Can cycling plus a gentle brain zap ease fibromyalgia pain?

NCT ID NCT07323199

Not yet recruiting Symptom relief Sponsor: Universidad Nacional Andres Bello Source: ClinicalTrials.gov ↗

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

Summary

This study tests whether combining high-intensity interval training (HIIT) with a gentle brain stimulation technique called tDCS can reduce pain, fatigue, and sleep problems in women with fibromyalgia. Forty women will be assigned to HIIT plus real tDCS, HIIT plus a sham device, or HIIT alone. The goal is to see if the combination works better than exercise alone for managing symptoms.

What this could mean

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

Active substance: high-intensity interval training (HIIT) and transcranial direct current stimulation (tDCS)
What this could lead to: If it works, this could point toward a more effective, drug-free way to reduce pain and fatigue in women with fibromyalgia.
What could go wrong: This is a small, early-stage trial with only 40 participants, so results may not apply to everyone. The sham group helps test if the brain stimulation adds real benefit beyond exercise alone.

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Conditions

The condition(s) this trial relates to.

fibromyalgia Pain

As listed by the trial registrant

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

FIBROMYALGIA (FM)

Contacts and locations

Locations

Excercise and Rehabilitation Sciences Institute, Universidad Nacional Andres Bello

Santiago, Santiago Metropolitan, 7591538, Chile

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