Smartwatch monitoring of vital signs during chemotherapy

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This single-center prospective observational project enrolls adults with stomach or esophageal cancer starting systemic chemotherapy at Erasmus MC. Participants begin wearing a Fitbit about a week before their first chemotherapy cycle (target 4–7 days) and are asked to wear it day and night through the first two cycles or up to three months to continuously record vital signs. Investigators review device data at clinic visits at the start of subsequent cycles to compare on-treatment measurements with each patient's baseline. The aim is to see whether a consumer wearable reliably captures chemotherapy-related changes in heart rate, activity, and other parameters that could signal emerging clinical problems.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Age ≥18 years;
* Diagnosis of stomach or esophageal cancer with an indication of starting chemotherapy
* Knowledge how to handle a Fitbit
* Mastery of Dutch language
* Able and willing to give written informed consent

Exclusion Criteria:

* Cognitive disorders or severe emotional instability
* Already participating in an exercise trial

Where it's running

• Erasmus University Medical Center
  Rotterdam, South Holland, Netherlands Recruiting

Study contacts

• Study coordinator: Jason den Duijn, MSc.
• Email: j.denduijn@erasmusmc.nl
• Phone: +31107040704

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.