Scientists map where metallic taste hits the tongue
NCT ID NCT05227157
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested how healthy volunteers perceive metallic taste on different parts of the tongue. Researchers applied an iron sulfate solution to four tongue areas and asked participants to rate the intensity. The goal is to better understand metallic taste, which could help diagnose taste disorders in the future.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
iron sulfate solution
What this could lead to
If successful, this could improve how doctors assess and diagnose metallic taste disorders in patients.
What could go wrong
This is a small, early-stage observational study in healthy people, so findings may not apply to patients with taste problems.
Disclaimer
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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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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
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Locations
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Ch Valence
Valence, Drome, 26953, France