Your iPhone could be your next cancer symptom tracker

NCT ID NCT04465214

Completed Knowledge-focused Sponsor: National Cancer Institute (NCI) Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Aug 14, 2026 · Updated 2 times

Summary

This study tested whether iPhones and Apple Watches can reliably collect health data from people with cancer. 49 adults undergoing cancer treatment wore an Apple Watch and used an iPhone for 4 months to track activity, fatigue, and thinking skills. The goal was to see if these devices could help doctors monitor symptoms and quality of life in a simple, non-invasive way.

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Conditions

The condition(s) this trial relates to.

cancer colon carcinoma colonic neoplasm lung cancer lung neoplasm neoplasm prostate cancer

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COLON CANCER LUNG CANCER NEOPLASMS PROSTATE CANCER SOLID TUMORS

Contacts and locations

Locations

National Institutes of Health Clinical Center

Bethesda, Maryland, 20892, United States

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