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Survival and prognosis with osteosarcoma: outcomes in more than 2000 patients in the EURAMOS-1 cohort

Smeland, S; Ingleby, F; Many other authors, TPUTP; Whelan, J; Sydes, MR; (2019) Survival and prognosis with osteosarcoma: outcomes in more than 2000 patients in the EURAMOS-1 cohort. European Journal of Cancer , 109 pp. 36-50. 10.1016/j.ejca.2018.11.027. Green open access

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Abstract

BACKGROUND: High-grade osteosarcoma is a primary malignant bone tumour mainly affecting children and young adults. EURAMOS-1 is a collaboration of four study groups aiming to improve outcomes in this rare disease by facilitating the conduct of randomised controlled trials. METHODS: Patients eligible for EURAMOS-1 were aged ≤40 years with M0 or M1 skeletal high-grade osteosarcoma where complete surgical resection at all sites was deemed possible. A three-drug combination with methotrexate, doxorubicin and cisplatin was defined as standard chemotherapy, and between Apr-2005 and Jun-2011, 2260 patients were registered. We report survival outcomes and prognostic factors in the full cohort of registered patients. RESULTS: For all registered patients at a median follow-up of 54 months (IQR: 38-73) from biopsy, 3-year and 5-year event-free survival were 59% (95%CI 57%-61%) and 54% (95%CI 52%-56%) respectively. Multivariate analyses showed the most adverse factors at diagnosis were pulmonary metastases (HR=2.34, 95%CI 1.95-2.81), non-pulmonary metastases (HR=1.94, 95%CI 1.38-2.73) or an axial skeleton tumour site (HR=1.53, 95%CI 1.10-2.13). The histological subtypes telangiectatic (HR=0.52, 95%CI 0.33-0.80) and unspecified conventional (HR=0.67, 95%CI 0.52-0.88) were associated with a favourable prognosis compared to chondroblastic subtype. The 3-year and 5-year overall survival from biopsy were 79% (95%CI 77%-81%) and 71% (95%CI 68%-73%) respectively. For patients with localised disease at presentation and in complete remission after surgery, having a poor histological response was associated with worse outcome after surgery (HR=2.13, 95%CI 1.76-2.58). In radically operated patients, there was no good evidence that axial tumour site was associated with worse outcome. CONCLUSIONS: In conclusion, data from > 2,000 patients registered to EURAMOS-1 demonstrated survival rates in concordance with institution- or group-level osteosarcoma trials. Further efforts are required to drive improvements for patients who can be identified as at higher risk of adverse outcome. This trial reaffirms known prognostic factors, and due to the large numbers of patients registered, sheds light on some additional factors to consider.

Type: Article
Title: Survival and prognosis with osteosarcoma: outcomes in more than 2000 patients in the EURAMOS-1 cohort
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.ejca.2018.11.027
Publisher version: https://doi.org/10.1016/j.ejca.2018.11.027
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Keywords: Osteosarcoma, Chemotherapy, Surgery, Cohort, Outcomes
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute > Research Department of Oncology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute > Research Department of Pathology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > Inst of Clinical Trials and Methodology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > Inst of Clinical Trials and Methodology > MRC Clinical Trials Unit at UCL
URI: http://discovery.ucl.ac.uk/id/eprint/10065960
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