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.
Disclaimer
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the original study
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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.
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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Women's College Hospital
RECRUITINGToronto, Ontario, M5S 1B2, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••