Can a smartphone app boost exercise and ease symptoms in breast cancer survivors?
NCT ID NCT05931874
First seen Jun 27, 2026 · Last updated Aug 13, 2026 · Updated 4 times
Summary
This study looks at whether a mobile health program that combines physical activity tracking with mindfulness lessons can help breast cancer survivors become more active and feel better. About 304 women who finished cancer treatment within the past 5 years will take part in a 24-week program and be followed for 48 weeks. The goal is to see which parts of the program—like social support or mindfulness training—work best to increase exercise and reduce symptoms like fatigue, anxiety, and poor sleep.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 304 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2024
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: For BCS * Female, age 18 years or older * Stage I-III breast cancer diagnosis within the past 5 years * Diagnosis of cancer between 18-39 years and within the past 5 years * ≥3 months post-completion of primary treatment (i.e., surgery, chemotherapy, and/or radiation); may still be undergoing endocrine or hormone therapies * Self-report engagement in \<60 min/week of MVPA * Score of 0 on all positive statement(s) of the Physical Activity Readiness Questionnaire (PAR-Q)18 or willingness to obtain medical clearance from a primary care physician or oncologist * Internet access and smartphone ownership * Fluency in spoken and written English * Willingness to find a buddy (someone who knows about their cancer and participation in this study and who is willing to participate by supporting them during the 24-week study), if assigned to that condition For "Buddies" * Friend, co-worker, caregiver or family member of a participating BCS * Age 18 years or older * Score of 0 on all positive statement(s) of the Physical Activity Readiness Questionnaire (PAR-Q)18 or willing to obtain medical clearance from a primary care physician * Internet access and smartphone ownership * Fluency in spoken and written English * Willingness to share their Fitbit data with the study team Exclusion Criteria: * Absolute contraindications to exercise (i.e., acute myocardial infarction, severe orthopedic conditions), metastatic disease, or planned elective surgery * Currently pregnant or plans to become pregnant * Plans to move out of the United States in next 18 months * Current enrollment in another dietary or physical activity trial * Inability to provide informed consent * Prisoners or other detained individuals
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Northwestern University
Chicago, Illinois, 60611, United States
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Other studies related to the condition(s) this trial covers.
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