Phillips, Kelly-Anne; Aldridge, Julie; Ribi, Karin; Sun, Zhuoxin; Thompson, Alastair; Harvey, Vernon; Thürlimann, Beat; Cardoso, Fatima; Pagani, Olivia; Coates, Alan S; Goldhirsch, Aron; Price, Karen N; Gelber, Richard D; Bernhard, Jürg (2011). Cognitive function in postmenopausal breast cancer patients one year after completing adjuvant endocrine therapy with letrozole and/or tamoxifen in the BIG 1-98 trial. Breast cancer research and treatment, 126(1), pp. 221-6. Dordrecht: Springer US; http://www.springer-ny.com 10.1007/s10549-010-1235-y
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Endocrine therapy for breast cancer may affect cognition. The purpose of this study was to examine whether cognitive function improves after cessation of adjuvant endocrine therapy. Change in cognitive function was assessed in 100 postmenopausal breast cancer patients in the BIG 1-98 trial, who were randomized to receive 5 years of adjuvant tamoxifen or letrozole alone or in sequence. Cognitive function was evaluated by computerized tests during the fifth year of trial treatment (Y5) and 1 year after treatment completion (Y6). Cognitive test scores were standardized according to age-specific norms and the change assessed using the Wilcoxon signed-rank test. There was significant improvement in the composite cognitive function score from Y5 to Y6 (median of change = 0.22, effect size = 0.53, P < 0.0001). This improvement was consistent in women taking either tamoxifen or letrozole at Y5 (P = 0.0006 and P = 0.0002, respectively). For postmenopausal patients who received either adjuvant letrozole or tamoxifen alone or in sequence, cognitive function improved after cessation of treatment.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Medical Oncology |
UniBE Contributor: |
Bernhard, Jürg Theodor |
ISSN: |
0167-6806 |
Publisher: |
Springer US; http://www.springer-ny.com |
Language: |
English |
Submitter: |
Factscience Import |
Date Deposited: |
04 Oct 2013 14:20 |
Last Modified: |
02 Mar 2023 23:20 |
Publisher DOI: |
10.1007/s10549-010-1235-y |
PubMed ID: |
21046229 |
Web of Science ID: |
000286470200025 |
BORIS DOI: |
10.7892/boris.6477 |
URI: |
https://boris.unibe.ch/id/eprint/6477 (FactScience: 211444) |
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