Using activity trackers to monitor lifestyle changes in older women with breast cancer

Digital Phenotyping (Physical Activity, Sleep) in Women Over 70 Years of Age Treated for Breast Cancer With Any Type of Treatment

Not applicable Interventional Institut Curie · NCT05634395

This study tests whether using activity trackers can help older women who have been treated for breast cancer improve their health and lifestyle over a year.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment200 (estimated)
Ages70 Years and up
SexFemale
SponsorInstitut Curie Academic / other
Drugs / interventionschemotherapy
Locations4 sites (Lyon and 3 other locations)
Trial IDNCT05634395 on ClinicalTrials.gov

What this trial studies

GrannyFit is a national, multicenter study focusing on women over 70 years of age who have been treated for breast cancer. Participants will wear a Withings Steel activity tracker continuously for 12 months to monitor their physical activity, sleep patterns, and overall lifestyle changes. Assessments will be conducted at baseline, 6 months, and 12 months to evaluate clinical parameters, quality of life, fatigue, and physical activity. The study aims to identify unmet needs in this population and optimize their care through tailored interventions.

Who should consider this trial

Good fit: Ideal candidates are women over 70 years old with histologically confirmed invasive breast cancer, regardless of treatment type.

Not a fit: Patients with disabling metastases or severe cognitive impairment may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the quality of life and care for older women with breast cancer by providing insights into their lifestyle and health needs.

How similar studies have performed: Other studies utilizing digital phenotyping and activity tracking in cancer patients have shown promise, indicating potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Women over 70 years of age,
* With histologically confirmed invasive breast cancer,
* Regardless of histological subtype (hormone receptor positive (HR+), negative (HR-), with or without HER2 overexpression, or triple negative)
* Treated with local (surgery, radiotherapy) or systemic (hormone therapy, monotherapy, anti HER2, chemotherapy: patient is eligible for inclusion up to one month after initial diagnosis or recurrence (local or distant) of breast cancer,
* PS ≤ 2,
* Willing and available to invest in the project for the duration of the study,
* Using a personal smartphone or personal tablet compatible with the "Withings Health Mate" app (iOS 10/android 5.0 and later) and with an internet connection,
* Affiliated with a social security plan,
* Having dated and signed an informed consent,
* Able to read, write and understand French.

Exclusion Criteria:

* Presence of disabling metastases,
* Moderate to severe cognitive impairment,
* Persons deprived of liberty or under guardianship,
* Inability to undergo the medical follow-up of the trial for geographical, social or psychological reasons,

Where this trial is running

Lyon and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Breast Cancerdigitalactivity trackerlifestyleprevention
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.