Wood, Georgina E; Graves, Laurie A; Rubin, Elyssa M; Reed, Damon R; Riedel, Richard F; Strauss, Sandra J; (2023) Bad to the Bone: Emerging Approaches to Aggressive Bone Sarcomas. American Society of Clinical Oncology Educational Book , 43 (43) , Article e390306. 10.1200/EDBK_390306.

Text Strauss_Wood, G, et al. Bad to the Bone_submitted.pdf Access restricted to UCL open access staff Download (581kB)

Abstract

Bone sarcomas are rare heterogeneous tumors that affect patients of all ages including children, adolescent young adults, and older adults. They include many aggressive subtypes and patient groups with poor outcomes, poor access to clinical trials, and lack of defined standard therapeutic strategies. Conventional chondrosarcoma remains a surgical disease, with no defined role for cytotoxic therapy and no approved targeted systemic therapies. Here, we discuss promising novel targets and strategies undergoing evaluation in clinical trials. Multiagent chemotherapy has greatly improved outcomes for patients with Ewing sarcoma (ES) and osteosarcoma, but management of those with high-risk or recurrent disease remains challenging and controversial. We describe the impact of international collaborative trials, such as the rEECur study, that aim to define optimal treatment strategies for those with recurrent, refractory ES, and evidence for high-dose chemotherapy with stem-cell support. We also discuss current and emerging strategies for other small round cell sarcomas, such as CIC-rearranged, BCOR-rearranged tumors, and the evaluation of emerging novel therapeutics and trial designs that may offer a new paradigm to improve survival in these aggressive tumors with notoriously bad (to the bone) outcomes.

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