Can a fentanyl spray stop pain during cancer radiation?

NCT ID NCT02426697

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

Summary

This completed Phase 3 trial tested whether a fentanyl spray (Pecfent) could prevent pain when moving patients with bone metastases during radiotherapy. 39 adults with cancer that spread to bone and who had pain during positioning for radiation took part. The study compared fentanyl to a placebo to see if it reduced pain scores.

What this could mean

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

Active substance

fentanyl transmucosal (Pecfent)

What this could lead to

If effective, this could offer a way to prevent pain during radiotherapy sessions for people with bone metastases, making treatment more comfortable.

What could go wrong

This is a small, completed Phase 3 trial with only 39 participants, so results may not apply to everyone. Fentanyl is a strong opioid with risks like addiction and side effects.

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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Conditions

The condition(s) this trial relates to.

metastatic carcinoma in the bone Pain

As listed by the trial registrant

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

Contacts and locations

Locations

  • Centre Henri Becquerel

    Rouen, 76038, France