Fetal anesthesia mystery: tiny study aims to make surgery safer for unborn babies

NCT ID NCT07571811

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

Summary

This study will measure how three common anesthesia drugs—fentanyl, rocuronium, and atropine—behave in fetuses during maternal-fetal surgery. Researchers will analyze discarded fetal blood samples and track heart rate and movement to understand drug effects. The goal is to create safer, evidence-based dosing guidelines for fetal anesthesia. The study involves 10 pregnant women and does not change standard care.

What this could mean

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

Active substance

fentanyl, rocuronium, and atropine

What this could lead to

If successful, this could lead to safer, more precise anesthesia dosing for fetuses during surgery, tailored to their age and size.

What could go wrong

This is a very small observational study (10 participants) that does not test a new treatment. It only measures drug levels in discarded blood samples, so it may not directly change care.

Disclaimer Read more

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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As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Boston Children's Hospital

    Boston, Massachusetts, 02115, United States

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