Reference : Safety of Everolimus Plus Exemestane In Patients With Hormone-Receptor-Positive, HER2...
Scientific journals : Article
Human health sciences : Oncology
Safety of Everolimus Plus Exemestane In Patients With Hormone-Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer Progressing on Prior Non-Steroidal Aromatase Inhibitors: Primary Results of a Phase 3b, Open-Label, Single-Arm, Expanded-Access Multicenter Trial (BALLET).
Jerusalem, Guy mailto [Université de Liège > Département des sciences cliniques > Oncologie >]
Mariani, G. [> >]
Ciruelos, E. M. [> >]
Martin, M. [> >]
Tjan-Heijnen, V. C. G. [> >]
Neven, P. [> >]
Gavila, J. G. [> >]
Michelotti, A. [> >]
Montemurro, F. [> >]
Generali, D. [> >]
Simoncini, E. [> >]
Lang, I. [> >]
Mardiak, J. [> >]
Naume, B. [> >]
Camozzi, M. [> >]
Lorizzo, K. [> >]
Bianchetti, S. [> >]
Conte, P. [> >]
Annals of Oncology
Yes (verified by ORBi)
[en] BMI ; advanced breast cancer ; elderly, everolimus ; hormone-receptor positive ; stomatitis ; oncology
[en] BACKGROUND: This European phase 3b, expanded-access multicenter trial evaluated the safety of EVE plus EXE in a patient population similar to BOLERO-2. PATIENTS AND METHODS: Postmenopausal women aged (3)18 years with hormone receptor-positive, human epidermal growth factor-receptor-2-negative advanced breast cancer (ABC) recurring/progressing during/after prior non-steroidal aromatase inhibitors (NSAIs) were enrolled. Primary objective was safety of EVE plus EXE based on frequency of adverse events (AEs), and serious AEs (SAEs). Secondary objective was to evaluate AEs of grade 3/4 severity. RESULTS: Median treatment duration was 5.1 months (95% CI, 4.8-5.6) for EVE and 5.3 months (95% CI, 4.8-5.6) for EXE. Overall, 2131 patients were included in the analysis; 81.8% of patients experienced EVE- or EXE-related or EVE/EXE-related AEs (investigator assessed); 27.2% were of grade 3/4 severity. The most frequently reported non-hematologic AEs were (overall %, % EVE-related) stomatitis (52.8%; 50.8%) and asthenia (22.8%; 14.6%). The most frequently reported hematologic AE were (overall %, % EVE-related) anemia (14.4%; 8.1%) and thrombocytopenia (5.9%; 4.6%). AE-related treatment discontinuations were higher in elderly ((3)70 years) versus non-elderly patients (23.8% vs. 13.0%). The incidence of EVE-related AEs in both elderly and non-elderly patients appeared to be lower in first-line ABC versus later lines. The incidence of AEs (including stomatitis/pneumonitis) was independent of BMI status (post-hoc analysis). Overall, 8.5% of patients experienced at least one EVE-related SAE. Of the 121 on-treatment deaths (5.7%), 66 (3.1%) deaths were due to disease progression and 46 (2.2%) due to AEs; 4 deaths were suspected to be EVE-related. CONCLUSIONS: This is the largest ever reported safety dataset on a general patient population presenting ABC treated with EVE plus EXE and included a sizeable elderly subset. Although the patients were more heavily pretreated, the safety profile of EVE plus EXE in BALLET was consistent with BOLERO-2. CLINICAL TRIAL REGISTRATION: EudraCT Number: 2012-000073-23.
(c) The Author 2016. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved. For permissions, please email:

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