Could a simple estrogen pill reveal hidden oxytocin deficiency?

NCT ID NCT07361263

First seen Jun 27, 2026 · Last updated Aug 12, 2026 · Updated 2 times

Summary

This study is testing whether taking estrogen pills (estradiol valerate or ethinylestradiol) can safely trigger the release of oxytocin, a hormone important for social bonding and childbirth. Researchers will measure oxytocin levels in 28 healthy volunteers and patients with AVP deficiency (a condition affecting water balance). The goal is to develop a new diagnostic test for oxytocin deficiency, not to treat any disease.

What this could mean

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

Active substance
estradiol valerate and ethinylestradiol (estrogen pills)
What this could lead to
If successful, this could lead to a safe, simple diagnostic test for oxytocin deficiency, helping doctors identify and manage this condition more accurately.
What could go wrong
This is a very early, small study (28 participants) focused on measuring hormone levels, not treating disease. The approach may not reliably stimulate oxytocin or may cause side effects from estrogen.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • University Hospital Basel

    RECRUITING

    Basel, 4031, Switzerland

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