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Everolimus Plus Endocrine Therapy for Postmenopausal Women With Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Advanced Breast Cancer: A Clinical Trial.

Authors
 Melanie Royce  ;  Thomas Bachelot  ;  Cristian Villanueva  ;  Mustafa Özgüroğlu  ;  Sergio J. Azevedo  ;  Felipe Melo Cruz  ;  Marc Debled  ;  Roberto Hegg  ;  Tatsuya Toyama  ;  Carla Falkson  ;  Joon Jeong  ;  Vichien Srimuninnimit  ;  William J. Gradishar  ;  Christina Arce  ;  Antonia Ridolfi  ;  Chinjune Lin  ;  Fatima Cardoso 
Citation
 JAMA Oncology, Vol.4(7) : 977-984, 2018 
Journal Title
 JAMA Oncology 
ISSN
 2374-2437 
Issue Date
2018
Abstract
Importance: Cotargeting the mammalian target of rapamycin pathway and estrogen receptor may prevent or delay endocrine resistance in patients receiving first-line treatment for advanced breast cancer. Objective: To investigate the combination of everolimus plus endocrine therapy in first-line and second-line treatment settings for postmenopausal women with estrogen receptor-positive, human epidermal growth receptor 2-negative advanced breast cancer. Design, Setting, and Participants: In the multicenter, open-label, single-arm, phase 2 BOLERO-4 (Breast Cancer Trials of Oral Everolimus) clinical trial, 245 patients were screened for eligibility; 202 were enrolled between March 7, 2013, and December 17, 2014. A median follow-up of 29.5 months had been achieved by the data cutoff date (December 17, 2016). Interventions: Patients received first-line treatment with everolimus, 10 mg/d, plus letrozole, 2.5 mg/d. Second-line treatment with everolimus, 10 mg/d, plus exemestane, 25 mg/d, was offered at the investigator's discretion upon initial disease progression. Main Outcomes and Measures: The primary end point was investigator-assessed progression-free survival in the first-line setting per Response Evaluation Criteria in Solid Tumors, version 1.0. Safety was assessed in patients who received at least 1 dose of study medication and at least 1 postbaseline safety assessment. Results: A total of 202 women treated in the first-line setting had a median age of 64.0 years (interquartile range, 58.0-70.0 years) with metastatic (194 [96.0%]) or locally advanced (8 [4.0%]) breast cancer. Median progression-free survival was 22.0 months (95% CI, 18.1-25.1 months) with everolimus and letrozole. Median overall survival was not reached; 24-month estimated overall survival rate was 78.7% (95% CI, 72.1%-83.9%). Fifty patients started second-line treatment; median progression-free survival was 3.7 months (95% CI, 1.9-7.4 months). No new safety signals were observed. In the first-line setting, the most common all-grade adverse event was stomatitis (139 [68.8%]); the most common grade 3 to 4 adverse event was anemia (21 [10.4%]). In the second-line setting, the most common adverse events were stomatitis and decreased weight (10 [20.0%] each); the most common grade 3 to 4 adverse event was hypertension (5 [10.0%]). There were 50 (24.8%) deaths overall during the study; 40 were due to study indication (breast cancer). Conclusions and Relevance: The results of this trial add to the existing body of evidence suggesting that everolimus plus endocrine therapy is a good first-line treatment option for postmenopausal women with estrogen receptor-positive, human epidermal growth factor receptor 2-negative advanced breast cancer.
Full Text
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5885212/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5885212/
DOI
10.1001/jamaoncol.2018.0060
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Jeong, Joon(정준) ORCID logo https://orcid.org/0000-0003-0397-0005
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/165412
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