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Adherence to moderate-intensity exercise during breast cancer therapy
Mary Pickett1, Victoria Mock, Mary E Ropka
1Villanova University, College of Nursing, Villanova, Pennsylvania 19085, USA.
Cancer Practice
|October 31, 2002
Summary
This pilot study found that exercise adherence varied in breast cancer patients undergoing treatment. Women with a history of exercise attempted to maintain it, while sedentary individuals may need structured support for adherence.
Area of Science:
- Oncology
- Exercise Science
- Behavioral Medicine
Background:
- Adjuvant chemotherapy and radiation therapy are standard breast cancer treatments.
- Maintaining physical activity during cancer treatment can be challenging.
- Understanding exercise adherence is crucial for supportive cancer care.
Purpose of the Study:
- To examine adherence to a brisk walking program in breast cancer patients receiving adjuvant therapy.
- To investigate the impact of disease symptoms and treatment side effects on exercise levels.
- To propose strategies for improving exercise interventions in future clinical trials.
Main Methods:
- A prospective, randomized controlled trial involving 52 newly diagnosed breast cancer patients.
- Patients were assigned to either usual care or usual care plus a home-based brisk walking program.
- Daily self-report diaries tracked activity levels, symptoms, and side effects.
Main Results:
- A 'diffusion of treatment effect' was observed, with 50% of the usual care group maintaining moderate-intensity activity.
- 33% of the exercise group did not adhere to prescribed walking levels.
- No clinically significant differences in symptoms or side effects were found between groups.
Conclusions:
- Women who previously exercised regularly attempted to continue their programs during treatment.
- Sedentary women may require structured exercise programs with adherence support.
- Findings inform the design of future exercise interventions for cancer patients.
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