New IV fentanyl strategy aims to improve opioid addiction treatment

NCT ID NCT05905367

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

Summary

This completed Phase 4 trial tested a new way to start oral opioid addiction therapy for people who use fentanyl. Participants received medically supervised IV fentanyl until comfortable, then were given tailored doses of methadone or slow-release oral morphine. The study enrolled 48 adults with opioid use disorder to see if this approach is safe and helps them stay on treatment longer.

What this could mean

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

Active substance

fentanyl and methadone or slow-release oral morphine

What this could lead to

If successful, this approach could help people with severe fentanyl addiction start and stay on standard oral treatment more effectively.

What could go wrong

This is a small, completed Phase 4 trial with only 48 participants. The IV fentanyl method carries risks like sedation or breathing problems, and results may not apply to all patients.

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.

Get updates

Get notified about this study

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

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

opiate dependence

As listed by the trial registrant

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

Contacts and locations

Locations

  • Hope to Health Research & Innovation Centre

    Vancouver, British Columbia, V6A 1H2, Canada