Sweat sensors could replace needles for drug monitoring

NCT ID NCT04160429

Recruiting now Knowledge-focused Sponsor: City of Hope Medical Center Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This pilot study is testing whether a smart wristband can accurately measure drug levels in sweat compared to standard blood tests. Researchers will collect sweat, saliva, and blood samples from 100 patients with chronic or infectious diseases who are taking medications like cyclophosphamide or metformin. The goal is to see if wearable sweat sensors can reliably monitor drug concentrations for easier, less invasive health tracking.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this could lead to a non-invasive way to monitor drug levels using a wearable sweat sensor, reducing the need for frequent blood draws.
What could go wrong: This is a small pilot study focused on measurement accuracy, not treatment. The technology may not be sensitive enough for very low drug concentrations in sweat.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Chronic Disease infectious disease

As listed by the trial registrant

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

CHRONIC DISEASE INFECTIOUS DISORDER

Contacts and locations

Locations

City of Hope Medical Center
RECRUITING

Duarte, California, 91010, United States

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