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Randomized controlled trial of increasing physical activity on objectively measured and self‐reported cognitive functioning among breast cancer survivors: The memory & motion study
Open accessAbstract
BACKGROUND: Increasing physical activity can improve cognition in healthy and cognitively impaired adults; however, the benefits for cancer survivors are unknown. The current study examined a 12‐week physical activity intervention, compared with a control condition, on objective and self‐reported cognition among breast cancer survivors. METHODS: Sedentary breast cancer survivors were randomized to an exercise arm (n = 43) or a control arm (n = 44). At baseline and at 12 weeks, objective cognition was measured with the National Institutes of Health Cognitive Toolbox, and self‐reported cognition using the Patient‐Reported Outcomes Measurement Information System scales. Linear mixed‐effects regression models tested intervention effects for changes in cognition scores. RESULTS: On average, participants (n = 87) were aged 57 years (standard deviation, 10.4 years) and were 2.5 years (standard deviation, 1.3 years) post surgery. Scores on the Oral Symbol Digit subscale (a measure of processing speed) evidenced differential improvement in the exercise arm versus the control arm (b = 2.01; P < .05). The between‐group differences in improvement on self‐reported cognition were not statistically significant but were suggestive of potential group differences. Time since surgery moderated the correlation, and participants who were ≤2 years post surgery had a significantly greater improvement in Oral Symbol Digit score (exercise vs control (b = 4.00; P < .01), but no significant improvement was observed in patients who were >2 years postsurgery (b = −1.19; P = .40). A significant dose response was observed with greater increased physical activity associated with objective and self‐reported cognition in the exercise arm. CONCLUSIONS: The exercise intervention significantly improved processing speed, but only among those who had been diagnosed with breast cancer within the past 2 years. Slowed processing speed can have substantial implications for independent functioning, supporting the potential importance of early implementation of an exercise intervention among patients with breast cancer. Cancer 2018;124:192‐202 . © 2017 American Cancer Society .
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“Two of the included studies [34,44] reported a significant increase in daily steps, 4 studies [30,34,36,53] reported a significant increase in MVPA, and 2 studies [45,47] reported a significant increase in energy expenditure for the intervention group compared with control.”
From Consumer-based wearable activity trackers increase physical activity participation: systematic review and meta-analysis (2019) · cites this paper as [36]
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“In addition, 3 studies [36,48,54] were assessed as high risk for selective outcome reporting”
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“A total of 26 studies were included across all meta-analyses [21,22,29-48,50-53].”
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“Furthermore, 17 studies specified that the participant must have regular access to the internet, a computer, tablet, and/or smartphone [21,30,33,35-37,39,41-47,51-53]”
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3rd ESO–ESMO International Consensus Guidelines for Advanced Breast Cancer (ABC 3)
Cardoso, F., Costa, A., Senkus, E., Aapro, M., André, F., Barrios, C. H., Bergh, J. C. S., Bhattacharyya, G. S., Biganzoli, L., Cardoso, M. J., et al. (2016) · Annals of Oncology · doi:10.1093/annonc/mdw544 · Cited by 2,046
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Cardoso, F., Paluch-Shimon, S., Senkus, E., Curigliano, G., Aapro, M. S., André, F., Barrios, C. H., Bergh, J., Bhattacharyya, G. S., Biganzoli, L., et al. (2020) · Annals of Oncology · doi:10.1016/j.annonc.2020.09.010 · Cited by 1,369
Breast cancer: pathogenesis and treatments
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Metadata
- Authors
- Hartman, S. J., Nelson, S. H., Myers, E., Natarajan, L., Sears, D. D., Palmer, B. W., Weiner, L. S., Parker, B. A., & Patterson, R. E.
- Affiliations
- University of California San Diego (US)
- Corresponding author
- Hartman, Sheri J.
- ORCID
- Venue
- Cancer
- Publisher
- Wiley
- Published
- 2017-09-19
- Volume
- 124
- Issue
- 1
- Pages
- 192-202
- ISSN
- 0008-543X (ISSN-L)
- 1097-0142
- PMC
- PMC5735009
- OpenAlex
- W2756172936
- Cited by
- 188
- References
- 76
- Citations by year
- 2026: 17 · 2025: 23 · 2024: 24 · 2023: 25 · 2022: 24 · 2021: 25 · 2020: 18 · 2019: 20 · 2018: 10 · 2017: 1
- FWCI
- 11.08
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Cancer (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- Funders
- NIH (K07CA181323)
- Topics
- Health Sciences › Medicine › Oncology › Cancer-related cognitive impairment studies
- Health Sciences › Medicine › Oncology › Cancer survivorship and care
- Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Intensive Care Unit Cognitive Disorders
- Keywords
- breast cancer survivors, physical activity interventions, physical activity, cognitive function, processing speed, memory, sedentary behavior, time since surgery, dose-response relationship, objective cognition, self-reported cognition, NIH Toolbox, PROMIS
- MeSH terms
- Cancer Survivors, Aged, Breast Neoplasms, Cognition, Exercise Therapy, Female, Humans, Memory, Middle Aged, Neuropsychological Tests, Exercise, Sedentary Behavior, Self Report, Cognitive Dysfunction
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