Recruitment to a physical activity intervention study in women at increased risk of breast cancer

BACKGROUND There is limited knowledge regarding the potential benefits of physical activity in patients with metastatic breast cancer. OBJECTIVE The Advanced stage Breast cancer and Lifestyle Exercise (ABLE) Trial aimed to assess the feasibility of a physical activity intervention in women with metastatic breast cancer and to explore the effects of physical activity on functional, psychological, and clinical parameters. METHODS The ABLE Trial was a single-arm, 6-month intervention study with a home-based, unsupervised, and personalized walking program using an activity tracker. At baseline and 6 months, we assessed anthropometrics, functional fitness, physical activity level, sedentary behavior, quality of life, fatigue, and tumor progression. Paired proportions were compared using the McNemar test and changes of parameters during the intervention were analyzed using the Wilcoxon signed-rank test, the Mann-Whitney test, and Spearman rank correlations. RESULTS Overall, 49 participants (mean age 55 years; recruitment rate 94%) were enrolled and 96% adhered to the exercise prescription (attrition rate 2%). Statistically significant improvements in the 6-minute walking distance test (+7%, P<.001) and isometric quadriceps strength (+22%, P<.001), as well as decreases in body mass index (-2.5%, P=.03) and hip circumference (-4.0%, P<.001) were observed at 6 months. Quality of life remained stable and a nonstatistically significant decrease (-16%, P=.07) in fatigue was observed. CONCLUSIONS The high recruitment and adherence rates suggest the willingness of patients with metastatic breast cancer to participate in a physical activity program. The beneficial outcomes regarding physical fitness and anthropometry of this unsupervised physical activity program may encourage these patients to maintain a physically active lifestyle. Future randomized controlled trials with larger sample sizes are warranted. CLINICALTRIAL ClinicalTrials.gov NCT03148886; https://clinicaltrials.gov/ct2/show/NCT03148886 INTERNATIONAL REGISTERED REPORT RR2-10.2196/10487

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A pilot study of a physical activity intervention targeted towards women at increased risk for breast cancer

Psycho-Oncology ◽

10.1002/pon.2101 ◽

2011 ◽

Vol 22 (2) ◽

pp. 381-387 ◽

Cited By ~ 7

Author(s):

Sheri J. Hartman ◽

Shira I. Dunsiger ◽

Bess H. Marcus

Keyword(s):

Breast Cancer ◽

Physical Activity ◽

Pilot Study ◽

Physical Activity Intervention ◽

Increased Risk

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Feasibility and Health Benefits of an Individualized Physical Activity Intervention in Women With Metastatic Breast Cancer: Intervention Study

JMIR mhealth and uhealth ◽

10.2196/12306 ◽

2020 ◽

Vol 8 (1) ◽

pp. e12306

Author(s):

Lidia Delrieu ◽

Vincent Pialoux ◽

Olivia Pérol ◽

Magali Morelle ◽

Agnès Martin ◽

...

Keyword(s):

Breast Cancer ◽

Quality Of Life ◽

Physical Activity ◽

Metastatic Breast Cancer ◽

Intervention Study ◽

Physical Activity Intervention ◽

Metastatic Breast ◽

Physical Activity Program ◽

Activity Program

Background There is limited knowledge regarding the potential benefits of physical activity in patients with metastatic breast cancer. Objective The Advanced stage Breast cancer and Lifestyle Exercise (ABLE) Trial aimed to assess the feasibility of a physical activity intervention in women with metastatic breast cancer and to explore the effects of physical activity on functional, psychological, and clinical parameters. Methods The ABLE Trial was a single-arm, 6-month intervention study with a home-based, unsupervised, and personalized walking program using an activity tracker. At baseline and 6 months, we assessed anthropometrics, functional fitness, physical activity level, sedentary behavior, quality of life, fatigue, and tumor progression. Paired proportions were compared using the McNemar test and changes of parameters during the intervention were analyzed using the Wilcoxon signed-rank test, the Mann-Whitney test, and Spearman rank correlations. Results Overall, 49 participants (mean age 55 years; recruitment rate 94%) were enrolled and 96% adhered to the exercise prescription (attrition rate 2%). Statistically significant improvements in the 6-minute walking distance test (+7%, P<.001) and isometric quadriceps strength (+22%, P<.001), as well as decreases in body mass index (-2.5%, P=.03) and hip circumference (-4.0%, P<.001) were observed at 6 months. Quality of life remained stable and a nonstatistically significant decrease (-16%, P=.07) in fatigue was observed. Conclusions The high recruitment and adherence rates suggest the willingness of patients with metastatic breast cancer to participate in a physical activity program. The beneficial outcomes regarding physical fitness and anthropometry of this unsupervised physical activity program may encourage these patients to maintain a physically active lifestyle. Future randomized controlled trials with larger sample sizes are warranted. Trial Registration ClinicalTrials.gov NCT03148886; https://clinicaltrials.gov/ct2/show/NCT03148886

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Effects of a 1-Year Physical Activity Intervention on Markers of Hemostasis among Breast Cancer Survivors: A Randomized Controlled Trial

TH Open ◽

10.1055/s-0040-1721782 ◽

2021 ◽

Vol 05 (01) ◽

pp. e14-e23

Author(s):

Siv Kjølsrud Bøhn ◽

Inger Thune ◽

Vidar Gordon Flote ◽

Hanne Frydenberg ◽

Gro Falkenér Bertheussen ◽

...

Keyword(s):

Breast Cancer ◽

Physical Activity ◽

Postmenopausal Women ◽

Cancer Patients ◽

Physical Activity Intervention ◽

Intervention Group ◽

Factor Vii ◽

Breast Cancer Patients ◽

Hemostatic Factors

Abstract Introduction Physical activity may reduce the development of breast cancer. Whereas hypercoagulability has been linked to adverse outcomes in breast cancer patients, the effects of physical activity on their hemostatic factors are unknown. The study aimed to assess whether long-term (1 year) physical activity can affect hemostatic factors in breast cancer patients. Methods Fifty-five women (35–75 years) with invasive breast cancer stage I/II were randomized to a physical activity intervention (n = 29) lasting 1 year or to a control group (n = 26), and analyzed as intention to treat. Fibrinogen, factor VII antigen, tissue factor pathway inhibitor, and von Willebrand factor (VWF) antigen as well as prothrombin fragment 1 + 2, the endogenous thrombin potential and D-dimer, were measured in plasma before intervention (baseline), and then after 6 and 12 months. Results Maximal oxygen uptake (measure of cardiorespiratory fitness) decreased the first 6 months among the controls, but remained stable in the intervention group. We found no significant differences between the two study groups regarding any of the hemostatic factors, except a significantly higher increase in factor VII antigen in the intervention group. The effect of the intervention on VWF was, however, significantly affected by menopausal stage, and a significant effect of the intervention was found on VWF among postmenopausal women, even after adjustment for dietary intake. Conclusion Long-term physical activity had no effect on the majority of the hemostatic factors measured, but led to increased plasma concentrations of factor VII antigen and prevented an increase in VWF concentration after breast cancer treatment in postmenopausal women. The clinical impact of these findings for risk of vascular thrombosis warrants further studies.

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