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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Ch Valence
Valence, Drome, 26953, France
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