to prospective trial of lenvatinib +IE reported by Gaspar et al at 2019 ESMO and 2020 ESMO. Thus This study was designed to review our experience in real world for off-label use and characterize the toxicity profile of concurrent apatinib+IE and IE alone in patients with relapsed or refractory osteosarcoma.
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