New scan could help doctors target neck cancer treatment more precisely

NCT ID NCT05055206

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

Summary

This study tested whether injecting a radioactive tracer around oropharynx tumors and using SPECT-CT scans can map lymph node drainage. Twelve patients with oropharynx cancer participated. The goal was to see if this imaging method is practical and could help guide treatment decisions.

What this could mean

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

Active substance
99m-Technetium sulfur colloid
What this could lead to
If successful, this imaging technique could help doctors better decide which side of the neck needs radiation or surgery, potentially reducing unnecessary treatment.
What could go wrong
This is a very small feasibility study with only 12 participants, so results may not apply broadly. The technique is still experimental and may not improve outcomes.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • London Health Sciences Centre

    London, Ontario, N6A 5W9, Canada

  • Princess Margaret Cancer Centre

    Toronto, Ontario, M5G 2M9, Canada

  • St. Joseph's Healthcare Hamilton

    Hamilton, Ontario, L8N 4A6, Canada

  • Sunnybrook Health Sciences Centre

    Toronto, Ontario, M4N 3M5, Canada

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