Can a hormone injection reveal how your nerves work?

NCT ID NCT04427709

First seen Jan 06, 2026 · Last updated May 11, 2026 · Updated 24 times

Summary

This study looks at how oxytocin, a natural hormone, affects the part of your nervous system that controls rest and digestion. Researchers will measure tiny changes in pupil size after an injection of oxytocin or a placebo. The study includes 38 adults with knee arthritis or healthy volunteers to understand how the nervous system works in chronic pain.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Study contacts

  • Contact

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

Locations

  • Wake Forest Baptist Health

    RECRUITING

    Winston-Salem, North Carolina, 27157, United States

    Contact

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

Conditions

Explore the condition pages connected to this study.