GOUTMETALSAIN: Comparison of the Perception of Metallic Taste According to Lingual Locations in Healthy Volunteers

This is a mono center , observational study carried out within otorhinolaryngology department in CH Valence.

This is a descriptive and exploratory study in healthy volunteers. Based on the hypothesis that Metallic taste is imperfectly assessed, this study will provide a better understanding of the Metallic Taste.

Completed

Looking for future studies?

Notify Me

Key information

Conditions

Taste Disorders Cranial Nerve Diseases Glossopharyngeal Nerve Diseases Nervous System Diseases Neurologic Manifestations Pathological Conditions, Signs and Symptoms Sensation Disorders Signs and Symptoms Taste Disorder, Glossopharyngeal Nerve Taste, Metallic

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Ch Valence

Valence, Drome, 26953, France

About this study

The study consists of the application of a swab soaked in iron sulfate at a concentration of 10g/l.

each patient will rate the intensity he/she perceives (on a numerical scale from 1 to 5) at each of the 4 predefined lingual locations

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Age ≥ 18 years old
Healthy volunteers
Read, write and understand the French language
Patient affiliated to a social security system
Written and signed informed consent

Exclusion criteria

head and Neck cancer history
olfactory and gustatory disorder
Refusal to participate in research
Patient under guardianship, deprived of liberty, safeguard of justice

Treatment and study plan

swab with iron sulfate solution

Other

measurement of the intensity of perception of metallic taste by affixing a swab iron sulfate solution 10g/l at 4 places on the tongue depending on the glossopharyngeal nerve: tip of the tongue (right and left); base of the tongue (right and left). Visual analogic Scale (0 to 5)

Primary outcomes

evaluation of the intensity of metallic taste

Time frame: 5 minutes

visual analogue scale (0 to 5); A score of 5 means the highest intensity of metallic taste

Sponsors and collaborators

Lead sponsor

Centre Hospitalier de Valence

Other

Registry information

Official study title

Comparison of the Perception of Metallic Taste According to Lingual Locations in Healthy Volunteers

Important dates

Study start: 2021
Primary completion: 2022
Study completion: 2022
First posted: Feb 7, 2022
Registry last updated: Sep 8, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed