New inhaler could ease IUD insertion pain

NCT ID NCT07295054

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether inhaling a drug called methoxyflurane (Penthrox) can reduce pain and anxiety during IUD insertion. About 110 people will receive either the drug or a placebo inhaler. The goal is to see if this quick, self-administered pain relief improves patient satisfaction compared to 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
Methoxyflurane (Penthrox) inhaled via a handheld inhaler
What this could lead to
If it works, this could offer a fast, self-administered pain relief option for IUD insertion, making the procedure more comfortable.
What could go wrong
This is a small, early-phase trial (110 participants) comparing methoxyflurane to a placebo inhaler. It may not show a meaningful benefit, and side effects like dizziness or nausea are possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for IUD are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

As listed by the trial registrant

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

Contacts and locations

Locations

  • Women's College Hospital

    RECRUITING

    Toronto, Ontario, M5S 1B2, Canada

More trials for these conditions

Other studies related to the condition(s) this trial covers.