Brain zap and ice water test could unlock secrets of pain

NCT ID NCT06726018

ENROLLING_BY_INVITATION Knowledge-focused Sponsor: Priyanka Rana, PT, MPT, PhD Source: ClinicalTrials.gov ↗

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

Summary

This study looks at how the brain naturally turns down pain signals, a process called conditioned pain modulation (CPM). Researchers will use transcranial magnetic stimulation (TMS) to measure brain activity and apply mild pain (pressure, heat, cold) to 75 healthy adults. They also want to see if factors like optimism, stress, and cultural background affect pain control. This is not a treatment trial—it aims to understand pain mechanisms better.

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 research could reveal how the brain's pain-control pathways work and how factors like stress and optimism affect them, pointing toward better ways to prevent or treat chronic pain.
What could go wrong: This is a small, early-stage study in healthy volunteers, not patients. It measures brain activity and pain responses, not a treatment. Results may not apply to people with chronic pain.

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.

Pain

As listed by the trial registrant

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

HEALTHY ADULT

Contacts and locations

Locations

Department of Physical Therapy and Movement Science, University of Texas at El Paso

El Paso, Texas, 79902, United States

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