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20-Year Risks of Breast-Cancer Recurrence after Stopping Endocrine Therapy at 5 Years
Author(s) -
Hongchao Pan,
Richard Gray,
Jeremy Braybrooke,
Christina Davies,
Carolyn Taylor,
Paul McGale,
Richard Peto,
Kathleen I. Pritchard,
Jonas Bergh,
Mitch Dowsett,
Daniel F. Hayes
Publication year - 2017
Publication title -
new england journal of medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 19.889
H-Index - 1030
eISSN - 1533-4406
pISSN - 0028-4793
DOI - 10.1056/nejmoa1701830
Subject(s) - medicine , breast cancer , oncology , proportional hazards model , cancer , endocrine system , stage (stratigraphy) , disease , gynecology , hormone , paleontology , biology
The administration of endocrine therapy for 5 years substantially reduces recurrence rates during and after treatment in women with early-stage, estrogen-receptor (ER)-positive breast cancer. Extending such therapy beyond 5 years offers further protection but has additional side effects. Obtaining data on the absolute risk of subsequent distant recurrence if therapy stops at 5 years could help determine whether to extend treatment.

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