Can arginine and glutamine soothe radiation mouth pain?
NCT ID NCT07020754
First seen Feb 02, 2026 · Last updated Jun 19, 2026 · Updated 21 times
Summary
This study tested whether mouth rinses containing the amino acids arginine or glutamine could reduce the severity of painful mouth sores caused by radiation therapy in head and neck cancer patients. 69 participants swished and swallowed these supplements three times daily during weeks 2 to 7 of their radiation treatment. Researchers measured inflammation markers, pain levels, and quality of life to see if either supplement helped more than a placebo.
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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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Locations
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Faculty of Dentistry, Future University in Egypt
Cairo, Cairo Governorate, 10226, Egypt
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
L-arginine and L-glutamine oral suspensions
What this could lead to
If effective, these amino acid mouth rinses could offer a simple, low-cost way to reduce pain and speed healing of radiation-induced mouth sores.
What could go wrong
This is a small Phase 2 trial with only 69 participants, so results may not apply to everyone. The supplements may not outperform the placebo, and any benefit might be modest.
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.