The incidence of brain and meningeal metastasis in bone and soft tissue sarcomas is estimated between 1% and 8%. Published data are derived from small retrospective case series, often in the pediatric population. A prognostic index is important to guide both clinical decision-making and outcomes research, but one such is lacking for adult sarcoma patients with brain metastases. The current study describes brain metastasis in a large cohort of sarcoma patients. This study, conducted within the French Sarcoma Group, describes the natural history of sarcoma brain metastasis and enables the proposal of strategic recommendations for subsequent clinical trials and for the management of such patients.

Background: Brain metastases from sarcomatous lesions pose a management challenge owing to their rarity and the histopathological heterogeneity. Prognostic indices such as the Graded Prognostic Assessment (GPA) index have been developed for several primary tumour types presenting with brain metastases (e.g. lung, breast, melanoma), tailored to the specifics of different primary histologies and molecular profiles. Thus far, a prognostic index to direct treatment decisions is lacking for adult sarcoma patients with brain metastases. Methods: We performed a multicentre analysis of a national group of expert sarcoma tertiary centres (French Sarcoma Group, GSF-GETO) with the participation of one Canadian and one Swiss centre. The study cohort included adult patients with a diagnosis of a bone or soft tissue sarcoma presenting parenchymal or meningeal brain metastases, managed between January 1992 and March 2012. We assessed the validity of the original GPA index in this patient population and developed a disease-specific Sarcoma-GPA index. Results: The original GPA index is not prognostic for sarcoma brain metastasis patients. We have developed a dedicated Sarcoma-GPA index that identifies a subgroup of patients with particularly favourable prognosis based on histology, number of brain lesions and performance status. Conclusions: The Sarcoma-GPA index provides a novel tool for sarcoma oncologists to guide clinical decisionmaking and outcomes research.

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In a prospective randomized study we investigated the potential of subcutaneous recombinant human erythropoietin (rhEpo) as adjuvant treatment for autologous blood transfusions (3 units) in elective surgery. Four and 2 weeks before surgery, 49 patients received 6 x 10,000 U of rhEpo. delta Hb values (days -28 and 0) of the rhEpo group were compared to delta Hb values of 52 controls (no rhEpo). Reticulocytes were measured at days -21, -14, -7 and 0. Peri- and postoperative supplementary homologous blood requirements were compared in the two randomized groups. delta Hb of rhEpo group was 0.96 g/dl (mean value) and 2.38 for controls. Reticulocyte count increased earlier and to higher levels in rhEpo-treated patients. Except in 1 case, Epo was well tolerated. These results indicate that autologous predonation (3 x 400 ml) does not create anemia if adjuvant Epo treatment is given. However, homologous blood requirements were not significantly different, which is probably due to the fact that 96 of the 101 treated patients underwent elective orthopedic surgery requiring limited blood replacement. Significant benefit of the Epo regimen can be expected in elective cardiovascular and hepatic surgery where larger amounts of blood (5-6 units) are needed.

This trial demonstrates that up-front accelerated TR associated with CT is feasible, has acceptable toxicity, and shows considerable long-term survival potential.