Zapping stress: wearable device tested for first responder burnout

NCT ID NCT07109349

Recruiting now Symptom relief Sponsor: Spark Biomedical, Inc. Source: ClinicalTrials.gov ↗

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

Summary

This pilot study tests a wearable device called Sparrow Link that gently stimulates nerves in the ear to improve mental wellness in first responders. Thirty participants will use the device daily for 28 days and fill out questionnaires about stress, anxiety, sleep, and burnout over 8 weeks. The goal is to see if this non-invasive approach can ease mental fatigue and build resilience.

What this could mean

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

Active substance: Sparrow Link device (transcutaneous auricular neurostimulation)
What this could lead to: If it works, this could offer a drug-free, at-home option to help first responders manage daily stress and mental fatigue.
What could go wrong: This is a small, early pilot trial with no placebo group, so results may not be reliable or generalizable. The device may not reduce stress more than doing nothing.

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.

Mental Fatigue Stress, Psychological

As listed by the trial registrant

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

MENTAL FATIGUE MENTAL STRESS

Contacts and locations

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Study contacts

Contact

Email: •••••@•••••
Contact

Email: •••••@•••••

Locations

Spark Biomedical - DECENTRALIZED STUDY
RECRUITING

Dallas, Texas, 75252, United States

Contact Email: •••••@•••••

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