Tracking Physical Activity Throughout Chemotherapy for Breast Cancer
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ClinicalTrials.gov Identifier: NCT03041545 |
Recruitment Status :
Completed
First Posted : February 2, 2017
Last Update Posted : June 12, 2018
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Condition or disease | Intervention/treatment |
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Breast Cancer Physical Activity | Device: Fitbit |
Although there are many benefits of engaging in physical activity during cancer treatments, activity levels typically decline throughout treatment. Existing research has primarily relied on self-reported activity levels and only captured periodic snap shots or retrospective reports of activity levels, which are subject to recall bias. Exactly how activity levels change throughout chemotherapy is not known. This study will provide minute-by-minute level objective physical activity data across the entirety of the patient's chemotherapy treatments. This in depth data will provide a new perspective on the patterns of activity levels and help to identify if there are critical times in which to intervene to prevent declines in physical activity.
The investigators will assess the feasibility of the pre-treatment recruitment by documenting recruitment rates and participant acceptance of wearing the accelerometer.
Study Type : | Observational |
Actual Enrollment : | 32 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Tracking Physical Activity Throughout Chemotherapy for Breast Cancer |
Actual Study Start Date : | June 1, 2015 |
Actual Primary Completion Date : | February 8, 2018 |
Actual Study Completion Date : | February 8, 2018 |

Group/Cohort | Intervention/treatment |
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Fitbit
All participants will be asked to wear the Fitbit as much as possible and to sync it at least once a week, from one week prior to start of chemotherapy treatment to six months after ending chemotherapy.
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Device: Fitbit
Women enrolled in the study will be asked to wear a Fitbit from one week prior to chemotherapy until six months post-chemotherapy. The Fitbit is a watch-sized, wrist worn, physical activity tracker. A button, when pressed, displays the wearer's accumulated daily steps, mileage, and steps climbed. |
- Recruitment [ Time Frame: 06/01/2015-06/01/2018 ]Enrolling >20% of eligible patients
- Retention [ Time Frame: From date enrolled into the study until 1 week after the date of the last infusion center visit for chemotherapy, which is typically up to 6 months. ]>80% of participants wore the Fitbit for >80% of the days during chemotherapy treatment

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 21 Years to 85 Years (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Female
- Diagnosed with breast cancer
- Scheduled to receive chemotherapy, but has not yet started chemotherapy
- Receiving chemotherapy at a University of California, San Diego clinic
- Willingness to wear the Fitbit throughout the course of chemotherapy
- Access to a computer or Bluetooth enabled phone to sync Fitbit data
- Able to read and communicate in English
Exclusion Criteria:
• Serious physical limitation that greatly limits mobility

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03041545
United States, California | |
University of California, San Diego | |
La Jolla, California, United States, 92093 |
Principal Investigator: | Sheri J Hartman, PhD | Assistant Professor |
Responsible Party: | Sheri Hartman, Assistant Professor, University of California, San Diego |
ClinicalTrials.gov Identifier: | NCT03041545 |
Other Study ID Numbers: |
150860 5U54CA155435-05 ( U.S. NIH Grant/Contract ) |
First Posted: | February 2, 2017 Key Record Dates |
Last Update Posted: | June 12, 2018 |
Last Verified: | June 2018 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Breast Neoplasms Neoplasms by Site Neoplasms Breast Diseases Skin Diseases |