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Ear nerve zaps may unfreeze shoulders: new trial tests pain relief without drugs

NCT ID NCT07711353

Recruiting now Symptom relief Sponsor: Muhsin Doran Source: ClinicalTrials.gov ↗

First seen Jul 17, 2026 · Last updated Jul 17, 2026

Summary

This study tests whether adding a gentle electrical stimulation to the ear (transcutaneous auricular vagus nerve stimulation, or taVNS) to standard physiotherapy can reduce pain, improve shoulder movement, and boost quality of life in adults with frozen shoulder (adhesive capsulitis). Forty participants aged 18 to 65 will receive 15 physiotherapy sessions over three weeks, with either active taVNS or a sham device. Researchers will measure changes in pain and disability before and after treatment.

What this could mean

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

Active substance
transcutaneous auricular vagus nerve stimulation (taVNS) added to standard physiotherapy
What this could lead to
If it works, this could offer a drug-free way to boost recovery from frozen shoulder by combining nerve stimulation with standard exercises.
What could go wrong
This is a small, early-stage trial with only 40 participants, so results may not apply to everyone. The added benefit of taVNS over physiotherapy alone may be small or absent.

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.

bursitis

As listed by the trial registrant

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

ADHESIVE CAPSULITIS OF THE SHOULDER

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Liv hospital Vadistanbul

    RECRUITING

    Istanbul, Istanbul, 34381, Turkey (Türkiye)

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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