Simple toothbrushing lessons may slash radiation mouth pain for cancer patients

NCT ID NCT06690346

Completed Prevention Sponsor: West China Hospital Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 30, 2026 · Updated 2 times

Summary

This study tested whether giving head and neck cancer patients detailed oral hygiene and diet instructions can prevent painful mouth sores caused by radiation. 150 patients were split into two groups: one got standard advice, the other got step-by-step oral care training. Researchers tracked how many developed severe mouth inflammation (mucositis) and how quickly it started.

What this could mean

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

Active substance: oral health education
What this could lead to: If it works, this simple education program could become a standard way to reduce painful mouth sores during head and neck cancer radiotherapy.
What could go wrong: This is a completed Phase 3 trial, but the intervention is just education—not a drug. The benefit may be modest, and results may not apply to all patients or settings.

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

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Conditions

The condition(s) this trial relates to.

head and neck cancer Head and Neck Neoplasms

As listed by the trial registrant

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

MALIGNANT TUMOR OF HEAD AND/OR NECK RADIOTHERAPY; COMPLICATIONS

Contacts and locations

Locations

West China Hospital, Sichuan University

Chengdu, Sichuan, China

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