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  • 1
    Online Resource
    Online Resource
    Postdiagnosis body fatness, weight change and breast cancer prognosis: Global Cancer Update Program (CUP global) systematic literature review and meta‐analysis
    Wiley ; 2023
    In:  International Journal of Cancer Vol. 152, No. 4 ( 2023-02-15), p. 572-599
    Details
    In: International Journal of Cancer, Wiley, Vol. 152, No. 4 ( 2023-02-15), p. 572-599
    Abstract: Previous evidence on postdiagnosis body fatness and mortality after breast cancer was graded as limited‐suggestive. To evaluate the evidence on body mass index (BMI), waist circumference, waist‐hip‐ratio and weight change in relation to breast cancer prognosis, an updated systematic review was conducted. PubMed and Embase were searched for relevant studies published up to 31 October, 2021. Random‐effects meta‐analyses were conducted to estimate summary relative risks (RRs). The evidence was judged by an independent Expert Panel using pre‐defined grading criteria. One randomized controlled trial and 225 observational studies were reviewed (220 publications). There was strong evidence (likelihood of causality: probable) that higher postdiagnosis BMI was associated with increased all‐cause mortality (64 studies, 32 507 deaths), breast cancer‐specific mortality (39 studies, 14 106 deaths) and second primary breast cancer (11 studies, 5248 events). The respective summary RRs and 95% confidence intervals per 5 kg/m 2 BMI were 1.07 (1.05‐1.10), 1.10 (1.06‐1.14) and 1.14 (1.04‐1.26), with high between‐study heterogeneity ( I 2  = 56%, 60%, 66%), but generally consistent positive associations. Positive associations were also observed for waist circumference, waist‐hip‐ratio and all‐cause and breast cancer‐specific mortality. There was limited‐suggestive evidence that postdiagnosis BMI was associated with higher risk of recurrence, nonbreast cancer deaths and cardiovascular deaths. The evidence for postdiagnosis (unexplained) weight or BMI change and all outcomes was graded as limited‐no conclusion. The RCT showed potential beneficial effect of intentional weight loss on disease‐free‐survival, but more intervention trials and well‐designed observational studies in diverse populations are needed to elucidate the impact of body composition and their changes on breast cancer outcomes.
    Type of Medium: Online Resource
    ISSN: 0020-7136 , 1097-0215
    URL: Issue
    URL: Article
    DOI: 10.1002/ijc.v152.4
    DOI: 10.1002/ijc.34322
    RVK:
    XA 10000
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 218257-9
    detail.hit.zdb_id: 1474822-8
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  • 2
    Online Resource
    Online Resource
    Postdiagnosis dietary factors, supplement use and breast cancer prognosis: Global Cancer Update Programme ( CUP Global) systematic literature review and meta‐analysis
    Wiley ; 2023
    In:  International Journal of Cancer Vol. 152, No. 4 ( 2023-02-15), p. 616-634
    Details
    In: International Journal of Cancer, Wiley, Vol. 152, No. 4 ( 2023-02-15), p. 616-634
    Abstract: Little is known about how diet might influence breast cancer prognosis. The current systematic reviews and meta‐analyses summarise the evidence on postdiagnosis dietary factors and breast cancer outcomes from randomised controlled trials and longitudinal observational studies. PubMed and Embase were searched through 31st October 2021. Random‐effects linear dose‐response meta‐analysis was conducted when at least three studies with sufficient information were available. The quality of the evidence was evaluated by an independent Expert Panel. We identified 108 publications. No meta‐analysis was conducted for dietary patterns, vegetables, wholegrains, fish, meat, and supplements due to few studies, often with insufficient data. Meta‐analysis was only possible for all‐cause mortality with dairy, isoflavone, carbohydrate, dietary fibre, alcohol intake and serum 25‐hydroxyvitamin D (25(OH)D), and for breast cancer‐specific mortality with fruit, dairy, carbohydrate, protein, dietary fat, fibre, alcohol intake and serum 25(OH)D. The results, with few exceptions, were generally null. There was limited‐suggestive evidence that predefined dietary patterns may reduce the risk of all‐cause and other causes of death; that isoflavone intake reduces the risk of all‐cause mortality (relative risk (RR) per 2 mg/day: 0.96, 95% confidence interval (CI): 0.92‐1.02), breast cancer‐specific mortality (RR for high vs low: 0.83, 95% CI: 0.64‐1.07), and recurrence (RR for high vs low: 0.75, 95% CI: 0.61‐0.92); that dietary fibre intake decreases all‐cause mortality (RR per 10 g/day: 0.87, 95% CI: 0.80‐0.94); and that serum 25(OH)D is inversely associated with all‐cause and breast cancer‐specific mortality (RR per 10 nmol/L: 0.93, 95% CI: 0.89‐0.97 and 0.94, 95% CI: 0.90‐0.99, respectively). The remaining associations were graded as limited‐no conclusion.
    Type of Medium: Online Resource
    ISSN: 0020-7136 , 1097-0215
    URL: Issue
    URL: Article
    DOI: 10.1002/ijc.v152.4
    DOI: 10.1002/ijc.34321
    RVK:
    XA 10000
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 218257-9
    detail.hit.zdb_id: 1474822-8
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  • 3
    Online Resource
    Online Resource
    Postdiagnosis recreational physical activity and breast cancer prognosis: Global Cancer Update Programme ( CUP Global) systematic literature review and meta‐analysis
    Wiley ; 2023
    In:  International Journal of Cancer Vol. 152, No. 4 ( 2023-02-15), p. 600-615
    Details
    In: International Journal of Cancer, Wiley, Vol. 152, No. 4 ( 2023-02-15), p. 600-615
    Abstract: It is important to clarify the associations between modifiable lifestyle factors such as physical activity and breast cancer prognosis to enable the development of evidence‐based survivorship recommendations. We performed a systematic review and meta‐analyses to summarise the evidence on the relationship between postbreast cancer diagnosis physical activity and mortality, recurrence and second primary cancers. We searched PubMed and Embase through 31st October 2021 and included 20 observational studies and three follow‐up observational analyses of patients enrolled in clinical trials. In linear dose‐response meta‐analysis of the observational studies, each 10‐unit increase in metabolic equivalent of task (MET)‐h/week higher recreational physical activity was associated with 15% and 14% lower risk of all‐cause (95% confidence interval [CI]: 8%‐22%, studies = 12, deaths = 3670) and breast cancer‐specific mortality (95% CI: 4%‐23%, studies = 11, deaths = 1632), respectively. Recreational physical activity was not associated with breast cancer recurrence (HR = 0.97, 95% CI: 0.91‐1.05, studies = 6, deaths = 1705). Nonlinear dose‐response meta‐analyses indicated 48% lower all‐cause and 38% lower breast cancer‐specific mortality with increasing recreational physical activity up to 20 MET‐h/week, but little further reduction in risk at higher levels. Predefined subgroup analyses across strata of body mass index, hormone receptors, adjustment for confounders, number of deaths, menopause and physical activity intensities were consistent in direction and magnitude to the main analyses. Considering the methodological limitations of the included studies, the independent Expert Panel concluded ‘limited‐suggestive’ likelihood of causality for an association between recreational physical activity and lower risk of all‐cause and breast cancer‐specific mortality.
    Type of Medium: Online Resource
    ISSN: 0020-7136 , 1097-0215
    URL: Issue
    URL: Article
    DOI: 10.1002/ijc.v152.4
    DOI: 10.1002/ijc.34324
    RVK:
    XA 10000
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 218257-9
    detail.hit.zdb_id: 1474822-8
    Location Call Number Limitation Availability
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  • 4
    Online Resource
    Online Resource
    Postdiagnosis body fatness, recreational physical activity, dietary factors and breast cancer prognosis: Global Cancer Update Programme ( CUP Global) summary of evidence grading
    Wiley ; 2023
    In:  International Journal of Cancer Vol. 152, No. 4 ( 2023-02-15), p. 635-644
    Details
    In: International Journal of Cancer, Wiley, Vol. 152, No. 4 ( 2023-02-15), p. 635-644
    Abstract: Based on the Global Cancer Update Programme, formally known as the World Cancer Research Fund/American Institute for Cancer Research Continuous Update Project, we performed systematic reviews and meta‐analyses to investigate the association of postdiagnosis body fatness, physical activity and dietary factors with breast cancer prognosis. We searched PubMed and Embase for randomised controlled trials and longitudinal observational studies from inception to 31 October 2021. We calculated summary relative risks (RRs) and 95% confidence intervals (CIs) using random‐effects meta‐analyses. An independent Expert Panel graded the quality of evidence according to predefined criteria. The evidence on postdiagnosis body fatness and higher all‐cause mortality (RR per 5 kg/m 2 in body mass index: 1.07, 95% CI: 1.05‐1.10), breast cancer‐specific mortality (RR: 1.10, 95% CI: 1.06‐1.14) and second primary breast cancer (RR: 1.14, 95% CI: 1.04‐1.26) was graded as strong (likelihood of causality: probable). The evidence for body fatness and breast cancer recurrence and other nonbreast cancer‐related mortality was graded as limited (likelihood of causality: limited‐suggestive). The evidence on recreational physical activity and lower risk of all‐cause (RR per 10 metabolic equivalent of task‐hour/week: 0.85, 95% CI: 0.78‐0.92) and breast cancer‐specific mortality (RR: 0.86, 95% CI: 0.77‐0.96) was judged as limited‐suggestive. Data on dietary factors was limited, and no conclusions could be reached except for healthy dietary patterns, isoflavone and dietary fibre intake and serum 25(OH)D concentrations that were graded with limited‐suggestive evidence for lower risk of the examined outcomes. Our results encourage the development of lifestyle recommendations for breast cancer patients to avoid obesity and be physically active.
    Type of Medium: Online Resource
    ISSN: 0020-7136 , 1097-0215
    URL: Issue
    URL: Article
    DOI: 10.1002/ijc.v152.4
    DOI: 10.1002/ijc.34320
    RVK:
    XA 10000
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 218257-9
    detail.hit.zdb_id: 1474822-8
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  • 5
    Online Resource
    Online Resource
    Physical Activity and Health-Related Quality of Life in Women With Breast Cancer: A Meta-Analysis
    Oxford University Press (OUP) ; 2022
    In:  JNCI Cancer Spectrum Vol. 6, No. 6 ( 2022-11-01)
    Details
    In: JNCI Cancer Spectrum, Oxford University Press (OUP), Vol. 6, No. 6 ( 2022-11-01)
    Abstract: Physical activity (PA) is associated with improved health-related quality of life (HRQoL) among women with breast cancer; however, uncertainty remains regarding PA types and dose (frequency, duration, intensity) and various HRQoL measures. A systematic review and meta-analysis of randomized controlled trials was conducted to clarify whether specific types and doses of physical activity was related to global and specific domains of HRQoL, as part of the Global Cancer Update Programme, formerly known as the World Cancer Research Fund–American Institute for Cancer Research Continuous Update Project. Methods PubMed and CENTRAL databases were searched up to August 31, 2019. Weighted mean differences (WMDs) in HRQoL scores were estimated using random effects models. An independent expert panel graded the evidence. Results A total of 79 randomized controlled trials (14 554 breast cancer patients) were included. PA interventions resulted in higher global HRQoL as measured by the Functional Assessment of Cancer Therapy–Breast (WMD = 5.94, 95% confidence intervals [CI] = 2.64 to 9.24; I2 = 59%, n = 12), Functional Assessment of Cancer Therapy–General (WMD = 4.53, 95% CI = 1.94 to 7.13; I2 = 72%, n = 18), and European Organization for Research and Treatment of Cancer Quality of Life Questionnaire–C30 (WMD = 6.78, 95% CI = 2.61 to 10.95; I2 = 76.3%, n = 17). The likelihood of causality was considered probable that PA improves HRQoL in breast cancer survivors. Effects were weaker for physical function and mental and emotional health. Evidence regarding dose and type of PA remains insufficient for firm conclusions. Conclusion PA results in improved global HRQoL in breast cancer survivors with weaker effects observed for physical function and mental and emotional health. Additional research is needed to define the impact of types and doses of activity on various domains of HRQoL.
    Type of Medium: Online Resource
    ISSN: 2515-5091
    URL: Article
    DOI: 10.1093/jncics/pkac072
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2975772-1
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